speech compression

speech compression

[′spēch kəm‚presh·ən]

(communications)

Modulation technique that takes advantage of certain properties of the speech signal to permit adequate information quality, characteristics, and the sequential pattern of a speaker's voice to be transmitted over a narrower frequency band than would otherwise be necessary.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

speech compression

Encoding digital speech to take up less storage space and transmission bandwidth. The PCM, ADPCM, CELP and LD-CELP methods are commonly used for speech compression. See speech codec and data compression.

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