口播神器,基于Edge,微软TTS(text-to-speech)文字转语音免费开源库edge-tts实践(Python3.10)

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张三
张三 2023-03-07 07:26:28
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口播神器,基于Edge,微软TTS(text-to-speech)文字转语音免费开源库edge-tts实践(Python3.10)

不能否认，微软Azure在TTS(text-to-speech文字转语音)这个人工智能细分领域的影响力是统治级的，一如ChatGPT在NLP领域的随心所欲，予取予求。君不见几乎所有的抖音营销号口播均采用微软的语音合成技术，其影响力由此可见一斑，仅有的白璧微瑕之处就是价格略高，虽然国内也可以使用科大讯飞语音合成进行平替，但我们只想要最好的那一个，本次我们使用免费的开源库edge-tts来实现文本转语音操作，薅微软edge的羊毛。

TTS文本转语音基础使用方式

首先安装edge-tts库：

pip3 install edge-tts

安装成功后，直接在终端运行edge-tts命令：

edge-tts

显示帮助菜单即代表安装成功：

?  Downloads edge-tts  
usage: edge-tts [-h] [-t TEXT] [-f FILE] [-v VOICE] [-l] [--rate RATE] [--volume VOLUME] [-O OVERLAPPING]  
                [--write-media WRITE_MEDIA] [--write-subtitles WRITE_SUBTITLES] [--proxy PROXY]

