Package: libgsm-tools (1.0.18-2)

[ Source: libgsm  ]

User binaries for a GSM speech compressor

This package contains user binaries 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.

Tags: Accessibility Support: Speech Synthesis, Implemented in: C, User Interface: interface::commandline, protocol::voip, Role: Program, Scope: Utility, Sound and Music: sound::compression, sound::player, Speech Synthesis, Purpose: Playing Media, Supports Format: works-with-format::TODO, works-with::audio

Other Packages Related to libgsm-tools

• dep: libc6 (>= 2.17) [arm64]

  GNU Biblioteca C: Bibliotecas compartilhadas
  also a virtual package provided by libc6-udeb

  dep: libc6 (>= 2.4) [not arm64]

• dep: libgsm1 (>= 1.0.18)

  Shared libraries for GSM speech compressor

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Architecture	Package Size	Installed Size	Files
amd64	18.6 kB	154.0 kB	[list of files]
arm64	18.3 kB	142.0 kB	[list of files]
armhf	17.5 kB	115.0 kB	[list of files]
i386	18.8 kB	139.0 kB	[list of files]