Displaying 8 results from an estimated 8 matches for "32768,32767".
2007 Jan 03
1
Is FLAC fully cooked for OS X yet?
...the 32-bit integer as 0x52F30000
As far as I know that's the proper conversion, yes? Simple adding
some LSB to make it 32-bit.
> but if [audioFile range] is 16 (i.e. 16 bits per sample), then
> after conversion, the integer PCM samples in outputBuffers
> should all be in the range [-32768,32767], that's the first
> thing I'd check.
OH so wait...
What you're saying then is that the buffers always have to be filled
with 32-bit-SIZED-FIELDS, inside of which
exists a low-aligned integer sample value?
So the VALUES aren't 32-bit integer, but the SPACE FOR THE SAMPL...
2008 Feb 01
1
FW: Re: Problem with Blackfin assembly optimizations -- bug in fixed_bfin.h / resampler saturation???
...esampler to downsample from 48 to 16 kHz. When I look to the downsampled signal before passing it to the encoder, there seems to be a bug in saturation. On overdrive, instead of holding a too big signal value at maximum (e.g. 32767) for some samples, the sample values I get from the resampler are [-32768,32767,-32768,...], i.e. the output of the resampler alters between the biggest possible negative value and the biggest possible positive value.
Does the resampler use the hardware saturation available on Blackfin, or does it saturate by software?
Can you point me to the place I have to look at ins...
2008 Feb 05
1
Re: Problem with Blackfin assembly optimizations -- bug in fixed_bfin.h / resampler saturation???
...n I
>> look to the downsampled signal before passing it to the encoder,
>> there seems to be a bug in saturation. On overdrive, instead of
>> holding a too big signal value at maximum (e.g. 32767) for some
>> samples, the sample values I get from the resampler are
>> [-32768,32767,-32768,...], i.e. the output of the resampler alters
>> between the biggest possible negative value and the biggest
>> possible positive value.
>
> This is definitely bad. Can you send me an example file. Also, can
> you reproduce that problem without the Blackfin assemb...
2008 Feb 08
1
Re: Problem with Blackfin assembly optimizations -- bug in fixed_bfin.h / resampler saturation???
...the downsampled signal before passing it to the encoder,
>>> there seems to be a bug in saturation. On overdrive, instead of
>>> holding a too big signal value at maximum (e.g. 32767) for some
>>> samples, the sample values I get from the resampler are
>>> [-32768,32767,-32768,...], i.e. the output of the resampler
>>> alters between the biggest possible negative value and the
>>> biggest possible positive value.
>> This is definitely bad. Can you send me an example file. Also, can
>> you reproduce that problem without the Blac...
2008 Feb 01
0
FW: Re: Problem with Blackfin assembly optimizations -- bug in fixed_bfin.h / resampler saturation???
...n I
>> look to the downsampled signal before passing it to the encoder,
>> there seems to be a bug in saturation. On overdrive, instead of
>> holding a too big signal value at maximum (e.g. 32767) for some
>> samples, the sample values I get from the resampler are
>> [-32768,32767,-32768,...], i.e. the output of the resampler alters
>> between the biggest possible negative value and the biggest
>> possible positive value.
>
> This is definitely bad. Can you send me an example file. Also, can
> you reproduce that problem without the Blackfin assemb...
2008 Feb 12
1
Re: Problem with Blackfin assembly optimizations -- bug in fixed_bfin.h / resampler saturation???
...pled signal before passing it to the
>>>> encoder, there seems to be a bug in saturation. On overdrive,
>>>> instead of holding a too big signal value at maximum (e.g.
>>>> 32767) for some samples, the sample values I get from the
>>>> resampler are [-32768,32767,-32768,...], i.e. the output of the
>>>> resampler alters between the biggest possible negative value
>>>> and the biggest possible positive value.
>>> This is definitely bad. Can you send me an example file. Also,
>>> can you reproduce that problem w...
2008 Feb 22
1
Re: Problem with Blackfin assembly optimizations -- bug in fixed_bfin.h / resampler saturation???
...re passing it to the
>>>>> encoder, there seems to be a bug in saturation. On overdrive,
>>>>> instead of holding a too big signal value at maximum (e.g.
>>>>> 32767) for some samples, the sample values I get from the
>>>>> resampler are [-32768,32767,-32768,...], i.e. the output of the
>>>>> resampler alters between the biggest possible negative value
>>>>> and the biggest possible positive value.
>>>> This is definitely bad. Can you send me an example file. Also,
>>>> can you reproduc...
2008 Mar 05
1
Problem with Blackfin assembly optimizations -- bug in fixed_bfin.h / resampler saturation???
...>>>>>> the encoder, there seems to be a bug in saturation. On
>>>>>> overdrive, instead of holding a too big signal value at
>>>>>> maximum (e.g. 32767) for some samples, the sample values I
>>>>>> get from the resampler are [-32768,32767,-32768,...], i.e.
>>>>>> the output of the resampler alters between the biggest
>>>>>> possible negative value and the biggest possible positive
>>>>>> value.
>>>>> This is definitely bad. Can you send me an example file.
&g...