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gsm - Shared libraries for GSM speech compressor
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 162 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.
Packages
Latest: gsm-1.0.13-6.el6.fio.i686.rpm
| Name |
Epoch |
Version |
Release |
Arch |
Size |
Built |
| gsm |
0 |
1.0.13 |
6.el6.fio |
i686 |
26 KiB |
2011-07-14 11:24:17 |
Changelog:
- * 2010-02-18 - Jaroslav Škarvada <jskarvad[AT]redhat[DOTCOM]> - 1.0.13-4
- Update Source and URL
- * 2010-02-18 - Jaroslav Škarvada <jskarvad[AT]redhat[DOTCOM]> - 1.0.13-3
- Fix rpmlint warnings
- Update Source and URL, because upstream home page seems deleted
- * 2009-11-30 - Dennis Gregorovic <dgregor[AT]redhat[DOTCOM]> - 1.0.13-2.1
- Rebuilt for RHEL 6
- * 2009-07-29 - Jeffrey C. Ollie <jeff[AT]ocjtech.us> - 1.0.13-2
- Fix dangling symlinks for shared lib, thanks to Lucian Langa for pointing out the issue.
- * 2009-07-28 - Jeffrey C. Ollie <jeff[AT]ocjtech.us> - 1.0.13-1.1
- Upload sources