Package: libgsm1-dev (1.0.22-1 and others)
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- Homepage [www.quut.com]
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Development libraries for a GSM speech compressor
This package contains header files and development 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.
Other Packages Related to libgsm1-dev
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Download libgsm1-dev
Architecture | Version | Package Size | Installed Size | Files |
---|---|---|---|---|
alpha (unofficial port) | 1.0.22-1 | 52.1 kB | 150.0 kB | [list of files] |
amd64 | 1.0.22-1+b1 | 33.5 kB | 120.0 kB | [list of files] |
arm64 | 1.0.22-1+b1 | 32.1 kB | 110.0 kB | [list of files] |
armel | 1.0.22-1+b1 | 30.6 kB | 98.0 kB | [list of files] |
armhf | 1.0.22-1+b1 | 30.3 kB | 88.0 kB | [list of files] |
hppa (unofficial port) | 1.0.22-1 | 39.0 kB | 117.0 kB | [list of files] |
i386 | 1.0.22-1+b1 | 34.3 kB | 122.0 kB | [list of files] |
ia64 (unofficial port) | 1.0.22-1 | 47.3 kB | 168.0 kB | [list of files] |
m68k (unofficial port) | 1.0.22-1 | 32.3 kB | 113.0 kB | [list of files] |
mips64el | 1.0.22-1+b1 | 39.1 kB | 131.0 kB | [list of files] |
ppc64 (unofficial port) | 1.0.22-1 | 37.6 kB | 123.0 kB | [list of files] |
ppc64el | 1.0.22-1+b1 | 36.5 kB | 120.0 kB | [list of files] |
riscv64 | 1.0.22-1+b1 | 61.7 kB | 478.0 kB | [list of files] |
s390x | 1.0.22-1+b1 | 36.8 kB | 117.0 kB | [list of files] |
sh4 (unofficial port) | 1.0.22-1 | 37.6 kB | 97.0 kB | [list of files] |
sparc64 (unofficial port) | 1.0.22-1 | 36.5 kB | 121.0 kB | [list of files] |
x32 (unofficial port) | 1.0.22-1 | 36.0 kB | 112.0 kB | [list of files] |