[sdiy] Aphex Twin, Korg and 31.250 kHz

[Ove Ridé]

The Volca Sample, which this concerns, is a 2015 product and still for sale new.

On 11 July 2017 at 22:22, MTG <grant at musictechnologiesgroup.com> wrote:
> 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.
>>
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-- 
/Ove

Blog: <http://blog.gg8.se/>

"Here is Evergreen City. Evergreen is the color of green forever."