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Introducing Audio VQ [2011] |
AKA :
Amadeus
Credits :
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Pokefinder.org
Summary
Submitted by algorithm on 30 November 2011
After the Just Dance demonstration, some people had asked whether it was a possibility to stream and decompress at twice the sample rate. This demonstration shows the possibility of this. Sample rate is at approx 7.812 and there are no interpolation tricks (eg half sample rate data) I have used another one of my audio encoders to compress the data for this demonstration.
The compression method for the audio is based on Vector quantisation where segments of extremely small chunks of audio are analysed and the 'best few' which would represent the entire audio are kept.
256 'optimum' waveforms are selected and then modified using clustering. I have quoted the word optimum as the encoder can still be improved immensely.
Krills loader just about manages to keep up with the decompression. Comments and critisisms welcome. I would like to see whether the streaming works well for most drives.
There is a known bug where the audio sounds distorted when running the demo sometimes (should have fixed it) But 3am in the morning and work in a few hours... |
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8.9/10 (10 votes) 