AMR-WB

Short for Adaptive Multi Rate — WideBand AMR-WB is a standard speech codec that uses a wider bandwidth of 50 to 7000 Hz to offer a higher speech quality. AMR-WB is the ITU-T G.722.2 specification and is standardized for used in networks such as UMTS.

Vangie Beal

Vangie Beal is a freelance business and technology writer covering Internet technologies and online business since the late '90s.