The voice itself is a fairly stunning technical achievement, an audio equivalent of "morphing" in which changes of timbre are virtually seamless.

What his albums have become is the audio equivalent of reality television.

The odd noises were the audio equivalent of a shadow glimpsed from the corner of his eye.

In essence, it was the audio equivalent of a traffic signal.

Her voice sounded eerily like synthesized speech on a computer, the audio equivalent of Courier font.

A microburst is the audio equivalent of a microdot.

The messages are the audio equivalent of peripheral vision.

Her voice was the audio equivalent of Katerina's dress, husky and full of forbidden promise.

There is no audio equivalent to averting your glance, no ear-lids you can discreetly close.

Worse still, many bike owners remove the mufflers to amplify their pleasure, making our streets the audio equivalent of a jet runway.