[sdiy] Aphex Twin, Korg and 31.250 kHz

[MTG]

I think the Kawai R100 and other things of that era are either 31.25KHz 
or 32KHz.  Pretty sure it's just about storage/cost.

On 7/11/2017 12:09 PM, Ove Ridé wrote:
> http://item.warp.net/interview/aphex-twin-speaks-to-tatsuya-takahashi/
> 
> This is an interview with Richard D James (aka Aphex Twin) and Tatsuya
> Takahashi on their collaboration on the Korg Monologue. It's an
> interesting interview in its own right, but one thing that stood out
> to me was this detail about the Volca:
> 
> TT: "Talking of standards, the sample rate of 48 kHz is another one
> for sampling and signal processing, but the volca sample uses a weird
> one at 31.25 kHz. Purely because of technical constraints, but I was
> thinking that might be part of the reason you liked it so much,
> because the different sample rate gives it a unique sound."
> 
> I immediately recognized that as the baud rate of standard MIDI, which
> in turn is chosen because it is 1/32 MHz so it's easy to derive
> exactly from integer MHz clocks. But the interesting part is why he
> would choose that as a sample rate. I'm assuming the technical
> limitation he's referring to is choosing a sample rate based on a
> clock crystal suitable for MIDI use. But using 48 kHz (at least as far
> as math goes) should have been easy, by using a clock that's a
> multiple of 6 MHz, which would make 48 kHz an integer division.
> 
> Just my thought of the day.
>