Displaying 2 results from an estimated 2 matches for "logmdct".
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logdet
2009 May 26
5
errors in valgrind
Hay!
Has anyone come across these errors using valgrind for the oggenc tool or the
encoder_example.c:
==13108== Invalid read of size 4
==13108== at 0x4155734: _vp_offset_and_mix (in
/usr/local/lib/libvorbis.so.0.4.1)
==13108==
2004 Mar 10
0
Date: Wed, 10 Mar 2004 16:15:12 +0530
...ac3 , mp3 ) .
The problems are ---->
1. How physcoacoustic model is generated . I was reading noise masking .
I have understood that FFT of 2048 samples is used for finding tone
masking .
And MDCT of same samples is used for noise masking .
Now while caluculating noise masking , logmdct input is used . And
function
bark_noise_hybridmp is called . In that function some mathematical
computation is done and
noise is calculate . ( noise[i] = R - offset )
Can anyone explain me what is the funda behind it .
<p>2. NOw about overlap and add .
I know very well...