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[ Källkod: libgsm  ]

Paket: libgsm1 (1.0.22-1)

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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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Hämtningar för alla tillgängliga arkitekturer
Arkitektur Paketstorlek Installerad storlek Filer
amd64 30,2 kbyte92,0 kbyte [filförteckning]
arm64 28,1 kbyte95,0 kbyte [filförteckning]
armel 27,5 kbyte95,0 kbyte [filförteckning]
armhf 27,2 kbyte95,0 kbyte [filförteckning]
i386 30,6 kbyte95,0 kbyte [filförteckning]
mips64el 34,6 kbyte97,0 kbyte [filförteckning]
mipsel 33,7 kbyte97,0 kbyte [filförteckning]
ppc64el 32,7 kbyte95,0 kbyte [filförteckning]
s390x 35,6 kbyte91,0 kbyte [filförteckning]