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Camstudio 2.6 r294 does not compress the audio stream (always PCM)
I am using Camstudio since a lot of time, for recording my own lessons at the University, and later making them available to the students on my web site.
On several computers I installed the previous version, and everything worked OK, storing the video at 1024x768, 5 FPS, and the audio at 11 kHz, 16 bits, mono, with MP3 compression (2 kB/s).
Today I downloaded and installed the new version on a new computer. Albeit employing exactly the same settings outlined above, the audio comes out to be uncompressed: reopening the resulting AVI with VLC, the audio stream is said to be pure PCM at 11 kHz, 16 bits, mono, instead of being MP3...
And, of course, the file size is enormous...
I tested with several other available audio codecs, including Microsoft ADPCM, Ogg Vorbis and DivX WMA, but the result is always the same.
I am NOT setting CamStudio to use MCI recording.
My hypothesis is that on this computer some key component is missing, namely something such as an active-x plugin which allows to chain Camstudio with the audio codecs installed on the PC. On the other PC, during the compression, a "FFMPEG" icon was appearing in the status bar of the computer, near the clock, whilst on this computer nothing appears (and the audio stream is saved uncompressed).
What is exactly the missing component, and where can I download and install it?
And why isn't this component part of the standard setup of Camstudio?
Thanks in advance!