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Started by Ted Ledingham
Fri, 18 Dec 1998 00:00
Re: DAB Receivers compatibility vs MOT
Author: Ted Ledingham
Date: Fri, 18 Dec 1998 00:00
Date: Fri, 18 Dec 1998 00:00
47 lines
2973 bytes
2973 bytes
*********************************************************************** * RADIO-L : a discussion of Digital Audio Broadcasting (DAB) * *---------------------------------------------------------------------* * send discussion/contributions to: RADIO-L@tc.umn.edu (Internet) * *********************************************************************** Date: 18 December 1998 From: gauthierf@montreal.radio-canada.ca Subject: Re: DAB Receivers compatibility vs MOT Matthias Unbehaun wrote: > Synchronization with an accuracy of approx. 1 sec. can be achieved, > provided the equipment is operated properly. Many demonstrations > during the recent years have shown this. I am aware of the capability of the MOT standard and I know that all synchronization parameters of the header extension of a MOT object (such as StartValidity, TriggerTime, ExpireTime and others) can be specified. Matthias Unbehaun was saying that their usage as been demonstrated successfully in the past. My concern is if these demonstrations were performed using "commercial" receivers or with laboratory units. As I have seen so far, none of the off-the-shelf product allows synchronization of PAD with audio (someone please, prove me if I am wrong). As a broadcaster, we need to design and plan our studio according to the common denominator receiver, not to the faith of specifications. Does anyone knows if a "MOT quality assurance" committee will be formed to approved the compliance with the specifications of the receivers? A lot of decisions have to be taken very soon by the broadcasters about how much money we will spend in our studios to fully support the standards. Right now, we are proceeding as an act of faith. Since Christmas is coming very soon, I would like to hear Santa telling me that it will work! Merry Christmas! Fran�ois O. Gauthier, Networks Engineer Distribution Services / Services de la distribution Canadian Broadcasting Corporation / Soci�t� Radio-Canada *********************************************************************** * Check out RADIO-L and other DAB resources on the World Wide Web * * http://www.magi.com/~moted/dr * ***********************************************************************
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