[mythtv-users] PVR250: 480x480 vs 720x480

[Joel Anderson]

If I understand correctly, your bitrate is not changed, so your file size is
not changed.  You now have more pixels, but with the same bitrate you have
less bits per pixel being encoded.  Someone will correct me if I have that
wrong.  :)

Regards,
Joel Anderson

----- Original Message -----
From: "Volckaert, Jeff" <jvolckaert at chartermi.net>
To: <mythtv-users at mythtv.org>
Sent: Wednesday, December 03, 2003 3:57 PM
Subject: [mythtv-users] PVR250: 480x480 vs 720x480


> Hello Everybody,
>
> Up until a few days ago I had been using 480x480 2500-4000
> bitrate for recording and getting 1.3G/hour.  My wife got a
> dvd/tv combo last weekend though and it can't play misc
> mpgs burned to DVD like my other player.  So I changed the
> default res to 720x480 and waited to see my 1.3G files
> swell up to 2G or more.  Well, that didn't happen.  I still
> get 1.3G/hour.  I thought I must have screwed up the change
> and it didn't stick.  Nope, it's recording at 720x480 and I
> can make a DVD which plays just fine in the dvd/tv combo.
>
> What gives?  Why is 480x480 and 720x480 producing the same
> file size?
>
> Thanks,
> Jeff
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