{"id":17487,"date":"2025-08-25T08:00:26","date_gmt":"2025-08-25T01:00:26","guid":{"rendered":"https:\/\/vbee.vn\/blog\/?post_type=cong-nghe-tts&#038;p=17487"},"modified":"2026-02-23T14:46:33","modified_gmt":"2026-02-23T07:46:33","slug":"phuong-phap-tong-hop","status":"publish","type":"post","link":"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/","title":{"rendered":"C\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i (Speech Synthesis) ph\u1ed5 bi\u1ebfn hi\u1ec7n nay"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\"><div class=\"ez-toc-title-container\"><p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung ch\u00ednh<\/p><span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div><nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#1_Tong_hop_giong_noi_Speech_Synthesis_la_gi\" >1. T\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i (Speech Synthesis) l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#2_Chi_tiet_3_phuong_phap_tieng_hop_giong_noi_pho_bien_hien_nay\" >2. Chi ti\u1ebft 3 ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfng h\u1ee3p gi\u1ecdng n\u00f3i ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#1_Phuong_phap_ghep_noi_Concatenative_Synthesis\" >1. Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u1ed1i (Concatenative Synthesis)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#11_Du_lieu_dau_vao\" >1.1 D\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#12_Mo_hinh\" >1.2 M\u00f4 h\u00ecnh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#2_Phuong_phap_tong_hop_dua_tren_tham_so_thong_ke_Parametric_Synthesis\" >2. Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p d\u1ef1a tr\u00ean tham s\u1ed1 th\u1ed1ng k\u00ea (Parametric Synthesis)<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#21_Du_lieu\" >2.1 D\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#22_Mo_hinh\" >2.2 M\u00f4 h\u00ecnh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#3_Phuong_phap_tong_hop_tieng_noi_hien_dai_End-To-End\" >3. Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i hi\u1ec7n \u0111\u1ea1i End-To-End<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#31_Du_lieu\" >3.1 D\u1eef li\u1ec7u\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#32_Mo_hinh\" >3.2 M\u00f4 h\u00ecnh<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#3_Cac_cau_hoi_thuong_gap_ve_Tong_hop_giong_noi_Speech_Synthesis\" >3. C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 T\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i (Speech Synthesis)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#31_Tong_hop_tieng_noi_Speech_Synthesis_va_Text-to-Speech_co_giong_nhau_khong\" >3.1 T\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i (Speech Synthesis) v\u00e0 Text-to-Speech c\u00f3 gi\u1ed1ng nhau kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#32_Tai_sao_can_nhieu_phuong_phap_tong_hop_tieng_noi_khac_nhau\" >3.2 T\u1ea1i sao c\u1ea7n nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i kh\u00e1c nhau?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#33_Phuong_phap_ghep_noi_Concatenative_Synthesis_hoat_dong_nhu_the_nao\" >3.3 Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u1ed1i (Concatenative Synthesis) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#34_Phuong_phap_tham_so_Parametric_khac_phuc_duoc_gi_so_voi_ghep_noi\" >3.4 Ph\u01b0\u01a1ng ph\u00e1p tham s\u1ed1 (Parametric) kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c g\u00ec so v\u1edbi gh\u00e9p n\u1ed1i?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#35_End-to-End_TTS_la_gi_Tai_sao_lai_duoc_ua_chuong_hien_nay\" >3.5 End-to-End TTS l\u00e0 g\u00ec? T\u1ea1i sao l\u1ea1i \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng hi\u1ec7n nay?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#36_Uu_diem_cua_mo_hinh_FastSpeech2_la_gi\" >3.6 \u01afu \u0111i\u1ec3m c\u1ee7a m\u00f4 h\u00ecnh FastSpeech2 l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#37_Mo_hinh_nao_cho_giong_noi_tu_nhien_nhat_hien_nay\" >3.7 M\u00f4 h\u00ecnh n\u00e0o cho gi\u1ecdng n\u00f3i t\u1ef1 nhi\u00ean nh\u1ea5t hi\u1ec7n nay?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/phuong-phap-tong-hop\/#38_Mo_hinh_tong_hop_tieng_noi_co_the_the_hien_cam_xuc_khong\" >3.8 M\u00f4 h\u00ecnh t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i c\u00f3 th\u1ec3 th\u1ec3 hi\u1ec7n c\u1ea3m x\u00fac kh\u00f4ng?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div><p><strong>Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i l\u00e0 m\u1ed9t trong nh\u1eefng n\u1ec1n t\u1ea3ng h\u00e0ng \u0111\u1ea7u ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 Text to Speeech. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft t\u1eebng ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i c\u0169ng nh\u01b0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c m\u00f4 h\u00ecnh s\u1eed d\u1ee5ng.<\/strong><\/p><p style=\"text-align: center;\"><p><iframe style=\"position: relative; top: 0px; border: none;\" title=\"H\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng\" src=\"https:\/\/vbee.vn\/demo\" width=\"100%\" height=\"320\"><\/iframe><\/p><h2><span class=\"ez-toc-section\" id=\"1_Tong_hop_giong_noi_Speech_Synthesis_la_gi\"><\/span>1. T\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i (Speech Synthesis) l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2><p><a rel=\"noopener\" target=\"_blank\" href=\"https:\/\/vbee.vn\">T\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i<\/a> l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i v\u0103n b\u1ea3n sang gi\u1ecdng n\u00f3i d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng c\u00f4ng ngh\u1ec7\u00a0 AI v\u00e0 \u00e1p d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n. K\u1ebft qu\u1ea3 c\u1ee7a vi\u1ec7c t\u1ed5ng h\u1ee3p n\u00e0y