• What is Chime TTS?
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Home Assistant allows audio files and Text-To-Speech (TTS) audio messages to be played on speakers around your home. While TTS messages are a great way to provide real-time updates, by the time you realize a message is playing, you've missed the start of the message.

It makes sense to add a notification chime before the TTS audio, but in practice this introduces a delay between the two, caused by latency from network requests to the cloud TTS platform and latency from audio processing & networking before playback begins on the speakers.

Chime TTS is a custom Home Assistant integration that solves this issue by stitching these audio files together. Chime TTS generates a single audio file locally on your Home Assistant device, and plays it to your speakers in a single event, eliminating any lag.

Chime TTS offers various features that enhance TTS audio playback experience:

• No lag or timing issues: Precise timing between audio files without cloud TTS delays.
• Customizable audio cues: Play preset or custom audio before and after TTS messages.
• Flexible TTS platform selection: Supports various TTS platform integrations.
• Easy service invocation: Use the 'chime_tts.say' service in automations and scripts.
• Set media player notification volume: Restore volume after playback.
• Configurable TTS playback speed: Set the TTS audio speed anywhere from 100-200%.
• Configurable delay: Set custom delays between audio and TTS.
• Caching: Cache audio for faster playback.
• Speaker Groups: Group speakers for simultaneous playback.

Follow these easy steps to get started with Chime TTS:

1. Installation - Quickly install Chime TTS via HACS or manually.
2. Add the Integration - Add Chime TTS to your Home Assistant instance.

Chime TTS adds two new services to your Home Assistant instance: chime_tts.say and chime_tts.clear_cache. Discover how you can use these services and the features they offer:

• chime_tts.say: Play audio and TTS messages with various settings.
• chime_tts.clear_cache: Clear generated audio cache.

For questions, suggestions, and community discussion about Chime TTS, visit our Community Forum.

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