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tts-voice

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Convert text to natural speech audio. Uses Edge-TTS (free) or OpenAI TTS. Excellent Chinese voice support.

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Source SKILL.md: https://github.com/fuyuxiang/echo-agent/blob/HEAD/skills/media/tts-voice/SKILL.md

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TTS Voice

Text-to-Speech with natural Chinese voices.

Edge-TTS (Free, Recommended)

pip install edge-tts

CLI

edge-tts --voice zh-CN-XiaoxiaoNeural --text "今天天气不错" --write-media /tmp/output.mp3
edge-tts --list-voices | grep zh-CN

Python

import edge_tts, asyncio

async def speak(text, voice="zh-CN-XiaoxiaoNeural", output="output.mp3"):
    communicate = edge_tts.Communicate(text, voice)
    await communicate.save(output)

asyncio.run(speak("欢迎使用 Echo Agent"))

Chinese Voices

Voice IDStyle
zh-CN-XiaoxiaoNeural女声，活泼自然
zh-CN-YunxiNeural男声，温和
zh-CN-YunyangNeural男声，新闻播报
zh-CN-XiaoyiNeural女声，温柔
zh-CN-liaoning-XiaobeiNeural东北方言
zh-TW-HsiaoChenNeural台湾女声

OpenAI TTS (Alternative)

Requires OPENAI_API_KEY:

from openai import OpenAI
client = OpenAI()
response = client.audio.speech.create(
    model="tts-1",  # or tts-1-hd
    voice="alloy",  # alloy/echo/fable/onyx/nova/shimmer
    input="Hello world"
)
response.stream_to_file("output.mp3")

Script

python3 scripts/text_to_speech.py "你好世界"
python3 scripts/text_to_speech.py "长文本内容..." --voice zh-CN-YunxiNeural -o briefing.mp3
python3 scripts/text_to_speech.py --list-voices zh

Delivering the audio (important for scheduled/unattended tasks)

Generating an mp3 does NOT send it. When the user should actually receive the audio (e.g. a cron-triggered morning briefing), use the built-in text_to_speech tool with deliver=true so synthesis and delivery happen in one step:

text_to_speech(text="北京今天多云…", voice="zh-CN-XiaoxiaoNeural", deliver=true)

With deliver=true the tool sends the file to the current chat automatically (target inferred from the session, or override with deliver_channel / deliver_chat_id). Do NOT rely on a separate follow-up send_file call inside a scheduled job — an unattended run may end after synthesis and the audio would never reach the user.

Long Text Handling

Edge-TTS handles long text automatically. For very long content (>5000 chars), the script splits into chunks and concatenates audio files.

Use Cases

  • Morning briefing audio via voice channel
  • Article read-aloud
  • Voice notification delivery
  • Language learning pronunciation