l\u00e0 t\u1ea1o ra \u00e2m thanh m\u00f4 ph\u1ecfng gi\u1ed1ng gi\u1ecdng n\u00f3i nh\u01b0 con ng\u01b0\u1eddi t\u1eeb ngu\u1ed3n d\u1eef li\u1ec7u v\u0103n b\u1ea3n. C\u00f4ng ngh\u1ec7 n\u00e0y \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng r\u1ed9ng r\u00e3i nh\u01b0 <a href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/top-phan-mem-tts\/\">ph\u1ea7n m\u1ec1m chuy\u1ec3n v\u0103n b\u1ea3n th\u00e0nh gi\u1ecdng n\u00f3i<\/a> tr\u1ef1c tuy\u1ebfn, <a href=\"https:\/\/vbee.vn\/blog\/chia-se\/tro-ly-ao-la-gi\/\">tr\u1ee3 l\u00fd \u1ea3o<\/a>, t\u1ed5ng \u0111\u00e0i nh\u00e2n t\u1ea1o,&#8230;<\/p><h2><span class=\"ez-toc-section\" id=\"2_Chi_tiet_3_phuong_phap_tieng_hop_giong_noi_pho_bien_hien_nay\"><\/span>2. Chi ti\u1ebft 3 ph\u01b0\u01a1ng ph\u00e1p ti\u1ebfng h\u1ee3p gi\u1ecdng n\u00f3i ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<span class=\"ez-toc-section-end\"><\/span><\/h2><p>Hi\u1ec7n nay c\u00f3 3 ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn tr\u00ean th\u1ebf gi\u1edbi: t\u1ed5ng h\u1ee3p theo t\u1eebng \u0111o\u1ea1n (Concatenative Synthesis), t\u1ed5ng h\u1ee3p tham s\u1ed1 (Parametric Synthesis) v\u00e0 t\u1ed5ng h\u1ee3p d\u1ef1a tr\u00ean m\u00f4 h\u00ecnh End-To-End.<\/p><h3><span class=\"ez-toc-section\" id=\"1_Phuong_phap_ghep_noi_Concatenative_Synthesis\"><\/span>1. Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u1ed1i (Concatenative Synthesis)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u1ed1i l\u00e0 m\u1ed9t trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i \u0111\u1ea7u ti\u00ean v\u00e0 v\u1eabn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c c\u00f4ng ngh\u1ec7 <a rel=\"noopener\" target=\"_blank\" href=\"https:\/\/vbee.vn\">TTS<\/a> nh\u1edd v\u00e0o kh\u1ea3 n\u0103ng t\u1ea1o ra gi\u1ecdng n\u00f3i c\u00f3 ch\u1ea5t l\u01b0\u1ee3ng cao. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch gh\u00e9p n\u1ed1i c\u00e1c \u0111o\u1ea1n \u00e2m thanh \u0111\u01b0\u1ee3c ghi \u00e2m tr\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o th\u00e0nh l\u1eddi n\u00f3i ho\u00e0n ch\u1ec9nh.<\/p><figure id=\"attachment_17491\" aria-describedby=\"caption-attachment-17491\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-17491 size-full\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/phuong-phap-ghep-noi.webp\" alt=\"Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u1ed1i l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p TTS \u0111\u1ea7u ti\u00ean\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/phuong-phap-ghep-noi.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/phuong-phap-ghep-noi-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17491\" class=\"wp-caption-text\">Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u1ed1i l\u00e0 m\u1ed9t trong nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p TTS \u0111\u1ea7u ti\u00ean<\/figcaption><\/figure><h4><span class=\"ez-toc-section\" id=\"11_Du_lieu_dau_vao\"><\/span>1.1 D\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o<span class=\"ez-toc-section-end\"><\/span><\/h4><p>Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u1ed1i (Concatenative Synthesis) y\u00eau c\u1ea7u hai lo\u1ea1i d\u1eef li\u1ec7u ch\u00ednh: d\u1eef li\u1ec7u \u00e2m thanh v\u00e0 d\u1eef li\u1ec7u v\u0103n b\u1ea3n.<\/p><p><strong>1.1.1 D\u1eef li\u1ec7u \u00e2m thanh<\/strong><\/p><ul><li>\u0110o\u1ea1n \u00e2m thanh ghi \u00e2m tr\u01b0\u1edbc: C\u1ea7n c\u00f3 c\u00e1c \u0111o\u1ea1n \u00e2m thanh nh\u1ecf nh\u01b0 \u00e2m v\u1ecb, \u00e2m ti\u1ebft, t\u1eeb, ho\u1eb7c c\u1ee5m t\u1eeb \u0111\u01b0\u1ee3c ghi \u00e2m t\u1eeb gi\u1ecdng n\u00f3i t\u1ef1 nhi\u00ean. Nh\u1eefng \u0111o\u1ea1n \u00e2m thanh n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c ghi \u00e2m v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 r\u00f5 r\u00e0ng v\u00e0 t\u1ef1 nhi\u00ean.<\/li><li>Th\u00f4ng tin chi ti\u1ebft v\u1ec1 \u00e2m thanh: M\u1ed7i \u0111o\u1ea1n \u00e2m thanh ph\u1ea3i \u0111i k\u00e8m v\u1edbi c\u00e1c th\u00f4ng tin chi ti\u1ebft nh\u01b0 \u0111\u1eb7c \u0111i\u1ec3m \u00e2m h\u1ecdc (\u00e2m s\u1eafc, t\u1ea7n s\u1ed1), ng\u1eef \u0111i\u1ec7u v\u00e0 ng\u1eef c\u1ea3nh s\u1eed d\u1ee5ng. \u0110i\u1ec1u n\u00e0y gi\u00fap h\u1ec7 th\u1ed1ng l\u1ef1a ch\u1ecdn v\u00e0 gh\u00e9p n\u1ed1i c\u00e1c \u0111o\u1ea1n \u00e2m thanh sao cho m\u01b0\u1ee3t m\u00e0 v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi ng\u1eef c\u1ea3nh.<\/li><\/ul><p><strong>1.1.2 D\u1eef li\u1ec7u v\u0103n b\u1ea3n<\/strong><\/p><ul><li>V\u0103n b\u1ea3n \u0111\u1ea7u v\u00e0o: C\u1ea7n c\u00f3 v\u0103n b\u1ea3n m\u00e0 h\u1ec7 th\u1ed1ng s\u1ebd chuy\u1ec3n \u0111\u1ed5i th\u00e0nh gi\u1ecdng n\u00f3i. V\u0103n b\u1ea3n n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u01a1n v\u1ecb \u00e2m thanh t\u01b0\u01a1ng \u1ee9ng v\u00e0 ng\u1eef \u0111i\u1ec7u c\u1ea7n thi\u1ebft.<\/li><li>Th\u00f4ng tin ng\u1eef \u0111i\u1ec7u v\u00e0 ng\u1eef c\u1ea3nh: C\u1ea7n c\u00f3 th\u00f4ng tin v\u1ec1 ng\u1eef \u0111i\u1ec7u v\u00e0 ng\u1eef c\u1ea3nh c\u1ee7a v\u0103n b\u1ea3n \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o gi\u1ecdng n\u00f3i t\u1ed5ng h\u1ee3p kh\u00f4ng ch\u1ec9 \u0111\u00fang v\u1ec1 m\u1eb7t ng\u1eef \u00e2m m\u00e0 c\u00f2n t\u1ef1 nhi\u00ean v\u1ec1 m\u1eb7t bi\u1ec3u c\u1ea3m v\u00e0 ng\u1eef ngh\u0129a.<\/li><\/ul><figure id=\"attachment_17492\" aria-describedby=\"caption-attachment-17492\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17492\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/du-lieu-van-ban.webp\" alt=\"V\u0103n b\u1ea3n \u0111\u1ea7u v\u00e0o c\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch chi ti\u1ebft v\u00e0 ch\u00fa th\u00edch ng\u1eef c\u1ea3nh\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/du-lieu-van-ban.