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RedHat 9 (Linux i386) - man page for pvfsine (redhat section 1)

pvf(1)							      General Commands Manual							    pvf(1)

pvf tools - utilities to convert various sound formats
The pvf tools are a collection of tools to convert vgetty modem data to and from the 'raw modem data' format, and from that to and from various audio file formats (like .au or .wav). In addition, there are some tools to manipulate pvf files, like speed up files or cut off trailing noise. A list of commands is below in the "see also" section. You can run those commands with the -h switch for available options. Please also look at the individual contributed man pages.
autopvf(1), basictopvf(1), lintopvf(1), pvf(1), pvfamp(1), pvfcut(1), pvfecho(1), pvfff(1), pvffile(1), pvffilter(1), pvfmix(1), pvfnoise(1), pvfreverse(1), pvfsine(1), pvfspeed(1), pvftoau(1), pvftobasic(1), pvftolin(1), pvftormd(1), pvftovoc(1), pvftowav(1), rmd- file(1), rmdtopvf(1), voctopvf(1), wavtopvf(1)
Original version from Klaus Weidner. Copyright (C) 1997 by Marc Eberhard <Marc.Eberhard@Uni-Duesseldorf.DE> 14 February 1997 pvf(1)

The development of the GNU operating system began in 1983 by Richard Stallman. At the time, Richard worked at the MIT Artificial Intelligence Laboratory and publicly announced the GNU Project on September 27, 1983 on the net.unix-wizards and net.usoft USENET newsgroups. GNU software development formally started on January 5, 1984. The goal of GNU was to bring a totally free software operating system into the world. Richard has a vision that computer users should be free to study the source code of the computer software, share software with others, modify the software, and publish modified versions.
The GNU open source idea was published as the GNU Manifesto in March 1985. GNU was designed from the start to be unix-compatible and so GNU development used C and Lisp as the GNU system programming languages. Most of GNU was been written by volunteers with the exception of numerous adopted third-party components. Richard Stallman set up the Free Software Foundation (FSF) in October 1985 Then in the late 1980s and 1990s the FSF hired software developers to write GNU software. As GNU gained in popularity various businesses began contributing to GNU development or selling GNU software and support, including Cygnus Solutions which eventually became a part of Red Hat.
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