google stt fixes, including defaulting to phone_call model based on c… (#288 )

* google stt fixes, including defaulting to phone_call model based on comparative model testing * lint error
gather defaults to multiple utterances
2026-02-12 09:19:34 +00:00 · 2023-03-28 10:02:03 -04:00 · 2023-03-27 15:53:01 -04:00 · 2023-03-27 14:13:50 -04:00 · 2023-03-26 15:45:20 -04:00 · 2023-03-26 14:52:58 -04:00
11 changed files with 81 additions and 65 deletions
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ Configuration is provided via environment variables:
 |DRACHTIO_PORT| listening port of drachtio server for control connections (typically 9022)|yes|
 |DRACHTIO_SECRET| shared secret|yes|
 |ENABLE_METRICS| if 1, metrics will be generated|no|
+|ENCRYPTION_SECRET| secret for credential encryption(JWT_SECRET is deprecated) |yes|
 |GOOGLE_APPLICATION_CREDENTIALS| path to gcp service key file|yes|
 |HTTP_PORT| tcp port to listen on for API requests from jambonz-api-server|yes|
 |JAMBONES_GATHER_EARLY_HINTS_MATCH| if true and hints are provided, gather will opportunistically review interim transcripts if possible to reduce ASR latency |no|
--- a/app.js
+++ b/app.js
@@ -8,6 +8,7 @@ assert.ok(process.env.DRACHTIO_SECRET, 'missing DRACHTIO_SECRET env var');
 assert.ok(process.env.JAMBONES_FREESWITCH, 'missing JAMBONES_FREESWITCH env var');
 assert.ok(process.env.JAMBONES_REDIS_HOST, 'missing JAMBONES_REDIS_HOST env var');
 assert.ok(process.env.JAMBONES_NETWORK_CIDR || process.env.K8S, 'missing JAMBONES_SUBNET env var');
+assert.ok(process.env.ENCRYPTION_SECRET || process.env.JWT_SECRET, 'missing ENCRYPTION_SECRET env var');

 const Srf = require('drachtio-srf');
 const srf = new Srf();
--- a/lib/session/call-session.js
+++ b/lib/session/call-session.js
@@ -636,7 +636,9 @@ class CallSession extends Emitter {
          return {
            speech_credential_sid: credential.speech_credential_sid,
            client_id: credential.client_id,
-            secret: credential.secret
+            secret: credential.secret,
+            nuance_tts_uri: credential.nuance_tts_uri,
+            nuance_stt_uri: credential.nuance_stt_uri
          };
        }
        else if ('deepgram' === vendor) {
@@ -698,7 +700,7 @@ class CallSession extends Emitter {
        let skip = false;
        this.currentTask = task;
        if (TaskName.Gather === task.name && this.isBotModeEnabled) {
-          if (this.backgroundGatherTask.updateTaskInProgress(task)) {
+          if (this.backgroundGatherTask.updateTaskInProgress(task) !== false) {
            this.logger.info(`CallSession:exec skipping #${stackNum}:${taskNum}: ${task.name}`);
            skip = true;
          }
--- a/lib/tasks/gather.js
+++ b/lib/tasks/gather.js
@@ -70,6 +70,11 @@ class TaskGather extends Task {
      if (this.asrTimeout > 0) this.asrDtmfTerminationDigit = recognizer.asrDtmfTerminationDigit;
      this.isContinuousAsr = this.asrTimeout > 0;

+      if (Array.isArray(this.data.recognizer.hints) &&
+        0 == this.data.recognizer.hints.length && process.env.JAMBONES_GATHER_CLEAR_GLOBAL_HINTS_ON_EMPTY_HINTS) {
+        logger.debug('Gather: an empty hints array was supplied, so we will mask global hints');
+        this.maskGlobalSttHints = true;
+      }
      this.data.recognizer.hints = this.data.recognizer.hints || [];
      this.data.recognizer.altLanguages = this.data.recognizer.altLanguages || [];
    }
@@ -93,12 +98,17 @@ class TaskGather extends Task {
    this._sonioxTranscripts = [];

