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David's Readme Compiler Executable | 1994-01-09 | 91.8 KB | 1,286 lines

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PgUp/Dn: <F10> options PgUp/Dn Line %d of %d Search for Topics ind text <F7> find gain <F8> rint entry ave entry dit entry Printer port : PostScript? : Press <Space> to change values Created using David's Readme Compiler v2.1 (c) 1990-93, David Harris. e-mail: david@pmail.gen.nz LPT1: LPT2: LPT3: %!PS-Adobe-2.0 %%Creator:DRC v2.0 %%EndComments /leftmargin { 40 } bind def /bot { 54 } bind def /top { } bind def /cw { 40 } bind def /xtab {currentpoint exch dup cvi leftmargin cvi sub cvi cw cvi mod sub cw add exch moveto } bind def /ptsize { 12 } bind def /lead { 12 } bind def /F { findfont exch scalefont setfont } bind def /newline { currentpoint exch pop lead sub dup bot lt { pop showpage restore save top } if leftmargin exch moveto } bind def %%Endprolog %%BeginSetup ptsize /| F leftmargin top moveto %%EndSetup %.20s (Y/N)? %-50.50s newline ) show newline newline showpage restore David's Readme Compiler, (c) 1992, David Harris. Readme error: no attached data. About this Guide MMMODE ; < = > ? @ A B C D T U V W X Y Z [ \ ] G O w u R S s t EAEIIOOUUYIOU (press any key to continue) Insert paper in printer then press a key (<ESC> cancels print) Printer error The printer on LPT%d: is confused out of paper off line Correct then press a key or hit <ESC> to cancel print Insert Paper <ESC> key pressed: Please confirm cancel/quit Accept this data? Insufficient disk space There is not enough space on the target disk to receive the file(s): please replace the disk with another formatted disk, then press any key to retry, or <ESC> to cancel .,@:; 0123456789 !!!!! @@@@@@@@@@@@@@@ @@@@@@@ @@@@@@ @@@@ (null) Data file generated by RCOM. AL Digital's CDGRAB Professional Edition User's Guide Welcome to AL Digital's CDGRAB Professional Edition Status line Editing a topic About CDGRAB Professional Installing CDGRAB Professional De-Installing CDGRAB Professional Using CDGRAB Professional CD Standards CD-DA DRed Book CD-ROM NYellow Book CD-ROM XA NYellow Book @ Extensions CD-I BGreen Book CD-R LOrange Book ISO-9660 High Sierra Command-Line Help Command Summary Command-Line Options a Aspi Drive List c Close Door d Detailed Drive Info e Eject Disc g Grab Tracks h Header Info - ISO9660/High Sierra l Lock Drive Door m MSCDEX Info & Drive List p Play Audio Track(s) P Play Audio Sector r Read Sector(s) s Stop Audio t Track Listing T Test DA Transfer Capability u UnLock Drive Door w Watch Play Time -2 Scale data down to 22050Hz -8 Scale data down to 8 Bit -b Byte swap data -d Dejitter data -D Dejitter data (no re-calibrate) -l Read LEFT Channel (STEREO) -L Read LEFT Channel (MONO) -m Convert data to MONO -M# Override SCSI Mode Select command -n No TOC on disk - disable checking -o Write old style VOC -r Read RIGHT Channel (STEREO) -R Read RIGHT Channel (MONO) -s# Override sector size to # -S Swap stereo channels -t# Delay # ticks between reads -T Use Toshiba/Future Domain defaults What is CDGRAB? CDGRAB Facilities Limitations Licensing Contacting the authors Register your copy of CDGRAB Professional... DA Word of Warning! CDGRAB PRO Allows digitally perfect copying of Audio CDs to PC hard disk in Microsoft WAVE (.WAV) format, Creative Labs VOICE (.VOC) format, and raw PCM. XA, CD-I and PhotoCD disks can be read down to hard disk as RAW sector copies. CDGRAB PRO will also act as a DOS CD player, and provide low-level information about what is stored on your CD-ROMS, and capabilities of your MSCDEX device driver. By utilising the MSCDEX and/or ASPI device drivers, CDGRAB provides different levels of functionality across a wide variety of hardware platforms. Please read the section DA Word of Warning! @ in this guide before using CDGRAB PRO to capture data from any type of Hit <RETURN> to continue... CDGRAB Professional Edition Ver. 3.21 While you edit this topic, the following keys are available for your use: Arrows: move in the indicated direction Ctrl-Arrows: move a word at a time PgUp/PgDn: move a screen at a time moves to the next field on the screen: a field is anything starting with a left square bracket ( ). This feature is handy for designing forms which the user is to complete. Ctrl-Y: delete the current line Del, Bks: delete char right, delete char left toggle insert mode (defaults to OFF) CDGRAB Professional is copy-protected, and requires that you move the protection from the original floppy to your local hard disk. If you do not use a hard disk, you can run CDGRAB