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annotate doc/Utils-overview @ 304:03b0702f4463

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doc/Calypso-TCH-downlink: s/libgsmfrp/libgsmfr2/
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 15 Apr 2024 23:12:10 +0000
parents a55fcc8b6daf
children 047c198408c8
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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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4 amr-cod-parse See AMR-study-utils article.
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5 amr-ietf-parse
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6 amr-cod2ietf
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7 amr-ietf2cod
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9 gsm-amr2efr See AMR-EFR-conversion article.
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10 gsm-efr2amr
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11
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12 gsmefr-cod-parse See EFR-testing article.
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13 gsmefr-dec-parse
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15 gsmefr-cod2gsmx This program reads an EFR codec frame stream in ETSI
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16 *.cod format and converts it to Themyscira gsmx format.
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18 gsmefr-decode See Codec-utils article.
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19 gsmefr-decode-r
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20 gsmefr-encode
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21 gsmefr-encode-r
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23 gsmefr-dlcap-dec See Calypso-TCH-downlink article.
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24 gsmefr-dlcap-gsmx
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25 gsmefr-dlcap-parse
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27 gsmefr-etsi-dec See EFR-testing article.
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28 gsmefr-etsi-enc
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30 gsmefr-rec2etsi This program reads an EFR session recording in gsmx
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31 format and converts it into ETSI decoder input (.dec)
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32 format. It was written early in the project as a sanity
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33 check, to verify that the format of TCH uplink from
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34 sysmoBTS in EFR mode matches our expectations, before
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35 embarking on the labor-intensive project to librify EFR
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36 reference code from ETSI.
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38 gsmfr-cod2std This program reads an FR codec frame stream in ETSI
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39 *.cod format and converts it to "standard" *.gsm format.
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41 gsmfr-decode See Codec-utils article.
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42 gsmfr-decode-r
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43 gsmfr-encode
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44 gsmfr-encode-r
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46 gsmfr-dlcap-gsmx See Calypso-TCH-downlink article.
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47 gsmfr-dlcap-parse
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49 gsmfr-hand-test This program was written as part of a debug chase:
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50 there seemed to be a design flaw in libgsmfrp, but the
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51 actual bug turned out to be in the way we patched
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52 osmo-bts-sysmo to produce a continuous RTP stream.
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54 gsmfr-max-out Another test program written as part of the same debug
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55 chase.
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56
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57 gsmfr-preproc This program reads a gsmx file in FR codec format,
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58 passes it through our Rx DTX preprocessor (libgsmfrp),
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59 and writes the preprocessor output to another .gsm file.
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60
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61 gsmrec-dump See Binary-file-format article.
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62
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63 pcm16-check13 This program reads a 16-bit linear PCM recording file
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64 (raw BE by default, or raw LE with -l option) and checks
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65 if the 3 least significant bits of every sample are all
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66 zeros. All linear PCM samples consumed or generated by
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67 GSM codecs are only 13 bits wide, left-justified in
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68 16-bit words, and so is output from G.711 A-law decoding
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69 - thus it is useful to be able to check if a given file
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70 in 16-bit PCM format is purely 13-bit or not.
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72 pcm16-raw2wav See PCM-file-formats article.
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73 pcm16-wav2raw
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75 pcm16-to-alaw See PCM8-conversions article.
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76 pcm16-to-ulaw
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77 pcm8-to-pcm16