# AudioMetadata
<a name="API_AudioMetadata"></a>

Metadata information about an audio stream. An array of `AudioMetadata` objects for the audio streams found in a stored video is returned by [GetSegmentDetection](API_GetSegmentDetection.md). 

## Contents
<a name="API_AudioMetadata_Contents"></a>

 ** Codec **   <a name="rekognition-Type-AudioMetadata-Codec"></a>
The audio codec used to encode or decode the audio stream.   
Type: String  
Required: No

 ** DurationMillis **   <a name="rekognition-Type-AudioMetadata-DurationMillis"></a>
The duration of the audio stream in milliseconds.  
Type: Long  
Valid Range: Minimum value of 0.  
Required: No

 ** NumberOfChannels **   <a name="rekognition-Type-AudioMetadata-NumberOfChannels"></a>
The number of audio channels in the segment.  
Type: Long  
Valid Range: Minimum value of 0.  
Required: No

 ** SampleRate **   <a name="rekognition-Type-AudioMetadata-SampleRate"></a>
The sample rate for the audio stream.  
Type: Long  
Valid Range: Minimum value of 0.  
Required: No

## See Also
<a name="API_AudioMetadata_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/rekognition-2016-06-27/AudioMetadata) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/rekognition-2016-06-27/AudioMetadata) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/rekognition-2016-06-27/AudioMetadata)