Re: [microsound] Parmegiani in Sydney

[Ian Andrews <i.andrews@xxxxxxxxxxxxxxxxxx>]

Yes Dale and Ian are correct.  This is exactly what he was doing: a stereo
pair routed to the input of an 8 bus analogue mixer. Each of the 8 output
faders going to a seperate speaker. The stereo inputs were panned left and
right and assigned to all output faders, which usually  means left channel
goes to 1,3,5 & 7, and right channel goes to 2, 4, 6, & 8.  He expertly
manipulated the sound so that it bounced and swirled around the room.
Since these are output faders there are no seperate EQ controls so its just
volume levels only.  Really simple and old school but very effective.  You
have to remember that his type of music, musique concrete, lends itself
well to this technique.  It would not work at all with something like dub
or techno.

>Dale:
>>I still haven't figured out what a performance
>consisting of "mixing stereo from a single CD" into 8 channels means,
>other than just channeling a single stereo signal out 4 times. And then
>what? Tweaking the EQ on each channel? Could you (or anyone else)
>possibly elaborate further or surmise a guess? <
>
>Known as 'diffusion', this is how many stereo electroacoustic works are
>presented in concert. You're right, the stereo signal is sent identically to
>many pairs of speakers (an 'orchestra of loudspeakers') which (typically)
>encircle the audience, but the diffuser is able to control the levels, eq,
>etc of the speakers in real-time--- each speaker has a corresponding fader
>on a mixing desk. If you're good on the mixing console, you can make the
>sound sweep from the front of the room to the back, or in circles around the
>audience, etc, by adjusting the levels of the faders. This description is a
>bit simplified, and there's a lot of theorizing about diffusion- see e.g.
>Jonty Harrison's article:
>
>http://cec.concordia.ca/econtact/Diffusion/Beast.htm
>
>Parmegiani (at least when I've seen him) is very subtle in diffusion, just
>slight adjustments to levels to set one section off from another, no THX f/x
>that I could hear.
>
>best,
>Ian
>
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