Пакет: libgsm1-dev (1.0.22-1)

[ Источник: 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.

Теги: Разработка программного обеспечения: Разработка на C, Библиотеки, Реализовано на: C, Сетевой протокол: protocol::voip, role::devel-lib, Звук и музыка: Сжатие, Синтез речи, Работает с: Аудио

Другие пакеты, относящиеся к libgsm1-dev

• dep: libgsm1 (= 1.0.22-1)

  Shared libraries for GSM speech compressor

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