In audio, the manipulation of the dynamic range of a signal. This is done by reducing the difference between the largest and smallest amplitudes. In video, the reduction of the required data rate. This is done by reducing the amount of data required to reproduce the picture.
I'm sharing records from phone conferences on my website, and would like to save space. It would be nice if I could use speex as I get about 5:1 compression compared to mp3. However most people would ...
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If we have an MP3 file and we decode it to an uncompressed WAV file and then later encode it to MP3 again at the same sample rate - why is it that the quality gets degraded? This is a past exam ...
I am converting a .MOV file into .MP4, .OGV and .WEBM for web use. I have found that the background rendered by QuickTime and Safari is not white although the same MP4 has a white background when ...