Re: DRM -Ain't- IBOC

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Article #612

#612

From: Steve
Date: Thu, 04 Oct 2007 15:24

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On Oct 4, 10:31 am, SFTVratings_t...@yahoo.com wrote:
> Hein ten Horn wrote:
> > SFTVratings_t...@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?

What statement?

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From:  Steve <renopithicus@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 08:24:04 -0700
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