On 09/06/2010 02:46 AM, Marcelo Galvão Póvoa wrote:
Ok, fortunately I've found the bug!
It was just a MIN_ISF_SPACING parameter which I extracted from the
reference code but was unsure about it's Q level. After some time, I
thought I have it figured out but I was wrong. Now I know the answer
the hard way...
The clipping and the sharp peaks are gone, the waveforms are really
close now!
That's great news!
Also, the stddev against the reference decoder decreased a
lot (it was ~884 before):
all_men.awb stddev: 51.72 PSNR: 62.05 MAXDIFF: 1089 bytes: 473600/ 473600
stddev of 51 looks pretty good to me for this case.
So, here is how the decoder is now (I'm sending my commits to github also).
It is still missing the bitstream_unpack() function sharing with
AMR-NB which I will do soon.
I'll try to review some more your code as soon as I have some time.
-Vitor
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