# OH_AudioCaptureInfo ## Overview The **OH_AudioCaptureInfo** struct defines audio capture information. **System capability**: SystemCapability.Multimedia.Media.AVScreenCapture **Since** 10 **Related Modules** [AVScreenCapture](_a_v_screen_capture.md) ## Summary ### Member Variables | Name| Description| | -------- | -------- | | [audioSampleRate](#audiosamplerate) | int32_t
Defines the audio sampling rate. For details about the supported rates, see **OH_AudioCapturer_GetSamplingRate**.| | [audioChannels](#audiochannels) | int32_t
Defines the number of audio channels.| | [audioSource](#audiosource) | [OH_AudioCaptureSourceType](_a_v_screen_capture.md#oh_audiocapturesourcetype)
Defines the audio source.| ## Member Variable Description ### audioChannels ``` int32_t OH_AudioCaptureInfo::audioChannels ``` **Description** Defines the number of audio channels. ### audioSampleRate ``` int32_t OH_AudioCaptureInfo::audioSampleRate ``` **Description** Defines the audio sampling rate. For details about the supported rates, see **OH_AudioCapturer_GetSamplingRate**. ### audioSource ``` OH_AudioCaptureSourceType OH_AudioCaptureInfo::audioSource ``` **Description** Defines the audio source.