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libgsm-bin

User binaries for a GSM speech compressor.

Contains user binaries for libgsm, an implementation of the European GSM 06.10 provisional standard for full-rate speech transcoding, prI-ETS 300 036, which uses RPE/LTP (residual pulse excitation/long term prediction) coding at 13 kbit/s.

GSM 06.10 compresses frames of 160 13-bit samples (8 kHz sampling rate, i.e. a frame rate of 50 Hz) into 260 bits; for compatibility with typical UNIX applications, our implementation turns frames of 160 16-bit linear samples into 33-byte frames (1650 Bytes/s). The quality of the algorithm is good enough for reliable speaker recognition; even music often survives transcoding in recognizable form (given the bandwidth limitations of 8 kHz sampling rate).

The interfaces offered are a front end modelled after compress(1), and a library API. Compression and decompression run faster than realtime on most SPARCstations. The implementation has been verified against the ETSI standard test patterns.

Homepage:-
Package version:1.0.10-6
Architecture:i386
Distribution:Other
Filename:libgsm-bin_1.0.10-6.deb

/usr/man/man1/toast.1.gz

TOAST(1)                                                    TOAST(1)



NAME
       toast — GSM 06.10 lossy sound compression

SYNOPSIS
       toast [ -cdfpvhualsFC ] [ filename... ]

       untoast [ -cfpvhuaslF ] [ filename... ]

       tcat [ -vhuaslF ] [ filename... ]

DESCRIPTION
       Toast  compresses  the sound files given on its command line.
       Each file is replaced by a file with
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