SV: [M4IF Technotes] Re: [M4IF News] MPEG special in EE Times

[Mikael Reichel]

RE: [M4IF Technotes] Re: [M4IF News] MPEG special in EE TimesThis is all quite interesting move for folks like you and me Doc, involving content aggregation and distribution over broadband networks.
However, is it realistic to assume MPEG4 can offer comparative quality to MPEG4 in the higher bitrates such as 5-9 Mbit/s? 
Also I dont think MPEG2 will go away until the TV broadcasts migrate to MPEG4 from MPEG2, and that wont happen for a while for sure.
The way we build broadband media head ends here is to simply receive (downlink) and apply another layer over DVB/MPEG2 and shoot it out on the GigE network. So, there is no concatenation or transcoding occuring why the original quality is exactly as broadcated to begin with. We even keep the VBR as is.
Hence, in my mind the ideal STB is one that handles both 2 and 4 and does so independently but with overlay (alpha keying) capability.
BTW, whereabouts is the "magic" threshold for processor speed running MPEG4 softdecoding at full resolution?
rgds/mike reichel
NSG AB
-----Original Message-----
From: McClenny, John Doc <JMcClenny   sandstream.com>
To: 'Rob Koenen' <rkoenen   intertrust.com>; <yh86us   yahoo.com>; <technotes   lists.m4if.org>
Cc: M4IF news (E-mail) <news   lists.m4if.org>
Date: Thursday, November 15, 2023 12:20 AM
Subject: RE: [M4IF Technotes] Re: [M4IF News] MPEG special in EE Times
comments at the end 
> -----Original Message----- 
> From: Rob Koenen [mailto:rkoenen   intertrust.com] 
> 
> > -----Original Message----- 
> > From: YH [mailto:yh86us   yahoo.com] 
> > 
> > > * iVAST And Sigma Designs Form Partnership to Offer a Set-Top 
> > >   Box Based On MPEG-4 
> > 
> > Interesting. Will the MPEG-4 be used in DTV and HDTV? I was 
> > heard that the 
> > MPEG-4 won't replace MPEG-2? 
> > 
> 
> And indeed it will not. Look at PACE - just launched an MPEG-2 STB 
> that can also decode MPEG-4. MPEG-2 is for the basic programming, 
> MPEG-4 for additional/enhanced wervices. 

MPEG-4 is cheap insurance at this point.  The IP STB space is a lot less tied to MPEG-2 than the DBS/broadcast space.  If MPEG-4 evolves to a 'better' solution for this market, MPEG-2 could go away. 
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