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/du-lieu-van-ban-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17492\" class=\"wp-caption-text\">V\u0103n b\u1ea3n \u0111\u1ea7u v\u00e0o c\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch chi ti\u1ebft v\u00e0 ch\u00fa th\u00edch ng\u1eef c\u1ea3nh<\/figcaption><\/figure><h4><span class=\"ez-toc-section\" id=\"12_Mo_hinh\"><\/span>1.2 M\u00f4 h\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h4><p>Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u1ed1i s\u1eed d\u1ee5ng m\u1ed9t s\u1ed1 m\u00f4 h\u00ecnh quan tr\u1ecdng \u0111\u1ec3 th\u1ef1c hi\u1ec7n qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c m\u00f4 h\u00ecnh ch\u00ednh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng:<\/p><p><strong>1.2.1 M\u00f4 h\u00ecnh Grapheme-to-Phoneme (G2P)<\/strong><\/p><p>\u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i v\u0103n b\u1ea3n th\u00e0nh c\u00e1c k\u00fd hi\u1ec7u \u00e2m v\u1ecb, t\u1ee9c l\u00e0 c\u00e1c \u0111\u01a1n v\u1ecb \u00e2m thanh c\u01a1 b\u1ea3n c\u1ee7a ng\u00f4n ng\u1eef. M\u00f4 h\u00ecnh n\u00e0y h\u1ecdc c\u00e1ch ph\u00e1t \u00e2m c\u00e1c t\u1eeb d\u1ef1a tr\u00ean d\u1eef li\u1ec7u ng\u1eef \u00e2m (c\u00e1c k\u00fd hi\u1ec7u \u00e2m v\u1ecb) v\u00e0 v\u0103n b\u1ea3n \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u00fa th\u00edch, gi\u00fap h\u1ec7 th\u1ed1ng TTS bi\u1ebft c\u00e1ch ph\u00e1t \u00e2m ch\u00ednh x\u00e1c t\u1eebng t\u1eeb trong v\u0103n b\u1ea3n \u0111\u1ea7u v\u00e0o.<\/p><figure id=\"attachment_17493\" aria-describedby=\"caption-attachment-17493\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17493\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/mo-hinh-Grapheme-to-Phoneme.webp\" alt=\"M\u00f4 h\u00ecnh Grapheme-to-Phoneme (G2P)\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/mo-hinh-Grapheme-to-Phoneme.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/mo-hinh-Grapheme-to-Phoneme-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17493\" class=\"wp-caption-text\">M\u00f4 h\u00ecnh Grapheme-to-Phoneme (G2P)<\/figcaption><\/figure><p><strong>1.2.2 Unit Selection Model<\/strong><\/p><p>M\u00f4 h\u00ecnh ch\u1ecdn c\u00e1c \u0111\u01a1n v\u1ecb \u00e2m thanh t\u1eeb m\u1ed9t kho <a href=\"https:\/\/vbee.vn\/blog\/ai\/cong-nghe-nen-tang-cua-ai\/\">d\u1eef li\u1ec7u l\u1edbn<\/a>, sao cho kh\u1edbp v\u1edbi chu\u1ed7i phi\u00ean \u00e2m (c\u00e1c k\u00fd hi\u1ec7u \u00e2m v\u1ecb) \u0111\u1ea7u v\u00e0o. \u0110\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o r\u1eb1ng s\u1ef1 li\u00ean k\u1ebft gi\u1eefa c\u00e1c \u0111\u01a1n v\u1ecb \u00e2m thanh m\u01b0\u1ee3t m\u00e0 v\u00e0 t\u1ef1 nhi\u00ean, gi\u1ea3m thi\u1ec3u s\u1ef1 ng\u1eaft qu\u00e3ng v\u00e0 kh\u00e1c bi\u1ec7t v\u1ec1 \u00e2m s\u1eafc khi c\u00e1c \u0111o\u1ea1n \u00e2m thanh \u0111\u01b0\u1ee3c gh\u00e9p n\u1ed1i v\u1edbi nhau.<\/p><p><strong>1.2.3 Prosody Matching Model<\/strong><\/p><p>M\u00f4 h\u00ecnh n\u00e0y \u0111i\u1ec1u ch\u1ec9nh ng\u1eef \u0111i\u1ec7u v\u00e0 \u00e2m s\u1eafc c\u1ee7a gi\u1ecdng n\u00f3i d\u1ef1a tr\u00ean ng\u1eef c\u1ea3nh c\u1ee7a c\u00e2u v\u0103n b\u1ea3n. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o gi\u1ecdng n\u00f3i t\u1ed5ng h\u1ee3p kh\u00f4ng ch\u1ec9 \u0111\u00fang v\u1ec1 m\u1eb7t ng\u1eef \u00e2m m\u00e0 c\u00f2n t\u1ef1 nhi\u00ean v\u00e0 d\u1ec5 nghe v\u1ec1 m\u1eb7t bi\u1ec3u c\u1ea3m v\u00e0 ng\u1eef ngh\u0129a. Ng\u1eef \u0111i\u1ec7u v\u00e0 \u00e2m s\u1eafc \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi \u00fd ngh\u0129a v\u00e0 c\u1ea3m x\u00fac c\u1ee7a c\u00e2u, gi\u00fap gi\u1ecdng n\u00f3i t\u1ed5ng h\u1ee3p tr\u1edf n\u00ean sinh \u0111\u1ed9ng v\u00e0 g\u1ea7n g\u0169i h\u01a1n v\u1edbi ng\u01b0\u1eddi nghe.<\/p><h3><span class=\"ez-toc-section\" id=\"2_Phuong_phap_tong_hop_dua_tren_tham_so_thong_ke_Parametric_Synthesis\"><\/span>2. Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p d\u1ef1a tr\u00ean tham s\u1ed1 th\u1ed1ng k\u00ea (Parametric Synthesis)<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i d\u1ef1a tr\u00ean tham s\u1ed1 th\u1ed1ng k\u00ea (Parametric Synthesis) t\u1ea1o ra gi\u1ecdng n\u00f3i b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c tham s\u1ed1 th\u1ed1ng k\u00ea \u0111\u1ec3 m\u00f4 ph\u1ecfng c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u00e2m h\u1ecdc c\u1ee7a gi\u1ecdng n\u00f3i. Thay v\u00ec gh\u00e9p n\u1ed1i c\u00e1c \u0111o\u1ea1n \u00e2m thanh \u0111\u00e3 ghi \u00e2m tr\u01b0\u1edbc nh\u01b0 ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u1ed1i, ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i t\u1eeb c\u00e1c m\u00f4 h\u00ecnh to\u00e1n h\u1ecdc d\u1ef1a tr\u00ean d\u1eef li\u1ec7u ng\u1eef \u00e2m v\u00e0 ng\u1eef \u0111i\u1ec7u \u0111\u00e3 \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch tr\u01b0\u1edbc \u0111\u00f3.<\/p><figure id=\"attachment_17494\" aria-describedby=\"caption-attachment-17494\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17494\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/phuong-phap-tong-hop-dua-tren-tham-so-thong-ke.webp\" alt=\"Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p d\u1ef1a tr\u00ean tham s\u1ed1 th\u1ed1ng k\u00ea (Parametric Synthesis)\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/phuong-phap-tong-hop-dua-tren-tham-so-thong-ke.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/phuong-phap-tong-hop-dua-tren-tham-so-thong-ke-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17494\" class=\"wp-caption-text\">Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p d\u1ef1a tr\u00ean tham s\u1ed1 th\u1ed1ng k\u00ea (Parametric Synthesis)<\/figcaption><\/figure><h4><span class=\"ez-toc-section\" id=\"21_Du_lieu\"><\/span>2.1 D\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h4><p>Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p d\u1ef1a tr\u00ean tham s\u1ed1 th\u1ed1ng k\u00ea c\u1ea7n c\u00f3 d\u1eef li\u1ec7u \u00e2m thanh ch\u00ednh x\u00e1c v\u00e0 d\u1eef li\u1ec7u v\u0103n b\u1ea3n \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch chi ti\u1ebft \u0111\u1ec3 h\u1ed7 tr\u1ee3 qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i t\u1ef1 nhi\u00ean.