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AMR-WB, Adaptive Multi-Rate - Wideband Speech Codec
https://www.loc.gov/preservation/digital/formats/fdd/fdd000255.shtml
Format Description for AMR-WB -- Audio data compression scheme optimized for speech coding in GSM (Global System for Mobile Communications) and UMTS (Universal Mobile Telecommunications System), an elaboration of AMR. Compared to narrowband speech codecs (like AMR) optimized for traditional telephone voice quality of 300-3400 Hz, the AMR-WB …
AMR-WB+, Extended Adaptive Multi-Rate - Wideband …
https://www.loc.gov/preservation/digital/formats/fdd/fdd000253.shtml
The AMR-WB+ audio codec contains all the AMR-WB speech codec modes 1-9 and AMR-WB VAD and DTX. AMRWB+ extends the AMR-WB codec by adding TCX, bandwidth extension, and stereo. The AMR-WB+ audio codec processes input frames equal to 2048 samples at an internal sampling frequency Fs . The internal sampling frequency is limited to the range …
CODECPRO AMR-WB+ (EXTENDED AMR-WB) CODEC
https://codecpro.com/en/codecs/codec_specifications/12/AMR-WB
CODECPRO AMR-WB+ (EXTENDED AMR-WB) CODEC 3GPP SPEECH AND AUDIO STANDARD CODEC. The AMR-WB+ speech and audio codec is the 3GPP-recommended hi-fi audio codec for MMS, PSS and MBMS services over GSM and WCDMA networks. AMR-WB+ is also recommended for DVB-H applications.
AMR-WB/G.722.2 - VoiceAge - codec solutions
http://www.voiceage.com/AMR-WB.G.722.2.html
The AMR-WB speech codec utilizes the ACELP ® (Algebraic Code Excited Linear Prediction) technology, which is also employed in the AMR narrowband and EFR speech codecs as well as in ITU-T G.729 and G.723.1 at 5.3 kbps. The AMR-WB speech codec consists of nine bit rates of 23.85, 23.05, 19.85, 18.25, 15.85, 14.25, 12.65, 8.85 and 6.6 kbps and ...
AMR-WB codec - Audio forum - Audio - TI E2E support forums
https://e2e.ti.com/support/audio-group/audio/f/audio-forum/696888/amr-wb-codec
I am an RF engineer dabbling in the area of mobile telephony. I need an AMR_WB codec for speech (speaker and microphone). Or at least that is what the Internet is telling me. I intend to do the radio as a LTE radio with one speaker and one microphone input. Can you recommend a codec that will go the ...
EVS Codec Reveals Superior Performance over AMR-WB …
https://www.spirent.com/blogs/evs-codec-reveals-superior-performance-over-amr-wb
Previous AMR-WB audio codecs can manage approximately 3% of lost frames without critical artifacts, but there is noticeable distortion. In comparison, the EVS codec can perform FEC on more than 15% of lost frames without critical artifacts and still maintain relatively clear voice signals.
G.722.2 GSM-AMR WB Audio Coder | Adaptive Digital
https://www.adaptivedigital.com/g-722-2/
The Adaptive Digital Technologies G.722.2 Audio Coder is a real-time implementation of the ITU G.722.2 audio coder also referred to as the Adaptive Multi-Rate Wideband (AMR-WB)codec. Wideband speech coding is a substantial feature in high-fidelity telephony and in telecommunications processes such as audio teleconferencing and program broadcasting.
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