# WhiteAudioPcmDataDelegate Protocol Reference (/zh-CN/api-reference/whiteboard/whiteboard-sdk/ios/protocols/white-audio-pcm-data-delegate)

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Whiteboard iOS SDK 2.16.147 公开接口。

@protocol WhiteAudioPcmDataDelegate <NSObject>

## 成员 [#成员]

- [pcmDataUpdate:](/zh-CN/api-reference/whiteboard/whiteboard-sdk/ios/protocols/white-audio-pcm-data-delegate#//api/name/pcmDataUpdate:)

<a id="//api/name/pcmDataUpdate:"></a>

### `– pcmDataUpdate:` [#-pcmdataupdate]

<ApiSignature>

\- (void)pcmDataUpdate: (NSArray&lt;NSNumber *&gt; *)int16Array;

</ApiSignature>

Declared in Displayer/WhiteAudioPcmDataDelegate.h