<\/p><p><strong>2.1.1 D\u1eef li\u1ec7u v\u0103n b\u1ea3n<\/strong><\/p><ul><li>V\u0103n b\u1ea3n \u0111\u1ea7u v\u00e0o: V\u0103n b\u1ea3n m\u00e0 h\u1ec7 th\u1ed1ng s\u1ebd chuy\u1ec3n \u0111\u1ed5i th\u00e0nh gi\u1ecdng n\u00f3i. C\u1ea7n c\u00f3 d\u1eef li\u1ec7u v\u0103n b\u1ea3n phong ph\u00fa \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u0111a d\u1ea1ng v\u00e0 ch\u00ednh x\u00e1c trong t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i.<\/li><li>Th\u00f4ng tin ng\u1eef \u0111i\u1ec7u v\u00e0 ng\u1eef c\u1ea3nh: V\u0103n b\u1ea3n \u0111\u1ea7u v\u00e0o c\u1ea7n \u0111i k\u00e8m v\u1edbi th\u00f4ng tin v\u1ec1 ng\u1eef \u0111i\u1ec7u v\u00e0 ng\u1eef c\u1ea3nh \u0111\u1ec3 m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh gi\u1ecdng n\u00f3i cho ph\u00f9 h\u1ee3p, \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u1ef1 nhi\u00ean v\u00e0 m\u01b0\u1ee3t m\u00e0 trong gi\u1ecdng n\u00f3i t\u1ed5ng h\u1ee3p.<\/li><\/ul><p><strong>2.1.2 D\u1eef li\u1ec7u \u00e2m thanh<\/strong><\/p><ul><li>\u0110o\u1ea1n \u00e2m thanh ghi \u00e2m tr\u01b0\u1edbc: C\u1ea7n c\u00f3 c\u00e1c \u0111o\u1ea1n \u00e2m thanh t\u1ef1 nhi\u00ean t\u1eeb gi\u1ecdng n\u00f3i c\u1ee7a con ng\u01b0\u1eddi, ghi \u00e2m v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng cao \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c v\u00e0 t\u1ef1 nhi\u00ean c\u1ee7a gi\u1ecdng n\u00f3i t\u1ed5ng h\u1ee3p.<\/li><li>Ch\u00fa th\u00edch chi ti\u1ebft: C\u00e1c \u0111o\u1ea1n \u00e2m thanh ph\u1ea3i \u0111\u01b0\u1ee3c ch\u00fa th\u00edch chi ti\u1ebft v\u1edbi c\u00e1c k\u00fd hi\u1ec7u \u00e2m v\u1ecb (phonemes) v\u00e0 th\u00f4ng tin ng\u1eef \u0111i\u1ec7u (prosody) nh\u01b0 t\u1ea7n s\u1ed1 c\u01a1 b\u1ea3n, bi\u00ean \u0111\u1ed9 v\u00e0 ph\u1ed5. C\u00e1c ch\u00fa th\u00edch n\u00e0y gi\u00fap m\u00f4 h\u00ecnh h\u1ecdc \u0111\u01b0\u1ee3c c\u00e1ch ph\u00e1t \u00e2m v\u00e0 ng\u1eef \u0111i\u1ec7u t\u1ef1 nhi\u00ean c\u1ee7a t\u1eebng \u00e2m v\u1ecb trong c\u00e1c ng\u1eef c\u1ea3nh kh\u00e1c nhau.<\/li><\/ul><figure id=\"attachment_17495\" aria-describedby=\"caption-attachment-17495\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17495\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/du-lieu-am-thanh.webp\" alt=\"Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p d\u1ef1a tr\u00ean tham s\u1ed1 th\u1ed1ng k\u00ea c\u1ea7n c\u00f3 d\u1eef li\u1ec7u \u00e2m thanh ch\u00ednh x\u00e1c\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/du-lieu-am-thanh.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/du-lieu-am-thanh-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17495\" class=\"wp-caption-text\">Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p d\u1ef1a tr\u00ean tham s\u1ed1 th\u1ed1ng k\u00ea c\u1ea7n c\u00f3 d\u1eef li\u1ec7u \u00e2m thanh ch\u00ednh x\u00e1c<\/figcaption><\/figure><h4><span class=\"ez-toc-section\" id=\"22_Mo_hinh\"><\/span>2.2 M\u00f4 h\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h4><p>Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p d\u1ef1a tr\u00ean tham s\u1ed1 th\u1ed1ng k\u00ea (Parametric Synthesis) s\u1eed d\u1ee5ng hai m\u00f4 h\u00ecnh ch\u00ednh \u0111\u1ec3 t\u1ea1o ra gi\u1ecdng n\u00f3i t\u1eeb d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n: M\u1ea1ng <a href=\"https:\/\/vbee.vn\/blog\/ai\/deep-learning\/\">h\u1ecdc s\u00e2u<\/a> (Deep Neural Networks &#8211; DNN) v\u00e0 M\u00f4 h\u00ecnh Hidden Markov Models (HMM).<\/p><p><strong>2.2.1 M\u1ea1ng h\u1ecdc s\u00e2u (Deep Neural Networks &#8211; DNN)<\/strong><\/p><p>M\u1ea1ng h\u1ecdc s\u00e2u (Deep Neural Networks &#8211; DNN) h\u1ecdc c\u00e1c \u0111\u1eb7c tr\u01b0ng \u00e2m h\u1ecdc t\u1eeb d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n \u0111\u1ec3 t\u1ea1o ra gi\u1ecdng n\u00f3i t\u1ef1 nhi\u00ean v\u00e0 m\u1ea1ch l\u1ea1c. DNN \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n tr\u00ean d\u1eef li\u1ec7u \u00e2m thanh ghi \u00e2m tr\u01b0\u1edbc, h\u1ecdc c\u00e1ch c\u00e1c \u0111\u1eb7c tr\u01b0ng \u00e2m h\u1ecdc nh\u01b0 t\u1ea7n s\u1ed1, bi\u00ean \u0111\u1ed9, ng\u1eef \u0111i\u1ec7u, \u00e2m s\u1eafc v\u00e0 tr\u1ecdng \u00e2m bi\u1ebfn \u0111\u1ed5i theo th\u1eddi gian.\u00a0<\/p><p>Khi nh\u1eadn v\u0103n b\u1ea3n \u0111\u1ea7u v\u00e0o, DNN s\u1eed d\u1ee5ng d\u1eef li\u1ec7u n\u00e0y \u0111\u1ec3 d\u1ef1 \u0111o\u00e1n c\u00e1c tham s\u1ed1 \u00e2m h\u1ecdc c\u1ea7n thi\u1ebft cho qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i. Nh\u1edd kh\u1ea3 n\u0103ng n\u1eafm b\u1eaft c\u00e1c m\u1ed1i quan h\u1ec7 ph\u1ee9c t\u1ea1p gi\u1eefa c\u00e1c y\u1ebfu t\u1ed1 \u00e2m h\u1ecdc, DNN gi\u00fap t\u1ea1o ra gi\u1ecdng n\u00f3i t\u1ef1 nhi\u00ean v\u00e0 bi\u1ec3u c\u1ea3m h\u01a1n. \u0110\u1ed3ng th\u1eddi, DNN c\u0169ng h\u1ecdc c\u00e1ch \u0111i\u1ec1u ch\u1ec9nh ng\u1eef \u0111i\u1ec7u v\u00e0 tr\u1ecdng \u00e2m d\u1ef1a tr\u00ean ng\u1eef c\u1ea3nh c\u1ee7a c\u00e2u v\u0103n b\u1ea3n, gi\u00fap gi\u1ecdng n\u00f3i t\u1ed5ng h\u1ee3p tr\u1edf n\u00ean m\u01b0\u1ee3t m\u00e0 v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi ng\u1eef c\u1ea3nh s\u1eed d\u1ee5ng.<\/p><figure id=\"attachment_17496\" aria-describedby=\"caption-attachment-17496\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17496\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/mang-hoc-sau-deep-neural-networks.webp\" alt=\"M\u1ea1ng h\u1ecdc s\u00e2u (Deep Neural Networks - DNN)\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/mang-hoc-sau-deep-neural-networks.