76 lines
2.3 KiB
Python
76 lines
2.3 KiB
Python
# -*- coding: utf-8 -*-
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import asyncio
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import uuid
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from pathlib import Path
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from typing import Optional, Tuple
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import edge_tts
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from mutagen.mp3 import MP3
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class EdgeTTS:
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"""
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edge在线语音合成
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"""
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# 中文音色
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TIMBRES = {
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"女声-晓晓": "zh-CN-XiaoxiaoNeural",
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"女声-晓辰": "zh-CN-XiaochenNeural",
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"女声-晓倩": "zh-CN-XiaoqianNeural",
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}
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def __init__(
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self,
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materials_path: Path,
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):
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"""
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初始化语音合成器
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:param materials_path: 素材文件夹路径
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"""
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# 素材文件夹路径
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self.materials_path = materials_path
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def generate_audio(
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self,
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content: str,
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timbre: Optional[str] = "女声-晓晓",
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rate: str = "+0%",
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volume: str = "+0%",
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) -> Tuple[str, int]:
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"""
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根据文本内容合成语音并返回音频素材名称
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:param content: 文本内容
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:param timbre: 音色名称，例如女声-晓晓
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:param rate: 语速
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:param volume: 音量
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:return 音频素材名称和持续时长
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"""
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# noinspection PyBroadException
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try:
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# 异步处理：根据文本内容合成语音并保存为音频素材
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async def _async_generate_audio():
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# 实例化Communicate
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communicator = edge_tts.Communicate(
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text=content,
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voice=self.TIMBRES[timbre],
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rate=rate,
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volume=volume,
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)
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# 音频素材名称
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name = f"{uuid.uuid4().hex[-16:].upper()}.mp3"
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# 音频素材路径
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audio_path = self.materials_path / name
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await communicator.save(audio_path := audio_path.as_posix())
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# 音频持续时长（单位为微妙）
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duration = int(round(MP3(audio_path).info.length * 1000000))
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return name, duration
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# 同步调用异步逻辑，对外暴露纯同步接口
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return asyncio.run(_async_generate_audio())
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except Exception as exception:
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raise RuntimeError(
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f"根据文本内容合成语音并保存为音频素材发声异常：{str(exception)}"
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)
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