kopia lustrzana https://github.com/windytan/slowrx
updating readme
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README
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README
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slowrx decodes analogue SSTV images received through the sound card.
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Slant correction, mode selection, noise filtering and frequency shifting
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are automagique.
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Needs linux and sox. Depends on libs gtk2, fftw3, and pnglite.
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Copyright (c) 2007-2011, Oona OH2-250
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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=slowrx=
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'''slowrx''' decodes analogue [http://en.wikipedia.org/wiki/Slow-scan_television SSTV] images received through the sound card.
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are automagique.
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==Prerequisites==
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Needs linux and sox. Depends on libs gtk2, fftw3, and pnglite.
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==Features==
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*Supports a multitude of modes (see <code>modespec.c</code>)
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*Detects calibration headers even when frequency-shifted and shifts reception window accordingly
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*Slant correction by linear Hough transform
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*Noise reduction by adaptive windowing
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*Saves received pictures along with the corresponding raw signals
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==References==
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The program utilizes several articles:
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*Cordesses L, Cordesses R [F2DC] (May 2003). [http://lionel.cordesses.free.fr/gpages/Cordesses.pdf "Some thoughts on 'Real-Time' SSTV Processing"]. ''QEX'' May/June 2003: 3-20.
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*Barber, JL [N7CXI] (May 2000). [http://www.barberdsp.com/files/Dayton%20Paper.pdf "Proposal for SSTV Mode Specifications"]. Presented at the Dayton SSTV forum, 20 May 2000.
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*Jones, D [KB4YZ] (Feb 1998). [http://www.tima.com/~djones/vis.txt "List of SSTV Modes with VIS Codes"].
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*Jones, D KB4YZ (May 1999). [http://www.tima.com/~djones/line.txt "List of SSTV Modes with Line Timing"].
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*Gasior M, Gonzalez J L (May 2004). [http://cdsweb.cern.ch/record/738182/files/ab-2004-023.pdf "Improving FFT Frequency Measurement Resolution by Parabolic and Gaussian Spectrum Interpolation"]. ''AIP Conf. Proc.'' (Geneva: CERN) '''732''' (2004): 276-285.
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==Licensing==
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<pre>Copyright (c) 2007-2011, Oona OH2-250
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</pre>
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