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answers.yahoo.com/question/index?qid=20090121205959AAke8op - 29k -

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Posted by crouse

A -law is the one of the commonly used technique used for compression and expansion of voice signals in voice telephony.

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Posted by bs_aggarwal

The most commonly used compress/expand algorithm in other part of world (Not in North America and Joan) which has higher idle channel noise compared to U-Law.

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Posted by priyadarshan