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changes to support elevenlabs tts streaming

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This commit is contained in:
Dave Horton
2024-01-21 21:36:53 -05:00
parent dabdb5b584
commit 7e21e0b666
1 changed files with 22 additions and 7 deletions
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lib/synth-audio.js
+22 -7
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@@ -194,16 +194,12 @@ async function synthAudio(client, logger, stats, { account_sid,
audioBuffer = await synthWellSaid(logger, {credentials, stats, language, voice, text, filePath});
break;
case 'elevenlabs':
if (process.env.JAMBONES_ELEVENLABS_STREAMING) {
return {
filePath: `say:${text}`,
servedFromCache: false,
rtt: 0
};
audioBuffer = await synthElevenlabs(logger, {credentials, options, stats, language, voice, text, filePath});
if (typeof audioBuffer === 'object' && audioBuffer.filePath) {
return audioBuffer;
}
else {
audioBuffer = await synthElevenlabs(logger, {credentials, options, stats, language, voice, text, filePath});
}
break;
case 'whisper':
@@ -607,6 +603,25 @@ const synthCustomVendor = async(logger, {credentials, stats, language, voice, te
const synthElevenlabs = async(logger, {credentials, options, stats, language, voice, text}) => {
const {api_key, model_id, options: credOpts} = credentials;
const opts = !!options && Object.keys(options).length !== 0 ? options : JSON.parse(credOpts || '{}');
if (process.env.JAMBONES_ELEVENLABS_STREAMING) {
let params = '';
params += `{api_key=${api_key}`;
params += `,model_id=${model_id}`;
params += `,optimize_streaming_latency=${opts.optimize_streaming_latency || 2}`;
if (opts.voice_settings?.similarity_boost) params += `,similarity_boost=${opts.voice_settings.similarity_boost}`;
if (opts.voice_settings?.stability) params += `,stability=${opts.voice_settings.stability}`;
if (opts.voice_settings?.style) params += `,style=${opts.voice_settings.style}`;
if (opts.voice_settings?.use_speaker_boost === false) params += ',use_speaker_boost=false';
params += '}';
return {
filePath: `say:${params}${text.replace(/\n/g, ' ')}`,
servedFromCache: false,
rtt: 0
};
}
const optimize_streaming_latency = opts.optimize_streaming_latency ?
`?optimize_streaming_latency=${opts.optimize_streaming_latency}` : '';
try {