OK, Jim, 1411 vs. 128. You can't hear the difference? 256 vs. 128?
It's more than just high notes.
Don't guess - try it. Find an album on hdtracks that's available in 24/96 and download it. Rip the same album from a CD. Compare, using whatever you like. Your computer's speakers will probably be adequate.
If you use a DAC off your Mac, adjust the MIDI settings.
- ipdt5
On Jul 9, 2014, at 11:09 AM, "Jim Saklad jimdoc@icloud.com [iPad]" <iPad@yahoogroups.com> wrote:
>> Yeah, no doubt. I have tinnitus, but I still hear huge differences between 128 and, say, 44.1 and 96.
>
> The "128" (a measurement of bit resolution) and the "44.1 and 96" (kHz sampling rate) are measuring completely different parameters and are not comparable.
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> An ADC (analog to digital converter) runs at a specified sampling rate and converts at a known bit resolution. CD audio, for example, has a sampling rate of 44.1 kHz (44,100 samples per second), and has 16-bit resolution for each stereo channel.
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> It is generally agreed that being able to resolve the first harmonic of the highest frequency you can hear is necessary for music to "sound right", but that higher harmonics generally make no audible difference.
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> Most adults can't hear beyond 15-16kHz. The first harmonic of a 15kHz tone is 30kHz; the second harmonic is 45kHz. The FIFTH harmonic is 90kHz.
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> I am suspicious that anyone over the age of 30, or many under, even under ideal listening circumstances, can hear a difference, in a blind test, between 44.1 and 96 kHz sampling rates, all other factors being equal.
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> *Certainly* not on earbuds, car audio, computer speakers, or in anything noisier than an anechoic chamber (like a car, or most people's living rooms).
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> Uncompressed (CD resolution) audio occupies about 10 times the storage space of AAC or MP3. Uncompressed high-resolution occupies perhaps double that.
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> --
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> Jim Saklad mailto:jimdoc@icloud.com
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Posted by: David Smith <david.smith.14916@gmail.com>
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