FreeCalypso > hg > gsm-codec-lib

comparison doc/AMR-study-utils @ 458:e26b974f7ba3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
doc/AMR-study-utils: update for the current situation
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 10 May 2024 18:45:36 +0000
parents f4f68c652e98
children
comparison
equal deleted inserted replaced
457:9bcf65088006 458:e26b974f7ba3
1 Historical article from 2023-04
2 ===============================
3
4 The following article was written in 2023-04, a year before the introduction of
5 libtwamr. All of the utilities described in this article, plus even older
6 gsm-amr2efr and gsm-efr2amr utilities described in AMR-EFR-conversion article,
7 are implemented in amrconv subdirectory of the present source package, and are
8 entirely independent of libtwamr - they predate this library.
9
10 Original article follows; the utilities described therein are still useful:
11
1 As of this writing (2023-04), the main emphasis here at Themyscira Wireless is 12 As of this writing (2023-04), the main emphasis here at Themyscira Wireless is
2 on classic FR and EFR codecs, particularly the latter, rather than AMR. 13 on classic FR and EFR codecs, particularly the latter, rather than AMR.
3 However, given the close relation between GSM EFR and the highest MR122 mode of 14 However, given the close relation between GSM EFR and the highest MR122 mode of
4 AMR, we are starting to explore AMR a little too, focusing on the reference C 15 AMR, we are starting to explore AMR a little too, focusing on the reference C
5 implementation and various published test sequences. Working in this direction, 16 implementation and various published test sequences. Working in this direction,