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[ Bron: libgsm  ]

Pakket: libgsm1 (1.0.22-1 en anderen)

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Shared libraries for GSM speech compressor

This package contains runtime shared libraries 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, this 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.

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Pakket downloaden voor alle beschikbare platforms
Platform Versie Pakketgrootte Geïnstalleerde grootte Bestanden
alpha (unofficial port) 1.0.22-1 45,8 kB160,0 kB [overzicht]
amd64 1.0.22-1+b2 28,6 kB90,0 kB [overzicht]
arm64 1.0.22-1+b2 26,6 kB94,0 kB [overzicht]
armel 1.0.22-1+b2 25,8 kB69,0 kB [overzicht]
armhf 1.0.22-1+b2 25,3 kB61,0 kB [overzicht]
hppa (unofficial port) 1.0.22-1+b1 32,3 kB90,0 kB [overzicht]
i386 1.0.22-1+b2 29,4 kB97,0 kB [overzicht]
ia64 (unofficial port) 1.0.22-1 41,7 kB132,0 kB [overzicht]
m68k (unofficial port) 1.0.22-1+b1 25,3 kB85,0 kB [overzicht]
mips64el 1.0.22-1+b2 33,2 kB95,0 kB [overzicht]
ppc64 (unofficial port) 1.0.22-1+b1 31,5 kB93,0 kB [overzicht]
ppc64el 1.0.22-1+b2 31,9 kB93,0 kB [overzicht]
riscv64 1.0.22-1+b2 32,6 kB73,0 kB [overzicht]
s390x 1.0.22-1+b2 32,0 kB81,0 kB [overzicht]
sh4 (unofficial port) 1.0.22-1+b1 31,1 kB93,0 kB [overzicht]
sparc64 (unofficial port) 1.0.22-1+b1 29,2 kB1.054,0 kB [overzicht]
x32 (unofficial port) 1.0.22-1+b1 29,2 kB89,0 kB [overzicht]