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add vad

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This commit is contained in:
akirilyuk
2022-02-15 13:55:18 +01:00
parent a11822609f
commit 4855fec4f5
1 changed files with 9 additions and 1 deletions
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10
lib/tasks/gather.js
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@@ -44,6 +44,10 @@ class TaskGather extends Task {
this.profanityOption = recognizer.profanityOption || 'raw'; this.profanityOption = recognizer.profanityOption || 'raw';
this.requestSnr = recognizer.requestSnr || false; this.requestSnr = recognizer.requestSnr || false;
this.initialSpeechTimeoutMs = recognizer.initialSpeechTimeoutMs || 0; this.initialSpeechTimeoutMs = recognizer.initialSpeechTimeoutMs || 0;
/* vad: if provided, we dont connect to recognizer until voice activity is detected */
const {enable, voiceMs = 0, mode = -1} = recognizer.vad || {};
this.vad = {enable, voiceMs, mode};
} }
this.digitBuffer = ''; this.digitBuffer = '';
@@ -197,7 +201,11 @@ class TaskGather extends Task {
async _initSpeech(cs, ep) { async _initSpeech(cs, ep) {
const opts = {}; const opts = {};
if (this.vad.enable) {
opts.START_RECOGNIZING_ON_VAD = 1;
if (this.vad.voiceMs) opts.RECOGNIZER_VAD_VOICE_MS = this.vad.voiceMs;
if (this.vad.mode >= 0 && this.vad.mode <= 3) opts.RECOGNIZER_VAD_MODE = this.vad.mode;
}
if ('google' === this.vendor) { if ('google' === this.vendor) {
if (this.sttCredentials) opts.GOOGLE_APPLICATION_CREDENTIALS = JSON.stringify(this.sttCredentials.credentials); if (this.sttCredentials) opts.GOOGLE_APPLICATION_CREDENTIALS = JSON.stringify(this.sttCredentials.credentials);
Object.assign(opts, { Object.assign(opts, {