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support stt latency metrics (#1252)

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* support stt latency metrics

* wip

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* enable stt latency calculator by config verb

* wip

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* fix jslint

* fixed gather timeout does not have latency calculation

* upadte verb specification to use notifySttLatency

* move stt latency metric from call session to stt-latency calculator

* wip
This commit is contained in:
Hoan Luu Huu
2025-07-29 20:56:37 +07:00
committed by GitHub
parent 5886d1d945
commit 158d9d7d25
8 changed files with 356 additions and 37 deletions
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16
lib/tasks/config.js
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@@ -24,6 +24,9 @@ class TaskConfig extends Task {
if ('notifyEvents' in this.data) {
this.notifyEvents = !!this.data.notifyEvents;
}
if (this.hasNotifySttLatency) {
this.notifySttLatency = !!this.data.notifySttLatency;
}
if (this.bargeIn.enable) {
this.gatherOpts = {
@@ -83,6 +86,7 @@ class TaskConfig extends Task {
get hasVad() { return Object.keys(this.vad).length; }
get hasFillerNoise() { return Object.keys(this.fillerNoise).length; }
get hasReferHook() { return Object.keys(this.data).includes('referHook'); }
get hasNotifySttLatency() { return Object.keys(this.data).includes('notifySttLatency'); }
get hasTtsStream() { return Object.keys(this.ttsStream).length; }
get summary() {
@@ -112,6 +116,8 @@ class TaskConfig extends Task {
if (this.hasFillerNoise) phrase.push(`fillerNoise ${this.fillerNoise.enable ? 'on' : 'off'}`);
if (this.data.amd) phrase.push('enable amd');
if (this.notifyEvents) phrase.push(`event notification ${this.notifyEvents ? 'on' : 'off'}`);
if (this.hasNotifySttLatency) phrase.push(
`notifySttLatency ${this.notifySttLatency ? 'on' : 'off'}`);
if (this.onHoldMusic) phrase.push(`onHoldMusic: ${this.onHoldMusic}`);
if ('boostAudioSignal' in this.data) phrase.push(`setGain ${this.data.boostAudioSignal}`);
if (this.hasReferHook) phrase.push('set referHook');
@@ -130,6 +136,11 @@ class TaskConfig extends Task {
cs.notifyEvents = !!this.data.notifyEvents;
}
if (this.hasNotifySttLatency) {
this.logger.debug(`turning notifySttLatency ${this.notifySttLatency ? 'on' : 'off'}`);
cs.notifySttLatencyEnabled = this.notifySttLatency;
}
if (this.onHoldMusic) {
cs.onHoldMusic = this.onHoldMusic;
}
@@ -318,7 +329,10 @@ class TaskConfig extends Task {
voiceMs: this.vad.voiceMs || 250,
silenceMs: this.vad.silenceMs || 150,
strategy: this.vad.strategy || 'one-shot',
mode: (this.vad.mode !== undefined && this.vad.mode !== null) ? this.vad.mode : 2
mode: (this.vad.mode !== undefined && this.vad.mode !== null) ? this.vad.mode : 2,
vendor: this.vad.vendor || 'silero',
threshold: this.vad.threshold || 0.5,
speechPadMs: this.vad.speechPadMs || 30,
};
}