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G.722 Last modified: Wednesday, May 07, 2008
An International Telecommunications Union (ITU-T) standard for for audio (speech) compression and decompression that is used in digital transmission systems, and in particular, used for the coding of analog signals into digital signals. G.722 is an ITU-T standard codec that uses sub-band adaptive differential pulse code modulation (SB-ADPCM) within a bit rate of 64 kbit/s. The system is referred to as 64 Kbps (7 kHz) audio coding. SB-ADPCM splits the frequency band into two sub-bands (higher and lower) and the signals in each sub-band are encoded using ADPCM. Extensions to the G.722 standard include the following; G.722.1 - Is the ITU-T standard for low-complexity coding at 24 and 32 kbit/s for hands-free operation in systems with low frame loss. G.722.2 -  Is the ITU-T standard for coding at 24 and 32 kbit/s for hands-free operation in systems with low frame loss. See G.7xx for more information on how these standards are used in telephony networks.
Enterprise VoIP Planet The IT Manager's Guide to Voice over IP ITU Recommendation G.722 7 kHz audio-coding within 64 kbit/s Six Steps to Getting Your Network Ready for Voice over IP Using low bandwidth CODECs helps reduce bandwidth requirements however due to the overhead of IP, UDP and RTP protocols, such reduction is limited. The International Telecommunication Union The International Telecommunication Union is an international organization within which governments and the private sector coordinate global telecom networks and services. This home page offers numerous links to highlights and current topics, standardization, radiocommunication, telecommunication, and general secretariat sectors. Webopedia's Quick Reference Section Use this Webopedia reference section for information on common Internet and computer facts and occurrences.	Related Categories Internet Protocols Standards Telecommunications Related Terms analog compression G.711 G.721 G.723 G.726 G.727 G.728 G.729 G.7xx Internet telephony ITU SB-ADPCM telecommunications VoIP G 722 Products : Top Store Offers: FansEdge  29.99Sometimes showing off your team just isn't enough - you have to look good doing it, too. Ladies, you know what I'm talking about. Fashion meets fanhoo... FishUSA.com  150.00The G. Loomis Classic Casting Rods shine when fishing on banks where heavy cover prevents use of a long rod. They are shorter than their Mag Bass cous... eBay  72.95Please note that we are unable to ship to a PO Box, APO/FPO, AK, HI, PR or to any address outside of the 48-state US via eBay. Please see table below ... Amazon Marketplace  31.82Tighten better, hold zero and feature an attractive 70/30 split. Asymmetrical clamp allows For adjustment so the Rings fit evenly on receivers with a ... Black Bear Sporting Goods  23.27Tighten better, hold zero and feature an attractive 7030 split. Asymmetrical clamp allows for adjustment so the rings fit evenly on receivers with a s... Compare all matches: 36 Store Offers