随后输入命令：

edge-tts --list-voices

该命令可以将Edge浏览器中，内置的语言角色列表列出来：

Name: af-ZA-AdriNeural  
Gender: Female  
  
Name: af-ZA-WillemNeural  
Gender: Male  
  
Name: am-ET-AmehaNeural  
Gender: Male  
  
Name: am-ET-MekdesNeural  
Gender: Female  
  
Name: ar-AE-FatimaNeural  
Gender: Female  
  
Name: ar-AE-HamdanNeural  
Gender: Male  
  
Name: ar-BH-AliNeural  
Gender: Male  
  
Name: ar-BH-LailaNeural  
Gender: Female  
  
Name: ar-DZ-AminaNeural  
Gender: Female  
  
Name: ar-DZ-IsmaelNeural  
Gender: Male  
  
Name: ar-EG-SalmaNeural  
Gender: Female  
  
Name: ar-EG-ShakirNeural  
Gender: Male  
  
Name: ar-IQ-BasselNeural  
Gender: Male  
  
Name: ar-IQ-RanaNeural  
Gender: Female  
  
Name: ar-JO-SanaNeural  
Gender: Female  
  
Name: ar-JO-TaimNeural  
Gender: Male  
  
Name: ar-KW-FahedNeural  
Gender: Male  
  
Name: ar-KW-NouraNeural  
Gender: Female  
  
Name: ar-LB-LaylaNeural  
Gender: Female  
  
Name: ar-LB-RamiNeural  
Gender: Male  
  
Name: ar-LY-ImanNeural  
Gender: Female  
  
Name: ar-LY-OmarNeural  
Gender: Male  
  
Name: ar-MA-JamalNeural  
Gender: Male  
  
Name: ar-MA-MounaNeural  
Gender: Female  
  
Name: ar-OM-AbdullahNeural  
Gender: Male  
  
Name: ar-OM-AyshaNeural  
Gender: Female  
  
Name: ar-QA-AmalNeural  
Gender: Female  
  
Name: ar-QA-MoazNeural  
Gender: Male  
  
Name: ar-SA-HamedNeural  
Gender: Male  
  
Name: ar-SA-ZariyahNeural  
Gender: Female  
  
Name: ar-SY-AmanyNeural  
Gender: Female  
  
Name: ar-SY-LaithNeural  
Gender: Male  
  
Name: ar-TN-HediNeural  
Gender: Male  
  
Name: ar-TN-ReemNeural  
Gender: Female  
  
Name: ar-YE-MaryamNeural  
Gender: Female  
  
Name: ar-YE-SalehNeural  
Gender: Male  
  
Name: az-AZ-BabekNeural  
Gender: Male  
  
Name: az-AZ-BanuNeural  
Gender: Female  
  
Name: bg-BG-BorislavNeural  
Gender: Male  
  
Name: bg-BG-KalinaNeural  
Gender: Female  
  
Name: bn-BD-NabanitaNeural  
Gender: Female  
  
Name: bn-BD-PradeepNeural  
Gender: Male  
  
Name: bn-IN-BashkarNeural  
Gender: Male  
  
Name: bn-IN-TanishaaNeural  
Gender: Female  
  
Name: bs-BA-GoranNeural  
Gender: Male  
  
Name: bs-BA-VesnaNeural  
Gender: Female  
  
Name: ca-ES-EnricNeural  
Gender: Male  
  
Name: ca-ES-JoanaNeural  
Gender: Female  
  
Name: cs-CZ-AntoninNeural  
Gender: Male  
  
Name: cs-CZ-VlastaNeural  
Gender: Female  
  
Name: cy-GB-AledNeural  
Gender: Male  
  
Name: cy-GB-NiaNeural  
Gender: Female  
  
Name: da-DK-ChristelNeural  
Gender: Female  
  
Name: da-DK-JeppeNeural  
Gender: Male  
  
Name: de-AT-IngridNeural  
Gender: Female  
  
Name: de-AT-JonasNeural  
Gender: Male  
  
Name: de-CH-JanNeural  
Gender: Male  
  
Name: de-CH-LeniNeural  
Gender: Female  
  
Name: de-DE-AmalaNeural  
Gender: Female  
  
Name: de-DE-ConradNeural  
Gender: Male  
  
Name: de-DE-KatjaNeural  
Gender: Female  
  
Name: de-DE-KillianNeural  
Gender: Male  
  
Name: el-GR-AthinaNeural  
Gender: Female  
  
Name: el-GR-NestorasNeural  