directly from a floppy, but we recommend you follow the installation procedure outlined below, using another floppy as the target instead of a hard disk. To install CDGRAB Professional, copy the file CDGRABP.EXE from the floppy disk to a sub-directory on your hard disk. If you wish to be able to execute CDGRAB from anywhere, this directory should be included in the PATH statement in your AUTOEXEC.BAT. Once the file has been copied, change directory to the original floppy drive, and enter the following command: CCMOVE A: C:\MYDIR In this case, the floppy is in drive A:, and the file CDGRABP.EXE has been copied to the sub-directory 'MYDIR' in the root of hard disk drive C:. Substitute the approriate drive letters and paths for your installation. That's all there is to it! Now you are ready to run CDGRAB. To de-install CDGRAB Professional, simply reverse the order of the original CCMove command: CCMOVE A: C:\MYDIR Becomes: CCMOVE C:\MYDIR A: This transfers the copy protection back to drive A:, which can then be used to re-install elsewhere. You should also perform this function before re-formatting your hard disk for any reason. CD-DA or 'Red Book' (named after the colour of the cover of the published Philips/Sony standard), is the most basic form of CD. All other formats utilise the Red Book structure at a low level. Red Book specifies the data encoding and a two level Error- Detection/Correction scheme, called C1 and C2. These are based around processing 'EFM-Frames' (EFM - Eight to Fourteen Modulation), containing 588 bits, which can be broken down as: 24 Sync-Bits, 33 data bytes of 14 bits each, 3 merging bits per data byte and 3 closing merging bits. After processing, there are essentially two parts of the data that are avaliable to the end-user. The data content, or Audio Sectors, and the Subcode-Channel data, P-W. The Subcode data is usually further broken down into Q-Channel (time) and R-W (other data - see 'CD-Midi' & 'CD+G' in this guide). P-Channel is almost always empty, and used to be used as a 'Pause' flag. An Audio Sector consists of 2352 bytes of PCM (Pulse Code Modulation) data, stored as Left-Right pairs of 16-Bit 44100Hz samples. One sector is normally referred to as a 'Frame', and represents 1/75th second of audio data. This should not be confused with a true 'Audio Frame' containing 6 Left-Right sample pairs, totalling 24 bytes. The most common reference to Red Book is as an 'Address'. A Red Book Address is a pointer to a specific moment in time on the disk, in Minutes, Seconds and Frames. In this case it is not an Audio Frame, but a Sector that is being referred to, so a Red Book Address is defined to 1/75th second. Red Book Addresses start at 0m 2s 0f - 2 seconds in to the disk, to allow space for the TOC (Table of Contents) to be stored. This 2 second area is known as the 'Lead-In'. CD-DA Red Book Sector: 2352 bytes PCM |<-------------------CDGRAB 'RAW' sector-------------------->| CD-ROM or 'Yellow Book', expands on the Red Book structure, to accommodate data storage other than Audio. In order to increase the reliability, a third layer of error correction, called C3 is added (stored in the EDC and ECC fields), as well as a Sync and Header. The Sync allows the decoder to latch on to the start of a whole sector (on a Red Book disk, processing is done at Audio Frame level, so sector positioning is not guaranteed). The Header contains the Red Book Address, so correct positioning can be checked. CD-ROM Yellow Book Sectors: Mode 1: Sync Header User Data EDC NULL ECC 12 4 2048 4 8 276 Bytes Bytes Bytes Bytes Bytes Bytes |<-------------------CDGRAB 'RAW' sector--------------------->| |<--CDGRAB 'CDI' sector--------------------->| |<--CDGRAB 'COOKED'->| Mode 2: Sync Header User Data 12 4 2336 Bytes Bytes Bytes |<-------------------CDGRAB 'RAW' sector--------------------->| |<--CDGRAB 'CDI' sector--------------------->| CD-ROM XA or 'Yellow Book Extensions - XA (Extented Architecture)' was introduced to allow 'Mixed Mode' storage. This means that ROM data can be stored in the same track as Audio or Video, by defining the sector type in the SubHeader. ROM sectors are 'Form 1', and all other types are 'Form 2'. The SubHeader further defines the Audio or Video channel, coding format, file number etc., which allows the target application to route the data through the appropriate decoder. It is a common misconception that a ROM drive must be 'XA Ready', i.e. able to interpret XA sectors. ALL CD-ROM drives (with a very few exceptions, being very early models) can read XA sectors. It is the job of the device driver