IS-641

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TIA/EIA standard IS-641 is a speech coding standard released in 1996[1] and used in some computer and telecommunications networks in the United States. The main usage was in the U.S. TDMA networks defined by IS-136.[2][3] The bit rate of the speech codec is 7.4 kbit/s.[1] This codec is the same as the 7.4 kbit/s mode in the AMR speech codec.Script error: No such module "Unsubst". The standard was supersededScript error: No such module "Unsubst". by TIA/EIA-136-410's release in 1999.[4]

References

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