Required. The natural language speech audio to be processed.
A single request can contain up to 2 minutes of speech audio data.
The transcribed text cannot contain more than 256 bytes for virtual agent
interactions.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eThis webpage provides reference documentation for the \u003ccode\u003eAudioInput\u003c/code\u003e class within the Google Cloud Dialogflow v2 API, specifically for .NET.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of \u003ccode\u003eAudioInput\u003c/code\u003e is 4.26.0, and documentation is available for versions ranging from 3.2.0 to 4.26.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eAudioInput\u003c/code\u003e class represents the natural language speech audio to be processed by Dialogflow, supporting up to 2 minutes of audio per request.\u003c/p\u003e\n"],["\u003cp\u003eIt includes properties such as \u003ccode\u003eAudio\u003c/code\u003e, of type \u003ccode\u003eByteString\u003c/code\u003e, which contains the speech data, and \u003ccode\u003eConfig\u003c/code\u003e, an \u003ccode\u003eInputAudioConfig\u003c/code\u003e object, which dictates how the speech is processed.\u003c/p\u003e\n"],["\u003cp\u003eThe AudioInput class implements multiple interfaces including IMessage, IEquatable, IDeepCloneable, IBufferMessage and IMessage.\u003c/p\u003e\n"]]],[],null,["# Google Cloud Dialogflow v2 API - Class AudioInput (4.26.0)\n\nVersion latestkeyboard_arrow_down\n\n- [4.26.0 (latest)](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/latest/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.25.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.25.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.24.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.24.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.23.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.23.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.22.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.22.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.21.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.21.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.20.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.20.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.19.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.19.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.18.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.18.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.17.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.17.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.16.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.16.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.15.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.15.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.14.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.14.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.13.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.13.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.12.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.12.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.11.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.11.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.10.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.10.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.9.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.9.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.8.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.8.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.7.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.7.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.6.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.6.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.5.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.5.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.4.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.4.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.3.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.3.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.2.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.2.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.1.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.1.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [4.0.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/4.0.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [3.11.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/3.11.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [3.10.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/3.10.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [3.9.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/3.9.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [3.8.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/3.8.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [3.7.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/3.7.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [3.6.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/3.6.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [3.5.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/3.5.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [3.4.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/3.4.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [3.3.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/3.3.0/Google.Cloud.Dialogflow.V2.AudioInput)\n- [3.2.0](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/3.2.0/Google.Cloud.Dialogflow.V2.AudioInput) \n\n public sealed class AudioInput : IMessage\u003cAudioInput\u003e, IEquatable\u003cAudioInput\u003e, IDeepCloneable\u003cAudioInput\u003e, IBufferMessage, IMessage\n\nReference documentation and code samples for the Google Cloud Dialogflow v2 API class AudioInput.\n\nRepresents the natural language speech audio to be processed. \n\nInheritance\n-----------\n\n[object](https://learn.microsoft.com/dotnet/api/system.object) \\\u003e AudioInput \n\nImplements\n----------\n\n[IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage-1.html)[AudioInput](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/latest/Google.Cloud.Dialogflow.V2.AudioInput), [IEquatable](https://learn.microsoft.com/dotnet/api/system.iequatable-1)[AudioInput](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/latest/Google.Cloud.Dialogflow.V2.AudioInput), [IDeepCloneable](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IDeepCloneable-1.html)[AudioInput](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/latest/Google.Cloud.Dialogflow.V2.AudioInput), [IBufferMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IBufferMessage.html), [IMessage](https://cloud.google.com/dotnet/docs/reference/Google.Protobuf/latest/Google.Protobuf.IMessage.html) \n\nInherited Members\n-----------------\n\n[object.GetHashCode()](https://learn.microsoft.com/dotnet/api/system.object.gethashcode) \n[object.GetType()](https://learn.microsoft.com/dotnet/api/system.object.gettype) \n[object.ToString()](https://learn.microsoft.com/dotnet/api/system.object.tostring)\n\nNamespace\n---------\n\n[Google.Cloud.Dialogflow.V2](/dotnet/docs/reference/Google.Cloud.Dialogflow.V2/latest/Google.Cloud.Dialogflow.V2)\n\nAssembly\n--------\n\nGoogle.Cloud.Dialogflow.V2.dll\n\nConstructors\n------------\n\n### AudioInput()\n\n public AudioInput()\n\n### AudioInput(AudioInput)\n\n public AudioInput(AudioInput other)\n\nProperties\n----------\n\n### Audio\n\n public ByteString Audio { get; set; }\n\nRequired. The natural language speech audio to be processed.\nA single request can contain up to 2 minutes of speech audio data.\nThe transcribed text cannot contain more than 256 bytes for virtual agent\ninteractions.\n\n### Config\n\n public InputAudioConfig Config { get; set; }\n\nRequired. Instructs the speech recognizer how to process the speech audio."]]