[sdiy] TR-808 Cymbal Was: TR-808 Kick Drum modelling explanation

Richie Burnett rburnett at richieburnett.co.uk
Fri Jul 10 00:01:04 CEST 2015


This maybe...?

http://hardware.freepage.de/raf909/

-Richie, 

---- nvawter wrote ----

>These are all so great!
>
>If anyone has more, I'll add them to my wiki:
>http://www.diydsp.com/index.php?title=Analog_Drum_Synthesis
>
>
>I once read a terrific one on the TR-909 Kick drum, but I just can't 
>find it anymore, after looking every few years and just now.  Any leads?
>
>
>
>-Noah
>
>
>
>On 2015-07-08 23:32, saure wrote:
>> You should also find this interesting to read
>> 
>> http://icmc14-smc14.net/images/proceedings/OS24-B10-TheTR-808Cymbal.pdf
>> 
>> -----Original Message-----
>> From: synth-diy-bounces at dropmix.xs4all.nl
>> [mailto:synth-diy-bounces at dropmix.xs4all.nl] On Behalf Of Richie 
>> Burnett
>> Sent: quarta-feira, 8 de Julho de 2015 12:13
>> To: Bruno Afonso; synth-diy
>> Subject: Re: [sdiy] TR-808 Kick Drum modelling explanation
>> 
>> I'm not sure about the links.  However, it's not difficult to program 
>> these
>> sorts of algorithms in C, Visual Basic, or whatever, if you just want 
>> to
>> synthesise sounds "offline".  i.e. Writing them out to a WAV or AIFF 
>> file to
>> 
>> be played later.  I've even used MS-Excel to test some VA algorithms 
>> before.
>> 
>> Real-time synthesis requires a bit more effort though.
>> 
>> -Richie,
>> 
>> 
>> -----Original Message-----
>> From: Bruno Afonso
>> Sent: Tuesday, July 07, 2015 10:52 PM
>> To: Richie Burnett ; Colin f ; synth-diy
>> Subject: Re: [sdiy] TR-808 Kick Drum modelling explanation
>> 
>> 
>> Just catching up to this. Very interesting reading. I was excited to 
>> play
>> with the gen~ model but it does not appear to be public. Did I look in 
>> the
>> wrong place? One of the links in the paper is broken, when they mention
>> additional sound samples.
>> 
>> 
>> On Wed, Jun 17, 2015 at 9:48 AM Richie Burnett
>> <rburnett at richieburnett.co.uk> wrote:
>>> Here's a 606 bass drum having its trigger pulse swept from about 0.2ms 
>>> to
>>> around 6ms.
>>> http://www.colinfraser.com/606-trigger-sweep.mp3
>> 
>> Thanks for the MP3 Colin.  It's interesting how the filters in the 
>> 606BD
>> circuit start clipping against the supply rails when the trigger pulse 
>> width
>> ventures much above 1ms.
>> 
>> I guess they designed the filters to max out their dynamic range with 
>> the
>> intended 1ms wide trigger, and they can't cope with the increased 
>> energy in
>> wider pulses without clipping.
>> 
>> -Richie,
>> 
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