    this.parentTask = parentTask;
+    this.partialTranscriptsCount = 0;
  }

  get name() { return TaskName.Gather; }

  get needsStt() { return this.input.includes('speech'); }

+  get wantsSingleUtterance() {
+    return this.data.recognizer?.singleUtterance === true;
+  }
+
  get earlyMedia() {
    return (this.sayTask && this.sayTask.earlyMedia) ||
      (this.playTask && this.playTask.earlyMedia);
@@ -125,7 +135,7 @@ class TaskGather extends Task {
    const {updateSpeechCredentialLastUsed} = require('../utils/db-utils')(this.logger, cs.srf);
    const {getNuanceAccessToken, getIbmAccessToken} = cs.srf.locals.dbHelpers;

-    if (cs.hasGlobalSttHints) {
+    if (cs.hasGlobalSttHints && !this.maskGlobalSttHints) {
      const {hints, hintsBoost} = cs.globalSttHints;
      const setOfHints = new Set(this.data.recognizer.hints
        .concat(hints)
@@ -310,6 +320,7 @@ class TaskGather extends Task {
    const {timeout} = opts;
    this.timeout = timeout;
    this._startTimer();
+    return true;
  }

  _onDtmf(cs, ep, evt) {
@@ -550,8 +561,13 @@ class TaskGather extends Task {
    }

    evt = this.normalizeTranscription(evt, this.vendor, 1, this.language);
+    if (evt.alternatives.length === 0) {
+      this.logger.info({evt}, 'TaskGather:_onTranscription - got empty transcript, continue listening');
+      return;
+    }

-    if (this.earlyHintsMatch && evt.is_final === false) {
+    /* fast path: our first partial transcript exactly matches an early hint */
+    if (this.earlyHintsMatch && evt.is_final === false && this.partialTranscriptsCount++ === 0) {
      const transcript = evt.alternatives[0].transcript?.toLowerCase();
      const hints = this.data.recognizer?.hints || [];
      if (hints.find((h) => h.toLowerCase() === transcript)) {
@@ -655,7 +671,16 @@ class TaskGather extends Task {
      this._killAudio(cs);
    }

-    if (!this.resolved && !this.killed && !this._bufferedTranscripts.length) {
+    /**
+     * By default, Gather asks google for multiple utterances.
+     * The reason is that we can sometimes get an 'end_of_utterance' event without
+     * getting a transcription.  This can happen if someone coughs or mumbles.
+     * For that reason don't ask for a single utterance and we'll terminate the transcribe operation
+     * once we get a final transcript.
+     * However, if the usr has specified a singleUtterance, then we need to restart here
+     * since we dont have a final transcript yet.
+     */
+    if (!this.resolved && !this.killed && !this._bufferedTranscripts.length && this.wantsSingleUtterance) {
      this._startTranscribing(ep);
    }
  }
@@ -769,6 +794,10 @@ class TaskGather extends Task {
    if (this.resolved) return;

    this.resolved = true;
+    // Clear dtmf event
+    if (this.dtmfBargein) {
+      this.ep.removeAllListeners('dtmf');
+    }
    clearTimeout(this.interDigitTimer);
    this._clearTimer();

--- a/lib/tasks/transcribe.js
+++ b/lib/tasks/transcribe.js
@@ -259,8 +259,11 @@ class TaskTranscribe extends Task {
    this.logger.debug({evt}, 'TaskTranscribe:_onTranscription - before normalization');

    evt = this.normalizeTranscription(evt, this.vendor, channel, this.language);
-
    this.logger.debug({evt}, 'TaskTranscribe:_onTranscription');
+    if (evt.alternatives.length === 0) {
+      this.logger.info({evt}, 'TaskTranscribe:_onTranscription - got empty transcript, continue listening');
+      return;
+    }

