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openSUSE:12.2:ARM
libgsm
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Meta Configuration of Package libgsm
<package name="libgsm" project="openSUSE:12.2"> <title>GSM 06.10 Lossy Speech Compressor Library and Utilities</title> <description>Contains libraries and binaries for a GSM speech compressor. libgsm contains a standard 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, which is 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 modeled after compress(1) and a library API. Compression and decompression run faster than real-time on most SPARC stations. The implementation has been verified against the ETSI standard test patterns.</description> <person userid="sbrabec" role="bugowner"/> </package>
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