Re: DRM -Ain't- IBOC

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Article #611

#611

From: SFTVratings_troy
Date: Thu, 04 Oct 2007 14:31

37 lines
2818 bytes

Hein ten Horn wrote:
> SFTVratings_troy@yahoo.com wrote
> >
> > DRM has a hybrid digital/analog mode.  See this manual,
> > page 20.  Notice how the DRM sits "in-band on-channel"
> > same as the HD Radio works.
> > www.drm.org/pdfs/Broadcast_Manual.pdf
>
> No, the manual does not state
> "DRM has a hybrid digital/analog mode".
> A simulcast is not necessarily hybrid.


By that reasoning, HD Radio is not a hybrid format, because the
digital information sits *next to* the AM signal.

HD Radio is a simulcast format.



> [quote]
> DRM supports a number of different simulcast options. Currently the
> supported simulcast modes require the use of additional spectrum outside
> an assigned 9 or 10 kHz channel (Multi-Channel or Multi-frequency
> Simulcast, MCS). The DRM signal can be located in the next adjacent
> upper or lower channel and can occupy a half or whole channel
> depending on the bandwidth option chosen.
> [unquote]
>
> So far nothing about IBOC.



Okay.  By that reasoning, because HD Radio sits "next to" the AM
signal, then it is not IBOC either.  It is a simulcast format.

Do you agree with that statement?

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From:  SFTVratings_troy@yahoo.com
Newsgroups: rec.audio.tech,rec.audio.car,rec.radio.shortwave,ba.broadcast
Subject: Re: DRM -Ain't- IBOC
Date: Thu, 04 Oct 2007 07:31:20 -0700
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