VU And PPM Audio Metering


Posted on May 5, 2012

VU (Volume Unit) meters used to be the mainstay of audio metering systems, but they have been replaced by LED metering in a great many mixers and other applications. Even in software, the most common level meter is made to look like an LED meter. The Peak Programme Meter (PPM) was originally developed by the BBC to overcome the shortcomings of the VU meter, which is notoriously bad at showing the peak signal level. The VU meter is average reading, and the ballistics are important if an accurate reading is to be obtained.


VU And PPM Audio Metering
Click here to download the full size of the above Circuit.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

12V to 3V Car adapter
A/D converter 16Bit with LCD and PIC18F2550
Lights-On Warning
Fm-transmitter 6
Relay Sequencer Board
tube tester
No Comment Added
Direct FM
5474 tips



Top