feat: add optional pipeline ended sound#267
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Play a short audio cue when the voice pipeline ends without a TTS response (e.g. no speech detected after wake word, or session timeout). Disabled by default — set PIPELINE_ENDED_SOUND or --pipeline-ended-sound to enable. A default sound file (sounds/pipeline_ended.wav) is included: a short descending two-tone that signals the session has ended.
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florian-asche
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any interest in this one? |
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The wav file, where is that from? Asking regarding possible license problems! |
florian-asche
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Mar 30, 2026
| # PROCESSING_SOUND="sounds/processing.wav" | ||
| # MUTE_SOUND="sounds/mute_switch_on.flac" | ||
| # UNMUTE_SOUND="sounds/mute_switch_off.flac" | ||
| # PIPELINE_ENDED_SOUND="sounds/pipeline_ended.wav" |
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Can you please also document this in the docs from the docs directory?
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Sorry will pick this up again.. the .wav was generated locally using tools under the direction of Claude code. |
Removed mention of 'Disabled by default' from help text.
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Documentation in docs is still needed to be able to merge this PR. |
Adds the new --pipeline-ended-sound CLI flag and PIPELINE_ENDED_SOUND environment variable to the README parameter table and the install_application docs (systemd service example + env reference). Co-Authored-By: Claude Opus 4.7 (1M context) <[email protected]>
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Summary
PIPELINE_ENDED_SOUND="sounds/pipeline_ended.wav"in.envor--pipeline-ended-soundCLI argsounds/pipeline_ended.wav)Motivation
When using the voice assistant, there's no audio feedback when the pipeline ends without producing a response. The user says the wake word, the assistant starts listening, but if no speech is detected the session silently ends. This can be confusing — the user doesn't know if the assistant is still listening or has given up.
Changes
linux_voice_assistant/__main__.py— new--pipeline-ended-soundargument (default empty = disabled)linux_voice_assistant/models.py—pipeline_ended_soundfield onServerStatelinux_voice_assistant/satellite.py— play sound in_tts_finished()when pipeline ends without TTS.env.example— document the newPIPELINE_ENDED_SOUNDoptionsounds/pipeline_ended.wav— 0.28s 16kHz mono descending two-toneTest plan
PIPELINE_ENDED_SOUND="sounds/pipeline_ended.wav"and verify sound plays on timeout