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  • From: sindi keesan <keesan AT sdf.lonestar.org>
  • To: baslinux AT lists.ibiblio.org
  • Subject: Re: [BL] FM synthesis (for sindi and any others interested)
  • Date: Fri, 21 Apr 2006 14:28:39 +0000 (UTC)

On Thu, 20 Apr 2006, Samual Acorn wrote:

as promised; some recordings of FM synth the way it was -supposed- to
be done... in these tunes each voice of the OPL chips are controlled
directly... stereo/echo/reverb/polyphony and even the instrument
parameters themselves are all done manually... nothing is preset...

I will try this out as soon as I put together a computer that has a working SB16 sound card, a working IDE controller, and a modem.
I am currently online via Toshiba laptop/pcmcia.

first a very old tune... composed just for the OPL2...
http://rapidshare.de/files/18539280/adlib_ticktock.ogg.html
the OPL2 is mono and has only 8 voices...

http://rapidshare.de/files/18538281/adlib_cheatengine.ogg.html
this one is also for the OPL2... with a little more interesting
instruments.. not sounding quite like general midis fm patches
anymore.

playmidi -f ? As opposed to playmidi -4 for the one below?
I will also try playmidi -f on the OPL3 file.

http://rapidshare.de/files/18534740/adlib_oldschool.ogg.html
now for the OPL3 ... a stereo chip with 18 voices and more waveform
options... 'reverb' was of course done manually... the width of the
variable width pulse used as the lead at the beginning and end can be
changed as the note is playing... not quite GMs domain...

http://rapidshare.de/files/18540187/adlib_encore.ogg.html
again OPL3... and the most complex of the tunes... so much so that the
artist said that they wouldnt ever try something like this again...
see if you can 'name the tune'....


and just for good measure (no pun intended) a demo of another
apparently obsolete chip... the yamaha XG...

http://rapidshare.de/files/18540947/yxg_xgtechno.zip.html

I think I have this chip in the Win98 laptop! It starts up with some message about Yamaha XG Softsynth. I can try listening to your three files with Windows/Yamaha. (Turns out the PCMCIA slot is okay, the Winmodem 'cannot open port' so is probably dead).

How would I set up the Yamaha XG sound card to work in linux (after shrinking Windows with Partition Resizer or Partition Manager)? If it needs ALSA sound, would it be simpler to install SW10.2 (and will it fit into 500MB without source code or compiler?)


I gave up on the sound chip in the Toshiba and Hitachi laptops (some cross between MSS and SBPro for play and record) but got the video working (similar config for both). This Win98 laptop has Neomagic video, which might be a pain to set up for X but is not needed for playing with sound.

================================



I also just realized that the essolo1 PCI sound card in the Win98 desktop played at full volume through some really cheap unpowered speakers, which implies that my other card (in the linux computer with powered speakers turned up full) has a dead amp on it.

the XG seems to be like a hybrid of directly programmable chips and
general midi... the file is zipped with both the .ogg and the .midi
file that was played to get the ogg... while technically the midi file
will play on anything it wont work right on anything other than the XG
due to the extended instructions XG has that general midi doesnt...
see how it does with the clavicorda keyboard...


PS my apologies for the 'buzz' in the background... the sblive that
was used for recording seems to have problems when its line-in is
connected to the line-out of other soundcards... seems very sensitive
to groundloops... even if the ground isnt connected...


--
--sam
http://mephitus.renamon.org/
"When you've done something right, no one will be sure you've done
anything at all." -- Futurama
--
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