dreimanneins

I hope somebody can help me and give me a tipp how to solve it. I’m using ambisonics extension. This is connected to moving lights in space. Therfor I get via OSC data which I wanna proceed in Max/msp.

It is for an audiovisual art installation. Lights should move identically as sound source in space. I tried to make a sketch: the sound source enters the space as soon as the light also enters the space. So it should slowly fade in until middle of way and slowly fade away until the sound source exits the space. The sound sources will enter the space randomly with a different angle from each side.

Is there some easy calculation how to calculate volume between entering and exiting and to connect it to a fade?

I would be really happy if somebody may have an idea or even a solution. I hope the problem is somehow clear.

Bildschirmfoto 2021-06-06 um 06.50.20.png

message

listfunnel

inlet

outlet

jit.cellblock

button

o.route

flonum

number

unpack

meter~

ezdac~

number~

gate

toggle

route

umenu

counter

random

loadbang

comment

audio

prepend

dropfile

textedit

playbar

sfplay~

gain~

print

udpreceive

ambimonitor

thispatcher

loadmess

mc.ambidecode~

mc.live.gain~

attrui

mc.dac~

mc.ambiencode~

I hope somebody can help me and give me a tipp how to solve it. I’m using ambisonics extension. This is connected to moving lights in space. Therfor I get via OSC data which I wanna proceed in Max/msp. 

I would be really happy if somebody may have an idea or even a solution. I hope the problem is somehow clear. 

 Hello, 
I hope somebody can help me and give me a tipp how to solve it. I’m using ambisonics extension. This is connected to moving lights 

calculation-math

volume factor is based on distance to the center of the circle.

You can relate the brightness of each single light to it's distance to the center of the circle. The center delivers the highest brightness, the light goes off at the border of the circle. You can find an appropriate curve with [function] in curve mode. x = distance from circle center, y = brightness, just experiment. I guess that you will need an inverted S-shaped curve for a most natural effect (Z-shaped, if you want).

For acoustic distance impression, or some "glue" between position, loudness and brightness, you have to change the sound accordingly. Greater sound distance means a quieter and duller sound. You may use similar and scaled curve data as for the lights.

Don't forget wall reflections at the final location, they can mask your carefully sculpted sound changes. Similar with extraneous light, which can can influence the effectiveness of your light curve. Would be be a good idea to have global adjustment possibilities right before the output of your patch.

For acoustic distance impression, or some "glue" between position, loudness and brightness, you have to change the sound accordingly. Greater sound distance means a quieter and duller sound. You may use similar and scaled curve data as for the lights. 

calculation/ math