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session-level speech hints, strip trailing punctuation on continuous asr (#151)

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This commit is contained in:
Dave Horton
2022-08-18 23:18:24 +02:00
committed by GitHub
parent 5b6f7dd3ee
commit 6346954e7a
4 changed files with 48 additions and 4 deletions
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20
lib/tasks/gather.js
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@@ -121,6 +121,13 @@ class TaskGather extends Task {
await super.exec(cs);
const {updateSpeechCredentialLastUsed} = require('../utils/db-utils')(this.logger, cs.srf);
if (cs.hasGlobalSttHints) {
const {hints, hintsBoost} = cs.globalSttHints;
this.hints = this.hints.concat(hints);
if (!this.hintsBoost && hintsBoost) this.hintsBoost = hintsBoost;
this.logger.debug({hints: this.hints, hintsBoost: this.hintsBoost},
'Gather:exec - applying global sttHints');
}
if (!this.isContinuousAsr && cs.isContinuousAsr) {
this.isContinuousAsr = true;
this.asrTimeout = cs.asrTimeout * 1000;
@@ -286,7 +293,7 @@ class TaskGather extends Task {
].forEach((arr) => {
if (this[arr[0]]) opts[arr[1]] = true;
});
if (this.hints.length > 1) {
if (this.hints.length > 0) {
opts.GOOGLE_SPEECH_HINTS = this.hints.join(',');
if (typeof this.hintsBoost === 'number') {
opts.GOOGLE_SPEECH_HINTS_BOOST = this.hintsBoost;
@@ -333,7 +340,7 @@ class TaskGather extends Task {
'AZURE_REGION': this.sttCredentials.region
});
}
if (this.hints && this.hints.length > 1) {
if (this.hints && this.hints.length > 0) {
opts.AZURE_SPEECH_HINTS = this.hints.map((h) => h.trim()).join(',');
}
if (this.altLanguages && this.altLanguages.length > 0) {
@@ -487,6 +494,15 @@ class TaskGather extends Task {
}
if (this.isContinuousAsr) {
/* append the transcript and start listening again for asrTimeout */
const t = evt.alternatives[0].transcript;
if (t) {
/* remove trailing punctuation */
if (/[,;:\.!\?]$/.test(t)) {
this.logger.debug('TaskGather:_onTranscription - removing trailing punctuation');
evt.alternatives[0].transcript = t.slice(0, -1);
}
else this.logger.debug({t}, 'TaskGather:_onTranscription - no trailing punctuation');
}
this.logger.info({evt}, 'TaskGather:_onTranscription - got transcript during continous asr');
this._bufferedTranscripts.push(evt);
this._clearTimer();