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Re: [CQ-Contest] contest recording

To: NØTA -- Russ Kaelberer <n0ta@comcast.net>
Subject: Re: [CQ-Contest] contest recording
From: "Federico J. Baldi" <federico_baldi@yahoo.com.ar>
Date: Tue, 11 Oct 2005 21:20:50 -0300
List-post: <mailto:cq-contest@contesting.com>
El mar, 11-10-2005 a las 14:33 -0600, NÃTA -- Russ Kaelberer escribiÃ:
> From Tips and tricks page: 
> 
> Â Recording is done at 11025 Hz, 8 bit, mono (30 seconds = 250 kB, maximum 
> 30 MB/hour).
> 
> Recording uses about 1 GB per 24 hours (40â50 MB per hour). There are 
> programs which can compress these wav files to MP3 files but if this can be 
> done at the same time when giving CQ depends a lot on the computer used. A 
> clunker will surely not do it. There is of course the possibility to do this 
> after the contest. Enough harddisk space during the contest is necessary.
> 

You can try the Ogg Vorbis compression codec that is better than mp3.

http://en.wikipedia.org/wiki/Vorbis

http://plus24.com/mp3-howto/mp3-howto.html

And programs like SOX to record an compress in background, in linux it's
easy cake, just a script.

73, fede.

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