.AMR 파일 확장자

Adaptive Multi-Rate Codec File

개발사	Ericsson
인기도	3.4 \| 750 투표

AMR 파일이란 무엇인가요?

An AMR file is an audio file saved in a compressed format developed by Ericsson. It is optimized for storing spoken audio and is used by many 3G cell phones to store voice recordings, which include MMS messages. Various media players can open AMR files, including VideoLAN VLC media player and Apple QuickTime Player.

추가 정보

VideoLAN VLC media player에서 열린 .amr 파일의 스크린샷 — VideoLAN VLC media player에서 열린 AMR 파일

AMR files incorporate the Algebraic Code Excited Linear Prediction (ACELP) algorithm, designed to compress human speech audio efficiently. Additionally, the files may be saved in the AMR-NB (Narrowband) or AMR-WB (Wideband) format. Wideband audio supports a broader frequency range, providing better sound quality.

AMR 파일을 여는 방법

You can open and play an AMR file in VideoLAN VLC media player (multiplatform), Microsoft Media Player (Windows), or Apple QuickTime Player (Mac). You can also edit the audio data an AMR file contains in Audacity (multiplatform), provided you've installed Audacity's optional FFmpeg library.

AMR 파일을 변환하는 방법

VideoLAN VLC media player, FFmpeg, and Audacity (with the optional FFmpeg library installed) can convert AMR files to other audio file types. For example, VLC media player can convert AMR files to the following formats: