[sdiy] midi and DIN sync in the one connector
Richie Burnett
rburnett at richieburnett.co.uk
Wed Apr 29 10:29:45 CEST 2015
Sounds cool then, I can't see any problems.
I look forward to reading about and/or hearing the results!
-Richie,
-----Original Message-----
From: Adam Inglis
Sent: Wednesday, April 29, 2015 9:23 AM
To: *SYNTH DIY
Subject: Re: [sdiy] midi and DIN sync in the one connector
Yes, very good point. Another reason why I went with it, as the pulse
duration is fully adjustable from 1ms up to something like 130ms or
can be "gated" based on note durations, and the triggers can be set
positive or negative going.
On 29/04/2015, at 6:13 PM, Richie Burnett wrote:
>> Yeah that's why I went with it, as my investigations triggering the
>> voices with a square wave showed some nice tonal variation below 5
>> volts.
>> (Well, actually, above 0 volts, as they are negative-going
>> triggers from 5 to zero)
>
> Does that interface output trigger pulses of a particular duration?
> The reason that I ask is that some of the analogue drum voices may
> sound wrong if they aren't triggered with pulses of the correct
> width. For instance the TR-808 uses 1ms wide trigger pulses, and
> the TR-909 uses 2ms trigger pulses. Many of their drum voices sound
> quite different if the trigger pulses aren't the right duration,
> while others aren't affected much by the trigger pulse width. Just
> something to keep in mind.
>
> -Richie,
>
>
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