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/mang-hoc-sau-deep-neural-networks-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17496\" class=\"wp-caption-text\">M\u1ea1ng h\u1ecdc s\u00e2u (Deep Neural Networks &#8211; DNN)<\/figcaption><\/figure><p><strong>2.2.2 M\u00f4 h\u00ecnh Hidden Markov Models (HMM)<\/strong><\/p><p>M\u00f4 h\u00ecnh Hidden Markov Models (HMM) m\u00f4 ph\u1ecfng chu\u1ed7i \u00e2m thanh v\u00e0 h\u1ecdc c\u00e1c tham s\u1ed1 \u00e2m h\u1ecdc \u0111\u1ec3 t\u1ea1o ra gi\u1ecdng n\u00f3i t\u1ef1 nhi\u00ean v\u00e0 li\u00ean t\u1ee5c. HMM chia gi\u1ecdng n\u00f3i th\u00e0nh c\u00e1c tr\u1ea1ng th\u00e1i \u00e2m h\u1ecdc kh\u00e1c nhau, m\u1ed7i tr\u1ea1ng th\u00e1i \u0111\u1ea1i di\u1ec7n cho m\u1ed9t ph\u1ea7n nh\u1ecf c\u1ee7a \u00e2m thanh.\u00a0<\/p><p>M\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c hu\u1ea5n luy\u1ec7n tr\u00ean d\u1eef li\u1ec7u \u00e2m thanh ghi \u00e2m tr\u01b0\u1edbc \u0111\u1ec3 h\u1ecdc c\u00e1c tham s\u1ed1 \u00e2m h\u1ecdc \u0111\u1eb7c tr\u01b0ng cho t\u1eebng tr\u1ea1ng th\u00e1i, bao g\u1ed3m c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m nh\u01b0 ph\u1ed5 t\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9. Khi t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i, HMM s\u1eed d\u1ee5ng c\u00e1c tham s\u1ed1 \u00e2m h\u1ecdc n\u00e0y \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i li\u00ean t\u1ee5c gi\u1eefa c\u00e1c tr\u1ea1ng th\u00e1i, t\u1ea1o ra chu\u1ed7i \u00e2m thanh li\u00ean t\u1ee5c v\u00e0 t\u1ef1 nhi\u00ean. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ecdng n\u00f3i t\u1ed5ng h\u1ee3p kh\u00f4ng b\u1ecb ng\u1eaft qu\u00e3ng, gi\u1eef \u0111\u01b0\u1ee3c t\u00ednh m\u1ea1ch l\u1ea1c v\u00e0 t\u1ef1 nhi\u00ean, g\u00f3p ph\u1ea7n n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a gi\u1ecdng n\u00f3i t\u1ed5ng h\u1ee3p.<\/p><figure id=\"attachment_17497\" aria-describedby=\"caption-attachment-17497\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17497\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/mo-hinh-Hidden-Markov-Models.webp\" alt=\"M\u00f4 h\u00ecnh Hidden Markov Models (HMM)\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/mo-hinh-Hidden-Markov-Models.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/mo-hinh-Hidden-Markov-Models-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17497\" class=\"wp-caption-text\">M\u00f4 h\u00ecnh Hidden Markov Models (HMM)<\/figcaption><\/figure><h3><span class=\"ez-toc-section\" id=\"3_Phuong_phap_tong_hop_tieng_noi_hien_dai_End-To-End\"><\/span>3. Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i hi\u1ec7n \u0111\u1ea1i End-To-End<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i hi\u1ec7n \u0111\u1ea1i End-To-End l\u00e0 m\u1ed9t b\u01b0\u1edbc ti\u1ebfn l\u1edbn trong l\u0129nh v\u1ef1c t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i, s\u1eed d\u1ee5ng c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc s\u00e2u \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i tr\u1ef1c ti\u1ebfp t\u1eeb v\u0103n b\u1ea3n th\u00e0nh gi\u1ecdng n\u00f3i m\u00e0 kh\u00f4ng c\u1ea7n qua c\u00e1c b\u01b0\u1edbc trung gian nh\u01b0 trong c\u00e1c ph\u01b0\u01a1ng ph\u00e1p truy\u1ec1n th\u1ed1ng. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch v\u1ec1 hi\u1ec7u su\u1ea5t, t\u00ednh ch\u00ednh x\u00e1c v\u00e0 t\u1ef1 nhi\u00ean c\u1ee7a gi\u1ecdng n\u00f3i t\u1ed5ng h\u1ee3p.<\/p><h4><span class=\"ez-toc-section\" id=\"31_Du_lieu\"><\/span>3.1 D\u1eef li\u1ec7u\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h4><p>Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i hi\u1ec7n \u0111\u1ea1i End-To-End v\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p d\u1ef1a tr\u00ean tham s\u1ed1 th\u1ed1ng k\u00ea (Parametric Synthesis) \u0111\u1ec1u s\u1eed d\u1ee5ng v\u0103n b\u1ea3n v\u00e0 \u00e2m thanh l\u00e0m d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o, nh\u01b0ng c\u00f3 s\u1ef1 kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 v\u1ec1 c\u00e1ch th\u1ee9c x\u1eed l\u00fd v\u00e0 y\u00eau c\u1ea7u d\u1eef li\u1ec7u.<\/p><p>Ph\u01b0\u01a1ng ph\u00e1p End-To-End \u0111\u01a1n gi\u1ea3n h\u01a1n \u1edf c\u1ea5p \u0111\u1ed9 \u0111\u1ea7u v\u00e0o nh\u01b0ng y\u00eau c\u1ea7u l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn h\u01a1n \u0111\u1ec3 hu\u1ea5n luy\u1ec7n m\u00f4 h\u00ecnh. \u0110i\u1ec1u n\u00e0y \u0111\u00f2i h\u1ecfi ph\u1ea3i thu th\u1eadp v\u00e0 chu\u1ea9n b\u1ecb c\u00e1c c\u1eb7p v\u0103n b\u1ea3n v\u00e0 \u00e2m thanh t\u01b0\u01a1ng \u1ee9ng v\u1edbi \u0111\u1ed9 \u0111a d\u1ea1ng v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng cao. N\u1ebfu d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n phong ph\u00fa v\u00e0 \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb c\u1ea9n th\u1eadn, m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 h\u1ecdc c\u00e1c \u0111\u1eb7c \u0111i\u1ec3m \u00e2m thanh t\u1ef1 nhi\u00ean v\u00e0 t\u1ea1o ra gi\u1ecdng n\u00f3i ch\u00e2n th\u1ef1c. V\u00ec v\u1eady, vi\u1ec7c \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n kh\u00f4ng c\u00f3 l\u1ed7i v\u00e0 bao g\u1ed3m nhi\u1ec1u t\u00ecnh hu\u1ed1ng kh\u00e1c nhau s\u1ebd gi\u00fap m\u00f4 h\u00ecnh c\u00f3 kh\u1ea3 n\u0103ng t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao v\u00e0 t\u00ednh linh ho\u1ea1t, \u0111\u00e1p \u1ee9ng t\u1ed1t c\u00e1c y\u00eau c\u1ea7u s\u1eed d\u1ee5ng.<\/p><figure id=\"attachment_17498\" aria-describedby=\"caption-attachment-17498\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17498\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/du-lieu.webp\" alt=\"Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i hi\u1ec7n \u0111\u1ea1i End-To-End \u0111\u00f2i h\u1ecfi d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng cao\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/du-lieu.