What interfaces do I need to call before I can use IBasicAudio to control volume?
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Thread: What interfaces do I need to call before I can use IBasicAudio to control volume?

  1. #1
    Join Date
    Jul 2005
    Posts
    10

    Red face What interfaces do I need to call before I can use IBasicAudio to control volume?

    Hello everyone.

    I tried using Audio Renderer's IBasicAudio methods to control the volume of a mic. The putVolume() return S_OK but the volume of the mic remains the same.

    What interfaces and methods do I need to use in order to control the mic specifically?

    Would appreciate any help. Thank you.
    Nic

  2. #2
    Join Date
    May 2013
    Posts
    26

    Re: What interfaces do I need to call before I can use IBasicAudio to control volume?

    putVolume() only changes the output volume of the wave or directshow audio renderer, it does not change the volume level of a microphone input.

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