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CDCLIP.EXE - CDROM Digital Audio Reader
>>> PROGRAM DESCRIPTION <<<
CDCLIP will read "digital audio data" from an audio/music CD and
store the data in a binary output file (default is WAV format).
Automatic "jitter" correction is performed to insure correct digital
copies. CDCLIP can also be used to extract raw 2352 byte data sectors
from a non-audio disc using the /DATA option (not supported by all
CDROM drives).
***********************************************************************
>>> SUPPORTED DEVICES <<<
Please refer to the following web page for the latest list of
supported devices...
http://www.goldenhawk.com/devices.htm
**********************************************************************
>>> COMMAND LINE USAGE <<<
Usage: CDCLIP <imagefile> [/START=<start>] [/END=<end>] [/TRACK=n]
[/ID=ha:id:lun] [/BATCH] [/CDG] [/DATA] [/JC] [/NOJC] [/SPEED=n]
[/AIF] [/BIN] [/MOT] [/WAV]
imagefile - Output image data file
/START - Starting MSF/LBA (default is start of disc)
/END - Ending MSF/LBA (default is end of disc)
/TRACK - Copy specified track number (1 to 99)
/ID - SCSI ID of CDROM drive (default is first found)
/BATCH - Disable all logging messages
/CDG - Enable reading of CD+G subcodes
/DATA - Enable reading of raw (2352 byte) data sectors
/JC - Enable 'jitter' correction (audio only)
/NOJC - Disable 'jitter' correction (audio only)
/SPEED=n - Audio reading speed (default is maximum)
/AIF - Write output file in AIFF format (audio only)
/BIN - Write output file in Intel binary format (default for data)
/MOT - Write output file in Motorola binary format
/WAV - Write output file in WAVE format (default for audio)
e.g. CDCLIP /START=10:14:36 /END=13:55:11 /WAV TEST.WAV
e.g. CDCLIP /START=106232 /END=124443 /BIN TEST.BIN
e.g. CDCLIP /TRACK=5 /ID=0:3:0 /SPEED=4 TRACK5.WAV
The switches /START and /END specify the starting and ending
address of the data to copy. The address can be either a "logical
block address" or a "physical time address". Logical blocks start
at zero and physical time starts at 00:02:00. The default values
for /START and /END are the first and last blocks on the disc.
NOTE: Some CD readers have problems locating the last readable
block on a disc. If this happens, you will have to explicitly specify
the ending address. Use TOC.EXE to display the disc's table-of-contents
and use the LBA of the leadout track minus one. Some readers also have
problems reading the last few blocks before the leadout track, so you
might have to subtract two or three from the leadout LBA.
The /TRACK switch can be used instead of /START and /END to
specify that an entire track be copied to the output file. NOTE:
This will also copy the pregap from the next track (if it exists).
The /SPEED switch can be used to change the reading speed of
the CDROM drive (not supported by all models). This is useful
when reading from very fast drives such as the Plextor 6Plex.
The /APPEND switch can be used to append additional audio data
to an existing file.
**********************************************************************
>>> JITTER CORRECTION <<<
What is jitter correction?
When digital audio is read from a CDROM drive, most drives are not
capable on positioning the laser at the precise beginning of the
data that you are trying to read. This is because there is no extra
information at the beginning of an audio sector to indicate where
the sector starts (like there is in a data sector). Because of this
positioning error, you will either miss a certain number of bytes at
the beginning of a sector or get duplicate bytes from the end of the
previous sector. The jitter correction algorithm compensates for
these position errors through the use of overlapped I/Os and a sector
save/compare scheme.
The /JC and /NOJC switches are used to explicitly enable or disable
jitter correction. CDCLIP automatically chooses the best method for
each CDROM drive model, but you may need to override this choice in
certain situations.
The only drives that absolutely require jitter correction (to insure
a perfect copy) are those made by Toshiba. All other drives supported
by CDCLIP only require that the audio data be read fast enough to keep
the drive's internal buffer from overflowing as it streams data off of
the disc. If you are using a very fast drive such as the Plextor 6Plex
or 8Plex, then your system might not be able to keep up with the fast
transfer rate and a buffer overflow will occur. In these cases, you will
need to enable jitter correction to compensate for this heavy load.
**********************************************************************
Please send all suggestions, comments, and bug reports to...
Golden Hawk Technology
909 Columbia Circle
Merrimack, NH 03054
Phone: 603-429-1008
FAX : 603-429-0073
URL : http://www.goldenhawk.com
EMAIL: support@goldenhawk.com
**********************************************************************
Updated on JANUARY 27, 2002