[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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