Using a combined audio signal and trying to separate the bass drum is a difficult task, and there are inherent latencies involved in the FFT analysis procedures required. See here for the require techniques(with varyng degrees of success)

http://www.gamedev.net/reference/programming/features/beatdetection/

I think hardware triggers are always going to give better results IMHO. Its just that sometimes they arent practical.

Cheers

Tim



On 18/08/2010 02:41, George Toledo wrote:

I still find a big error in the logic though, and some kind of rift between what you've experienced and what I have.

I guess I could get that if the actual instruments are outputting MIDI (like a sequencer), but frankly, if we're talking about putting triggers on drums, the latency between the actual hit and the synthesis generated by the trigger already is palpable, so I'm dubious about introducing additional latency.

As always, whatever works, your mileage may very, etc., etc...

-GT

On Tue, Aug 17, 2010 at 12:27 PM, 00:00:01s (dev) <[email protected] <mailto:[email protected]>> wrote:

    yeah that's the fatigue kicking in...long hours

    but, what I was trying to say, I prefer triggering from software
    or getting results from hardware triggers. They  to be a bit more
    reliable and have less latency than getting software to analyse
    audio and triggering stuff.

    Seb.


    Op 17 aug 2010, om 18:12 heeft George Toledo het volgende geschreven:

    Hmm, just learned two things. Somehow, Ableton/OSC isn't
    software, and that drum triggers never fail. Nice! I'll have to
    keep that in mind...

    -GT

    On Tue, Aug 17, 2010 at 10:28 AM, 00:00:01s (dev)
    <[email protected] <mailto:[email protected]>> wrote:

        If it's software, like ableton or something else other it
        could send an OSC message or midi signal.
        It's more reliable than software crunching on sound.

        Hardware never fails (hook a real drumkit up with midi triggers)
        http://www.alesis.com/triggerio
        It sends midi that you can pick up in quartz.

        Seb.



    00:00:01s (dev)
    [email protected] <mailto:[email protected]>



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