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fix: ASR hallucination on ending silence #115

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merged 1 commit into from
Dec 26, 2024
Merged

fix: ASR hallucination on ending silence #115

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6 changes: 4 additions & 2 deletions src/lib/components/session/ParticipantView.svelte
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Original file line number Diff line number Diff line change
Expand Up @@ -215,7 +215,8 @@

await pInitFFmpeg;
console.log('Audio recorded:', audio);
const wav = float32ArrayToWav(audio);
// remove last 8000 samples (0.5s)
const wav = float32ArrayToWav(audio.slice(0, -8000));
console.log('Audio converted to wav:', wav);
const mp3 = await wav2mp3(wav);
console.log('Audio converted to mp3:', mp3);
Expand Down Expand Up @@ -376,7 +377,8 @@

await pInitFFmpeg;
console.log('Audio recorded:', audio);
const wav = float32ArrayToWav(audio);
// remove last 8000 samples (0.5s)
const wav = float32ArrayToWav(audio.slice(0, -8000));
console.log('Audio converted to wav:', wav);
const mp3 = await wav2mp3(wav);
console.log('Audio converted to mp3:', mp3);
Expand Down
2 changes: 1 addition & 1 deletion src/lib/stt/gemini.ts
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Expand Up @@ -17,5 +17,5 @@ export async function transcribe(data: Buffer): Promise<string> {
throw new Error('Failed to transcribe audio');
}

return output.transcription;
return output.transcription.replace(/[嗶.…]+$/g, '');
}
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