[opendtv] Re: 20050607 Twang's Tuesday Tribune (Mark's Monday Memo)
- From: "John Shutt" <shuttj@xxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Thu, 9 Jun 2005 16:58:31 -0400
Bert,
After reading your link, I fail to see any reference to the bitrates
proposed, only the number of carriers and the modulation type. With DVB-T
using 8K carriers and 64 QAM modulation in an 8 MHz channel you can have a
payload from 14.93 Mbps to 31.67 Mbps depending on code rate and guard
interval.
On what have you based your conclusion that they are attempting 3.3 bits/Hz.
John
----- Original Message -----
From: "Manfredi, Albert E" <albert.e.manfredi@xxxxxxxxxx>
> This latest example is to migrate UK DVB-T to 3.3
> b/s/Hz, for the purpose of transmitting HDTV. Where
> ATSC has always been, also for the purpose of
> transmitting HDTV.
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