search for: montnemery

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2003 Oct 08
1
Detecting packet lengths in Vorbis-streams
How would one implement the following scheme with minimal use of resources: Every Vorbis packet should be preprocessed to a certain extent, that is, the beginning of every audio packet should be parsed and some decoding steps executed. The result of this predecode as well as the rest of the packet should then be sent as output for final processing. I have skimmed through the standard, and as far
2004 Feb 05
1
Psychoacoustic model
...ng noise? Noise masking tone? Temporal masking? Other aspects of decoding: Are the codebooks fixed for VQ encoding and huffman for a given quality?. Adjustments of VQ codebooks based on the audio or picking a fixed codebook that minimizes the quantization error? Regards Johannes Sandvall, Erik Montnemery --- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To unsubscribe from this list, send a message to 'vorbis-dev-request@xiph.org' containing only the word 'unsubscribe' in the body. No subject is needed. Unsubscribe messages...
2004 Mar 11
2
Ogg/Vorbisreport, FFT optimizations
...e stuff in the report. The parts developed in cooperation with Ericsson mobile platforms is not available. Give me feedback if any parts of the code is of interest. If there is any questions please send them but check in the report first if the answer is there. Regards / Johannes Sandvall, Erik Montnemery --- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To unsubscribe from this list, send a message to 'vorbis-dev-request@xiph.org' containing only the word 'unsubscribe' in the body. No subject is needed. Unsubscribe messages...