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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
| Name |
Version |
Release |
Type |
Size |
Built |
| gsm |
1.0.12 |
3.fc6 |
i386 |
49 KiB |
Sun May 13 08:00:15 2007 |
Changelog
- * Sun May 13 18:00:00 2007 Dominik Mierzejewski <rpm[AT]greysector.net> 1.0.12-3
- fix parallel make
- * Fri May 11 18:00:00 2007 Dominik Mierzejewski <rpm[AT]greysector.net> 1.0.12-2
- fix some warnings
- fix 64bit testsuite issue as described at gsm homepage
- add compatibility header symlink
- split off binaries into a separate package
- * Sun Apr 15 18:00:00 2007 Michael Schwendt <mschwendt[AT]users.sf.net> 1.0.12-1
- Update to Release 1.0 Patchlevel 12.
- Build with -fPIC not just for non-ix86.
- Add check section to ensure proper library version.
- Remove static library.