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perf(hermes-voice): reduce conversational latency

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This commit is contained in:
jenkins 2026-08-23 16:50:48 -03:00
parent cb5cf6ea12
commit 0f9b43c8ba
2 changed files with 11 additions and 4 deletions
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11
dockerfiles/hermes-webui-atlas-voice.js
View File

@ -252,7 +252,7 @@
// intermittently unreadable by ffmpeg. A bounded 90-second Opus capture // intermittently unreadable by ffmpeg. A bounded 90-second Opus capture
// is small enough to retain as one browser-owned recording. // is small enough to retain as one browser-owned recording.
recorder.start(); recorder.start();
const silenceMs=Math.max(900,parseInt(localStorage.getItem('hermes-voice-silence-ms')||'1600',10)||1600); const silenceMs=Math.max(900,parseInt(localStorage.getItem('hermes-voice-silence-ms')||'1100',10)||1100);
vadTimer=window.setInterval(function(){ vadTimer=window.setInterval(function(){
if(!active||token!==generation||!recorder||recorder.state==='inactive') return; if(!active||token!==generation||!recorder||recorder.state==='inactive') return;
analyser.getByteTimeDomainData(samples); analyser.getByteTimeDomainData(samples);
@ -349,7 +349,7 @@
setState('speaking'); setState('speaking');
// Shorter first chunks lower time-to-first-audio; the next chunk is // Shorter first chunks lower time-to-first-audio; the next chunk is
// synthesized while the current one plays. // synthesized while the current one plays.
const chunks=typeof window._splitForTTS==='function'?window._splitForTTS(text,160):[text]; const chunks=typeof window._splitForTTS==='function'?window._splitForTTS(text,80):[text];
try{ try{
let pending=fetchSpeech(chunks[0],language); let pending=fetchSpeech(chunks[0],language);
for(let index=0;index<chunks.length;index+=1){ for(let index=0;index<chunks.length;index+=1){
@ -399,7 +399,12 @@
localStorage.setItem('hermes-voice-mode-button','true'); localStorage.setItem('hermes-voice-mode-button','true');
localStorage.setItem('hermes-tts-engine','atlas'); localStorage.setItem('hermes-tts-engine','atlas');
localStorage.setItem('hermes-tts-enabled','true'); localStorage.setItem('hermes-tts-enabled','true');
localStorage.setItem('hermes-voice-silence-ms','1600'); }
// Move existing installations to the lower-latency silence window once;
// subsequent user changes remain untouched.
if(localStorage.getItem('hermes-atlas-voice-latency-v2')!=='1'){
localStorage.setItem('hermes-atlas-voice-latency-v2','1');
localStorage.setItem('hermes-voice-silence-ms','1100');
} }
const selector=document.getElementById('settingsTtsEngine'); const selector=document.getElementById('settingsTtsEngine');
if(selector&&!selector.querySelector('option[value="atlas"]')){ if(selector&&!selector.querySelector('option[value="atlas"]')){

4
testing/tests/test_hermes_chat_quality.py
View File

@ -342,7 +342,9 @@ def test_chat_voice_uses_private_jetson_services_and_shared_auto_route():
assert "/api/transcribe" in voice_script assert "/api/transcribe" in voice_script
assert "/api/tts" in voice_script assert "/api/tts" in voice_script
assert "speakResponse(generation)" in voice_script assert "speakResponse(generation)" in voice_script
assert "window._splitForTTS(text,160)" in voice_script assert "window._splitForTTS(text,80)" in voice_script
assert "hermes-atlas-voice-latency-v2" in voice_script
assert "hermes-voice-silence-ms','1100'" in voice_script
assert "pending=fetchSpeech(chunks[index+1],language)" in voice_script assert "pending=fetchSpeech(chunks[index+1],language)" in voice_script
assert "restartSoon(token,450)" in voice_script assert "restartSoon(token,450)" in voice_script
assert "constraints.voiceIsolation=true" in voice_script assert "constraints.voiceIsolation=true" in voice_script