[sdiy] reverb mad from multiple delays

[cheater cheater]

I think the more important aspect between cold/hot is related to how
blood circulation works in your ear. By my experience it outweights
external aspects of air itself. But then again, it's fun to consider
that in a small night club, as people heat the club up with body heat
and make it damp with sweat, all because of the driving bass, they
actually receive more bass that makes them even crazier.

D.

On Fri, Oct 23, 2009 at 9:00 AM, Steve Carter <steve at willacy.co.uk> wrote:
> It's interesting to see that Barry Blesser is considering thermal variations
> in the air and the effect on the speed of sound.  A useful link for a
> calculator on this is
>  http://www.sengpielaudio.com/calculator-airpressure.htm
>
> Another factor with audio reproduction is the transmission efficiency, or
> coupling, between the movement of air by a loudspeaker cone and the human
> ear.  This is very much frequency dependent and the air temperature and
> humidity affect quite considerably what the ear hears from the loudspeaker,
> especially in a 'live room' situation where surface reflections 'amplify'
> these differences.  Listening to the same mix of a song in the control room
> of a non air-conditioned studio at the end of a session when the room is dry
> and warm, can sound very different when the room is damp and cold even
> allowing for the psychological difference.  It's an interesting topic and a
> factor that is often overlooked when working with audio.
>
> Steve
>
>> Sean Costello is a DSP reverb guy who has blogged a bit about the sound of
>> old digital reverb units. There might be some info to point you in the right
>> direction. Maybe start here:
>>
>> http://valhalladsp.wordpress.com/2009/07/30/modulation-in-reverbs-reality-and-unreality/
>>
>> There are some other posts he made as well with good info and links for
>> further research...
>>
>> -Chris
>>
>
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