Directshow Audio Volume Conversion

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Audio codec conversions with DirectShow

https://social.msdn.microsoft.com/Forums/en-US/75a4d559-8401-4997-8d3e-0ff388b1c1e4/audio-codec-conversions-with-directshow

I'm trying to figure out how to do audio codec conversions with DirectShow. Suppose I have a buffer containing u-law data, and I want to convert it to PCM. Browsing through the DirectShow documentation, I found filters that will read the data from a file and do the conversion, but I couldn't find a filter that would allow me to read the u-law ...

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.

Directshow Audio Converter Software - Free Download ...

https://www.winsite.com/directshow/directshow+audio+converter/

Easy Video to Audio Converter v.3.3.0206. Easy Video to Audio Converter is a tool to extract audio from all video/audio files to MP3, WAV, WMA, M4A and OGG formats. It supports most video formats including AVI, Divx, XviD, MPEG, WMV, ASF, RM, MOV, 3GP, MP4, FLV and MKV formats. File Name:easy_video2audio.exe.

visual c++ - Audio capture to a file using DirectShow from ...

https://stackoverflow.com/questions/1042524/audio-capture-to-a-file-using-directshow-from-a-mic-any-alternative-to-audiore

Wav dest is an example that you can compile from the DirectShow examples that come with the SDK. You can compile it up and register it. It does suffer from limitations surrounding the 2gig wave file limit (This was a big problem for me using 64-channel audio).

DirectShow .NET / Discussion / Open Discussion: Audio ...

https://sourceforge.net/p/directshownet/discussion/460697/thread/9165e922/

Eric - 2010-04-13. 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 …

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