Gender: Male  
  
Name: en-AU-NatashaNeural  
Gender: Female  
  
Name: en-AU-WilliamNeural  
Gender: Male  
  
Name: en-CA-ClaraNeural  
Gender: Female  
  
Name: en-CA-LiamNeural  
Gender: Male  
  
Name: en-GB-LibbyNeural  
Gender: Female  
  
Name: en-GB-MaisieNeural  
Gender: Female  
  
Name: en-GB-RyanNeural  
Gender: Male  
  
Name: en-GB-SoniaNeural  
Gender: Female  
  
Name: en-GB-ThomasNeural  
Gender: Male  
  
Name: en-HK-SamNeural  
Gender: Male  
  
Name: en-HK-YanNeural  
Gender: Female  
  
Name: en-IE-ConnorNeural  
Gender: Male  
  
Name: en-IE-EmilyNeural  
Gender: Female  
  
Name: en-IN-NeerjaExpressiveNeural  
Gender: Female  
  
Name: en-IN-NeerjaNeural  
Gender: Female  
  
Name: en-IN-PrabhatNeural  
Gender: Male  
  
Name: en-KE-AsiliaNeural  
Gender: Female  
  
Name: en-KE-ChilembaNeural  
Gender: Male  
  
Name: en-NG-AbeoNeural  
Gender: Male  
  
Name: en-NG-EzinneNeural  
Gender: Female  
  
Name: en-NZ-MitchellNeural  
Gender: Male  
  
Name: en-NZ-MollyNeural  
Gender: Female  
  
Name: en-PH-JamesNeural  
Gender: Male  
  
Name: en-PH-RosaNeural  
Gender: Female  
  
Name: en-SG-LunaNeural  
Gender: Female  
  
Name: en-SG-WayneNeural  
Gender: Male  
  
Name: en-TZ-ElimuNeural  
Gender: Male  
  
Name: en-TZ-ImaniNeural  
Gender: Female  
  
Name: en-US-AnaNeural  
Gender: Female  
  
Name: en-US-AriaNeural  
Gender: Female  
  
Name: en-US-ChristopherNeural  
Gender: Male  
  
Name: en-US-EricNeural  
Gender: Male  
  
Name: en-US-GuyNeural  
Gender: Male  
  
Name: en-US-JennyNeural  
Gender: Female  
  
Name: en-US-MichelleNeural  
Gender: Female  
  
Name: en-US-RogerNeural  
Gender: Male  
  
Name: en-US-SteffanNeural  
Gender: Male  
  
Name: en-ZA-LeahNeural  
Gender: Female  
  
Name: en-ZA-LukeNeural  
Gender: Male  
  
Name: es-AR-ElenaNeural  
Gender: Female  
  
Name: es-AR-TomasNeural  
Gender: Male  
  
Name: es-BO-MarceloNeural  
Gender: Male  
  
Name: es-BO-SofiaNeural  
Gender: Female  
  
Name: es-CL-CatalinaNeural  
Gender: Female  
  
Name: es-CL-LorenzoNeural  
Gender: Male  
  
Name: es-CO-GonzaloNeural  
Gender: Male  
  
Name: es-CO-SalomeNeural  
Gender: Female  
  
Name: es-CR-JuanNeural  
Gender: Male  
  
Name: es-CR-MariaNeural  
Gender: Female  
  
Name: es-CU-BelkysNeural  
Gender: Female  
  
Name: es-CU-ManuelNeural  
Gender: Male  
  
Name: es-DO-EmilioNeural  
Gender: Male  
  
Name: es-DO-RamonaNeural  
Gender: Female  
  
Name: es-EC-AndreaNeural  
Gender: Female  
  
Name: es-EC-LuisNeural  
Gender: Male  
  
Name: es-ES-AlvaroNeural  
Gender: Male  
  
Name: es-ES-ElviraNeural  
Gender: Female  
  
Name: es-ES-ManuelEsCUNeural  
Gender: Male  
  
Name: es-GQ-JavierNeural  
Gender: Male  
  
Name: es-GQ-TeresaNeural  
Gender: Female  
  
Name: es-GT-AndresNeural  
Gender: Male  
  
Name: es-GT-MartaNeural  
Gender: Female  
  
Name: es-HN-CarlosNeural  
Gender: Male  
  
Name: es-HN-KarlaNeural  
Gender: Female  
  
