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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 …
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.
VoiceAge - AMR-WB+ (Extended Adaptive Multi-Rate Wideband)
http://www.voiceage.com/AMR-WBplus.html
Now a breakthrough technology — Extended AMR Wideband (AMR-WB+) — addresses mixed speech and audio content at low bit rates. As an extension of the AMR-WB standard, the AMR-WB+ audio codec combines advanced audio coding technology with unrivaled speech coding technology, allowing service providers to deliver consistent high-quality audio ...
ARC Audio AMR-WB (G.722.2) Encoder and Decoder | …
https://www.synopsys.com/dw/ipdir.php?ds=arc_audio_amrwb_codec
AMR-WB is defined in ITU standard G.722.2 and referred to as wideband coding of speech using Adaptive Multi-Rate Wideband. Compared to AMR-NB (300-3400Hz) AMR-WB has a much wider bandwidth (50-7000Hz) and provides a much better audio quality.
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 ...
With CodecPro Speech and Audio Codec Implementations
https://codecpro.com/codecsAMR-WB.html
- Implementations of standard Codecs. Free Trial State-of-the-Art Speech & Audio Codecs. Try a CodecPro fully functional evaluation package. All our evaluation packages have the same footprint & API as our commercial packages. Find out more. Browse Our Codecs. High Tech CodecPro Clients.
Audio Samples - VoiceAge - codec solutions
http://www.voiceage.com/Audio-Samples.html
The AMR-WB+ audio sample player clearly demonstrates the versatility and stellar performance of this technology across diverse combinations of music and speech, even at remarkably low bit rates. Standard Wideband Codecs Demo showcases the rich wideband speech quality of the AMR-WB/G.722.2 and VMR-WB standard codecs at various bit rates.
RFC 4867 - RTP Payload Format and File Storage Format for ...
https://tools.ietf.org/html/rfc4867
RFC 4867 RTP Payload Format for AMR and AMR-WB April 2007 The term "frame-block" is used in this document to describe the time-synchronized set of speech frames in a multi-channel AMR or AMR-WB session. In particular, in an N-channel session, a frame- block will contain N speech frames, one from each of the channels, and all N speech frames represents exactly the same …
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