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An Introduction to Compression: Basic Compression - A free download from Audio Masterclass

An Introduction to Equalization - A free download from Audio Masterclass

Equipping Your Home Recording Studio - A free download from Audio Masterclass

What is production? Part 1: A&R

Make an attention-getting lo-fi introduction for a track

When using a drum virtual instrument, should you record each drum to its own individual track?

What exactly does the phrase 'leave headroom for mastering' mean?

One simple step you must take to make sure your masters sound really great

What is production? Part 4: Mixing

Why choosing a key for your song is one of the most important aspects of preparation for production and recording

Recordings of speech by newly-starting Audio Masterclass students

The importance of monitoring in the recording studio

How to double track easily and efficiently

When working in a new theatre, always find out where the tielines go

Any theatre would have tielines from the stage to the sound control booth. But from one side of the booth's window to the other?


The pictures will tell the story. It's a twin, unscreened stranded pair cable, of no use to audio. It starts here...

A strange tieline

Continues here...

A strange tieline

And ends here, just on the other side of the window...

A strange tieline

What its purpose is remains a mystery, but it surely must be useful for something. Any ideas?

P.S. Did you want a close-up?

A strange tieline

Curious. Rather more worrying is something else you might have have noticed in one of the photos...

A dangerous mains cable

It's a 230-volt mains cable with the live and neutral bare, and the earth cut back. I don't know about you but I'm getting out of here...!

By David Mellor Sunday April 28, 2013
Online courses from Audio Masterclass