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IBasicAudio.Volume | Microsoft Docs
https://docs.microsoft.com/en-us/previous-versions/ms788104(v=vs.85)
IBasicAudio.Volume. Note This topic is deprecated. It applies to Visual Basic 6.0. DirectShow is not supported for Visual Basic .NET or C#. The Volume property sets or retrieves the audio volume. Syntax. objAudio.Volume As Long. Parameters. This property takes no parameters. Return Values. Returns a value from –10,000 (silence) to 0 (full volume).
IBasicAudio::put_Volume | Microsoft Docs
https://docs.microsoft.com/en-us/previous-versions/ms784610(v=vs.85)
IBasicAudio::put_Volume. The put_Volume method sets the volume (amplitude) of the audio signal. Syntax. HRESULT put_Volume( long lVolume); Parameters. lVolume [in] Specifies the volume, as a number from –10,000 to 0, inclusive. Full volume is 0, and –10,000 is silence. Multiply the desired decibel level by 100. For example, –10,000 = –100 dB.
DirectShow : IBasicAudio : put_Volume - Graphics and GPU ...
https://www.gamedev.net/forums/topic/212280-directshow--ibasicaudio--put_volume/
DirectShow : IBasicAudio : put_Volume Graphics and GPU Programming Programming. Started by GroZZleR March 09, 2004 06:18 PM-1 comments, last by GroZZleR 17 years, 10 months ago Advertisement. GroZZleR Author. 820 March 09, 2004 06:18 PM. Hey all, put_Volume (after the summer update) is a value from -10,000 to 0. ...
DirectShow set Volume with multiple channels
https://social.msdn.microsoft.com/Forums/windowsdesktop/en-US/6307d7d4-3a61-455c-b53d-bb6ef95b9ec1/directshow-set-volume-with-multiple-channels
I use the “ IBasicAudio“-interface and the “put_Volume”-function, were I set values between -10000 an 0. For most Audio and Video this works pretty well to controll the volume level. However, I have a few .wav-files that are multi-channel (up to 6-channels), and when I set the volume here, only one channel changes volume.
DirectShow .NET / Discussion / Open Discussion: Volume …
https://sourceforge.net/p/directshownet/discussion/460697/thread/4e7b12f4/
Unfortunately, the Decklink audio filter doesn't implemet the iBasicAudio interface. There are two ways to cobntrol the volume level on a decklink ds filter... The first one is to write a transform filter to adjust the volume level (but, it's too much for me), the second way is to grab the audio datas, then modify them, and that way is, for me, simplier, but I haven't wroked on that, …
directshow - Interface for Volume intensity in FMLE ...
https://stackoverflow.com/questions/5468659/interface-for-volume-intensity-in-fmle
{IID_IBasicAudio} {2DD74950-A890-11D1-ABE8-00A0C905F375} // i think this is async stream, What am i missing ? FMLE doesnt use IAMAudioInputMixer ? Anyone know the exact interface which FMLE uses for Volume intensity ? . .I assumed it was IBasicAudio, but it doesnt seem to call any methods in there.
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