1# OH_AudioStreamInfo 2 3## Overview 4 5The struct describes the audio stream information, which is used to describe the basic audio format. 6 7**Since**: 19 8 9**Related module**: [OHAudio](capi-ohaudio.md) 10 11**Header file**: [native_audiostream_base.h](capi-native-audiostream-base-h.md) 12 13## Summary 14 15### Member Variables 16 17| Name| Description| 18| -- | -- | 19| int32_t samplingRate | Sampling rate.| 20| [OH_AudioChannelLayout](../apis-avcodec-kit/_core.md#oh_audiochannellayout-1) channelLayout | Audio channel layout.| 21| [OH_AudioStream_EncodingType](capi-native-audiostream-base-h.md#oh_audiostream_encodingtype) encodingType | Encoding type.| 22| [OH_AudioStream_SampleFormat](capi-native-audiostream-base-h.md#oh_audiostream_sampleformat) sampleFormat | Sampling format.| 23