For scenarios where the synthesized audio is downloadable and can be
reused. For example, the synthesized audio is downloaded, stored in
customer service system and played repeatedly.
Realtime
For scenarios where the synthesized audio is not downloadable and can
only be used once. For example, real-time request in IVR system.
Unspecified
Request with reported usage unspecified will be rejected.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 \u003ccode\u003eCustomVoiceParams.Types.ReportedUsage\u003c/code\u003e enum in the Google Cloud Text-to-Speech v1 API defines the usage context of synthesized audio.\u003c/p\u003e\n"],["\u003cp\u003eThis enum is deprecated, and usage does not influence billing.\u003c/p\u003e\n"],["\u003cp\u003eThe enum includes three possible values: \u003ccode\u003eOffline\u003c/code\u003e for downloadable and reusable audio, \u003ccode\u003eRealtime\u003c/code\u003e for non-downloadable and single-use audio, and \u003ccode\u003eUnspecified\u003c/code\u003e which will cause requests to be rejected.\u003c/p\u003e\n"],["\u003cp\u003eThe reference documentation provides information on multiple versions of the API, with version 3.10.0 being the latest and it contains versions all the way back to 2.2.0.\u003c/p\u003e\n"]]],[],null,[]]