Name: es-MX-DaliaNeural  
Gender: Female  
  
Name: es-MX-JorgeNeural  
Gender: Male  
  
Name: es-MX-LorenzoEsCLNeural  
Gender: Male  
  
Name: es-NI-FedericoNeural  
Gender: Male  
  
Name: es-NI-YolandaNeural  
Gender: Female  
  
Name: es-PA-MargaritaNeural  
Gender: Female  
  
Name: es-PA-RobertoNeural  
Gender: Male  
  
Name: es-PE-AlexNeural  
Gender: Male  
  
Name: es-PE-CamilaNeural  
Gender: Female  
  
Name: es-PR-KarinaNeural  
Gender: Female  
  
Name: es-PR-VictorNeural  
Gender: Male  
  
Name: es-PY-MarioNeural  
Gender: Male  
  
Name: es-PY-TaniaNeural  
Gender: Female  
  
Name: es-SV-LorenaNeural  
Gender: Female  
  
Name: es-SV-RodrigoNeural  
Gender: Male  
  
Name: es-US-AlonsoNeural  
Gender: Male  
  
Name: es-US-PalomaNeural  
Gender: Female  
  
Name: es-UY-MateoNeural  
Gender: Male  
  
Name: es-UY-ValentinaNeural  
Gender: Female  
  
Name: es-VE-PaolaNeural  
Gender: Female  
  
Name: es-VE-SebastianNeural  
Gender: Male  
  
Name: et-EE-AnuNeural  
Gender: Female  
  
Name: et-EE-KertNeural  
Gender: Male  
  
Name: fa-IR-DilaraNeural  
Gender: Female  
  
Name: fa-IR-FaridNeural  
Gender: Male  
  
Name: fi-FI-HarriNeural  
Gender: Male  
  
Name: fi-FI-NooraNeural  
Gender: Female  
  
Name: fil-PH-AngeloNeural  
Gender: Male  
  
Name: fil-PH-BlessicaNeural  
Gender: Female  
  
Name: fr-BE-CharlineNeural  
Gender: Female  
  
Name: fr-BE-GerardNeural  
Gender: Male  
  
Name: fr-CA-AntoineNeural  
Gender: Male  
  
Name: fr-CA-JeanNeural  
Gender: Male  
  
Name: fr-CA-SylvieNeural  
Gender: Female  
  
Name: fr-CH-ArianeNeural  
Gender: Female  
  
Name: fr-CH-FabriceNeural  
Gender: Male  
  
Name: fr-FR-DeniseNeural  
Gender: Female  
  
Name: fr-FR-EloiseNeural  
Gender: Female  
  
Name: fr-FR-HenriNeural  
Gender: Male  
  
Name: ga-IE-ColmNeural  
Gender: Male  
  
Name: ga-IE-OrlaNeural  
Gender: Female  
  
Name: gl-ES-RoiNeural  
Gender: Male  
  
Name: gl-ES-SabelaNeural  
Gender: Female  
  
Name: gu-IN-DhwaniNeural  
Gender: Female  
  
Name: gu-IN-NiranjanNeural  
Gender: Male  
  
Name: he-IL-AvriNeural  
Gender: Male  
  
Name: he-IL-HilaNeural  
Gender: Female  
  
Name: hi-IN-MadhurNeural  
Gender: Male  
  
Name: hi-IN-SwaraNeural  
Gender: Female  
  
Name: hr-HR-GabrijelaNeural  
Gender: Female  
  
Name: hr-HR-SreckoNeural  
Gender: Male  
  
Name: hu-HU-NoemiNeural  
Gender: Female  
  
Name: hu-HU-TamasNeural  
Gender: Male  
  
Name: id-ID-ArdiNeural  
Gender: Male  
  
Name: id-ID-GadisNeural  
Gender: Female  
  
Name: is-IS-GudrunNeural  
Gender: Female  
  
Name: is-IS-GunnarNeural  
Gender: Male  
  
Name: it-IT-DiegoNeural  
Gender: Male  
  
Name: it-IT-ElsaNeural  
Gender: Female  
  
Name: it-IT-IsabellaNeural  
Gender: Female  
  
Name: ja-JP-KeitaNeural  
Gender: Male  
  
Name: ja-JP-NanamiNeural  
Gender: Female  
  
Name: jv-ID-DimasNeural  
Gender: Male  
  
Name: jv-ID-SitiNeural  
Gender: Female  
  
Name: ka-GE-EkaNeural  
