variable speech control
variable speech control[′ver·ē·ə·bəl ′spēch kən‚trōl]
A method of removing small portions of speech from a tape recording at regular intervals and stretching the remaining sounds to fill the gaps, so that recorded speech can be played back at twice or even 2½ times the original speed without changing pitch and without significant loss of intelligibility. Abbreviated VSC.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.