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Forums > C64 Composing > Using multi-density routines to split one or two sid voices into more....
2019-09-27 15:04
vV
Account closed

Registered: Jun 2006
Posts: 6
Using multi-density routines to split one or two sid voices into more....

I have been tinkering with this thought for quite a decade now and then and i have been out of this so very long.

I know you can build fantastic sid instruments with multiple density routines, but what if we use this technique to divide wave generation accross splitted tracks?
Some instruments like leads and massive bass designs do not lend themselves for this kind of technique, but you could frankly cram one percussion and one arpeggio track into one sid voice this way, leaving you one other dedicated voice for something else.

I'm sure it sounds shit if you start with double density interrupts, but when raising to four or more, the audio artifacts resulting from it might not be or be less noticable, or create their own unique distinctive audio signature that it is enjoyable...

I roughly checked different sid editors that are emulation based and see what techniques and features they contain, but i could not find an editor with any remote description of such idea....
Is there a sid-player that actually supplies such technique and if not, who would be the person motivated to tinker with the actually attempt to test this out?
 
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2019-10-02 10:11
Jammer

Registered: Nov 2002
Posts: 1289
Quoting Mixer
I wonder if anyone has played with waveform 0 in multispeed wavetables.


I used testbit in multispeed wavetable to introduce low carrier whereas pitch becomes modulation/formant. Base pitch becomes hence strictly dependend on multispeed ratio and intervals between 'gaps'. Check out my triangle only tunes and not only :) Linus used it as well howeveer most probably with PWM manipulation instead. Anything comes handy to introduce that break in sound.
2019-10-02 14:39
TheRyk

Registered: Mar 2009
Posts: 2076
Lookee here for examples of 12x and 16x
Highest times-x speed of SID tunes?
2019-10-18 08:37
vV
Account closed

Registered: Jun 2006
Posts: 6
Quoting Jammer
Quoting Mixer
I wonder if anyone has played with waveform 0 in multispeed wavetables.


I used testbit in multispeed wavetable to introduce low carrier whereas pitch becomes modulation/formant. Base pitch becomes hence strictly dependend on multispeed ratio and intervals between 'gaps'. Check out my triangle only tunes and not only :) Linus used it as well howeveer most probably with PWM manipulation instead. Anything comes handy to introduce that break in sound.


Yes testbit/ring modulation also allows for some ternary voice effect but still requires two voices. But will check some of your examples.
2019-10-18 23:49
Jammer

Registered: Nov 2002
Posts: 1289
Quoting vV
Yes testbit/ring modulation also allows for some ternary voice effect but still requires two voices. But will check some of your examples.


I meant modulation caused by testbit at greater speeds. It requires only one channel ;)
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