Gender: Female  
  
Name: ka-GE-GiorgiNeural  
Gender: Male  
  
Name: kk-KZ-AigulNeural  
Gender: Female  
  
Name: kk-KZ-DauletNeural  
Gender: Male  
  
Name: km-KH-PisethNeural  
Gender: Male  
  
Name: km-KH-SreymomNeural  
Gender: Female  
  
Name: kn-IN-GaganNeural  
Gender: Male  
  
Name: kn-IN-SapnaNeural  
Gender: Female  
  
Name: ko-KR-InJoonNeural  
Gender: Male  
  
Name: ko-KR-SunHiNeural  
Gender: Female  
  
Name: lo-LA-ChanthavongNeural  
Gender: Male  
  
Name: lo-LA-KeomanyNeural  
Gender: Female  
  
Name: lt-LT-LeonasNeural  
Gender: Male  
  
Name: lt-LT-OnaNeural  
Gender: Female  
  
Name: lv-LV-EveritaNeural  
Gender: Female  
  
Name: lv-LV-NilsNeural  
Gender: Male  
  
Name: mk-MK-AleksandarNeural  
Gender: Male  
  
Name: mk-MK-MarijaNeural  
Gender: Female  
  
Name: ml-IN-MidhunNeural  
Gender: Male  
  
Name: ml-IN-SobhanaNeural  
Gender: Female  
  
Name: mn-MN-BataaNeural  
Gender: Male  
  
Name: mn-MN-YesuiNeural  
Gender: Female  
  
Name: mr-IN-AarohiNeural  
Gender: Female  
  
Name: mr-IN-ManoharNeural  
Gender: Male  
  
Name: ms-MY-OsmanNeural  
Gender: Male  
  
Name: ms-MY-YasminNeural  
Gender: Female  
  
Name: mt-MT-GraceNeural  
Gender: Female  
  
Name: mt-MT-JosephNeural  
Gender: Male  
  
Name: my-MM-NilarNeural  
Gender: Female  
  
Name: my-MM-ThihaNeural  
Gender: Male  
  
Name: nb-NO-FinnNeural  
Gender: Male  
  
Name: nb-NO-PernilleNeural  
Gender: Female  
  
Name: ne-NP-HemkalaNeural  
Gender: Female  
  
Name: ne-NP-SagarNeural  
Gender: Male  
  
Name: nl-BE-ArnaudNeural  
Gender: Male  
  
Name: nl-BE-DenaNeural  
Gender: Female  
  
Name: nl-NL-ColetteNeural  
Gender: Female  
  
Name: nl-NL-FennaNeural  
Gender: Female  
  
Name: nl-NL-MaartenNeural  
Gender: Male  
  
Name: pl-PL-MarekNeural  
Gender: Male  
  
Name: pl-PL-ZofiaNeural  
Gender: Female  
  
Name: ps-AF-GulNawazNeural  
Gender: Male  
  
Name: ps-AF-LatifaNeural  
Gender: Female  
  
Name: pt-BR-AntonioNeural  
Gender: Male  
  
Name: pt-BR-FranciscaNeural  
Gender: Female  
  
Name: pt-PT-DuarteNeural  
Gender: Male  
  
Name: pt-PT-RaquelNeural  
Gender: Female  
  
Name: ro-RO-AlinaNeural  
Gender: Female  
  
Name: ro-RO-EmilNeural  
Gender: Male  
  
Name: ru-RU-DmitryNeural  
Gender: Male  
  
Name: ru-RU-SvetlanaNeural  
Gender: Female  
  
Name: si-LK-SameeraNeural  
Gender: Male  
  
Name: si-LK-ThiliniNeural  
Gender: Female  
  
Name: sk-SK-LukasNeural  
Gender: Male  
  
Name: sk-SK-ViktoriaNeural  
Gender: Female  
  
Name: sl-SI-PetraNeural  
Gender: Female  
  
Name: sl-SI-RokNeural  
Gender: Male  
  
Name: so-SO-MuuseNeural  
Gender: Male  
  
Name: so-SO-UbaxNeural  
Gender: Female  
  
Name: sq-AL-AnilaNeural  
Gender: Female  
  
Name: sq-AL-IlirNeural  
Gender: Male  
  
Name: sr-RS-NicholasNeural  
Gender: Male  
  
Name: sr-RS-SophieNeural  
Gender: Female  
  
Name: su-ID-JajangNeural  
Gender: Male  
  
Name: su-ID-TutiNeural  
Gender: Female  
  
