Mercurial > hg > audiostuff
comparison spandsp-0.0.3/spandsp-0.0.3/README @ 5:f762bf195c4b
import spandsp-0.0.3
| author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
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| date | Fri, 25 Jun 2010 16:00:21 +0200 |
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| 4:26cd8f1ef0b1 | 5:f762bf195c4b |
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| 1 spandsp 0.0.3 - A DSP library for telephony | |
| 2 ------------------------------------------- | |
| 3 | |
| 4 SpanDSP is a library of DSP functions for telephony, in the 8000 sample per | |
| 5 second world of E1s, T1s, and higher order PCM channels. It contains low level | |
| 6 functions, such as basic filters. It also contains higher level functions, such | |
| 7 as cadenced supervisory tone detection, and a complete software FAX machine. | |
| 8 The software has been designed to avoid intellectual property issues, using | |
| 9 mature techniques where all relevant patents have expired. See the file | |
| 10 DueDiligence for important information about these intellectual property issues. | |
| 11 | |
| 12 Dependencies | |
| 13 ------------ | |
| 14 | |
| 15 spandsp depends on various other packages for various tasks. Most of these | |
| 16 dependencies relate to building the test suite. | |
| 17 | |
| 18 libtiff (and libtiff-devel on most Linux distributions) is required to | |
| 19 build the spandsp library. | |
| 20 | |
| 21 libaudiofile (and libaudiofile-devel) is required to build the test suite | |
| 22 fftw (and fftw-devel) is required to build the test suite. Version 2 or 3 of | |
| 23 FFTW may be used. Spandsp adapts to the differences between them. | |
| 24 | |
| 25 fltk (and fltk-devel), Fl_Cartesian and Fl_Audio_Meter are required to build the | |
| 26 test suite with GUI interfaces for some of the tests. The tests will build | |
| 27 without these packages, but the GUI features will not be available. | |
| 28 Fl_Cartesian and Fl_Audio_Meter can be downloaded from | |
| 29 http://www.soft-switch.org/downloads. | |
| 30 | |
| 31 Steve Underwood <steveu@coppice.org> |