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annotate doc/Utils-overview @ 143:195911f2211c

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document PCM format conversion utilities
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 14 Dec 2022 07:04:59 +0000
parents 8eb0e7a39409
children 04936af99fc8
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1 Here is the complete list of all command line utilities included in the present
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2 package:
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3
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4 gsm-amr2efr See AMR-EFR-conversion article.
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5 gsm-efr2amr
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6
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7 gsmefr-cod-parse See EFR-testing article.
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8 gsmefr-dec-parse
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9
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10 gsmefr-decode See Codec-utils article.
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11 gsmefr-encode
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12
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13 gsmefr-etsi-dec See EFR-testing article.
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14 gsmefr-etsi-enc
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16 gsmefr-rec2etsi This program reads an EFR session recording in gsmx
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17 format and converts it into ETSI decoder input (.dec)
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18 format. It was written early in the project as a sanity
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19 check, to verify that the format of TCH uplink from
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20 sysmoBTS in EFR mode matches our expectations, before
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21 embarking on the labor-intensive project to librify EFR
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22 reference code from ETSI.
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23
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24 gsmfr-cvt-dlcap See Calypso-TCH-downlink article.
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25
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26 gsmfr-decode See Codec-utils article.
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27 gsmfr-encode
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29 gsmfr-hand-test This program was written as part of a debug chase:
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30 there seemed to be a design flaw in libgsmfrp, but the
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31 actual bug turned out to be in the way we patched
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32 osmo-bts-sysmo to produce a continuous RTP stream.
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34 gsmfr-max-out Another test program written as part of the same debug
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35 chase.
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36
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37 gsmfr-preproc This program reads a gsmx file in FR codec format,
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38 passes it through our Rx DTX preprocessor (libgsmfrp),
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39 and writes the preprocessor output to another .gsm file.
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40
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41 gsmrec-dump See Binary-file-format article.
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43 pcm16-raw2wav See PCM-file-formats article.
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44 pcm16-wav2raw
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46 rtp-gsmfr-extr See RTP-analysis article.