On Thu, Oct 8, 2015 at 7:55 PM, chris hermansen <clhermansen@xxxxxxxxx> wrote:
> Ran and list,
>
> On Oct 8, 2015 09:29, "Ran Shalit" <ranshalit@xxxxxxxxx> wrote:
>>
>> Hello,
>>
>> I don't understand why rate is required when we play PCM file.
>> The sample rate is already encoded in file header, so why would aplay
>> need this parameter ?
>>
>> Thanks,
>> Ran
>
> Did you read the man page?
>
> Looks to me like aplay and arecord are the same binary, so the rate is of
> interest when recording. And apparently when playing a raw PCM file which
> doesn't have a header. The man page states that sample rate can be
> determined from the file header...
Hi Christ,
I actually did read the man page, and re-read it now, but I didn't
find it mention.
" -r, --rate=#<Hz>
Sampling rate in Hertz. The default rate is 8000 Hertz."
Thanks,
Ran
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