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Qualcomm code-excited
linear prediction (
QCELP), also
known as
Qualcomm PureVoice, is a
speech codec developed in 1994 by
Qualcomm to
increase the speech...
- Rate
Codec B (EVRC-B)
QCELP (Qualcomm Code
Excited Linear Prediction)
QCELP-8 (a.k.a.
SmartRate or IS-96C)
FFmpeg (decoder only)
QCELP-13 (a.k.a. PureVoice...
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Examples of
audio payload formats are G.711, G.723, G.726, G.729, GSM,
QCELP, MP3, and DTMF, and
examples of
video payloads are H.261, H.263, H.264,...
- format. In addition, 3G2
stores audio streams as EVRC, EVRC-B, EVRC-WB, 13K (
QCELP), SMV or VMR-WB,
which was
specified by 3GPP2 for use in ISO base media...
- encoded. Rather, it is a
container format. QCP
files are
typically encoded QCELP or EVRC. Qualcomm,
which originated the format, has
removed an internal...
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speech codec used in CDMA networks. It was
developed in 1995 to
replace the
QCELP vocoder which used more
bandwidth on the carrier's network, thus EVRC's...
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Linear PCM 16-bit
audio 705.6 kbit/s,
uncompressed RFC 3551, Page 27 12
QCELP audio 1 8000 20 20
Qualcomm Code
Excited Linear Prediction RFC 2658, RFC...
- 3GPP
Audio AMR-NB, AMR-WB (a.k.a. G.722.2) 3GPP2
Audio QCELP-8 (a.k.a.
SmartRate or IS-96C),
QCELP-13 (a.k.a.
PureVoice or IS-733) and
Enhanced Variable...
- LPCM, MP2, MP3, Vorbis, AAC, WMA, ALAC, AMR, QDM2, FLAC, TTA, IMA ADPCM,
QCELP, EVRC, RealAudio, etc.
External Codecs Media Priority to try to connect...
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added the
following features: 3GPP2 and AMC
mobile multimedia formats.
QCELP voice code.
Apple Lossless (in
version 6.5.1).
QuickTime 6.5.3 was released...
