From owner-freebsd-multimedia  Thu Feb 13 15:01:32 1997
Return-Path: <owner-multimedia>
Received: (from root@localhost)
          by freefall.freebsd.org (8.8.5/8.8.5) id PAA16466
          for multimedia-outgoing; Thu, 13 Feb 1997 15:01:32 -0800 (PST)
Received: from rah.star-gate.com (rah.star-gate.com [204.188.121.18])
          by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id PAA16458
          for <multimedia@freebsd.org>; Thu, 13 Feb 1997 15:01:29 -0800 (PST)
Received: from rah.star-gate.com (localhost.star-gate.com [127.0.0.1]) by rah.star-gate.com (8.8.5/8.7.3) with ESMTP id PAA16006; Thu, 13 Feb 1997 15:01:28 -0800 (PST)
Message-Id: <199702132301.PAA16006@rah.star-gate.com>
X-Mailer: exmh version 1.6.9 8/22/96
To: Don Yuniskis <dgy@rtd.com>
cc: pete@sms.fi, multimedia@freebsd.org
Subject: Re: broadcast video 
In-reply-to: Your message of "Thu, 13 Feb 1997 15:52:57 MST."
             <199702132252.PAA16403@seagull.rtd.com> 
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Date: Thu, 13 Feb 1997 15:01:27 -0800
From: Amancio Hasty <hasty@rah.star-gate.com>
Sender: owner-multimedia@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk


MPEG-2 is also intended for NTSC, HDTV, and computers

You can easily call up Optibase or C-Cube.

An mpeg decoder chip shall run you about $40 or less.

BTW: Is your box going to run FreeBSD?

	Amancio

>From The Desk Of Don Yuniskis :
> It seems that Amancio Hasty said:
> > >From The Desk Of Petri Helenius :
> > > Amancio Hasty writes:
> > >  > 
> > >  > H.261 or H.263 are great for real time encoding for TV quality
> > >  > you probably would want to use mpeg. So just read a little 
> > >  > on H.261, H.263, and mpeg. mpeg is almost tv quality depends
> > >  > on the kind of encoder options that you give to the mpeg
> > >  > encoder.
> > >  > 
> > >  > On todays, fast PCs we can do mpeg playback in software.
> > > 
> > > When you say MPEG above I take it that you were saying MPEG-1 since
> > > MPEG-2 can go beyond broadcast TV quality and is not that well
> > > decodable with software (the CPU power is not just there yet)
> > 
> > Yes, I meant MPEG-1 and MPEG-2 is supposed to HDTV or higher
> > quality than TV.
> 
> Yes, I understood that from the limited research I had already done.
> But, as I dig further into this, it seems like MPEG-*2* is intended
> for NTSC video.  From a FAQ (URL not available off hand, sorry...)
> 	"The emphasis for the DVD movie player [a DVD FAQ, obviously :>]
> 	is on high quality, 720x480 (NTSC), 60 field per second video
> 	encoded from 24 frame per second film..."
> But, *those* numbers don't "add-up", either. as "480" lines are not
> displayed at 60Hz (since the display is interlaced) and I think
> the active video is less than 720 wide...
> 
> Hmmm...
> 
> I guess I need to locate some video codec manufacturers and look at some
> data sheets to get a firmer understanding...
> 
> --don