# FLocalAudioStats (/zh-CN/api-reference/rtc/unreal-blueprint/class-localaudiostats)

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

<a id="class_localaudiostats__prototype"></a>

```cpp
USTRUCT(BlueprintType)
struct FLocalAudioStats
{
	GENERATED_BODY()
public:
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Agora|LocalAudioStats")
	int numChannels = 0;
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Agora|LocalAudioStats")
	int sentSampleRate = 0;
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Agora|LocalAudioStats")
	int sentBitrate = 0;
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Agora|LocalAudioStats")
	int internalCodec = 0;
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Agora|LocalAudioStats")
	int txPacketLossRate = 0; 	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Agora|LocalAudioStats")
	int audioDeviceDelay = 0;
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Agora|LocalAudioStats")
	int audioPlayoutDelay = 0;
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Agora|LocalAudioStats")
	int earMonitorDelay = 0;
	UPROPERTY(VisibleAnywhere, BlueprintReadWrite, Category = "Agora|LocalAudioStats")
	int aecEstimatedDelay = 0;
	FLocalAudioStats(){}
	FLocalAudioStats(const agora::rtc::LocalAudioStats & AgoraData){
		numChannels = AgoraData.numChannels;
		sentSampleRate = AgoraData.sentSampleRate;
		sentBitrate = AgoraData.sentBitrate;
		internalCodec = AgoraData.internalCodec;
		txPacketLossRate = AgoraData.txPacketLossRate;
		audioDeviceDelay = AgoraData.audioDeviceDelay;
		audioPlayoutDelay = AgoraData.audioPlayoutDelay;
		earMonitorDelay = AgoraData.earMonitorDelay;
		aecEstimatedDelay = AgoraData.aecEstimatedDelay;
	}
	agora::rtc::LocalAudioStats CreateAgoraData() const {
		agora::rtc::LocalAudioStats AgoraData;
		AgoraData.numChannels = numChannels;
		AgoraData.sentSampleRate = sentSampleRate;
		AgoraData.sentBitrate = sentBitrate;
		AgoraData.internalCodec = internalCodec;
		AgoraData.txPacketLossRate = txPacketLossRate;
		AgoraData.audioDeviceDelay = audioDeviceDelay;
		AgoraData.audioPlayoutDelay = audioPlayoutDelay;
		AgoraData.earMonitorDelay = earMonitorDelay;
		AgoraData.aecEstimatedDelay = aecEstimatedDelay;
		return AgoraData;
	}
	void FreeAgoraData(agora::rtc::LocalAudioStats & AgoraData) const {
	}
};
```

<a id="class_localaudiostats__parameters"></a>

## 属性 [#属性]

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

声道数。

</Parameter>
<a id="sentsamplerate"></a>
<Parameter name="sentSampleRate">

发送本地音频的采样率，单位为 Hz。

</Parameter>
<a id="sentbitrate"></a>
<Parameter name="sentBitrate">

发送本地音频的码率平均值，单位为 Kbps。

</Parameter>
<a id="txpacketlossrate"></a>
<Parameter name="txPacketLossRate">

弱网对抗前本端到声网边缘服务器的丢包率 (%)。

</Parameter>
<a id="internalcodec"></a>
<Parameter name="internalCodec">

内部的 payload 类型。

</Parameter>
<a id="audiodevicedelay"></a>
<Parameter name="audioDeviceDelay">

播放或录制音频时，音频设备模块的延迟 (ms)。

</Parameter>
<a id="earmonitordelay"></a>
<Parameter name="earMonitorDelay">

耳返延迟 (ms)，即声音从麦克风输入到耳机输出的延迟。

</Parameter>
<a id="aecestimateddelay"></a>
<Parameter name="aecEstimatedDelay">

回声消除延迟 (ms)，即回声消除 (Acoustic Echo Cancellation, AEC) 模块测算出音频在本地播放前与被本地采集后的信号延迟。

</Parameter>
</ParameterList>