Name: sv-SE-MattiasNeural  
Gender: Male  
  
Name: sv-SE-SofieNeural  
Gender: Female  
  
Name: sw-KE-RafikiNeural  
Gender: Male  
  
Name: sw-KE-ZuriNeural  
Gender: Female  
  
Name: sw-TZ-DaudiNeural  
Gender: Male  
  
Name: sw-TZ-RehemaNeural  
Gender: Female  
  
Name: ta-IN-PallaviNeural  
Gender: Female  
  
Name: ta-IN-ValluvarNeural  
Gender: Male  
  
Name: ta-LK-KumarNeural  
Gender: Male  
  
Name: ta-LK-SaranyaNeural  
Gender: Female  
  
Name: ta-MY-KaniNeural  
Gender: Female  
  
Name: ta-MY-SuryaNeural  
Gender: Male  
  
Name: ta-SG-AnbuNeural  
Gender: Male  
  
Name: ta-SG-VenbaNeural  
Gender: Female  
  
Name: te-IN-MohanNeural  
Gender: Male  
  
Name: te-IN-ShrutiNeural  
Gender: Female  
  
Name: th-TH-NiwatNeural  
Gender: Male  
  
Name: th-TH-PremwadeeNeural  
Gender: Female  
  
Name: tr-TR-AhmetNeural  
Gender: Male  
  
Name: tr-TR-EmelNeural  
Gender: Female  
  
Name: uk-UA-OstapNeural  
Gender: Male  
  
Name: uk-UA-PolinaNeural  
Gender: Female  
  
Name: ur-IN-GulNeural  
Gender: Female  
  
Name: ur-IN-SalmanNeural  
Gender: Male  
  
Name: ur-PK-AsadNeural  
Gender: Male  
  
Name: ur-PK-UzmaNeural  
Gender: Female  
  
Name: uz-UZ-MadinaNeural  
Gender: Female  
  
Name: uz-UZ-SardorNeural  
Gender: Male  
  
Name: vi-VN-HoaiMyNeural  
Gender: Female  
  
Name: vi-VN-NamMinhNeural  
Gender: Male  
  
Name: zh-CN-XiaoxiaoNeural  
Gender: Female  
  
Name: zh-CN-XiaoyiNeural  
Gender: Female  
  
Name: zh-CN-YunjianNeural  
Gender: Male  
  
Name: zh-CN-YunxiNeural  
Gender: Male  
  
Name: zh-CN-YunxiaNeural  
Gender: Male  
  
Name: zh-CN-YunyangNeural  
Gender: Male  
  
Name: zh-CN-liaoning-XiaobeiNeural  
Gender: Female  
  
Name: zh-CN-shaanxi-XiaoniNeural  
Gender: Female  
  
Name: zh-HK-HiuGaaiNeural  
Gender: Female  
  
Name: zh-HK-HiuMaanNeural  
Gender: Female  
  
Name: zh-HK-WanLungNeural  
Gender: Male  
  
Name: zh-TW-HsiaoChenNeural  
Gender: Female  
  
Name: zh-TW-HsiaoYuNeural  
Gender: Female  
  
Name: zh-TW-YunJheNeural  
Gender: Male  
  
Name: zu-ZA-ThandoNeural  
Gender: Female  
  
Name: zu-ZA-ThembaNeural  
Gender: Male

一望而知，几乎支持所有主流的通用语，Gender字段为合成语音的性别，Male代表男性，Female代表女性，zh开头的就是中文语音角色，这里以微软的小伊为例子：

edge-tts --voice zh-CN-XiaoyiNeural --text "你好啊，我是智能语音助手" --write-media hello_in_cn.mp3

该命令含义是通过zh-CN-XiaoyiNeural角色合成语音："你好啊，我是智能语音助手"的内容，随后将音频流写入hello_in_cn.mp3文件。

程序返回：

Downloads edge-tts --voice zh-CN-XiaoyiNeural --text "你好啊，我是智能语音助手" --write-media hello_in_cn.mp3  
WEBVTT  
  
00:00:00.100 --> 00:00:00.525  
你好  
  
00:00:00.525 --> 00:00:00.912  
啊  
  
00:00:01.050 --> 00:00:01.238  
我  
  
00:00:01.238 --> 00:00:01.375  
是  
  
00:00:01.387 --> 00:00:01.700  
智能  
  
00:00:01.700 --> 00:00:02.050  
语音  
  
00:00:02.062 --> 00:00:02.550  
助手

程序会自动将时间轴和语音文本匹配输出，如此一来，连字幕文件也有了，可谓是一举两得，一箭双雕。

与此同时，我们也可以调整合成语音的语速：

edge-tts --rate=-50% --voice zh-CN-XiaoyiNeural --text "你好啊，我是智能语音助手" --write-media hello_in_cn.mp3

