[DSSI] Re: hexter DX7 modeling DSSI plugin

[Sean B. <smb...@jp...>]

I figure you're all on LAU, but just in case:

Begin forwarded message:
> From: Sean Bolton <mu...@jp...>
> Date: November 16, 2004 5:32:25 PM PST
> To: A list for linux audio users <lin...@mu...>
> Subject: [linux-audio-user] Re: hexter DX7 modeling DSSI plugin
>
> On Nov 15, 2004, at 12:23 AM, Juhana Sadeharju wrote:
>> Has anyone compared DX7 and Hexter? Could anyone load the same
>> instrument to both and record the outputs for us?
>
> Yeah, I compared them all the time as I was developing hexter ;-)
>
> Here are some quick examples I threw together of how close (or not)
> hexter comes to a real DX7.  In each one, hexter is panned hard
> right, and my TX7 (a DX7 in module form) is panned hard left.
>
> http://home.jps.net/~musound/chopin.mp3
>
> This is some Chopin with random patch changes thrown in.  Both the
> TX7 and hexter are running with 16 voice polyphony.  You can hear
> that both hexter and the TX7 click a bit when stealing voices.
> Also, hexter's quite a bit more graceful when receiving a patch
> change via sysex -- the TX7 twangs here transitioning into the
> "acoustic piano" patch.
>
> http://home.jps.net/~musound/clav_and_bass.mp3
>
> This is actually two TX7s in the left channel, and two instances of
> hexter in the right channel.
>
> http://home.jps.net/~musound/e_piano.mp3
>
> Here you can hear that while hexter is pretty close to the TX7, it
> doesn't quite get the modulation right, resulting in a slightly
> brighter or more midrangy sound.
>
> http://home.jps.net/~musound/mallet.mp3
> http://home.jps.net/~musound/organs.mp3
>
> A couple more examples.
>
> http://home.jps.net/~musound/effects.mp3
>
> This shows some of the patches hexter has the most trouble with
> (thanks to Frank Neumann for collecting these).  Many effects
> patches depend on amplitude or pitch modulation, LFO, and unusual
> envelope generator timings.  As of version 0.5.7, hexter is still 
> lacking
> the DX7's AM and PM and LFO, and the odd envelope timings have so
> far resisted all efforts at prediction.
>
> All of the examples were generated from the same MIDI stream (both
> sys-ex patch dumps and notes).  The TX7s were connected directly to
> my Delta 44, and both they and hexter were recorded simultaneously
> at 44.1kHz using ecasound and JACK.  Audacity was used to trim and
> normalize the recordings (no effects other than fade-in and fade-out
> were used), and lame with '-h -b192' was used to encode the MP3s.
>
> These URLs should be valid for a week or two, then I may need to
> use the space for something else.  If they don't work, try checking
> here:
>
> http://home.jps.net/~musound/index.html
>
> or the hexter web page at:
>
> http://dssi.sourceforge.net/hexter.html
>
> -Sean
>