feat: expose MP3_64_KBPS and MULAW for output audio encodings.

Google APIs · copybara-github · commit c2bdbfa6f742 · 2021-03-23T18:46:30.000-07:00
PiperOrigin-RevId: 364696134
diff --git a/google/cloud/dialogflow/v2/audio_config.proto b/google/cloud/dialogflow/v2/audio_config.proto
@@ -358,9 +358,15 @@ enum OutputAudioEncoding {
   // MP3 audio at 32kbps.
   OUTPUT_AUDIO_ENCODING_MP3 = 2;
 
+  // MP3 audio at 64kbps.
+  OUTPUT_AUDIO_ENCODING_MP3_64_KBPS = 4;
+
   // Opus encoded audio wrapped in an ogg container. The result will be a
   // file which can be played natively on Android, and in browsers (at least
   // Chrome and Firefox). The quality of the encoding is considerably higher
   // than MP3 while using approximately the same bitrate.
   OUTPUT_AUDIO_ENCODING_OGG_OPUS = 3;
+
+  // 8-bit samples that compand 14-bit audio samples using G.711 PCMU/mu-law.
+  OUTPUT_AUDIO_ENCODING_MULAW = 5;
 }