--rate参数可以通过加号或者减号同步加快或者减慢合成语音的语速。

亦或者，调整合成语音的音量：

edge-tts --volume=-50%  --voice zh-CN-XiaoyiNeural --text "你好啊，我是智能语音助手" --write-media hello_in_cn.mp3

--volume参数可以调整语音的音量。

遗憾的是，和微软Azure官方的语音合成库相比，开源的语音合成库并不支持基于标记语言 (SSML)的语音调优，比如语调、情绪的调整，但这毕竟是免费的，要求也不能太高了。

Python脚本语音合成

除了通过命令进行语音合成，edge-tts也支持在Python脚本，编辑test.py文件：

import asyncio  
  
import edge_tts  
  
TEXT = "你好哟，我是智能语音助手，小伊"  
VOICE = "zh-CN-XiaoyiNeural"  
OUTPUT_FILE = "/Users/liuyue/Downloads/test.mp3"  
  
  
async def _main() -> None:  
    communicate = edge_tts.Communicate(TEXT, VOICE)  
    await communicate.save(OUTPUT_FILE)  
  
  
if __name__ == "__main__":  
    asyncio.run(_main())

这里我们直接通过异步模式调用communicate实例的save方法，就可以并发异步生成语音合成的音频文件，非常方便。

也可以通过语音管理库来自动寻找我们需要的语言：

import asyncio  
import random  
  
import edge_tts  
from edge_tts import VoicesManager  
  
TEXT = "中文语音测试"  
OUTPUT_FILE ="china.mp3"  
  
  
async def _main() -> None:  
    voices = await VoicesManager.create()  
    voice = voices.find(Gender="Female", Language="zh")  
  
    communicate = edge_tts.Communicate(TEXT, random.choice(voice)["Name"])  
    await communicate.save(OUTPUT_FILE)  
  
  
if __name__ == "__main__":  
    asyncio.run(_main())

这里通过内置的VoicesManager库来随机挑选中文语音角色完成语音合成操作。

除此之外，也可以通过脚本将语音流和字母同步进行生成：

import asyncio  
  
import edge_tts  
  
TEXT = "这里是语音流测试"  
VOICE = "zh-CN-XiaoyiNeural"  
OUTPUT_FILE = "test.mp3"  
WEBVTT_FILE = "test.vtt"  
  
  
async def _main() -> None:  
    communicate = edge_tts.Communicate(TEXT, VOICE)  
    submaker = edge_tts.SubMaker()  
    with open(OUTPUT_FILE, "wb") as file:  
        async for chunk in communicate.stream():  
            if chunk["type"] == "audio":  
                file.write(chunk["data"])  
            elif chunk["type"] == "WordBoundary":  
                submaker.create_sub((chunk["offset"], chunk["duration"]), chunk["text"])  
  
    with open(WEBVTT_FILE, "w", encoding="utf-8") as file:  
        file.write(submaker.generate_subs())  
  
  
if __name__ == "__main__":  
    asyncio.run(_main())

这里异步调用之后，音频会写入test.mp3，而字幕文件则会写入test.vtt。后续则可以通过ffmpeg将生成的字幕文件叠加到视频中即可，请参见：基于Python3(Autosub)以及Ffmpeg配合GoogleTranslation(谷歌翻译)为你的影片实现双语版字幕(逐字稿)

结语

开源语音合成edge-tts库可以提高语音合成效率，并且极大地降低了语音合成门槛，为自动化视频剪辑铺平了道路，未来结合基于Stable-Diffusion算法的AI绘图框架，人工智能AI一键式绘制、配音、上字幕的一条龙服务指日可待。

posted @ 2023-03-07 07:11  刘悦的技术博客  阅读(0)  评论(0)  编辑  收藏  举报
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