Chuyển file amr sang mp3 online


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AMR (Audio)

File extension .amr
Category Audio File
Description The Adaptive Multi-Rate format was specifically designed for speech coding. Many phone providers use the AMR format khổng lồ store short audio recordings but shouldn"t really be used khổng lồ store other audio such as music due lớn it"s design. In 1999 AMR was adopted as the chosen speech standard for 3GPP. The AMR file is often converted into other formats khổng lồ allow for use và ease of distribution.

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Technical Details The AMR codec uses eight source codecs with bit-rates of 12.2, 10.2, 7.95, 7.40, 6.70, 5.90, 5.15 & 4.75 kbit/s & has a sampling frequency of 8kHz which is filtered lớn 200-3400 Hz. The AMR algorithm utilises liên kết adaptation in order to be utilised with radio channel & capacity requirements.

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Associated programs apple QuickTime Realplayer VLC media Player Winamp
Developed by 3rd Generation Partnership Project (3GPP)
MIME type audio/amr
Useful links

MP3 (Audio)

File extension .mp3
Category Audio File
Description MP3 is a digital music format which allows CD tracks lớn be reduced khổng lồ around a tenth of their normal kích thước without a significant loss of quality. MP3 gets rid of a lot of the information recorded in a tuy nhiên that our ears are not able lớn hear & then uses complex algorithms lớn reduce the tệp tin size. This then enables you lớn get hundreds of songs on khổng lồ a CD & it also has opened up a new market over the mạng internet - the download market as tải về times have been significantly reduced.
Technical Details The MP3 format is a lossy format. That means that an MP3 file does not contain 100% of the original audio information. Instead, MP3 files use perceptual coding. In other words, that means it removes the information that your ear doesn"t notice thereby making the tệp tin smaller. The reason lossy formats are used over RAW is that RAW audio files are too large khổng lồ travel over the internet at any great speed. By using lossy formats it enables even dial up users to tải về mp3 files at a reasonable speed. RAW file formats generally require 176,000 bytes per second compared khổng lồ a lossy format which requires 17,600. The difference is massive và so are the download times.
Associated programs RealOne WinAmp iTunes Windows truyền thông Player
Developed by Moving Picture Experts Group
MIME type audio/mpeg
Useful links

Convert AMR file

Using it is possible khổng lồ convert AMR files lớn a variety of other formats

amr to lớn aac (Advanced Audio Coding File) amr to ac3 (AC3 Audio File) amr khổng lồ flac (Free Lossless Audio Codec) amr to lớn ogg (Ogg Vorbis Compressed Audio File)

AMR khổng lồ MP3 - Convert file now