[CQ-Contest] Re: Contest recording software

Fri Apr 23 11:39:47 EDT 1999

Getting ready for the CW WPX.  Use CT for logging.  Any comments about good
software to record the contest using SB board (for my personal log checking)?
Could use a different computer with Windows.

Thanks,

N0UU

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>From Leigh S. Jones" <kr6x at kr6x.com  Fri Apr 23 17:05:40 1999
From: Leigh S. Jones" <kr6x at kr6x.com (Leigh S. Jones)
Date: Fri, 23 Apr 1999 09:05:40 -0700
Subject: [CQ-Contest] N0UU software to record the contest using SB board
Message-ID: <001101be8da3$22608890$5469ca96 at pacesetter.com>

This is a multi-part message in MIME format.

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For a 30 hour contest you would need ~10 Gbytes of storage if you used =
16 bit audio with CD quality settings.  This suggests using lower =
quality audio settings (8-bits and low rep rate) and compression such as =
u-law.  This type of file cannot be reduced in size by pkzip.exe, ntfs, =
etc., due to the randomness of the data.  If your sound card didn't come =
with software that will continuously stream data to disk for an hour or =
so, then automatically start a new file name, you will have to write =
your own program to do it, because there is not much of a market for =
this type of software.  Or you can babysit the computer all weekend.  =
You probably won't want to create the whole thing in one file -- it =
could exceed the maximum file size that you are capable of handling.  It =
would be more efficient in terms of file storage space to record your =
own sending as text and start a new audio file each time that you stop =
transmitting.  A video tape recorder or DAT has been the method of =
choice for the informed contesters.  It can always be post-processed =
into your computer at your leisure.

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<DIV>For a 30 hour contest you would need ~10 Gbytes of storage if you =
used 16=20
bit audio with CD quality settings.&nbsp; This suggests using lower =
quality=20
audio settings (8-bits and low rep rate) and compression such as =
u-law.&nbsp;=20
This type of file cannot be reduced in size by pkzip.exe, ntfs, etc., =
due to the=20
randomness of the data.&nbsp; If your sound card didn't come with =
software that=20
will continuously stream data to disk for an hour or so, then =
automatically=20
start a new file name, you will have to write your own program to do it, =
because=20
there is not much of a market for this type of software.&nbsp; Or you =
can=20
babysit the computer all weekend.&nbsp; You probably won't want to =
create the=20
whole thing in one file -- it could exceed the maximum file size that =
you are=20
capable of handling.&nbsp; It would be more efficient in terms of file =
storage=20
space to record your own sending as text and start a new audio file each =
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that you stop transmitting.&nbsp; A video tape recorder or DAT has been =
the=20
method of choice for the informed contesters.&nbsp; It can always be=20
post-processed into your computer at your leisure.</DIV></BODY></HTML>

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