[sdiy] DSP 808 new demo

Adam Inglis 21pointy at tpg.com.au
Fri Jul 26 00:54:16 CEST 2013

On 25/07/2013, at 7:34 PM, Tom Wiltshire wrote:

> On 25 Jul 2013, at 00:27, Adam Inglis <21pointy at tpg.com.au> wrote:
>> On 25/07/2013, at 8:03 AM, Mattias Rickardsson wrote:
>>> On 24 July 2013 22:48, Richie Burnett  
>>> <rburnett at richieburnett.co.uk> wrote:
>>>>> As a TR808 owner for over 20 years, I was a little embarassed to  
>>>>> only
>>>>> discover recently the source of the Egyptian Lover "zap" sound -  
>>>>> you simply
>>>>> take the 14 volt trigger output from the "Accent Out" and plug   
>>>>> it in to
>>>>> your mixer (making sure you turn down the trim!) Doh! And I   
>>>>> always thought
>>>>> it was a high Q filter sweep!
>>>> My unit currently doesn't model this "gate pulse heard as audio"  
>>>> sound. It
>>>> could easily be added as an alternative "zap" instrument if you  
>>>> think it's
>>>> worthwhile though.
>>> Interesting, must try it. In a studio context I'm sure that the EQ  
>>> of
>>> a mixer could transform this spike into something that rings and has
>>> much more character than the raw spike. All signals are worth
>>> listening to! :-)
>> If anyone is interested in sampling or auditioning this sound I've  
>> put a short  AIF file of some zap examples up here:
>> http://www.adambaby.com/tempdownloads
>> The first two are 808, the third is Prophet 5 rev 3 filter sweeps.
> Very interesting. The Prophet 5 filter sweep has an audibly longer  
> envelope, with a much more obvious "sweep" as a result. This is one  
> time that differences between 0.3ms, 0.5ms, 1ms, and 2ms envelope  
> times actually show up. How short does the Prophet go?

I was trying to mimic the power of the 808 sound with the Prophet. It  
will go shorter, but tends to become an uninteresting "click" and  
loses its "zap" (- not very scientific, sorry! I haven't measured  
their durations).


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