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Audio Capture - Win32 apps | Microsoft Docs
https://docs.microsoft.com/en-us/windows/win32/directshow/audio-capture
An application can use DirectShow to capture audio data from microphones, tape players, and other devices, through the inputs on the sound card. Typical scenarios include: Recording a voiceover narration for later dubbing over a video stream. Converting legacy analog audio content to digital format.
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
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. Before I load the File, I select a certain output-Device (DsDevice) that will be used to play the sound.
Audio Events for Legacy Audio Applications - Win32 apps ...
https://docs.microsoft.com/en-us/windows/win32/coreaudio/audio-events-for-legacy-audio-applications
Legacy audio APIs such as DirectSound, DirectShow, and the waveOutXxx functions enable applications to get and set the volume levels of audio streams. Applications can use the volume-control capabilities in these APIs to display volume sliders in their application windows. In Windows Vista, the system volume-control program, Sndvol, allows ...
DirectShow Audio Source Plugin - OBS Forums
https://obsproject.com/forum/resources/directshow-audio-source-plugin.32/
It allows you to add any audio input device, playback device or video capture device (if it has audio capabilities) and use it as a source in OBS, so you can use it in addition to the mic/aux and playback devices in the OBS settings. NOTE: At the moment, only one DirectShow audio source that outputs to desktop sound can be active at one time in ...
DirectShow .NET / Discussion / Open Discussion: Audio ...
https://sourceforge.net/p/directshownet/discussion/460697/thread/9165e922/
Yes, with a sample grabber (placed after an audio decoder), you can implement a volume changer filter. With 8 bits, a sample goes from 0 to 256 (127 is the middle point). With 16 bits, a sample goes from -32768 to 32767 (0 is the middle point). So with some easy calculations you can change the volume... opiston - 2010-09-23 Hi all,
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