to interpret the SubHeader and act accordingly. In the case of a MSCDEX driver, it should pass all the User Data area of 'Form 1' sectors as if they were standard 'Yellow Book' sectors. This will make the drive able to read any ROM disk that contains an ISO9660 image within an XA track. A good example of this type of disk is the Kodak Photo-CD. This is a special type of XA disk, known as a 'Bridge Disk'. A 'Bridge Disk' uses 'Form 1' sectors to provide ISO9660 compatibility, and contains all the standard ISO9660 structures, as well as 'Green', or 'Form 2' sectors which can be read on a CD-I or PhotoCD player. CD-ROM XA Sectors: Form 1: Sync Header SubHeader User Data EDC ECC 12 4 8 2048 4 276 Bytes Bytes Bytes Bytes Bytes Bytes |<-------------------CDGRAB 'RAW' sector--------------------->| |<--CDGRAB 'CDI' sector--------------------->| |CDGRAB 'COOKED'-| Note: Although a Form 1 sector appears to be a re-arranged Mode 1 sector (the NULL field has moved and become the SUBHEADER), the EDC and ECC are calculated differently, so you cannot produce an XA track by RAW reading a standard ROM track and moving the data around. Form 2: Sync Header SubHeader User Data EDC 12 4 8 2324 4 Bytes Bytes Bytes Bytes Bytes |<-------------------CDGRAB 'RAW' sector--------------------->| |<--CDGRAB 'CDI' sector--------------------->| CD-I, or 'Green Book' expands on the 'Yellow Book'. This book goes beyond defining the sector types, as it also specifies a complete Operating System for working with the data stored on the disk. A 'Green Book' disk will contain program data to run the machine that is reading the disk, as well as the data to be displayed/played/ acted upon. The structure of the sectors is identical to XA. The only difference between an XA track and a CD-I track is that the CD-I track does not appear in the TOC. Many ROM drives will fail to load a true CD-I disk because the drive expects to read the TOC into it's cache to speed up later enquiries. When it doesn't find one, it assumes that the disk is damaged, and does not become ready. CD-I Green Book Sectors: Form 1: Sync Header SubHeader User Data EDC ECC 12 4 8 2048 4 276 Bytes Bytes Bytes Bytes Bytes Bytes |<-------------------CDGRAB 'RAW' sector--------------------->| |<--CDGRAB 'CDI' sector--------------------->| |CDGRAB 'COOKED'-| Form 2: Sync Header SubHeader User Data EDC 12 4 8 2324 4 Bytes Bytes Bytes Bytes Bytes |<-------------------CDGRAB 'RAW' sector--------------------->| |<--CDGRAB 'CDI' sector--------------------->| CD-R, or 'Orange Book' defines the physical attributes of recordable CD media, as well as the additional logic and recording areas required to enable a CD to be produced electronically. Until 1992, when CD-R was introduced, it was only possible to produce a CD by going through the complete manufacturing process of making a 'Glass Master', and then pressing final CDs from the resulting stamps (this is not quite true - there were machines capable of making electronic CDs, but they were so expensive that they were well beyond the reach of most manufacturing plants, let alone the end-users who use CD-R technology now). ISO-9660 : 1988 - 'Information processing - Volume and file structure of CD-ROM for information interchange' is a document published by the International Organization for Standards (ISO), that describes the directory structures and naming conventions for data stored on CD-ROM to allow a CD to be recognised and accessed by any operating system with compliant drivers. It is identical to BS-7061 : 1989 published by British Standards Institution. In essence, application of this standard means that a CD formatted as an ISO-9660 volume can be read, and the files accessed, on multiple platforms. The same CD could contain data that is accessible by Apple MAC, IBM PC, VAX VMS, Unix etc. The standard itself is complicated and difficult to read, and is strictly copyrighted, so cannot be reproduced here in any great detail. The main thing to worry about for most people who intend to produce a CD-ROM is the file naming conventions. The nuts and bolt of ISO-9660 will be taken care of for you by your ISO formatting software. The naming conventions are as follows: Allowable character set is: ABCDEFGHIJKLMNOPQRSTUVWXYZ (ASCII HEX 41 to 5A) 0123456789 (ASCII HEX 30 to 39) _ (UNDERSCORE - ASCII HEX 5F) . (FULL STOP - ASCII HEX 2E) ; (SEMI COLON - ASCII HEX 3B) Filenames may consist of two parts - a NAME and an EXTENSION. There must be at least one character in either the NAME or the EXTENSION field. The NAME and EXTENSION must be seperated by a FULL STOP, and