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/du-lieu-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17498\" class=\"wp-caption-text\">Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i hi\u1ec7n \u0111\u1ea1i End-To-End \u0111\u00f2i h\u1ecfi d\u1eef li\u1ec7u \u0111\u1ea7u v\u00e0o ch\u1ea5t l\u01b0\u1ee3ng cao<\/figcaption><\/figure><h4><span class=\"ez-toc-section\" id=\"32_Mo_hinh\"><\/span>3.2 M\u00f4 h\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h4><p>C\u00e1c m\u00f4 h\u00ecnh c\u1ee7a ph\u01b0\u01a1ng ph\u00e1p End-to-End trong t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i \u0111\u00e3 mang l\u1ea1i nh\u1eefng c\u1ea3i ti\u1ebfn v\u01b0\u1ee3t b\u1eadc trong ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 t\u1ef1 nhi\u00ean c\u1ee7a gi\u1ecdng n\u00f3i t\u1ed5ng h\u1ee3p. C\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0 c\u00e1c m\u00f4 h\u00ecnh \u00e2m h\u1ecdc bao g\u1ed3m FastSpeech, FastSpeech2, FastPitch, Tacotron, Flowtron, LightSpeech, AdaSpeech, VITS,&#8230; Hay c\u00e1c m\u00f4 h\u00ecnh Vocoder bao g\u1ed3m HifiGAN, WaveGlow, WaveNet, WaveRNN,&#8230; D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 m\u00f4 h\u00ecnh ti\u00eau bi\u1ec3u v\u00e0 c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng:<\/p><p><strong>3.2.1 FastSpeech2<\/strong><\/p><ul><li>Chuy\u1ec3n \u0111\u1ed5i \u0111\u1eb7c tr\u01b0ng \u00e2m thanh: FastSpeech2 l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i d\u1ef1a tr\u00ean m\u1ea1ng h\u1ecdc s\u00e2u, c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i c\u00e1c \u0111\u1eb7c tr\u01b0ng \u00e2m thanh \u0111\u00e3 \u0111\u01b0\u1ee3c gi\u1ea3i m\u00e3 t\u1eeb v\u0103n b\u1ea3n th\u00e0nh c\u00e1c \u0111\u1eb7c tr\u01b0ng ph\u1ed5 t\u1ea7n s\u1ed1 (spectrogram) m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3.<\/li><li>T\u1ed1c \u0111\u1ed9 v\u00e0 hi\u1ec7u qu\u1ea3: FastSpeech2 c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3 t\u1ed1c \u0111\u1ed9 t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i so v\u1edbi c\u00e1c m\u00f4 h\u00ecnh tr\u01b0\u1edbc \u0111\u00e2y, \u0111\u1ed3ng th\u1eddi duy tr\u00ec ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh cao. \u0110i\u1ec1u n\u00e0y gi\u00fap qu\u00e1 tr\u00ecnh t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i tr\u1edf n\u00ean nhanh ch\u00f3ng v\u00e0 kh\u1ea3 thi cho c\u00e1c \u1ee9ng d\u1ee5ng th\u1eddi gian th\u1ef1c.<\/li><\/ul><figure id=\"attachment_17499\" aria-describedby=\"caption-attachment-17499\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17499\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/FastSpeech2.webp\" alt=\"M\u00f4 h\u00ecnh \u00e2m h\u1ecdc FastSpeech2\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/FastSpeech2.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/FastSpeech2-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17499\" class=\"wp-caption-text\">M\u00f4 h\u00ecnh \u00e2m h\u1ecdc FastSpeech2<\/figcaption><\/figure><p><strong>3.2.2 HiFi-GAN<\/strong><\/p><ul><li>T\u1ea1o ra \u00e2m thanh ch\u1ea5t l\u01b0\u1ee3ng cao: HiFi-GAN l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh m\u1ea1ng \u0111\u1ed1i kh\u00e1ng sinh (GAN) \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u1ea1o ra s\u00f3ng \u00e2m thanh t\u1eeb c\u00e1c \u0111\u1eb7c tr\u01b0ng ph\u1ed5 t\u1ea7n s\u1ed1 v\u1edbi ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 \u0111\u1ed9 t\u1ef1 nhi\u00ean v\u01b0\u1ee3t tr\u1ed9i.<\/li><li>\u0110\u1ed9 t\u1ef1 nhi\u00ean c\u1ee7a gi\u1ecdng n\u00f3i: HiFi-GAN t\u1eadp trung v\u00e0o vi\u1ec7c t\u00e1i t\u1ea1o chi ti\u1ebft v\u00e0 \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a s\u00f3ng \u00e2m thanh, gi\u00fap gi\u1ecdng n\u00f3i t\u1ed5ng h\u1ee3p tr\u1edf n\u00ean m\u01b0\u1ee3t m\u00e0 v\u00e0 t\u1ef1 nhi\u00ean h\u01a1n, g\u1ea7n gi\u1ed1ng v\u1edbi gi\u1ecdng n\u00f3i th\u1ef1c t\u1ebf c\u1ee7a con ng\u01b0\u1eddi.<\/li><\/ul><figure id=\"attachment_17500\" aria-describedby=\"caption-attachment-17500\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17500\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/HiFi-GAN.webp\" alt=\"M\u00f4 h\u00ecnh HiFi-GAN\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/HiFi-GAN.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/HiFi-GAN-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17500\" class=\"wp-caption-text\">M\u00f4 h\u00ecnh HiFi-GAN<\/figcaption><\/figure><p><strong>3.2.3 Tacotron<\/strong><\/p><p>Tacotron l\u00e0 m\u00f4 h\u00ecnh \u0111\u1ea7u ti\u00ean gi\u1edbi thi\u1ec7u c\u00e1ch ti\u1ebfp c\u1eadn End-to-End cho t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i. Tacotron s\u1eed d\u1ee5ng m\u1ed9t m\u1ea1ng n\u01a1-ron h\u1ed3i ti\u1ebfp (RNN) v\u1edbi c\u01a1 ch\u1ebf attention \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i v\u0103n b\u1ea3n th\u00e0nh c\u00e1c \u0111\u1eb7c tr\u01b0ng Mel-spectrogram. Sau \u0111\u00f3, m\u1ed9t <a href=\"https:\/\/vbee.vn\/blog\/chia-se\/cnn-la-gi\/\">m\u1ea1ng n\u01a1-ron t\u00edch ch\u1eadp<\/a> (CNN) chuy\u1ec3n \u0111\u1ed5i Mel-spectrogram th\u00e0nh d\u1ea1ng s\u00f3ng \u00e2m thanh.<\/p><figure id=\"attachment_17501\" aria-describedby=\"caption-attachment-17501\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17501\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/Tacotron.webp\" alt=\"M\u00f4 h\u00ecnh Tacotron\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/Tacotron.