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AMR, Adaptive Multi-Rate Speech Codec
https://www.loc.gov/preservation/digital/formats/fdd/fdd000254.shtml
Format Description for AMR -- Audio data compression scheme optimized for speech coding, adopted in October 1998 as the standard speech codec by 3GPP (3d Generation Partnership Project) and now widely used in GSM (Global System for Mobile Communications). The AMR bit rates of 12.2, 10.2, 7.95, 7.40, 6.70, 5.90, 5.15 and 4.75 kb/s are based on frames …
AMR - Adaptive Multi-Rate Codec File
https://docs.fileformat.com/audio/amr/
The file with .amr extension is an audio data format relevant to Adaptive Multi-Rate audio codec; consists of a multi-rate narrowband speech codec which encodes narrowband signals at 4.75-12.2 kbit/s bit rate with toll quality speech starting at 7.4 kbit/s; uses link adaptation to select from one of eight different bit rates based.
What Is an AMR File & How to Play/Convert It
https://videoconvert.minitool.com/video-converter/amr-file.html
AMR is the abbreviation of Adaptive Multi-rate Audio Codec. It is an audio compression format optimized for speech coding. In addition, the AMR file format can also be used to store spoken audio using the same codec. AMR was adopted as the standard speech codec by 3GPP in 1999 and is now widely used in GSM and UMTS.
CODECPRO AMR CODEC - optimized codec solutions for ...
https://codecpro.com/en/codecs/codec_specifications/10/AMR
CODECPRO AMR CODEC 3GPP MANDATORY STANDARD CODEC. AMR was designed to allow transcoder-free connectivity between GSM, US-TDMA and PDC networks; AMR is the 3GPP mandatory standard codec for narrowband speech over GSM, WCDMA, GPRS and EDGE networks. AMR operates at 8 bitrates in the range of 4.75 to 12.2 kbps and was specifically designed to ...
How To Fix Amr-nb Codec – Bashogist
https://bashogist.com/en/amr-nb-codec/
Adaptive Multi-Rate Audio Codec (AMR or amr-nb GSM-AMR) is an audio print format optimized for speech encoding. The AMR codec language is a huge multi-rate narrowband codec language that encodes narrowband signals (200-3400 Hz) with variable bitrates from 4.75 to 12.2 kbps, and quality over long distances [3 ] starting at 7.4 kbps.
How to Play AMR Files on VLC
https://www.leawo.org/entips/how-to-play-amr-files-on-vlc-1389.html
A file with the AMR file extension is an Adaptive Multi-Rate ACELP Codec file. ACELP is a human speech audio compression algorithm that stands for Algebraic Code Excited Linear Prediction. Adaptive Multi-Rate is a compression technology used for encoding audio files that are primarily speech-based, like for cell phone voice recordings and VoIP ...
AMR Player, Free AMR audio player and AMR to MP3 or …
http://www.amrplayer.com/
AMR is also a file format for storing spoken audio using the AMR codec. Many modern mobile telephone handsets will allow you to store short recordings in the AMR format, it should be remembered that AMR is a speech format and is unlikely to give ideal results for other audio. The common filename extension is .amr.
Amr Codec - CNET Download
https://download.cnet.com/s/amr-codec/
Amr Codec free download - Media Player Codec Pack, IDT High Definition Audio CODEC, Codec Decoder Pack, and many more programs
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