Compartir a través de


MSAudioRecvSignal Dictionary object

[Some information relates to pre-released product which may be substantially modified before it's commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here.]

Contains information relating to the audio signal. It is described in [MS-QoE] Section 2.2.1.28 (Signal).

Syntax

dictionary MSAudioRecvSignal {
             float initialSignalLevelRMS;
             long  recvSignalLevelCh1;
             long  recvNoiseLevelCh1;
             float renderSignalLevel;
             float renderNoiseLevel;
             float renderLoopbackSignalLevel;
};

Standards information

MSAudioRecvSignal Dictionary

Member Type Description
initialSignalLevelRMS float The root-mean-square of the received signal for the first 30 seconds of the call.
recvNoiseLevelCh1 long Average energy level of received audio classified as noise, mono signal or the left channel of stereo signal, in dB.
recvSignalLevelCh1 long Average energy level of received audio classified as mono speech, or left channel of stereo speech, in dB.
renderLoopbackSignalLevel float Average level of speaker loopback signal (after any device offload effects have been applied), in dBo.
renderNoiseLevel float Average render noise level after dynamic range compression or analog gain control is applied, in dBo.
renderSignalLevel float Average render speech level after dynamic range compression or analog gain control is applied, in dBo.

 

See also

Statistics extensions

Statistics API