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handle altLanguages set at the session level via config verb; fix azure stt race condition with final transcripts from stopped recognition

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This commit is contained in:
Dave Horton
2022-08-25 22:43:38 +02:00
parent 127432f2ec
commit 887c6243e2
4 changed files with 54 additions and 9 deletions
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4
lib/tasks/config.js
View File

@@ -94,6 +94,10 @@ class TaskConfig extends Task {
}
cs.globalSttHints = obj;
}
if (Array.isArray(this.recognizer.altLanguages)) {
this.logger.info({altLanguages: this.recognizer.altLanguages}, 'Config: updated altLanguages');
cs.altLanguages = this.recognizer.altLanguages;
}
this.logger.info({
recognizer: this.recognizer,
isContinuousAsr: cs.isContinuousAsr

35
lib/tasks/gather.js
View File

@@ -141,6 +141,11 @@ class TaskGather extends Task {
this.logger.debug({hints: this.hints, hintsBoost: this.hintsBoost},
'Gather:exec - applying global sttHints');
}
if (cs.hasAltLanguages) {
this.altLanguages = this.altLanguages.concat(cs.altLanguages);
this.logger.debug({altLanguages: this.altLanguages},
'Gather:exec - applying altLanguages');
}
if (!this.isContinuousAsr && cs.isContinuousAsr) {
this.isContinuousAsr = true;
this.asrTimeout = cs.asrTimeout * 1000;
@@ -312,7 +317,8 @@ class TaskGather extends Task {
opts.GOOGLE_SPEECH_HINTS_BOOST = this.hintsBoost;
}
}
if (this.altLanguages.length > 1) opts.GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = this.altLanguages.join(',');
if (this.altLanguages.length > 0) opts.GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = this.altLanguages.join(',');
else opts.GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = '';
if ('unspecified' !== this.interactionType) {
opts.GOOGLE_SPEECH_METADATA_INTERACTION_TYPE = this.interactionType;
}
@@ -359,6 +365,9 @@ class TaskGather extends Task {
if (this.altLanguages && this.altLanguages.length > 0) {
opts.AZURE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = this.altLanguages.join(',');
}
else {
opts.AZURE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = '';
}
if (this.requestSnr) opts.AZURE_REQUEST_SNR = 1;
if (this.profanityOption && this.profanityOption !== 'raw') opts.AZURE_PROFANITY_OPTION = this.profanityOption;
if (this.azureServiceEndpoint) opts.AZURE_SERVICE_ENDPOINT = this.azureServiceEndpoint;
@@ -468,6 +477,7 @@ class TaskGather extends Task {
_onTranscription(cs, ep, evt, fsEvent) {
// make sure this is not a transcript from answering machine detection
const bugname = fsEvent.getHeader('media-bugname');
const finished = fsEvent.getHeader('transcription-session-finished');
if (bugname && this.bugname !== bugname) return;
if ('aws' === this.vendor && Array.isArray(evt) && evt.length > 0) evt = evt[0];
@@ -509,8 +519,14 @@ class TaskGather extends Task {
if (evt.is_final) {
if (evt.alternatives[0].transcript === '' && !this.callSession.callGone && !this.killed) {
this.logger.info({evt}, 'TaskGather:_onTranscription - got empty transcript, listen again');
return this._startTranscribing(ep);
if ('microsoft' === this.vendor && finished === 'true') {
this.logger.debug({evt}, 'TaskGather:_onTranscription - got empty transcript from old gather, disregarding');
}
else {
this.logger.info({evt}, 'TaskGather:_onTranscription - got empty transcript, listen again');
this._startTranscribing(ep);
}
return;
}
if (this.isContinuousAsr) {
/* append the transcript and start listening again for asrTimeout */
@@ -586,10 +602,17 @@ class TaskGather extends Task {
}
}
_onNoSpeechDetected(cs, ep) {
_onNoSpeechDetected(cs, ep, evt, fsEvent) {
if (!this.callSession.callGone && !this.killed) {
this.logger.debug('TaskGather:_onNoSpeechDetected - listen again');
return this._startTranscribing(ep);
const finished = fsEvent.getHeader('transcription-session-finished');
if (this.vendor === 'microsoft' && finished === 'true') {
this.logger.debug('TaskGather:_onNoSpeechDetected for old gather, ignoring');
}
else {
this.logger.debug('TaskGather:_onNoSpeechDetected - listen again');
this._startTranscribing(ep);
}
return;
}
}

11
lib/tasks/transcribe.js
View File

@@ -69,6 +69,11 @@ class TaskTranscribe extends Task {
this.logger.debug({hints: this.hints, hintsBoost: this.hintsBoost},
'Transcribe:exec - applying global `sttHints');
}
if (cs.hasAltLanguages) {
this.altLanguages = this.altLanguages.concat(cs.altLanguages);
this.logger.debug({altLanguages: this.altLanguages},
'Gather:exec - applying altLanguages');
}
this.ep = ep;
this.ep2 = ep2;
@@ -172,7 +177,8 @@ class TaskTranscribe extends Task {
opts.GOOGLE_SPEECH_HINTS_BOOST = this.hintsBoost;
}
}
if (this.altLanguages.length > 1) opts.GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = this.altLanguages.join(',');
if (this.altLanguages.length > 0) opts.GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = this.altLanguages.join(',');
else opts.GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = '';
if ('unspecified' !== this.interactionType) {
opts.GOOGLE_SPEECH_METADATA_INTERACTION_TYPE = this.interactionType;
}
@@ -229,7 +235,8 @@ class TaskTranscribe extends Task {
if (this.hints && this.hints.length > 0) {
opts.AZURE_SPEECH_HINTS = this.hints.map((h) => h.trim()).join(',');
}
if (this.altLanguages.length > 1) opts.AZURE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = this.altLanguages.join(',');
if (this.altLanguages.length > 0) opts.AZURE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = this.altLanguages.join(',');
else opts.AZURE_SPEECH_ALTERNATIVE_LANGUAGE_CODES = '';
if (this.requestSnr) opts.AZURE_REQUEST_SNR = 1;
if (this.profanityOption !== 'raw') opts.AZURE_PROFANITY_OPTION = this.profanityOption;
if (this.initialSpeechTimeoutMs > 0) opts.AZURE_INITIAL_SPEECH_TIMEOUT_MS = this.initialSpeechTimeoutMs;