-------------------------------------------------------------------------------- Fedora Update Notification FEDORA-2016-b865d11b7f 2016-11-30 03:54:58.965825 --------------------------------------------------------------------------------
Name : gsm Product : Fedora 25 Version : 1.0.16 Release : 1.fc25 URL : http://www.quut.com/gsm/ Summary : Shared libraries for GSM speech compressor Description : 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.
-------------------------------------------------------------------------------- Update Information:
Update to latest upstream release with no ABI changes. -------------------------------------------------------------------------------- References:
[ 1 ] Bug #1397242 - gsm 1.0.16 available https://bugzilla.redhat.com/show_bug.cgi?id=1397242 --------------------------------------------------------------------------------
This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade gsm' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label
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