
Dave Moulton
Latest articles by Dave Moulton

More About the CALM Act: Compliance With B.S. 1770-1
By Dave Moulton published
My measurements sought to examine the question of variance of audio levels between channels and how this variance has changed (or not) over time.

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

Learning What's Involved In Critical Listening
By Dave Moulton published
You need good speakers, placed well in a good room.

Thinking About Equalization: The Audio
By Dave Moulton published
One major determinant of timbre is the distribution of energy across the audio spectrum.

Spectral Management: Organizing Multitrack EQ
By Dave Moulton published
This process will have the effect of making your mixes clearer, more transparent, a little louder for a given maximum level and generally a little "nicer.
Producing Audio With A Center Channel
By Dave Moulton published
This month I’d like to spend a little more time discussing the center channel, concentrating on some of the production issues we have to deal with.
Where Are We? This is Where!
By Dave Moulton published
Last month, I reviewed the Modulation Sciences SpiderVision Surround Sound signal level meter. As the lead-in to that review, I noted Lord Kelvin’s dictum that to measure is to know.

Attack and Release
By Dave Moulton published
Compressors go back and forth between the realm where the level change can occur to each individual sound and the realm where we are changing the overall level for a while.

Detecting Level and How It Sounds
By Dave Moulton published
Our perception of loudness varies as a function of amplitude, frequency, frequency bandwidth and time. It is a complex sensation.
Listening To Our Audio
By Dave Moulton published
Last month, I hinted at some of the things we can do to make our use of loudspeakers for audio monitoring more effective.
A/V 106: Surround Sound For Broadcast TV
By Dave Moulton published
This column will be devoted to the basics of surround sound for video, as part of my series for non-audio folks.
Revenge of the Couch Potato
By Dave Moulton published
Our Story To Date. Alert readers may recall my recent concern with the variance in audio levels as experienced by us home viewers.

Audio Levels: How Are We Doing?
By Dave Moulton published
Dave Moulton takes another look at TV audio levels in advance of the CALM Act next month.

The CALM Act and How to Use Your Audio Meters
By Dave Moulton published
“I’m a TV engineer from the old school, so of course I never read articles about audio. The CALM Act changes that, of course.”

‘But It Sounds the Same’: Why Audio Measurements Differ
By Dave Moulton published
You may recall that we’ve been grappling with the measurement of audio loudness and the implications of the ITU’s B.S. 1770-1 standard for the measurement of loudness, in support of the CALM Act.

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

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