    if (evt.alternatives[0]?.transcript === '' && !cs.callGone && !this.killed) {
      if (['microsoft', 'deepgram'].includes(this.vendor)) {
--- a/lib/utils/db-utils.js
+++ b/lib/utils/db-utils.js
@@ -50,6 +50,8 @@ const speechMapper = (cred) => {
      const o = JSON.parse(decrypt(credential));
      obj.client_id = o.client_id;
      obj.secret = o.secret;
+      obj.nuance_tts_uri = o.nuance_tts_uri;
+      obj.nuance_stt_uri = o.nuance_stt_uri;
    }
    else if ('ibm' === obj.vendor) {
      const o = JSON.parse(decrypt(credential));
--- a/lib/utils/encrypt-decrypt.js
+++ b/lib/utils/encrypt-decrypt.js
@@ -2,9 +2,9 @@ const crypto = require('crypto');
 const algorithm = process.env.LEGACY_CRYPTO ? 'aes-256-ctr' : 'aes-256-cbc';
 const iv = crypto.randomBytes(16);
 const secretKey = crypto.createHash('sha256')
-  .update(String(process.env.JWT_SECRET))
+  .update(process.env.ENCRYPTION_SECRET || process.env.JWT_SECRET)
  .digest('base64')
-  .substr(0, 32);
+  .substring(0, 32);

 const encrypt = (text) => {
  const cipher = crypto.createCipheriv(algorithm, secretKey, iv);
@@ -25,8 +25,8 @@ const decrypt = (data) => {
    throw err;
  }
  const decipher = crypto.createDecipheriv(algorithm, secretKey, Buffer.from(hash.iv, 'hex'));
-  const decrpyted = Buffer.concat([decipher.update(Buffer.from(hash.content, 'hex')), decipher.final()]);
-  return decrpyted.toString();
+  const decrypted = Buffer.concat([decipher.update(Buffer.from(hash.content, 'hex')), decipher.final()]);
+  return decrypted.toString();
 };

