On Sun, Jun 22, 2008 at 8:56 AM, <[EMAIL PROTECTED]> wrote:
> On Tue, Jun 17, 2008 at 11:23:19AM -0700, David Brown wrote:
>> - Wrong sample rate in hardware. If your hardware plays at 48Khz and the
>> mp3's are ripped from a 44.1Khz CD, they will be faster. If you
>> compare the audio between the two, it would be slightly higher in pitch
>> in addition to faster.
>
By the way, a little work with the pocket calculator shows that
48/44.1 would be a pitch change of about 1.5 semitones. More than
"slightly higher" if you have any kind of musical ear.
48/44.1 = 2^0.1223 pitch ratio as a power of two
0.1223 * 12 = 1.467 one semitone is a pitch ratio of the twelfth root of two
carl
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carl lowenstein marine physical lab u.c. san diego
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