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annotate doc/Utils-overview @ 510:5bf71b091323

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libgsmhr1: add direct conversion from RTP input to decoder params
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 25 Aug 2024 02:19:37 +0000
parents 4f13db3a7086
children d9f6b3125259
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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 amrefr-decode-r See AMR-EFR-hybrid-emu article.
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10 amrefr-encode-r
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11 amrefr-tseq-dec
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12 amrefr-tseq-enc
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13
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14 amrts-pcm8-compact The set of AMR test sequences shipped by 3GPP as
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15 TS 26.074 includes not only linear PCM and AMR-encoded
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16 files, but also 8-bit PCM sequences in both A-law and
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17 mu-law. However, those PCM8 sequences are shipped in a
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18 stupid and inconvenient format: each 8-bit PCM sample
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19 is expanded to a 16-bit word, written in LE byte order.
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20 This utility converts a PCM8 test sequence file from
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21 this weird format into sane PCM8 format with one byte
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22 per sample.
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24 gsm-amr2efr See AMR-EFR-conversion article.
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25 gsm-efr2amr
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27 gsmefr-cod-parse See EFR-testing article.
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28 gsmefr-dec-parse
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30 gsmefr-cod2gsmx This program reads an EFR codec frame stream in ETSI
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31 *.cod format and converts it to Themyscira gsmx format.
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33 gsmefr-decode See Codec-utils article.
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34 gsmefr-decode-r
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35 gsmefr-encode
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36 gsmefr-encode-r
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38 gsmefr-dlcap-dec See Calypso-TCH-downlink article.
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39 gsmefr-dlcap-gsmx
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40 gsmefr-dlcap-parse
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41 gsmefr-dlcap-sync
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43 gsmefr-etsi-dec See EFR-testing article.
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44 gsmefr-etsi-enc
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46 gsmefr-rec2etsi This program reads an EFR session recording in gsmx
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47 format and converts it into ETSI decoder input (.dec)
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48 format. It was written early in the project as a sanity
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49 check, to verify that the format of TCH uplink from
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50 sysmoBTS in EFR mode matches our expectations, before
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51 embarking on the labor-intensive project to librify EFR
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52 reference code from ETSI.
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54 gsmfr-cod2std This program reads an FR codec frame stream in ETSI
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55 *.cod format and converts it to "standard" *.gsm format.
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57 gsmfr-decode See Codec-utils article.
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58 gsmfr-decode-r
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59 gsmfr-decode-rb
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60 gsmfr-encode
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61 gsmfr-encode-r
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63 gsmfr-dlcap-gsmx See Calypso-TCH-downlink article.
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64 gsmfr-dlcap-parse
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65 gsmfr-dlcap-sync
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67 gsmfr-preproc See FR1-Rx-DTX article.
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68
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69 gsmrec-dump See Binary-file-format article.
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71 pcm16-check13 This program reads a 16-bit linear PCM recording file
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72 (raw BE by default, or raw LE with -l option) and checks
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73 if the 3 least significant bits of every sample are all
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74 zeros. All linear PCM samples consumed or generated by
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75 GSM codecs are only 13 bits wide, left-justified in
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76 16-bit words, and so is output from G.711 A-law decoding
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77 - thus it is useful to be able to check if a given file
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78 in 16-bit PCM format is purely 13-bit or not.
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80 pcm16-raw2wav See PCM-file-formats article.
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81 pcm16-wav2raw
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83 pcm16-to-alaw See PCM8-conversions article.
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84 pcm16-to-ulaw
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85 pcm8-to-pcm16
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86
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87 twamr-decode See Codec-utils article.
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88 twamr-decode-r
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89 twamr-encode
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90 twamr-encode-r
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92 twamr-tseq-dec See AMR-library-tests article.
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93 twamr-tseq-enc