G.7xx

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What Does G.7xx Mean?

G.7xx refers to a suite of the International Telecommunications Union for Telecommunications (ITU-T) standard for audio compression and decompression. They are used in digital transmission systems and for coding analog signals into digital. This family of standards is included in the G series ITU recommendations.

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The specifications in G.7xx family include G.711, G.721, G.722, G.723, G.26, G.728, G.729, etc.

Techopedia Explains G.7xx

G.7xx is an ITU-T standard, which includes G.711, G.721, G.722, G.726, G.727, G.728 and G.729 for audio compression and decompression. They are widely used in cellular and Internet telephony including Voice over Internet Protocol (VoIP) communications.

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Margaret Rouse
Senior Editor
Margaret Rouse
Senior Editor

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.