Hey,
Oops! I didn't know you were using Alsa Modular Synth! I assumed you were using AMSynth (Another linux synth)!
Thanks a lot Gabriel for that diagram! I will admit I'm useless at modular 'synthesis'!
Andrew.
Ok, There are a couple :-) of example ams patches to play with here:
>
> Hey Patrick,
>
> On Sat, 5 Jun 2010, Patrick Shirkey wrote:
>
>>> Basically your signal chain should go:
>>>
>>> Oscillators -> Filter in -> Output
>>> ^
>>> |
>>> LFO
>>>
> [snip]
>>
>> Not sure if the ascii came out correct. So what I need is a low pass
>> that
>> has two input connections? A CV input and a signal input?
>>
>> The LFO feeds the cv input and the oscillator/s feed the normal(?)
>> input.
>
> Using AMS, here's a nice ASCII-art patch. I'm omitting
> unused ports, envelopes, and the MCV input, assuming you can
> figure that part out.
>
> +------+
> | VCO |
> = Freq | +------------+
> | | | Mixer 2->1 |
> | Sine =----= In 0 |
> +------+ | |
> +--= In 1 | +------+
> +------+ | | | | VCF |
> | VCO | | | Out =------= In |
> = Freq | | +------------+ | |
> | | | +---= Freq | +---------+
> | Saw =-+ | | | | PCM Out |
> +------+ +-------+ | | Out =---= Out 0 |
> | LFO | | +------+ | |
> | Sine =-----+ = Out 1 |
> +-------+ +---------+
>
> Note that at low freqs, the Sawtooth wave will easily overpower the
> Sine-wave, so you may have to play with the Mixer to get the mix you
> want.
>
> -gabriel
>
http://djcj.org/code/ams/
Specifically:
http://djcj.org/code/ams/dubstep-synth1.ams
You will need the full set of ladspa plugins from the default fedora repo
to work with them. No beta versions in this lot.
Cheers.
--
Patrick Shirkey
Boost Hardware Ltd.