[MPA] Real Time A/V FX Advice

lazy right eye lazyrighteye at hotmail.com
Wed Feb 26 09:58:59 PST 2003

Hey Lance,
Thanks! I'll look into that. Very helpful info.
And for what it's worth, I'll post results should I be able to pull this 
Thanks all!!


----Original Message Follows----
From: Lance Trickey <lancetrickey at mac.com>
Reply-To: "Mac Pro Audio List" <MacProAudio at lists.themacintoshguy.com>
To: "Mac Pro Audio List" <MacProAudio at lists.themacintoshguy.com>
Subject: Re: [MPA] Real Time A/V FX Advice
Date: Wed, 26 Feb 2003 11:39:25 -0500

On Wednesday, February 26, 2003, at 08:26  AM, lazyrighteye wrote:

>Subject: [MPA] Real Time A/V FX Advice
>Date: Tue, 25 Feb 2003 14:13:42 -0700
>Message-ID: <F209yxX05q2u1JcoaHC0001580e at hotmail.com>
>Hey users,
>I have an opportunity to run audio/video for a jazz/rock band in May. The
>theater we are playing in, can provide us (amongst other things) an LCD
>I have an iBook/500, 10.2.4, 640M RAM, and would love to (at least at
>certain portions of the performance) be able to send audio signal from the
>soundboard > iBook > LCD projector, and project real time, iTunes-like
>visuals that move to the real time audio signal.
>Is this possible?
>If so, how?
>Oh, and for what it's worth, I also have a desktop G4/500, 1G RAM, 10.2.4
>(if, for some reason, those PCI slots and/or the G4 processor matter).
>Thanks all,

the G4 might work best. but try them both and see.

look into Arkaos VJ  which allows synchronized multimedia. 

you could even use Gforce by Andy O'Meara  http://www.55ware.com/gforce/

one thing to keep in mind is that these tend to be reactive to the strongest 
parts of the audio signal. You can try to control what bits are dominant by 
doing some very radical EQ'ing between the sound board and the computer. 
Like using a lowpass to only provide bass tones to the visualizer. No one 
will be hearing your submix so it's only purpose would be to isolate the 
frequencies that make the visualizer look best.  A programable multi-band EQ 
would work best here. You could set up "scenes" in this way. Also , being 
able to mute the input to the visualizer if some one is just talking would 
be a nice touch.

I have played around with Gforce in this way and the results are much better 
than using the material unaltered.

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