Пакет: libgsm1-dev (1.0.18-2)

[ Източник: libgsm  ]

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.

Етикети: Software Development: C Development, Библиотеки, Implemented in: C, Network Protocol: protocol::voip, role::devel-lib, Sound and Music: Compression, Speech Synthesis, Works with: Audio

Други пакети, свързани с libgsm1-dev

• dep: libgsm1 (= 1.0.18-2)

  Shared libraries for GSM speech compressor

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