 module.exports = {
--- a/lib/utils/transcription-utils.js
+++ b/lib/utils/transcription-utils.js
@@ -1,5 +1,4 @@
 const {
-  TaskName,
  AzureTranscriptionEvents,
  GoogleTranscriptionEvents,
  AwsTranscriptionEvents,
@@ -337,53 +336,35 @@ module.exports = (logger) => {
    if ('google' === vendor) {
      opts = {
        ...opts,
-        ...(sttCredentials &&
-          {GOOGLE_APPLICATION_CREDENTIALS: JSON.stringify(sttCredentials.credentials)}),
-        ...(rOpts.enhancedModel &&
-            {GOOGLE_SPEECH_USE_ENHANCED: 1}),
-        ...(rOpts.separateRecognitionPerChannel &&
-          {GOOGLE_SPEECH_SEPARATE_RECOGNITION_PER_CHANNEL: 1}),
-        ...(rOpts.profanityFilter &&
-          {GOOGLE_SPEECH_PROFANITY_FILTER: 1}),
-        ...(rOpts.punctuation &&
-          {GOOGLE_SPEECH_ENABLE_AUTOMATIC_PUNCTUATION: 1}),
-        ...(rOpts.words &&
-          {GOOGLE_SPEECH_ENABLE_WORD_TIME_OFFSETS: 1}),
-        ...((rOpts.singleUtterance ||  task.name === TaskName.Gather) &&
-          {GOOGLE_SPEECH_SINGLE_UTTERANCE: 1}),
-        ...(rOpts.diarization &&
-          {GOOGLE_SPEECH_SPEAKER_DIARIZATION: 1}),
+        ...(sttCredentials && {GOOGLE_APPLICATION_CREDENTIALS: JSON.stringify(sttCredentials.credentials)}),
+        ...(rOpts.separateRecognitionPerChannel && {GOOGLE_SPEECH_SEPARATE_RECOGNITION_PER_CHANNEL: 1}),
+        ...(rOpts.separateRecognitionPerChanne === false && {GOOGLE_SPEECH_SEPARATE_RECOGNITION_PER_CHANNEL: 0}),
+        ...(rOpts.profanityFilter && {GOOGLE_SPEECH_PROFANITY_FILTER: 1}),
+        ...(rOpts.punctuation && {GOOGLE_SPEECH_ENABLE_AUTOMATIC_PUNCTUATION: 1}),
+        ...(rOpts.words && {GOOGLE_SPEECH_ENABLE_WORD_TIME_OFFSETS: 1}),
+        ...(rOpts.singleUtterance && {GOOGLE_SPEECH_SINGLE_UTTERANCE: 1}),
+        ...(rOpts.diarization && {GOOGLE_SPEECH_SPEAKER_DIARIZATION: 1}),
        ...(rOpts.diarization && rOpts.diarizationMinSpeakers > 0 &&
          {GOOGLE_SPEECH_SPEAKER_DIARIZATION_MIN_SPEAKER_COUNT: rOpts.diarizationMinSpeakers}),
        ...(rOpts.diarization && rOpts.diarizationMaxSpeakers > 0 &&
          {GOOGLE_SPEECH_SPEAKER_DIARIZATION_MAX_SPEAKER_COUNT: rOpts.diarizationMaxSpeakers}),
-        ...(rOpts.enhancedModel === false &&
-          {GOOGLE_SPEECH_USE_ENHANCED: 0}),
-        ...(rOpts.separateRecognitionPerChannel === false &&
-          {GOOGLE_SPEECH_SEPARATE_RECOGNITION_PER_CHANNEL: 0}),
-        ...(rOpts.profanityFilter === false &&
-          {GOOGLE_SPEECH_PROFANITY_FILTER: 0}),
-        ...(rOpts.punctuation === false &&
-          {GOOGLE_SPEECH_ENABLE_AUTOMATIC_PUNCTUATION: 0}),
-        ...(rOpts.words  == false &&
-          {GOOGLE_SPEECH_ENABLE_WORD_TIME_OFFSETS: 0}),
-        ...((rOpts.singleUtterance === false || task.name === TaskName.Transcribe) &&
-          {GOOGLE_SPEECH_SINGLE_UTTERANCE: 0}),
-        ...(rOpts.diarization === false &&
-          {GOOGLE_SPEECH_SPEAKER_DIARIZATION: 0}),
+        ...(rOpts.enhancedModel && {GOOGLE_SPEECH_USE_ENHANCED: 1}),
+        ...(rOpts.profanityFilter === false && {GOOGLE_SPEECH_PROFANITY_FILTER: 0}),
+        ...(rOpts.punctuation === false && {GOOGLE_SPEECH_ENABLE_AUTOMATIC_PUNCTUATION: 0}),
+        ...(rOpts.words  == false && {GOOGLE_SPEECH_ENABLE_WORD_TIME_OFFSETS: 0}),
+        ...(rOpts.diarization === false && {GOOGLE_SPEECH_SPEAKER_DIARIZATION: 0}),
        ...(rOpts.hints.length > 0 && typeof rOpts.hints[0] === 'string' &&
          {GOOGLE_SPEECH_HINTS: rOpts.hints.join(',')}),
