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readme.txt
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************************************************************************
Fixed Point SILK SDK 1.0.9 source code package
Copyright 2012 (c), Skype Limited
https://developer.skype.com/silk/
************************************************************************
Date: 03/08/2012 (Format: DD/MM/YYYY)
I. Description
This package contains files for compilation and evaluation of the fixed
point SILK SDK library. The following is included in this package:
o Source code for the fixed point SILK SDK library
o Source code for creating encoder and decoder executables
o Test vectors
o Comparison tool
o Microsoft Visual Studio solutions and project files
o Makefile for GNU C-compiler (GCC)
II. Files and Folders
o doc/ - contains more information about the SILK SDK
o interface/ - contains API header files
o src/ - contains all SILK SDK library source files
o test/ - contains source files for testing the SILK SDK
o test_vectors/ - contains test vectors
o Makefile - Makefile for compiling with GCC
o readme.txt - this file
o Silk_SDK.sln - Visual Studio 2010 solution for all SILK SDK code
o Silk_SDK_VS2005.sln - Visual Studio 2005 solution for all SILK SDK code
III. How to use the Makefile
1. How to clean and compile the SILK SDK library:
make clean lib
2. How to compile an encoder executable:
make encoder
3. How to compile a decoder executable:
make decoder
4. How to compile the comparison tool:
make signalcompare
5. How to clean and compile all of the above:
make clean all
6. How to build for big endian CPU's
Make clean all ADDED_DEFINES+=_SYSTEM_IS_BIG_ENDIAN
To be able to use the test vectors with big endian CPU's the test programs
need to be compiled in a different way. Note that the 16 bit input and output
from the test programs will have the upper and lower bytes swapped with this setting.
7. How to use the comparison tool:
See 'How to use the test vectors.txt' in the test_vectors folder.
IV. History
Version 1.0.9 - Added 64-bit support. Added iOS LLVM compiler support. Lowered DTX mode bitrate. Bugfixes for ARM builds. Various other small fixes.
Version 1.0.8 - Improved noise shaping, various other improvements, and various bugfixes. Added a MIPS version
Version 1.0.7 - Updated with bugfixes for LBRR and pitch estimator. SignalCompare updated
Version 1.0.6 - Updated with bugfixes for ARM builds
Version 1.0.5 - Updated with bugfixes for ARM builds
Version 1.0.4 - Updated with various bugfixes and improvements, including some API changes
Added support for big endian platforms
Added resampler support for additional API sample rates
Version 1.0.3 - Updated with various bugfixes and improvements
Version 1.0.2 - Updated with various bugfixes and improvements
Version 1.0.1 - First beta source code release
V. Compatibility
This package has been tested on the following platforms:
Windows 7 Professional, 32-bit version, Intel Core i7 CPU
Windows 7 Professional, 64-bit version, Intel Core i7 CPU
Mac OS X Version 10.7.4, 64-bit version, Intel Core i7 CPU
Ubuntu Linux 10.04 LTS, 32-bit version, Intel Core i7 CPU
Ubuntu Linux 12.04 LTS, 64-bit version, Intel Core 2 Duo CPU
VI. Known Issues
None
VII. Additional Resources
For more information, visit the SILK SDK web site at:
<https://developer.skype.com/silk/>