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/Tacotron-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17501\" class=\"wp-caption-text\">M\u00f4 h\u00ecnh Tacotron<\/figcaption><\/figure><p><strong>3.2.4 WaveNet<\/strong><\/p><p>WaveNet l\u00e0 m\u00f4 h\u00ecnh sinh d\u1ea1ng s\u00f3ng \u00e2m thanh d\u1ef1a tr\u00ean m\u1ea1ng n\u01a1-ron t\u00edch ch\u1eadp (CNN), \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n b\u1edfi DeepMind. WaveNet c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra \u00e2m thanh r\u1ea5t t\u1ef1 nhi\u00ean b\u1eb1ng c\u00e1ch h\u1ecdc tr\u1ef1c ti\u1ebfp t\u1eeb d\u1eef li\u1ec7u \u00e2m thanh th\u00f4. WaveNet th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t b\u1ed9 t\u1ed5ng h\u1ee3p trong c\u00e1c h\u1ec7 th\u1ed1ng t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i End-to-End, nh\u01b0 Tacotron 2.<\/p><figure id=\"attachment_17502\" aria-describedby=\"caption-attachment-17502\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17502\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/WaveNet.webp\" alt=\"M\u00f4 h\u00ecnh WaveNet\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/WaveNet.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/WaveNet-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17502\" class=\"wp-caption-text\">M\u00f4 h\u00ecnh WaveNet<\/figcaption><\/figure><p><strong>3.2.5 VITS (Variational Inference Text-to-Speech)<\/strong><\/p><p>VITS l\u00e0 m\u00f4 h\u00ecnh s\u1eed d\u1ee5ng inference bi\u1ebfn ph\u00e2n k\u1ebft h\u1ee3p v\u1edbi c\u00e1c m\u1ea1ng n\u01a1-ron \u0111\u1ec3 t\u1ea1o ra gi\u1ecdng n\u00f3i t\u1ef1 nhi\u00ean v\u00e0 linh ho\u1ea1t. VITS h\u1ecdc c\u00e1c \u0111\u1eb7c tr\u01b0ng \u00e2m thanh t\u1eeb v\u0103n b\u1ea3n v\u00e0 s\u1eed d\u1ee5ng c\u00e1c m\u1eabu ng\u1eabu nhi\u00ean \u0111\u1ec3 t\u1ea1o ra c\u00e1c bi\u1ebfn th\u1ec3 t\u1ef1 nhi\u00ean c\u1ee7a gi\u1ecdng n\u00f3i.<\/p><figure id=\"attachment_17503\" aria-describedby=\"caption-attachment-17503\" style=\"width: 768px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"size-full wp-image-17503\" src=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/Variational-Inference-Text-to-Speech.webp\" alt=\"M\u00f4 h\u00ecnh VITS (Variational Inference Text-to-Speech)\" width=\"768\" height=\"512\" title=\"\" srcset=\"https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/Variational-Inference-Text-to-Speech.webp 768w, https:\/\/vbee.vn\/blog\/wp-content\/uploads\/2024\/07\/Variational-Inference-Text-to-Speech-300x200.webp 300w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><figcaption id=\"caption-attachment-17503\" class=\"wp-caption-text\">M\u00f4 h\u00ecnh VITS (Variational Inference Text-to-Speech)<\/figcaption><\/figure><h2><span class=\"ez-toc-section\" id=\"3_Cac_cau_hoi_thuong_gap_ve_Tong_hop_giong_noi_Speech_Synthesis\"><\/span>3. C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 T\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i (Speech Synthesis)<span class=\"ez-toc-section-end\"><\/span><\/h2><h3><span class=\"ez-toc-section\" id=\"31_Tong_hop_tieng_noi_Speech_Synthesis_va_Text-to-Speech_co_giong_nhau_khong\"><\/span>3.1 T\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i (Speech Synthesis) v\u00e0 Text-to-Speech c\u00f3 gi\u1ed1ng nhau kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>C\u00f3. Text-to-Speech (TTS) l\u00e0 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a Speech Synthesis, t\u1ee9c l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng chuy\u1ec3n \u0111\u1ed5i v\u0103n b\u1ea3n th\u00e0nh gi\u1ecdng n\u00f3i. TTS th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn trong c\u00e1c s\u1ea3n ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i nh\u01b0 tr\u1ee3 l\u00fd \u1ea3o, GPS, <a href=\"https:\/\/vbee.vn\/blog\/chia-se\/tong-dai-ao-la-gi\/\">t\u1ed5ng \u0111\u00e0i AI<\/a>&#8230;<\/p><h3><span class=\"ez-toc-section\" id=\"32_Tai_sao_can_nhieu_phuong_phap_tong_hop_tieng_noi_khac_nhau\"><\/span>3.2 T\u1ea1i sao c\u1ea7n nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i kh\u00e1c nhau?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p c\u00f3 nh\u1eefng \u01b0u \u2013 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng gi\u1ecdng n\u00f3i, t\u1ed1c \u0111\u1ed9 x\u1eed l\u00fd, t\u00e0i nguy\u00ean t\u00ednh to\u00e1n v\u00e0 kh\u1ea3 n\u0103ng t\u00f9y bi\u1ebfn. Ch\u1eb3ng h\u1ea1n:<\/p><ul><li>Concatenative: \u00e2m thanh t\u1ef1 nhi\u00ean, nh\u01b0ng thi\u1ebfu linh ho\u1ea1t<\/li><li>Parametric: d\u1ec5 \u0111i\u1ec1u ch\u1ec9nh, nh\u1eb9, nh\u01b0ng gi\u1ecdng m\u00e1y<\/li><li>End-to-End: gi\u1ecdng t\u1ef1 nhi\u00ean, t\u00f9y bi\u1ebfn t\u1ed1t, nh\u01b0ng c\u1ea7n d\u1eef li\u1ec7u l\u1edbn v\u00e0 GPU m\u1ea1nh<\/li><\/ul><h3><span class=\"ez-toc-section\" id=\"33_Phuong_phap_ghep_noi_Concatenative_Synthesis_hoat_dong_nhu_the_nao\"><\/span>3.3 Ph\u01b0\u01a1ng ph\u00e1p gh\u00e9p n\u1ed1i (Concatenative Synthesis) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>N\u00f3 gh\u00e9p c\u00e1c \u0111o\u1ea1n \u00e2m thanh c\u00f3 s\u1eb5n (\u00e2m ti\u1ebft, t\u1eeb, c\u1ee5m t\u1eeb) \u0111\u00e3 \u0111\u01b0\u1ee3c ghi \u00e2m tr\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o th\u00e0nh c\u00e2u ho\u00e0n ch\u1ec9nh. H\u1ec7 th\u1ed1ng ch\u1ecdn v\u00e0 n\u1ed1i c\u00e1c \u0111o\u1ea1n sao cho kh\u1edbp ng\u1eef c\u1ea3nh v\u00e0 ng\u1eef \u0111i\u1ec7u, \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 tr\u01a1n tru v\u00e0 t\u1ef1 nhi\u00ean.<\/p><h3><span class=\"ez-toc-section\" id=\"34_Phuong_phap_tham_so_Parametric_khac_phuc_duoc_gi_so_voi_ghep_noi\"><\/span>3.4 Ph\u01b0\u01a1ng ph\u00e1p tham s\u1ed1 (Parametric) kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c g\u00ec so v\u1edbi gh\u00e9p n\u1ed1i?<span class=\"ez-toc-section-end\"><\/span><\/h3><ul><li>G\u1ecdn nh\u1eb9 h\u01a1n, kh\u00f4ng c\u1ea7n kho \u00e2m thanh l\u1edbn<\/li><li>T\u00f9y ch\u1ec9nh t\u1ed1t: d\u1ec5 \u0111i\u1ec1u khi\u1ec3n t\u1ed1c \u0111\u1ed9, ng\u1eef \u0111i\u1ec7u, bi\u1ec3u c\u1ea3m<\/li><li>T\u00edch h\u1ee3p t\u1ed1t v\u00e0o thi\u1ebft b\u1ecb nh\u1ecf (nh\u01b0 \u0111i\u1ec7n tho\u1ea1i, robot)<\/li><\/ul><p>Tuy nhi\u00ean, ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh th\u01b0\u1eddng nghe \u201cm\u00e1y\u201d, thi\u1ebfu t\u1ef1 nhi\u00ean.