# AudioPcmFrame (/zh-CN/api-reference/rtc/flutter/class-audiopcmframe)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

<a id="class_audiopcmframe__prototype"></a>

```dart
class AudioPcmFrame {
  const AudioPcmFrame(
      {this.captureTimestamp,
      this.samplesPerChannel,
      this.sampleRateHz,
      this.numChannels,
      this.bytesPerSample,
      this.data});

  @JsonKey(name: 'capture_timestamp')
  final int? captureTimestamp;

  @JsonKey(name: 'samples_per_channel_')
  final int? samplesPerChannel;

  @JsonKey(name: 'sample_rate_hz_')
  final int? sampleRateHz;

  @JsonKey(name: 'num_channels_')
  final int? numChannels;

  @JsonKey(name: 'bytes_per_sample')
  final BytesPerSample? bytesPerSample;

  @JsonKey(name: 'data_')
  final List<int>? data;

  factory AudioPcmFrame.fromJson(Map<String, dynamic> json) =>
      _$AudioPcmFrameFromJson(json);

  Map<String, dynamic> toJson() => _$AudioPcmFrameToJson(this);
}
```

<a id="class_audiopcmframe__parameters"></a>

## 属性 [#属性]

<ParameterList>
<a id="capturetimestamp"></a>
<Parameter name="captureTimestamp">

音频帧的时间戳 (ms)。

</Parameter>
<a id="samplesperchannel"></a>
<Parameter name="samplesPerChannel">

每个声道的采样点数。

</Parameter>
<a id="sampleratehz"></a>
<Parameter name="sampleRateHz">

音频采样率 (Hz)。

</Parameter>
<a id="numchannels"></a>
<Parameter name="numChannels">

音频声道数。

</Parameter>
<a id="bytespersample"></a>
<Parameter name="bytesPerSample">

音频数据的字节数。

</Parameter>
<a id="data"></a>
<Parameter name="data">

音频帧数据。

</Parameter>
</ParameterList>