modem revision 1.1.1.2.32.1
1 1.1.1.2 christos 2 1.1 christos #------------------------------------------------------------------------------ 3 1.1.1.2.32.1 bouyer # $File: modem,v 1.7 2016/01/08 00:56:42 christos Exp $ 4 1.1 christos # modem: file(1) magic for modem programs 5 1.1 christos # 6 1.1 christos # From: Florian La Roche <florian (a] knorke.saar.de> 7 1.1.1.2 christos 1 string PC\ Research,\ Inc Digifax-G3-File 8 1.1.1.2 christos >29 byte 1 \b, fine resolution 9 1.1.1.2 christos >29 byte 0 \b, normal resolution 10 1.1 christos 11 1.1.1.2.32.1 bouyer # Summary: CCITT Group 3 Facsimile in "raw" form (i.e. no header). 12 1.1.1.2.32.1 bouyer # Modified by: Joerg Jenderek 13 1.1.1.2.32.1 bouyer # URL: https://de.wikipedia.org/wiki/Fax 14 1.1.1.2.32.1 bouyer # Reference: http://web.archive.org/web/20020628195336/http://www.netnam.vn/unescocourse/computervision/104.htm 15 1.1.1.2.32.1 bouyer # GRR: EOL of G3 is too general as it catches also TrueType fonts, Postscript PrinterFontMetric, others 16 1.1.1.2.32.1 bouyer 0 short 0x0100 17 1.1.1.2.32.1 bouyer # 16 0-bits near beginning like True Type fonts *.ttf, Postscript PrinterFontMetric *.pfm, FTYPE.HYPERCARD, XFER 18 1.1.1.2.32.1 bouyer >2 search/9 \0\0 19 1.1.1.2.32.1 bouyer # maximal 7 0-bits for pixel sequences or 11 0-bits for EOL in G3 20 1.1.1.2.32.1 bouyer >2 default x 21 1.1.1.2.32.1 bouyer # skip IRCAM file (VAX big-endian) ./audio 22 1.1.1.2.32.1 bouyer >>0 belong !0x0001a364 23 1.1.1.2.32.1 bouyer # skip GEM Image data ./images 24 1.1.1.2.32.1 bouyer >>>2 beshort !0x0008 25 1.1.1.2.32.1 bouyer # look for first keyword of Panorama database *.pan 26 1.1.1.2.32.1 bouyer >>>>11 search/262 \x06DESIGN 27 1.1.1.2.32.1 bouyer # skip Panorama database 28 1.1.1.2.32.1 bouyer >>>>11 default x 29 1.1.1.2.32.1 bouyer # old Apple DreamWorld DreamGrafix *.3200 with keyword at end of g3 looking files 30 1.1.1.2.32.1 bouyer >>>>>27118 search/1864 DreamWorld 31 1.1.1.2.32.1 bouyer >>>>>27118 default x 32 1.1.1.2.32.1 bouyer # skip MouseTrap/Mt.Defaults with file size 16 found on Golden Orchard Apple II CD Rom 33 1.1.1.2.32.1 bouyer >>>>>>8 ubequad !0x2e01010454010203 34 1.1.1.2.32.1 bouyer # skip PICTUREH.SML found on Golden Orchard Apple II CD Rom 35 1.1.1.2.32.1 bouyer >>>>>>>8 ubequad !0x5dee74ad1aa56394 raw G3 (Group 3) FAX, byte-padded 36 1.1.1.2.32.1 bouyer # version 5.25 labeled the entry above "raw G3 data, byte-padded" 37 1.1.1.2.32.1 bouyer !:mime image/g3fax 38 1.1.1.2.32.1 bouyer #!:apple ????TIFF 39 1.1.1.2.32.1 bouyer !:ext g3 40 1.1.1.2.32.1 bouyer # unusual image starting with black pixel 41 1.1.1.2.32.1 bouyer #0 short 0x1300 raw G3 (Group 3) FAX 42 1.1.1.2.32.1 bouyer 0 short 0x1400 43 1.1.1.2.32.1 bouyer # 16 0-bits near beginning like PicturePuzzler found on Golden Orchard Apple CD Rom 44 1.1.1.2.32.1 bouyer >2 search/9 \0\0 45 1.1.1.2.32.1 bouyer # maximal 7 0-bits for pixel sequences or 11 0-bits for EOL in G3 46 1.1.1.2.32.1 bouyer >2 default x raw G3 (Group 3) FAX 47 1.1.1.2.32.1 bouyer # version 5.25 labeled the above entry as "raw G3 data" 48 1.1.1.2.32.1 bouyer !:mime image/g3fax 49 1.1.1.2.32.1 bouyer !:ext g3 50 1.1.1.2.32.1 bouyer # unusual image with black pixel near beginning 51 1.1.1.2.32.1 bouyer #0 short 0x1900 raw G3 (Group 3) FAX 52 1.1.1.2.32.1 bouyer 53 1.1 christos # 54 1.1 christos # Magic data for vgetty voice formats 55 1.1 christos # (Martin Seine & Marc Eberhard) 56 1.1 christos 57 1.1 christos # 58 1.1 christos # raw modem data version 1 59 1.1 christos # 60 1.1 christos 0 string RMD1 raw modem data 61 1.1 christos >4 string >\0 (%s / 62 1.1 christos >20 short >0 compression type 0x%04x) 63 1.1 christos 64 1.1 christos # 65 1.1 christos # portable voice format 1 66 1.1 christos # 67 1.1 christos 0 string PVF1\n portable voice format 68 1.1 christos >5 string >\0 (binary %s) 69 1.1 christos 70 1.1 christos # 71 1.1 christos # portable voice format 2 72 1.1 christos # 73 1.1 christos 0 string PVF2\n portable voice format 74 1.1 christos >5 string >\0 (ascii %s) 75 1.1 christos 76 1.1.1.2.32.1 bouyer # From: Bernd Nuernberger <bernd.nuernberger (a] web.de> 77 1.1.1.2.32.1 bouyer # Brooktrout G3 fax data incl. 128 byte header 78 1.1.1.2.32.1 bouyer # Common suffixes: 3??, BRK, BRT, BTR 79 1.1.1.2.32.1 bouyer 0 leshort 0x01bb 80 1.1.1.2.32.1 bouyer >2 leshort 0x0100 Brooktrout 301 fax image, 81 1.1.1.2.32.1 bouyer >>9 leshort x %d x 82 1.1.1.2.32.1 bouyer >>0x2d leshort x %d 83 1.1.1.2.32.1 bouyer >>6 leshort 200 \b, fine resolution 84 1.1.1.2.32.1 bouyer >>6 leshort 100 \b, normal resolution 85 1.1.1.2.32.1 bouyer >>11 byte 1 \b, G3 compression 86 1.1.1.2.32.1 bouyer >>11 byte 2 \b, G32D compression 87
Indexes created Fri May 15 00:25:31 UTC 2026