<\/p><h3><span class=\"ez-toc-section\" id=\"35_End-to-End_TTS_la_gi_Tai_sao_lai_duoc_ua_chuong_hien_nay\"><\/span>3.5 End-to-End TTS l\u00e0 g\u00ec? T\u1ea1i sao l\u1ea1i \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng hi\u1ec7n nay?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>End-to-End TTS l\u00e0 ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i d\u00f9ng deep learning \u0111\u1ec3 chuy\u1ec3n tr\u1ef1c ti\u1ebfp t\u1eeb v\u0103n b\u1ea3n th\u00e0nh s\u00f3ng \u00e2m thanh m\u00e0 kh\u00f4ng qua c\u00e1c b\u01b0\u1edbc trung gian. N\u00f3 cho ch\u1ea5t l\u01b0\u1ee3ng \u00e2m thanh:<\/p><ul><li>T\u1ef1 nhi\u00ean h\u01a1n<\/li><li>Ph\u00e1t \u00e2m ch\u00ednh x\u00e1c h\u01a1n<\/li><li>C\u00f3 th\u1ec3 h\u1ecdc c\u1ea3m x\u00fac, nh\u1ea5n nh\u00e1, ng\u1eef \u0111i\u1ec7u<\/li><\/ul><p>C\u00e1c m\u00f4 h\u00ecnh ph\u1ed5 bi\u1ebfn g\u1ed3m: FastSpeech2, Tacotron2, VITS, HiFi-GAN.<\/p><h3><span class=\"ez-toc-section\" id=\"36_Uu_diem_cua_mo_hinh_FastSpeech2_la_gi\"><\/span>3.6 \u01afu \u0111i\u1ec3m c\u1ee7a m\u00f4 h\u00ecnh FastSpeech2 l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3><ul><li>T\u1ed1c \u0111\u1ed9 t\u1ed5ng h\u1ee3p nhanh g\u1ea5p nhi\u1ec1u l\u1ea7n Tacotron<\/li><li>\u1ed4n \u0111\u1ecbnh h\u01a1n: kh\u00f4ng b\u1ecb l\u1ed7i ng\u1eaft c\u00e2u, ph\u00e1t \u00e2m sai<\/li><li>D\u1ec5 hu\u1ea5n luy\u1ec7n v\u00e0 tri\u1ec3n khai th\u1ef1c t\u1ebf<\/li><\/ul><p>FastSpeech2 th\u01b0\u1eddng d\u00f9ng c\u00f9ng c\u00e1c vocoder nh\u01b0 HiFi-GAN \u0111\u1ec3 t\u1ea1o ra gi\u1ecdng n\u00f3i m\u01b0\u1ee3t v\u00e0 s\u1eafc n\u00e9t.<\/p><h3><span class=\"ez-toc-section\" id=\"37_Mo_hinh_nao_cho_giong_noi_tu_nhien_nhat_hien_nay\"><\/span>3.7 M\u00f4 h\u00ecnh n\u00e0o cho gi\u1ecdng n\u00f3i t\u1ef1 nhi\u00ean nh\u1ea5t hi\u1ec7n nay?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>K\u1ebft h\u1ee3p:<\/p><ul><li>Tacotron2 \/ FastSpeech2 \/ VITS (cho ph\u1ea7n chuy\u1ec3n v\u0103n b\u1ea3n \u2192 spectrogram)<\/li><li>HiFi-GAN \/ WaveNet (cho ph\u1ea7n spectrogram \u2192 s\u00f3ng \u00e2m thanh)<\/li><\/ul><p>VITS l\u00e0 m\u1ed9t trong nh\u1eefng m\u00f4 h\u00ecnh m\u1edbi nh\u1ea5t v\u1edbi \u0111\u1ed9 t\u1ef1 nhi\u00ean cao + t\u1ed1c \u0111\u1ed9 t\u1ed1t.<\/p><h3><span class=\"ez-toc-section\" id=\"38_Mo_hinh_tong_hop_tieng_noi_co_the_the_hien_cam_xuc_khong\"><\/span>3.8 M\u00f4 h\u00ecnh t\u1ed5ng h\u1ee3p ti\u1ebfng n\u00f3i c\u00f3 th\u1ec3 th\u1ec3 hi\u1ec7n c\u1ea3m x\u00fac kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3><p>C\u00f3. M\u1ed9t s\u1ed1 m\u00f4 h\u00ecnh TTS hi\u1ec7n \u0111\u1ea1i (nh\u01b0 VITS, AdaSpeech) c\u00f3 kh\u1ea3 n\u0103ng h\u1ecdc bi\u1ec3u c\u1ea3m nh\u01b0 vui, bu\u1ed3n, c\u0103ng th\u1eb3ng, l\u1ecbch s\u1ef1&#8230; Tuy nhi\u00ean c\u1ea7n c\u00f3 d\u1eef li\u1ec7u hu\u1ea5n luy\u1ec7n \u0111\u01b0\u1ee3c g\u1eafn nh\u00e3n c\u1ea3m x\u00fac r\u00f5 r\u00e0ng, ho\u1eb7c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1ea3m x\u00fac ri\u00eang (emotion embedding).<\/p><p>C\u00f4ng ngh\u1ec7 Text to Speech \u0111\u00e3 ph\u00e1t tri\u1ec3n qua nhi\u1ec1u ph\u01b0\u01a1ng ph\u00e1p kh\u00e1c nhau, t\u1eeb Concatenative Synthesis, Parametric Synthesis \u0111\u1ebfn c\u00e1c m\u00f4 h\u00ecnh h\u1ecdc s\u00e2u hi\u1ec7n \u0111\u1ea1i. M\u1ed7i ph\u01b0\u01a1ng ph\u00e1p \u0111\u1ec1u c\u00f3 \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 y\u00eau c\u1ea7u kh\u00e1c nhau. V\u1edbi s\u1ef1 ti\u1ebfn b\u1ed9 kh\u00f4ng ng\u1eebng c\u1ee7a <a href=\"https:\/\/vbee.vn\/blog\/ai\/\">tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o<\/a> v\u00e0 h\u1ecdc s\u00e2u, t\u01b0\u01a1ng lai c\u1ee7a <a href=\"https:\/\/vbee.vn\/blog\/chuyen-van-ban-thanh-giong-noi\/\">c\u00f4ng ngh\u1ec7 chuy\u1ec3n v\u0103n b\u1ea3n th\u00e0nh gi\u1ecdng n\u00f3i<\/a> h\u1ee9a h\u1eb9n s\u1ebd ti\u1ebfp t\u1ee5c mang l\u1ea1i nh\u1eefng c\u1ea3i ti\u1ebfn \u0111\u00e1ng k\u1ec3, t\u1ea1o ra gi\u1ecdng n\u00f3i nh\u00e2n t\u1ea1o ng\u00e0y c\u00e0ng t\u1ef1 nhi\u00ean v\u00e0 ch\u00e2n th\u1ef1c h\u01a1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i l\u00e0 m\u1ed9t trong nh\u1eefng n\u1ec1n t\u1ea3ng h\u00e0ng \u0111\u1ea7u ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 Text to Speeech. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft t\u1eebng ph\u01b0\u01a1ng ph\u00e1p t\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i c\u0169ng nh\u01b0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng v\u00e0 c\u00e1c m\u00f4 h\u00ecnh s\u1eed d\u1ee5ng.1. T\u1ed5ng h\u1ee3p gi\u1ecdng n\u00f3i (Speech Synthesis) l\u00e0&#8230;<\/p>\n","protected":false},"author":9,"featured_media":17504,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[216],"tags":[],"class_list":["post-17487","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-van-ban-thanh-giong-noi"],"_links":{"self":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts\/17487","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/comments?post=17487"}],"version-history":[{"count":22,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts\/17487\/revisions"}],"predecessor-version":[{"id":28621,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/posts\/17487\/revisions\/28621"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/media\/17504"}],"wp:attachment":[{"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/media?parent=17487"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/categories?post=17487"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vbee.vn\/blog\/wp-json\/wp\/v2\/tags?post=17487"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}