GSM 06.10 Lossy Speech Compression. A lossy format for compressing speech which is used in the Global Standard for Mobile telecommunications (GSM). It’s good for its purpose, shrinking audio data size, but it will introduce lots of noise when a given audio signal is encoded and decoded multiple times. This format is used by some voice mail applications. It is rather CPU intensive.

GSM 06.10 Lossy Speech Compression

Is the most common format for storing audio. Almost any player on any platform can open mp3 files. The audio is compressed with loss of quality, but the loss is negligible for the typical user, and the file size is usually less than that of the original files.

MP3 Audio Format

MP2 is a lossy audio compression format developed by MPEG (Moving Picture Experts Group). It is widely used for audio broadcasting, while MP3 is more common for desktop and online programs. The format is supported only by some audio players, so you may need to convert it to a more popular one like MP3.

MPEG-1/2 Audio Layer 2

This format was originally intended for voice compression and is able to change the bit rates of encoded audio data. AMR is actively used for encoding and decoding voice while its being transmitted over network channels. The format allows one to consider network capacity and adapt it to channel loads. Due to this, the voice quality is practically undiminished.

Adaptive Multi Rate

This format was originally created as an alternative to mp3. The idea was to achieve a small file size with better sound quality. The first versions weren’t quite successful, but with the development of AAC, it became possible to store sound with less loss of quality, and with the same file sizes as that of mp3.

Advanced Audio Coding

This is open lossless codecs, developed under the Ogg project. Lately it’s become quite popular: many users wishing to store audio with original quality choose FLAC. This is partly in connection with the fact that codecs uses IDv1 and IDv3 tags - this allows a user to sort an audio collection according to one’s particular tastes, changing the original metadata of the tracks.

Free Lossless Audio Codec

Is a recording format, designed for use in movie theaters. Who is a direct competitor of Dolby Digital. It is used to accompany the film with the movie, as well as on optical video discs. It supports two modes of audio: 5.1 and 7.1, allows full bit rate in high end home theaters.

Conversions	Count
GSM to MP3	10
GSM to MP2	0
GSM to AMR	0
GSM to AAC	0
GSM to FLAC	0
GSM to DTS	0

Conversions	Count
AAC to GSM	0
DTS to GSM	0
FLAC to GSM	0
MP2 to GSM	0
MP3 to GSM	0

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GSM 06.10 Lossy Speech Compression

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