[PD] Acoustic conversion.

[Frank Barknecht]

Hallo,
Alex from Idoia hat gesagt: // Alex from Idoia wrote:

> I would like to understand the purpose of the objects [rmstodb] 
> [dbtorms] [powtorms].
> I understand (...) what are Decibels and RMS (not Power, sorry) but I 
> do not know how to use them in pd.
> For example when using the object [*~] I know that the value 0 in its 
> right inlet correspond to a mute but I have not idea what is the 
> maximum I can set before distorting the signal in my speaker. Also, if 
> I play a sound file from my hard disk, I do not know how to set a 
> vslidder for example to set the volume of my file. Finaly, when using 
> [threshold], I do not know how the arguments are expressed ,db, rms 
> other ?

The "default" if one could call it this, is a range from 0-1. If you
load a normalized soundfile into a table, the peak value will be 1.
If you send a signal greater than 1 to the dac~ it will clip and
click.

ciao
-- 
 Frank Barknecht                               _ ______footils.org__