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Work item:
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G.191 (V6)
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Subject/title:
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Software tools for speech and audio coding standardization
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Status:
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Approved on 2019-01-13 [Issued from previous study period]
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Approval process:
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AAP
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Type of work item:
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Recommendation
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Version:
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Rev.
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Equivalent number:
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-
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Timing:
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-
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Liaison:
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-
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Supporting members:
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-
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Summary:
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This Recommendation provides source code for speech and audio processing modules for narrowband, wideband and super-wideband telephony applications. The set includes codecs, filters, noise generators, etc.
This revision introduces changes to ITU-T G.191 Annex A, which describes the ITU-T Software Tools (STL) containing a high-quality, portable C code library for speech processing applications.
This new release of the STL, also known as STL2018, incorporates new basic operators to accommodate state-of-the-art processor architectures which supports wide accumulators, SIMD (Single Instruction Multiple Data) and VLIW (Very Long Instruction Word). Thus the new operators provides support for 64-bit accumulator, complex numbers, enhanced 32-bit operations and additional control code operators.
The software package was reworked to make it available as a truly open-source project and is therefore hosted on an open-source collaboration platform. The build toolchain is now using CMake to generate platform-dependent and tool-dependent build scripts as well as to execute regression tests for each module in the STL.
This Recommendation includes an electronic attachment containing STL2018 Software Tool Library and manual.
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Comment:
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-
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Reference(s):
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Historic references:
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Contact(s):
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| ITU-T A.5 justification(s): |
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First registration in the WP:
2012-01-25 15:16:36
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Last update:
2019-02-15 10:03:32
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