there can be only one FULL STOP in any filename. You may use a SEMI COLON followed by a number in the range 1 to 32767 on the end of the filename, to represent the version number of the file (this number and the semi-colon would normally be appended by your ISO formatting software, and would not be visible on your source directory). The NAME cannot be more than 8 characters for a 'Level 1' ISO-9660 disk, and not more than 30 characters for a 'Level 2' disk. The extension cannot be more than 30 characters. The sum of the NAME and EXTENSION fields cannot exceed 30 characters. This does not include the FULL STOP, SEMI COLON or version number. The total allowable filename size including all components is 37 characters. Strictly speaking, the filename MUST contain a SEMI COLON and VERSION NUMBER. In practice, many ISO formatting software packages do not enforce this, and it does not seem to cause any problems if they are excluded. Directory conventions are as follows: Allowable character set: ABCDEFGHIJKLMNOPQRSTUVWXYZ (ASCII HEX 41 to 5A) 0123456789 (ASCII HEX 30 to 39) Directory names consist of only the NAME field, and cannot exceed 31 characters. The NAME cannot be more than 8 characters for a 'Level 1' ISO-9660 disk. Directories cannot be nested to more than 8 levels. i.e. there cannot be more than 7 sub-directories below a directory in the root. High Sierra is the common name for the '28 May 1986 Working Paper for Information Processing - Volume and File Structure of Compact Read Only Optical Discs for Information Interchange', which was the original paper submitted to ISO for ratification, and named after the mountain range at the resort where the meetings took place. High Sierra was widely implemented before ISO-9660 was released, so a large number of CD-ROMs exist in this format. Most new disks (after 1988) should be pressed in ISO-9660 format. Although ISO-9660 is a direct decendant of High Sierra, there enough differences to mean that they must be supported separately. The main differences are: The primary and secondary volume descriptors have varying type and quantities of fields. ISO-9660 contains a Bibliographic Preparer field in the volume descriptors. High Sierra allows up to four copies of the Path Table, whereas ISO9660 allows only two. Two fields within the directory record have exchanged position. ISO9660 has an extra byte in the Time/Date fields to allow an offset from GMT or UTC to be specified. The High Sierra format is in the public domain, and can be easily obtained from many ftp servers, or CompuServe in the CDROM STANDARDS area. It has been converted to electronic form by: VLS Inc. 310 S. Reynolds Rd. Toledo, Ohio 43615 The original document (ANS Z39.60-198X) can be obtained from: National Information Standards Organization P.O. Box 1056 Bethesda, MD 20817 (301) 975-2814 CDGRAB Professional will give a short summary of commands avaliable if run without any command-line arguments: CDGRABP<RETURN> CDGRAB can use any of the CD-ROM drives avaliable to the system. In order to specify which drive you want to use in an environment with multiple drives, you simply place the drive letter or SCSI ID on the command line. Example: CDGRABP E: t Will give a track listing using CD-ROM drive E:. If you are not sure which letter maps to which drive, use the command: CDGRABP m which will give you a list of all drives supported by MSCDEX. In ASPI mode, you specify the drive by SCSI ID no.: CDGRABP 6 t will give a track listing using the CD-ROM drive at SCSI ID 6. Again, if you are not sure which drive is where, you can ask CDGRAB to tell CDGRABP a gives a full listing of all ASPI supported drives on the SCSI bus. Usage: CDGRABP a Summary: The 'a' command will scan your SCSI bus via the ASPI interface, and report all drives that it finds there. Any device that returns a SCSI standard 'Inquiry' message should be visible, but only CD-ROM (or drives we have implemented specifically) can be utilised by CDGRAB. Usage: CDGRABP [drive | SCSI ID] c Summary: The 'c' command issues a 'Close Door' instruction to the drive. If it is motor driven, this will result in the tray closing. See Also: 'e Eject Disc' in this guide. 'l Lock Drive Door' in this guide. 