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1 spandsp 0.0.3 - A DSP library for telephony
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2 -------------------------------------------
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3
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4 SpanDSP is a library of DSP functions for telephony, in the 8000 sample per
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5 second world of E1s, T1s, and higher order PCM channels. It contains low level
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6 functions, such as basic filters. It also contains higher level functions, such
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7 as cadenced supervisory tone detection, and a complete software FAX machine.
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8 The software has been designed to avoid intellectual property issues, using
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9 mature techniques where all relevant patents have expired. See the file
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10 DueDiligence for important information about these intellectual property issues.
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11
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12 Dependencies
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13 ------------
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14
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15 spandsp depends on various other packages for various tasks. Most of these
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16 dependencies relate to building the test suite.
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17
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18 libtiff (and libtiff-devel on most Linux distributions) is required to
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19 build the spandsp library.
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20
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21 libaudiofile (and libaudiofile-devel) is required to build the test suite
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22 fftw (and fftw-devel) is required to build the test suite. Version 2 or 3 of
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23 FFTW may be used. Spandsp adapts to the differences between them.
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24
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25 fltk (and fltk-devel), Fl_Cartesian and Fl_Audio_Meter are required to build the
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26 test suite with GUI interfaces for some of the tests. The tests will build
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27 without these packages, but the GUI features will not be available.
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28 Fl_Cartesian and Fl_Audio_Meter can be downloaded from
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29 http://www.soft-switch.org/downloads.
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30
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31 Steve Underwood <steveu@coppice.org>
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