The EFR Enhanced Full Rate helps to improve the call quality. It uses link adaptation to select from one of eight different bit rates based on link conditions.
It is also a file format for storing spoken audio. Many modern mobile phones will allow you to store short recordings in the AMR format.
Open source and commercial programs exist to convert between this and other formats such as MP3. It should be remembered that AMR is a speech format and is unlikely to give ideal results for other audio e. The common filename extension is. Open navigation menu. Close suggestions Search Search.
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Is this content inappropriate? Report this Document. Flag for inappropriate content. Download now. Related titles. Carousel Previous Carousel Next. Jump to Page. Search inside document. This is a very attractive proposition to Network operators. Half Rate offers worse speech quality - but more traffic capacity. Open navigation menu. Close suggestions Search Search. User Settings. Skip carousel. Carousel Previous. Carousel Next.
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