'u UnLock Drive Door' in this guide. Usage: CDGRABP [drive] d Summary: The 'd' command provides a listing of the MSCDEX 'Device Status' table for the specified drive, and some details from the 'Device Header'. Example: CDGRABP d Produces output similar to: Drive: E: Device Handle: SONY_001 Device Type: CHARACTER IOCTL Support: SUPPORTED Output 'till Busy: NOT SET OPEN/CLOSE/RM: SUPPORTED Dev is CLOCK: NOT SET Dev is NUL: NOT SET Dev is STO: NOT SET Dev is STI: NOT SET Door Status: CLOSED & UNLOCKED (DISC IN DRIVE) Read Support: COOKED & RAW Write Support: WRITE NOT ALLOWED Audio/Video Support: DATA READ & PLAY AUDIO/VIDEO Interleaving: NOT SUPPORTED Prefetching: SUPPORTED Audio Manipulation: SUPPORTED Addressing: HSG & REDBOOK R-W Sub Channels: NOT SUPPORTED See Also: 'm MSCDEX Info & Drive List' in this guide. Usage: CDGRABP [drive | SCSI ID] e Summary: The 'e' command issues an 'Eject Disc' instruction to the drive. If it is motor driven, and the door is unlocked, this will result in the tray opening. See Also: 'c Close Door' in this guide. 'l Lock Drive Door' in this guide. 'u UnLock Drive Door' in this guide. Usage: CDGRABP [drive | SCSI ID] [options] <CDI|COOKED|RAW|VOC|WAV> <trkA> ... [trkB] ... [trkZ] Summary: The 'g' command takes at least two arguments - the output file format, and the track required. Multiple tracks may be specified. The possible entries for the output file format are: CDI Read 2336 byte sectors from a CD-I, XA or PhotoCD disc. COOKED Read 2048 byte sectors from a ROM disc. RAW Read 2352 byte sectors from a ROM or DA disc. VOC As per RAW, but stored with a Creative Labs 'Creative Voice' format header. WAV As per RAW, but stored with a Microsoft 'WAVE' format header. Example: CDGRABP g WAV 3 5 Will read track 3 in WAVE format, store it in a file called 'TRACK03.WAV' and then read track 5 and store it in 'TRACK05.WAV'. See Also: 'r Read Sector(s)' in this guide. 'Command-Line Options' in this guide. 'CD Standards' in this guide. Usage: CDGRABP [drive | SCSI ID] h Summary: The 'h' command provides a listing of the data contained in the ISO-9660 or HSG Header (17th block of a CD-ROM). Example: CDGRABP h Will produce output similar to: Drive: D: Format: High Sierra Type: Standard File Structure Version: 1 System ID: Grolier Volume ID: STWME WINDOWS Volume Size: 169025 Volume Set Size: 1 Volume Sequence No: 1 Logical Block Size: 2048 Path Table Size: 96 Path Table Location: 25 Volume Set ID: Electronic Encyclopedia Windows Version Publisher ID: Grolier Electronic Publishing, Inc., Sherman Turnpike, Danbury, CT 06816 Preparer ID: Online Computer Systems, Inc., 20251 Century Blvd., Germantown, MD 20874 Application ID: The Electronic Encyclopedia (C) Grolier Electronic Publishing, 1992 Copyright ID: Abstract ID: Creation Date: 1992120700000000 Modification Date: 1992120700000000 Expiration Date: 0000000000000000 Effective Date: 1992120700000000 File Structure Ver: 1 This is a dump from the Software Toolworks Multimedia Encyclopedia. See Also: 'CD Standards' in this guide. Usage: CDGRABP [drive | SCSI ID] l Summary: The 'l' command issues a 'Lock Drive Door' instruction to the drive. This disables the eject button and the 'Eject Disk' command on motor driven drives. See Also: 'c Close Door' in this guide. 'e Eject Disk' in this guide. 'u UnLock Drive Door' in this guide. Usage: CDGRABP [drive] m Summary: The 'm' command gives the MSCDEX version number, and the 'Handles' of all drives currently installed. See Also: 'd Detailed Drive Info' in this guide. Usage: CDGRABP [drive | SCSI ID] p [start track] [end track] Summary: The 'p' command takes up to two arguments - the start track, and the end track. Defaults are first and last respectively. Example: CDGRABP p 3 Will play from track 3 to the end of the CD. See Also: 'P Play Audio Sector' in this guide. 'w Watch Play Time' in this guide. Usage: CDGRABP [drive | SCSI ID] P <start sector> <sectors to play> [REPEAT] Summary: The 'P' command requires two arguments - the start sector and the number of sectors to play. The optional 'REPEAT' command will cause the specified section to be repeated ad infinitum. Example: CDGRABP P 1000 150 REPEAT Will repeat play sector 1000 to 1150 (a two second section). See Also: 'p Play Audio Track(s)' in this guide. 'w Watch Play Time' in this guide. Usage: CDGRABP [drive | SCSI ID] r [options] <COOKED|RAW|VOC|WAV> <file> ... <start> <sectors> Summary: The 'r' command requires four arguments - the output file format, name, start sector and number of sectors to read. The possible entries for the output file format are: CDI Read 2336 byte sectors from a CD-I, XA or PhotoCD disc. COOKED Read 2048 byte sectors from a ROM disc. RAW Read 2352 byte sectors from a ROM or DA disc. VOC As per RAW, but stored with a Creative Labs 'Creative Voice' format header. WAV As per RAW, but stored with a Microsoft 'WAVE' format header. Example: CDGRABP r RAW TEST.RAW 150 4500 Will read 4500 sectors (1 minute) starting at sector 150, in RAW PCM format, and store it in a file called 'TEST.RAW'. See Also: 'g Grab Track(s)' in this guide. 