Forums > MaxMSP

HELP!!! Adding EQ, Reverb to wav files to create an random ambience!


CC
December 10, 2007 | 12:14 pm

Hi,
I am using MAX/MSP to create an random ambient sound. It uses random pitch, volume and timing that is applied to each audio file. They file sizes are limited, so i’m trying to create an random ambience without recording too much. I’m trying to add extra features such as EQ and Reverb.

Unfortuatly i’m new to max/msp and having problems building these into my project. If anyone has got any ideas please help me. lol.

Ive added my "simple" max/msp file so if anyone can look at it or add an eq system, reverb system or anything to make it more conplex, i will be very grateful. I’ve only got until next Monday to hand this in so time is an important factor.

My email is mr_myers666@yahoo.co.uk to contact me directly.

Thank you in advance


December 10, 2007 | 12:29 pm

Mmmm… maybe you want to find a programer and pay them to do this
for you, which would be cheating if this is a school project :-)

Somehow I doubt you will get any replies here unless you show that
you have tried making patches and state your problems, no one has
extra time on their hands to make patches for you.

P

On 10 Dec 2007, at 12:14, CC wrote:

> Hi,
> I am using MAX/MSP to create an random ambient sound. It uses
> random pitch, volume and timing that is applied to each audio file.
> They file sizes are limited, so i’m trying to create an random
> ambience without recording too much. I’m trying to add extra
> features such as EQ and Reverb.
>
> Unfortuatly i’m new to max/msp and having problems building these
> into my project. If anyone has got any ideas please help me. lol.
>
> Ive added my "simple" max/msp file so if anyone can look at it or
> add an eq system, reverb system or anything to make it more
> conplex, i will be very grateful. I’ve only got until next Monday
> to hand this in so time is an important factor.
>
> My email is mr_myers666@yahoo.co.uk to contact me directly.
>
> Thank you in advance
>
>



CC
December 10, 2007 | 12:36 pm

Maybe your right, but i’m hoping someone may have the spare time on thier hands.

I dont really know where to start with these things, Building the volume pitch etc took me ages and alot of understanding.

Im really stuck and hope there is someone who can help me. Its not cheating unless I copy and paste. I wanna use someones programming idea to help me understand a way in which it could be done.

My college is useless and only give use an hour help a week while helping 30 other ppl. Any programmers wanna earn some cash??? lol


December 10, 2007 | 12:45 pm

you can find all you need for free and with great explanations by looking in max example folder…



CC
December 10, 2007 | 12:47 pm

Nice one mate, where is that? lol.

Im gonna have another go at building something and then see if anyone can maybe fiddle with it.

Cheers ppl


December 10, 2007 | 12:49 pm

I’m not going to do your homework for you… but you’ll be able to hook
something up pretty quickly yourself if you look at the help files for
biquad~ and filtergraph~, as for reverb either search the lists for ways of
building it in max using delays, allpass etc, or look at maxobjects.com for
an external (you’ll probably get more marks for building it in max though!)

Simon

—–Original Message—–
From: maxmsp-bounces@cycling74.com [mailto:maxmsp-bounces@cycling74.com] On
Behalf Of CC
Sent: 10 December 2007 12:15
Subject: [maxmsp] HELP!!! Adding EQ,Reverb to wav files to create an random
ambience!

Hi,
I am using MAX/MSP to create an random ambient sound. It uses random pitch,
volume and timing that is applied to each audio file. They file sizes are
limited, so i’m trying to create an random ambience without recording too
much. I’m trying to add extra features such as EQ and Reverb.

Unfortuatly i’m new to max/msp and having problems building these into my
project. If anyone has got any ideas please help me. lol.

Ive added my "simple" max/msp file so if anyone can look at it or add an eq
system, reverb system or anything to make it more conplex, i will be very
grateful. I’ve only got until next Monday to hand this in so time is an
important factor.

My email is mr_myers666@yahoo.co.uk to contact me directly.

Thank you in advance



CC
December 10, 2007 | 1:17 pm

thanks simon….i’m using the fitler graph!!! And its lead me in the right direction to make eq. Still if anyone can help anymore, I will love you forever!


December 13, 2007 | 2:36 am

For reverb / delays look into tapin~ and tapout~. you can feed the output of tapout~ back into tapin~ for adjustable feedback. MULTIPLY the signal before you do this, by (say) an amount between 0.1 and 0.9… for safety’s sake, don’t go over 0.9 or so, experiment. Otherwise you will get mad feedback, have a quick way to shut off audio!! (spacebar). you literally can blow things up with feedback this way if you’re not careful. That said, this is a killer way to get reverb / delay.

filtergraph~ is great huh? you should cap the amounts in the Inspector though, it’s also really easy to get feedback here too. I usually use Resonant filter type, the "shelf" ones seem to feedback more easily (based upon how the mouse moves). Don’t rely only on the mouse — have number boxes to send values into the filtergraph~ to control the values more precisely. Hook up an mtr to these numbers, or to the filtergraph itself, to get more cool possibilities. (mtr works well in a ton of places.) If the filtergraph becomes unresponsive after this, just select the filter type again.

lots, lots more out there. try branching the outgoing signal, and multiplying that branch by an adjustable cycle~, add it back in, and you have ring modulation, or LFO if it’s subsonic. Cool possibilities there too, and totally easy to implement. an mtr on the freq and level of the modulating cycle~ is great too.

–CJ



CC
December 13, 2007 | 11:48 am

Cheers mate, really appriciate it. I’ll have a go this afternoon


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