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annotate doc/Codec-library-depend @ 253:54f78df265fe

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utils/Makefile: old themwi-{dump,update}-numdb are now no-install
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 14 Aug 2023 23:55:55 -0800
parents 623c64ae6102
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4f1f3f799295 doc/Codec-library-depend: article written
Mychaela Falconia <falcon@freecalypso.org>
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1 One important component of Themyscira Wireless system sw, specifically
4f1f3f799295 doc/Codec-library-depend: article written
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2 themwi-mgw, implements speech transcoding between GSM codecs on the inside and
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3 G.711 on the outside. This essential function creates a dependency on some
4f1f3f799295 doc/Codec-library-depend: article written
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4 specialized libraries that implement the codecs which need to be supported.
4f1f3f799295 doc/Codec-library-depend: article written
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5 The following codec libraries are currently required:
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7 1) libgsm, the original GSM 06.10 implementation from 1990s;
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623c64ae6102 doc/Codec-library-depend: libgsmefr is here and actively used
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9 2) gsm-codec-lib developed by Mother Mychaela for Themyscira Wireless:
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11 https://www.freecalypso.org/hg/gsm-codec-lib/
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13 This gsm-codec-lib collection provides two libraries: libgsmefr and libgsmfrp.
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14 Both of these libraries are used by themwi-mgw as mandatory dependencies.