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Reverse engineering the best AAC psycoacoustic models, The possibility to mimic for example Apple psycomodel comparing the s
enry2k
post Aug 20 2013, 14:49
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There is a lack of good quality open-source AAC encoders and the good ones rely on effective psycoacoustic models. I was wondering whether it was possible to emulate the successful psycoacoustic models by comparing the spectrum of original wave with different decoded signals of specific difficult tracks.
Maybe one could find out what makes Apple model so good compared to Faac in order to use similar strategies.

Is this idea pure nonsense?
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Enrico
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saratoga
post Aug 20 2013, 17:00
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It would be easier to just develop your own encoder. The principles behind these models are well understood. I think there is no good open source aac encoder because there is not much interest in working on one.
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eahm
post Aug 20 2013, 17:10
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QUOTE (saratoga @ Aug 20 2013, 09:00) *
I think there is no good open source aac encoder because there is not much interest in working on one.

http://www.iis.fraunhofer.de/en/bf/amm/imp...dkaaccodec.html

http://www.hydrogenaudio.org/forums/index....showtopic=95989

?

This post has been edited by eahm: Aug 20 2013, 17:10


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