        ...(rOpts.hints.length > 0 && typeof rOpts.hints[0] === 'object' &&
          {GOOGLE_SPEECH_HINTS: JSON.stringify(rOpts.hints)}),
-        ...(typeof rOpts.hintsBoost === 'number' &&
-          {GOOGLE_SPEECH_HINTS_BOOST: rOpts.hintsBoost}),
+        ...(typeof rOpts.hintsBoost === 'number' && {GOOGLE_SPEECH_HINTS_BOOST: rOpts.hintsBoost}),
        ...(rOpts.altLanguages.length > 0 &&
-          {GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES: rOpts.altLanguages.join(',')}),
+          {GOOGLE_SPEECH_ALTERNATIVE_LANGUAGE_CODES: [...new Set(rOpts.altLanguages)].join(',')}),
        ...(rOpts.interactionType &&
          {GOOGLE_SPEECH_METADATA_INTERACTION_TYPE: rOpts.interactionType}),
-        ...{GOOGLE_SPEECH_MODEL: rOpts.model || (task.name === TaskName.Gather ? 'latest_short' : 'phone_call')},
-        ...(rOpts.naicsCode > 0 &&
-          {GOOGLE_SPEECH_METADATA_INDUSTRY_NAICS_CODE: rOpts.naicsCode}),
+        ...{GOOGLE_SPEECH_MODEL: rOpts.model || 'phone_call'},
+        ...(rOpts.naicsCode > 0 && {GOOGLE_SPEECH_METADATA_INDUSTRY_NAICS_CODE: rOpts.naicsCode}),
+        GOOGLE_SPEECH_METADATA_RECORDING_DEVICE_TYPE: 'phone_line',
      };
    }
    else if (['aws', 'polly'].includes(vendor)) {
@@ -407,7 +388,7 @@ module.exports = (logger) => {
        ...(rOpts.hints.length > 0 && typeof rOpts.hints[0] === 'object' &&
          {AZURE_SPEECH_HINTS: rOpts.hints.map((h) => h.phrase).join(',')}),
        ...(rOpts.altLanguages && rOpts.altLanguages.length > 0 &&
-          {AZURE_SERVICE_ENDPOINT_ID: rOpts.sttCredentials}),
+          {AZURE_SPEECH_ALTERNATIVE_LANGUAGE_CODES: [...new Set(rOpts.altLanguages)].join(',')}),
        ...(rOpts.requestSnr && {AZURE_REQUEST_SNR: 1}),
        ...(rOpts.profanityOption && {AZURE_PROFANITY_OPTION: rOpts.profanityOption}),
        ...(rOpts.azureServiceEndpoint && {AZURE_SERVICE_ENDPOINT: rOpts.azureServiceEndpoint}),
@@ -432,12 +413,9 @@ module.exports = (logger) => {
      const {nuanceOptions = {}} = rOpts;
      opts = {
        ...opts,
-        ...(sttCredentials.access_token) &&
-          {NUANCE_ACCESS_TOKEN: sttCredentials.access_token},
-        ...(sttCredentials.krypton_endpoint) &&
-          {NUANCE_KRYPTON_ENDPOINT: sttCredentials.krypton_endpoint},
-        ...(nuanceOptions.topic) &&
-          {NUANCE_TOPIC: nuanceOptions.topic},
+        ...(sttCredentials.access_token) && {NUANCE_ACCESS_TOKEN: sttCredentials.access_token},
+        ...(sttCredentials.nuance_stt_uri) && {NUANCE_KRYPTON_ENDPOINT: sttCredentials.nuance_stt_uri},
+        ...(nuanceOptions.topic) && {NUANCE_TOPIC: nuanceOptions.topic},
        ...(nuanceOptions.utteranceDetectionMode) &&
          {NUANCE_UTTERANCE_DETECTION_MODE: nuanceOptions.utteranceDetectionMode},
        ...(nuanceOptions.punctuation || rOpts.punctuation) && {NUANCE_PUNCTUATION: nuanceOptions.punctuation},
@@ -661,7 +639,7 @@ module.exports = (logger) => {
    if (recognizer.vendor === 'nuance') {
      const {clientId, secret, kryptonEndpoint} = recognizer.nuanceOptions || {};
      if (clientId && secret) return {client_id: clientId, secret};
-      if (kryptonEndpoint) return {krypton_endpoint: kryptonEndpoint};
+      if (kryptonEndpoint) return {nuance_stt_uri: kryptonEndpoint};
    }
    else if (recognizer.vendor === 'nvidia') {
      const {rivaUri} = recognizer.nvidiaOptions || {};
--- a/lib/utils/ws-requestor.js
+++ b/lib/utils/ws-requestor.js
@@ -346,7 +346,7 @@ class WsRequestor extends BaseRequestor {

