Uncompressed 16-bit signed little-endian samples (Linear PCM).
Audio content returned as LINEAR16 also contains a WAV header.
Mp3
MP3 audio at 32kbps.
Mp364Kbps
MP3 audio at 64kbps.
Mulaw
8-bit samples that compand 14-bit audio samples using G.711 PCMU/mu-law.
OggOpus
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.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe latest version available for \u003ccode\u003eGoogle.Cloud.Dialogflow.V2.OutputAudioEncoding\u003c/code\u003e is 4.26.0, with a history of versions back to 3.2.0.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eOutputAudioEncoding\u003c/code\u003e is an enum representing the audio encoding format used in Text-To-Speech.\u003c/p\u003e\n"],["\u003cp\u003eThe supported audio encoding formats include \u003ccode\u003eLinear16\u003c/code\u003e, \u003ccode\u003eMp3\u003c/code\u003e, \u003ccode\u003eMp364Kbps\u003c/code\u003e, \u003ccode\u003eMulaw\u003c/code\u003e, \u003ccode\u003eOggOpus\u003c/code\u003e, and \u003ccode\u003eUnspecified\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eEach audio encoding option offers different compression levels and quality, such as \u003ccode\u003eLinear16\u003c/code\u003e being uncompressed and \u003ccode\u003eOggOpus\u003c/code\u003e offering higher quality at similar bitrates to MP3.\u003c/p\u003e\n"],["\u003cp\u003eThe namespace for \u003ccode\u003eOutputAudioEncoding\u003c/code\u003e is \u003ccode\u003eGoogle.Cloud.Dialogflow.V2\u003c/code\u003e and is found within the \u003ccode\u003eGoogle.Cloud.Dialogflow.V2.dll\u003c/code\u003e assembly.\u003c/p\u003e\n"]]],[],null,[]]
