support caching tts audio with model/model_id (#1062)

* support caching tts audio with model/model_id

* update speech utils version

lib/tasks/say.js

@@ -240,6 +240,7 @@ class TaskSay extends TtsTask {
                 language,
                 voice,
                 engine,
+                model: this.model || this.model_id,
                 text
               }).catch((err) => this.logger.info({err}, 'Error adding file to cache'));
             }

lib/tasks/tts-task.js

@@ -143,16 +143,16 @@ class TtsTask extends Task {
         `No text-to-speech service credentials for ${vendor} with labels: ${label} have been configured`);
     }
     /* parse Nuance voices into name and model */
-    let model;
     if (vendor === 'nuance' && voice) {
       const arr = /([A-Za-z-]*)\s+-\s+(enhanced|standard)/.exec(voice);
       if (arr) {
         voice = arr[1];
-        model = arr[2];
+        this.model = arr[2];
       }
     } else if (vendor === 'deepgram') {
-      model = voice;
+      this.model = voice;
     }
+    this.model_id = credentials.model_id;
 
     /* allow for microsoft custom region voice and api_key to be specified as an override */
     if (vendor === 'microsoft' && this.options.deploymentId) {
@@ -215,7 +215,8 @@ class TtsTask extends Task {
     // If vendor is changed from the previous one, then reset the cache_speech_handles flag
     //cs.currentTtsVendor = vendor;
 
-    if (!preCache && !this._disableTracing) this.logger.info({vendor, language, voice, model}, 'TaskSay:exec');
+    if (!preCache && !this._disableTracing)
+      this.logger.info({vendor, language, voice, model: this.model}, 'TaskSay:exec');
     try {
       if (!credentials) {
         writeAlerts({
@@ -250,7 +251,7 @@ class TtsTask extends Task {
             language,
             voice,
             engine,
-            model,
+            model: this.model,
             salt,
             credentials,
             options: this.options,