INSIDE AUDIO

May 02, 2012 / 12:27PM
Using B.S. 1770-1 for Fun and Profit
The protocol is for modifying the television audio signal to measure its magnitude in a way that more closely agrees with humans' subjective sense of loudness

Mar 29, 2012 / 02:49PM
More About the CALM Act: Compliance With B.S. 1770-1
My measurements sought to examine the question of variance of audio levels between channels and how this variance has changed (or not) over time.

Mar 06, 2012 / 09:45AM
Sum and Difference Signals Can Equal Fun
The first thing to keep in mind is that we are talking about a pair of signals here, not a single mono signal.

Feb 01, 2012 / 04:32PM
Are We CALM Yet?
You may recall I've been ranting about variance in loudness levels on broadcast television for numerous years.

Jan 03, 2012 / 04:00PM
Experiencing Envelopment: The Secret Sauce of Stereo
A key ingredient of almost any successful stereo production

Monitoring Low Frequencies in Surround Audio Production
As we've discussed, low frequencies don't do well coming out of small loudspeakers into smallish rooms.

Working Together—Small Rooms, Small Loudspeakers
Stable, consistent and predictable bass is one of the hardest things to obtain in a monitoring situation.

Helping Control Rooms Handle Low Frequencies
This is not easy to do, and impossible to do perfectly.

Can Sound Waves Stand Still?
This will actually take a couple of columns. I'll start with the idea of standing waves.

Listening to Audio on a Laptop
There are issues of dynamic range, maximum and minimum levels, subjective loudness qualities, spectrum and much more.