  _recvCommand(msgid, command, call_sid, queueCommand, data) {
    // TODO: validate command
-    //this.logger.debug({msgid, command, call_sid, queueCommand, data}, 'received command');
+    this.logger.debug({msgid, command, call_sid, queueCommand, data}, 'received command');
    this.emit('command', {msgid, command, call_sid, queueCommand, data});
  }
 }
--- a/package-lock.json
+++ b/package-lock.json
@@ -12,7 +12,7 @@
        "@jambonz/db-helpers": "^0.7.4",
        "@jambonz/http-health-check": "^0.0.1",
        "@jambonz/realtimedb-helpers": "^0.7.0",
-        "@jambonz/speech-utils": "^0.0.6",
+        "@jambonz/speech-utils": "^0.0.8",
        "@jambonz/stats-collector": "^0.1.6",
        "@jambonz/time-series": "^0.2.5",
        "@jambonz/verb-specifications": "^0.0.11",
@@ -1633,9 +1633,9 @@
      }
    },
    "node_modules/@jambonz/speech-utils": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/@jambonz/speech-utils/-/speech-utils-0.0.6.tgz",
-      "integrity": "sha512-cZckiUe2tKUB93aXjvZAXSeyuMbLp/fvT4GQqRh5u7BriA/CS2r+hTFMxzSpboNlnni30M/pM0/Jjta6gzFPgw==",
+      "version": "0.0.8",
+      "resolved": "https://registry.npmjs.org/@jambonz/speech-utils/-/speech-utils-0.0.8.tgz",
+      "integrity": "sha512-OuJUk2D1JT1oZlWS7mCFWY3VbNS34MpIRRjwqm/wKTSuzfpvKezXHp4/9eddmuP+mjAC2OwFxphTn08yiApvHQ==",
      "dependencies": {
        "@aws-sdk/client-polly": "^3.276.0",
        "@google-cloud/text-to-speech": "^4.2.0",
@@ -9971,9 +9971,9 @@
      }
    },
    "@jambonz/speech-utils": {
-      "version": "0.0.6",
-      "resolved": "https://registry.npmjs.org/@jambonz/speech-utils/-/speech-utils-0.0.6.tgz",
-      "integrity": "sha512-cZckiUe2tKUB93aXjvZAXSeyuMbLp/fvT4GQqRh5u7BriA/CS2r+hTFMxzSpboNlnni30M/pM0/Jjta6gzFPgw==",
+      "version": "0.0.8",
+      "resolved": "https://registry.npmjs.org/@jambonz/speech-utils/-/speech-utils-0.0.8.tgz",
+      "integrity": "sha512-OuJUk2D1JT1oZlWS7mCFWY3VbNS34MpIRRjwqm/wKTSuzfpvKezXHp4/9eddmuP+mjAC2OwFxphTn08yiApvHQ==",
      "requires": {
        "@aws-sdk/client-polly": "^3.276.0",
        "@google-cloud/text-to-speech": "^4.2.0",
--- a/package.json
+++ b/package.json
@@ -19,7 +19,7 @@
  "bugs": {},
  "scripts": {
    "start": "node app",
-    "test": "NODE_ENV=test JAMBONES_HOSTING=1 HTTP_POOL=1 DRACHTIO_HOST=127.0.0.1 DRACHTIO_PORT=9060 DRACHTIO_SECRET=cymru JAMBONES_MYSQL_HOST=127.0.0.1 JAMBONES_MYSQL_PORT=3360 JAMBONES_MYSQL_USER=jambones_test JAMBONES_MYSQL_PASSWORD=jambones_test JAMBONES_MYSQL_DATABASE=jambones_test JAMBONES_REDIS_HOST=127.0.0.1 JAMBONES_REDIS_PORT=16379 JAMBONES_LOGLEVEL=error ENABLE_METRICS=0 HTTP_PORT=3000 JAMBONES_SBCS=172.38.0.10 JAMBONES_FREESWITCH=127.0.0.1:8022:JambonzR0ck$:docker-host JAMBONES_TIME_SERIES_HOST=127.0.0.1 JAMBONES_NETWORK_CIDR=172.38.0.0/16 node test/ ",
