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Pakket: libgsm-tools (1.0.13-4)

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User binaries for a GSM speech compressor

This package 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.

Tags: Accessibility Support: Speech Synthesis, Implemented in: C, User Interface: interface::commandline, protocol::voip, Role: Program, Scope: Utility, Sound and Music: sound::compression, sound::player, Speech Synthesis, Purpose: Playing Media, Supports Format: works-with-format::TODO, works-with::audio

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Pakket downloaden voor alle beschikbare platforms
Platform Pakketgrootte Geïnstalleerde grootte Bestanden
amd64 42,7 kB163,0 kB [overzicht]
armel 20,4 kB147,0 kB [overzicht]
armhf 19,8 kB138,0 kB [overzicht]
i386 20,6 kB149,0 kB [overzicht]
ia64 48,1 kB192,0 kB [overzicht]
kfreebsd-amd64 42,7 kB121,0 kB [overzicht]
kfreebsd-i386 20,6 kB107,0 kB [overzicht]
mips 38,9 kB152,0 kB [overzicht]
mipsel 38,8 kB152,0 kB [overzicht]
powerpc 19,8 kB148,0 kB [overzicht]
s390 44,1 kB159,0 kB [overzicht]
s390x 44,1 kB169,0 kB [overzicht]
sparc 20,2 kB149,0 kB [overzicht]