'Command-Line Options' in this guide. 'CD Standards' in this guide. Usage: CDGRABP [drive | SCSI ID] s Summary: The 's' command issues a 'Stop Audio' instruction to the drive. If it is currently playing, it will stop. See Also: 'p Play Audio Track(s)' in this guide. 'P Play Audio Sector' in this guide. Usage: CDGRABP [drive | SCSI ID] t Summary: The 't' shows the 'TOC' (Table Of Contents) for the currently inserted disc, and the lengths and types of all tracks on the disc. Example: CDGRABP t Produces output similar to: Drive: D: UPC/EAN Code: 0123456789012 Start Track: 1 End Track: 13 Total Time: 45 minutes 27 seconds 71 frames (75th/sec) Size (SECTORS): 204596 Size (BYTES): 481209792 RAW, 419012608 COOKED Sector Size: 2352 RAW, 2048 COOKED Track Data Digital Pre- Audio Start Length No. Type Copy OK Emph Chans Red Book Sector Red Book Sectors -------------------------------------------------------------------------- 01 ROM NO 0m 2s 0f 0 1m 10s 20f 5270 02 DA NO NO 2 1m 12s 20f 5270 6m 2s 50f 27200 03 DA NO NO 2 7m 14s 70f 32470 2m 37s 54f 11829 04 DA NO NO 2 9m 52s 49f 44299 3m 2s 69f 13719 05 DA NO NO 2 12m 55s 43f 58018 2m 1s 74f 9149 06 DA NO NO 2 14m 57s 42f 67167 1m 46s 62f 8012 07 DA NO NO 2 16m 44s 29f 75179 2m 10s 26f 9776 08 DA NO NO 2 18m 54s 55f 84955 2m 37s 28f 11803 09 DA NO NO 2 21m 32s 8f 96758 4m 24s 31f 19831 10 DA NO NO 2 25m 56s 39f 116589 5m 20s 63f 24063 11 DA NO NO 2 31m 17s 27f 140652 4m 42s 3f 21153 12 DA NO NO 2 35m 59s 30f 161805 3m 42s 30f 16680 13 DA NO NO 2 39m 41s 60f 178485 5m 48s 11f 26111 ^ ^ ^ | | | Data type ---:The copyright holders ---:A 'Red Book' address is made of each track. :of this disc have not :up of Minute/Second/Frame. Currently only :given 'blanket' permission:A 'Frame' is 1/75 of a ROM or DA. :to copy their data. :second. Note that in this case we are looking at a 'MultiMedia' disc. The first track is a 'ROM' track, containing computer data, and the rest are Audio ('DA') tracks. The first track will always start at least 2 seconds in, to allow space for the TOC itself to be stored. This is true for all types of CD. The track timings are unique enough that they can be used to 'fingerprint' a disc. Many CD 'player' programs maintain a database of CD titles, indexed in this way, which allow them to 'recognize' a disc and display track titles etc. Usage: CDGRABP [drive | SCSI ID] T Summary: The 'T' command provides a simple test of your equipment's DA transfer capability. When this test is used, CDGRABP will attempt to read 100 seconds of data from the drive. If anything other than digital silence is returned, it will report that it has succesfully read some data. Please note, that this is not a guarantee that data read from the disc is 'good' - i.e. that is actual music data from the CD, and not some random rubish returned by the device driver. This facility is normally only used in the shareware version (CDGRAB), to test the capablility before buying the PRO version. Usage: CDGRABP [drive | SCSI ID] u Summary: The 'u' command issues an 'UnLock Drive Door' instruction to the drive. This enable the eject button and the 'Eject Disk' command on motor driven drives. See Also: 'c Close Door' in this guide. 'e Eject Disk' in this guide. 'l Lock Drive Door' in this guide. Usage: CDGRABP [drive | SCSI ID] pw Summary: The 'w' command allows you to monitor the Q-Channel information, i.e. the current play time. Note that it must be used in conjunction with a 'p' (play) command, in order that the Q-Channel be made active. Example: CDGRABP pw 3 Will start playing track 3, then bring up this screen: Commands: < , > Rewind (1 second decrement) < < > FastRewind (10 second decrement) < . > Forward (1 second increment) < > > FastForward (10 second increment) < + > Next track < - > Previous track < SPACE > Mark time (Index) < ESC > Exit < S > Stop audio & exit < R > Grab all index selections to RAW file < V > Grab all index selections to VOICE file < W > Grab all index selections to WAVE file < 1-9 > Repeat play Index selection (see sub-menu): < E > Adjust end of Index < S > Adjust start of Index (default) < ,<.> > As above < ALT , > Rewind 1 Frame (75th/Sec) < ALT . > Forward 1 Frame (75th/Sec) Track: 03 37m 59s 70f The track time will continuously update to show the current position on the disk. By using the command keys: ',<.