Volume Question

Question

Hi,We occasionally find that by the time a telephone call come through to the rtmp side, the volume is very low.It does NOT happen all the time.Most of the time it is fine.Is this a known issue?  Is there control over volume related parameters?Thank you!Sincerely,Greg P.

Anonymous · Answer

Yes, volume can be increased for call audio streame pushed from FMG to FMS.

The API to do this is present in lab prerelease2 (i.e. FMG 4.5 onwards)

CallLegService.setWriteAudioGain(legID, iVal)

This API can be used to increase and decrease the audio gain of stream published by FMG.

legID: The legID whose writeAudiodioGain property is to be changed.

iVal: The desired integer gain value in the range [0, 100]. A gain value 50(default) means no change in the incoming audio. An input value 0 will completly suppress the audio. For other values in the range [1, 100] the decibel gain would vary from -10db to +10 db

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