QCELP


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Related to QCELP: Evrc

QCELP

(Qualcomm Code Excited Linear Prediction) A codec from Qualcomm developed to improve the speech quality in IS-95A CDMA networks. QCELP files use the .3G2 file extension. See CDMA and IS-95A.
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Other features and functions include two-way Short Messaging Service (SMS) capabilities; simple and mobile IP; AT command interface; dual UARTs; analog audio; two RF connectors; high-speed packet--and circuit-switched data; and support for both 13k QCELP and EVRC vocoders.
QuickTime 6.5 offers support for the 3GPP and 3GPP2 wireless standards including Advanced Audio Coding (AAC), Adaptive Multi-Rate (AMR) and Qualcomm Code Excited Linear Predictive (QCELP) audio codecs, MPEG-4 and H.263 video codecs, 3G Timed Text, native '.3gp' and '.3g2' file formats, and support for Movie Fragments, according to Apple.
Improvements over the version 1.0 include an animation player, QCELP audio support, a MIDI wavetable synthesizer and a faster still image decoder.