>+-', it is possible to jump to a specific portion of the disc, and then 'mark' it by hitting the SPACE key. This will have the effect of creating an index start point. A subsequent SPACE will create an index end point. The time between the two points forms an index selection, and up to ten of these can be defined in a single session. Hitting the 'R', 'V' or 'W' keys will cause these selections to be saved to disk as 'RAW', 'VOICE' or 'WAVE' files respectively. The files will be named 'INDEX01.RAW', 'INDEX02.RAW', 'INDEX01.WAV' etc. When index selections are active, they can be 'auditioned' by hitting the corresponding number key ('1' to '9' and '0' for ten). This will cause the selected index to repeat play until the <RETURN> key is hit, at which point play will resume at the point before you hit the numeric key. Index selections can be adjusted by using the sub-menu command keys: 'ES,<.> ALT, ALT.' while they are auditioning. See Also: 'p Play Audio Track(s)' in this guide. 'P Play Audio Sector' in this guide. Data will be converted from the 44100Hz sample rate that is stored on CD-DA to a rate of 22050Hz. This causes an irrevocable loss of data (except by re-reading the CD), with the corresponding loss in sound quality. As with scaling data down to 22050Hz, this operation 'loses' half the data, by converting from 16-Bit to 8-Bit. There will be a more marked loss in quality, however. This operation simply reverses the order of the bytes within data words. On CD-DA, the PCM data is stored as 'LO-HI', i.e. least significant byte first. After conversion, the data will be in 'HI-LO' order. This can be useful if your CD-R system is expecting the data in 'Motorola' order (such as the Philips CDD521). This option should only be used when reading 'RAW' data, as Voice and Wave files must be stored 'LO-HI'. The main problem with reading audio data from CD is 'jitter'. This is caused by the drive's inability to correctly re-position itself between reads, causing 'gaps' or 'overlaps' in the data stream. During normal audio play operations, there would be no re-positioning as the drive is calibrated to output the data at a constant rate. When reading data to disk however, the read operation must be interrupted to output the data read so far, and this causes the drive's buffer to overflow, and reading to stop. The '-d' option causes CDGRAB to attempt to correct these problems by ensuring that all data is present, and no overlaps have occured. CDGRAB may seek the head to the start and end of the disk from time to time, to try and get past a difficult section. If this doesn't seem to be working, try the '-D' option instead. This option is identical to the '-d' option, except that it will not re-calibrate the head by seeking to start and end. You may find that some disks work better with '-D', and others with '-d'. This option will replace all data in the RIGHT channel with digital silence, leaving the output as STEREO. This option will discard all data in the RIGHT channel, converting the output to MONO. This option will digitally 'mix' the LEFT and RIGHT channels, producing MONO output. This option allows you to specifiy the Mode Select Density Code value you wish to use when performing reads. This means you can read any type of sector your drive supports if you know the correct Mode Select value to specify. As SCSI commands are all documented as HEX values, this number must always be in HEX. This option is only valid when running in ASPI mode. You should use the -s# option to specifiy the sector size if it is other than 2352 (RAW) or 2048 (COOKED) for the sector type you wish to read. This option disables pre-read checks of the TOC. Normally, CDGRAB will read the TOC to check that the sectors you have requested are within the recorded area of the disk, and warn (but not stop) if there seems to be an error. This will cause the program to fail if there is no TOC on the disk (as with a true CD-I disk). This option forces VOC output to be according to the version 1.10 specification. As this was an 8-Bit standard, 8-Bit scaling is automatically switched on. This option should be used to provide compatibility with sound editors or sound cards that have difficulty with ver 1.20 VOC headers. This option will replace all data in the LEFT channel with digital silence, leaving the output as STEREO. This option will discard all data in the LEFT channel, converting the output to MONO. This option allows you specify the sector size you wish to read. This will be passed directly to the drive, so must be appropriate to the type of sector you are trying to read, or an error will occur. Use the -M# command to specify particular Mode Select values if required (ASPI mode only). This option simply