The reason for this is that they were designed from physical models rather than from computer manipulations.

Typically, it involves computer manipulation where the computing device is under the control of an unknown third party.

We're dealing with somebody who is an expert at computer manipulation.

He said his next album, though it would be full of computer manipulation, used no electronic sounds.

Even the computer manipulations it endures in "Believe" can't make it sound like anyone else's.

It would seem more likely that Ms. Mel did a bit of computer manipulation to get this color.

There are also six purely electronic interludes created by computer manipulation of harp sounds.

The core of Bromova's work is photographic; she often uses computer manipulation or adds objects.

"In my aerospace work, I had people who had done the computer manipulation for me," he said.

Software that can reliably detect patterns of computer manipulation does not now exist.