+    "test": "NODE_ENV=test JAMBONES_HOSTING=1 HTTP_POOL=1 ENCRYPTION_SECRET=foobar DRACHTIO_HOST=127.0.0.1 DRACHTIO_PORT=9060 DRACHTIO_SECRET=cymru JAMBONES_MYSQL_HOST=127.0.0.1 JAMBONES_MYSQL_PORT=3360 JAMBONES_MYSQL_USER=jambones_test JAMBONES_MYSQL_PASSWORD=jambones_test JAMBONES_MYSQL_DATABASE=jambones_test JAMBONES_REDIS_HOST=127.0.0.1 JAMBONES_REDIS_PORT=16379 JAMBONES_LOGLEVEL=error ENABLE_METRICS=0 HTTP_PORT=3000 JAMBONES_SBCS=172.38.0.10 JAMBONES_FREESWITCH=127.0.0.1:8022:JambonzR0ck$:docker-host JAMBONES_TIME_SERIES_HOST=127.0.0.1 JAMBONES_NETWORK_CIDR=172.38.0.0/16 node test/ ",
    "coverage": "./node_modules/.bin/nyc --reporter html --report-dir ./coverage npm run test",
    "jslint": "eslint app.js lib"
  },
@@ -27,7 +27,7 @@
    "@jambonz/db-helpers": "^0.7.4",
    "@jambonz/http-health-check": "^0.0.1",
    "@jambonz/realtimedb-helpers": "^0.7.0",
-    "@jambonz/speech-utils": "^0.0.6",
+    "@jambonz/speech-utils": "^0.0.8",
    "@jambonz/stats-collector": "^0.1.6",
    "@jambonz/time-series": "^0.2.5",
    "@jambonz/verb-specifications": "^0.0.11",
Author	SHA1	Message	Date
Dave Horton	6e945dde9a	google stt fixes, including defaulting to phone_call model based on c… (#288 ) * google stt fixes, including defaulting to phone_call model based on comparative model testing * lint error	2023-03-28 10:02:03 -04:00
Dave Horton	efdea3e514	gather defaults to multiple utterances	2023-03-27 15:53:01 -04:00
Dave Horton	5131d524ce	bugfix: allow for empty transcripts that nuance returns	2023-03-27 14:13:50 -04:00
Anton Voylenko	c0114015ea	check encryption env on start (#286 )	2023-03-26 15:45:20 -04:00
Anton Voylenko	a293ec09d0	add ENCRYPTION_SECRET variable (#283 ) * add ENCRYPTION_SECRET variable * add env for tests	2023-03-26 14:52:58 -04:00
Dave Horton	f71ae83ce4	bugfix: nuance on-prem stt	2023-03-26 14:26:36 -04:00
Hoan Luu Huu	0dd161913c	fix: gather task should clear dtmf event before resolve (#284 ) Co-authored-by: Quan HL <quanluuhoang8@gmail.com>	2023-03-26 12:32:51 -04:00
Dave Horton	63ab554908	google STT: default to command_and_search for Gather, as latest_short seems to have issues, various other fixes (#285 )	2023-03-26 12:20:03 -04:00
Dave Horton	e1bd075ebc	support for nuance on-prem stt/tts	2023-03-25 12:08:54 -04:00
Dave Horton	9de89258a1	update speech-utils@0.0.8	2023-03-24 14:50:08 -04:00
Dave Horton	145ed488db	make the feature committed in `dd4d9aa` enabled only if JAMBONES_GATHER_CLEAR_GLOBAL_HINTS_ON_EMPTY_HINTS is set, as it is a behavior change	2023-03-23 07:54:39 -04:00
Dave Horton	c06a43adfa	Gather: bugfix for alternate languages with Azure	2023-03-22 14:32:25 -04:00
Dave Horton	bebc82d194	bugfix: gather with google STT does not need to restart transcribing after end of utterance	2023-03-21 15:46:00 -04:00
Dave Horton	cdc82e99ff	add minor logging	2023-03-21 12:35:02 -04:00
Dave Horton	dd4d9aa261	Gather: if an empty array of hints are supplied, this signals we should mask global hints for this collection	2023-03-21 12:16:12 -04:00