reverses the LEFT and RIGHT channels before outputting the data file. This option introduces a delay between each physical read of the CD. You can specifiy the delay in 'timer ticks' - i.e. 1/18.2 second. This was provided when we found it was the only way to cure a particularly bad case of 'jitter', but far better (perfect) results can now be obtained by using the -d and -D flags. This option specifies an optimum value for the -t flag, based on tests performed on Toshiba 3401/4101 and FD950 card. CDGRAB is a utility program, designed to give you low-level access to your CD-ROM and CD-DA discs. By utilising the MSCDEX and/or ASPI device drivers, it will provide a variety of facilities across a large number of hardware platforms. CDGRAB provides the following facilies: Digital copy of Audio data from CD-DA Raw 'sector' copy of CD-ROM disc Raw 'sector' copy of CD-I & CD-XA disc Raw 'sector' copy of PhotoCD disc Display contents of CD-ROM ISO Headers Display track listing of Audio disc Display capablilities of installed MSCDEX driver DOS command-line CD player Repeat-play sections of an Audio disc Save sections of Audio to .WAV .VOC or .RAW (PCM) files OPEN/CLOSE/LOCK CD drive door In addition, CDGRAB can perform some manipulation of the Audio data during copying, such as: Convert data from 44100Hz to 22050Hz Convert data from 16-Bit to 8-Bit Convert Stereo to Mono Mask out LEFT or RIGHT channels Swap LEFT and RIGHT channels Because CDGRAB relies on your MSCDEX driver software to interface to your CD-ROM drive, it is limited not only by the capabilities of your drive, but also by the implementation of the device driver that is communicating between the drive and MSCDEX (this does not apply when running a direct ASPI session, as MSCDEX is ignored - in this case, the only limitations are within the SCSI CD-ROM drive itself). The most serious limitation will be the capability to pass 'raw' Audio data to us via MSCDEX (or SCSI/ASPI). In theory, the driver itself tells you whether it is capable of doing this, when you use the 'd' command (MSCDEX mode only - see 'CDGRAB Commands' in this guide). In practice, however, the actual capabilities may differ from those reported. This may be because the device driver is capable of passing 'raw' Audio data, but the drive is not. Alternatively, the drive may be capable of passing 'raw' ROM sectors, but not Audio. CDGRAB is licenced for use on a single computer. You may install it on as many systems as you wish, but you may only run it on one at a time. Since it is copy-protected using a 'token-passing' system, this should be enforced automatically anyway. CDGRAB is written by AL Digital Ltd., who can be contacted at: A.L. Digital Ltd. Voysey House Barley Mow Passage London W4 4PT ENGLAND Tel: +44 (81) 742 0755 Fax: +44 (81) 994 4959 BBS: +44 (81) 994 9119 E-Mail: cdgrab@aldigital.algroup.com Please fill in this form, using the function from the <F10> menu. Use <Tab> to move between fields, and print the finished form out (again, from the <F10> menu) and post to us to receive the latest upgrade information, and technical support. Name: [ ] Company: [ ] Address: [ ] [ ] [ ] Post/Zip Code: [ ] Country: [ ] Phone: [ ] Fax: [ ] E-Mail: [ ] Product: [CDGRABP ] Version: [ ] Licence No: [0010140 ] Date Purchased: [ ] Purchased From: [ ] The vast majority of data that is stored on CD is subject to international copyright law. In most cases it is an offence to copy or manipulate this data, whether it be audio (CD-DA) or data (CD-ROM), without the express permission of the copyright holder. If you are a musician, and intend to use audio samples in a production of your own, you should contact one of the following organisations who will help you to obtain the clearance you need. For other types of data, please contact the originator of the CD to establish copyright ownership. Country: Contact: ALGERIA ONDA 6 Boulevard Du 11 Decembre 1960 El-Biar Alger TEL: (21 3) 786555 ARGENTINA SADAIC Apartado 11 Sucursal 44 (BS. AS.) 1444 Buenos Aires TEL: (54 1) 404867 FAX: (54 1) 111985 Roberto Barry BARRY SRL Ayda. R. Saenz Pena 1185 1035 Buenos Aires TEL: (54 1) 382 3230 FAX: (54 1) 383 0745 AUSTRALIA AMCOS Private Box 2135 North Sydney New South Wales 2059 TEL: (61 2) 9543655 FAX: (61 2) 9543664 AUSTRIA AUME A-1031 Vienna Baumannstrasse 10 Postfach 131 TEL: (43 1) 71787 FAX: (43 1) 7127136 BELGIUM SABAM Rue D'Arlon 75-77 B-1040 Brussels TEL: (32 2) 2302660 FAX: (32 2) 2311800 BRAZIL SICAM Largo Paissando 51 CEP 01034 Sao Paolo-SP TEL: (55 11) 2238555 C.I.S. 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