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zipcure
2007 Jul 09
1
a way restrict encoding sound volume
...r than that, causing clipping when
saving as 16-bit PCM."
This is one of FAQs in 'speex-manual' you wrote. I guess amplitudes close
to 2^15 bother me. Do you have any idea to avoid it? I believe speex give
me a solution or Plan B;)
Thank you.
>From: Dmitry Yakimov <support@zipcure.com>
>To: ?? <dawn144kr@hotmail.com>
>Subject: Re: [Speex-dev] a way restrict encoding sound volume
>Date: Mon, 09 Jul 2007 11:33:02 +0400
>
>Hi,
>
>It is much better to spend a bit of time and find where overflow occurs,
>then send your patches.
>
> > Tha...
2006 Dec 20
1
Broken denoiser in SVN (?)
Hi,
I'm trying to use a denoiser on a wince with a FIXED_POINT defined.
Denoiser works OK - it removes the noise, but then it unacceptable hurts
a voice.
Here is a code that I use:
#define TEST_DENOISE_SAMPLES 2000
void test_denoise()
{
FILE *fin;
FILE *fout;
spx_int32_t rate=0;
int chan=1;
int fmt=16;
int denoise_enabled = 1;
SpeexPreprocessState *preprocess;
2007 Jul 05
1
Small bug fixed
Hi,
It is better to replace this line in function filterbank_new:
max_mel = toBARK(EXTRACT16(MULT16_16_Q15(QCONST16(.5f,15),sampling)));
to
max_mel = toBARK(EXTRACT16(sampling/2));
It gives the same but it seems to be faster and avoids overflow on 44100 kHz that prevents denoiser to process 44100 streams. (Yes I know that Speex should not pack 44100 streams but it does now and I use it).
Best