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QCELP - MultimediaWiki
https://wiki.multimedia.cx/index.php/QCELP
QCELP, also known as Qualcomm PureVoice, is a vocoder developed in 1994 to increase the speech quality of the IS-96A codec used earlier in CDMA networks. It was replaced later with EVRC since it provides better speech quality with fewer bits. There are two versions available: QCELP8 and QCELP13 and they use 8 and 13 Kbit/s respectively.
RFC 3625 - The QCP File Format and Media Types for Speech ...
http://www.faqs.org/rfcs/rfc3625.html
IANA Considerations IANA has updated the audio/qcelp and audio/vnd.qcelp registrations and has added the audio/evrc-qcp and audio/smv-qcp registrations as specified here. 4.1. Update of Media Type Audio/qcelp The audio/qcelp media registration has been updated to indicate that this specification is to be used for storage. 4.2.
QCP Converter: Convert QCP file to MP3,WAV for easy play
https://www.qcpconverter.com/
The versatile QCP Converter can convert LG or Motorola recorded QCP file and QCP audio file with QCELP, EVRC codec, TIA IS-127 Enhanced Variable Rate Codec or Speech Service Option 3. Extract audio from various video. The powerful QCP Converter can also extract audio from video like convert YouTube, MP4, AVI, MTS, WMV, etc to audio.
QCELP | Article about QCELP by The Free Dictionary
https://encyclopedia2.thefreedictionary.com/QCELP
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.
Convert audio files to qcelp and/or midi - Audio and Video
https://www.bleepingcomputer.com/forums/t/241033/convert-audio-files-to-qcelp-andor-midi/
Convert audio files to qcelp and/or midi - posted in Audio and Video: Hi, I am trying to figure out how to convert a sound file such as an …
Alcatel Joy Tab 2 / TCL 9032W | DeviceAtlas
https://deviceatlas.com/device-data/devices/alcatel/9032w/61722384
The ability to play a video that includes audio encoded with QCELP (Qualcomm Code Excited Linear Prediction) codec. The device is able to play videos with audio encoded using QCELP. Please login to add your opinion for this property. 3GP H.264 Level 1.0 - restricted -
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