Re: DRM -Ain't- IBOC

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Article #514

#514

From: RHF
Date: Fri, 12 Oct 2007 08:11

60 lines
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On Oct 11, 11:51 am, RHF <rhf-newsgro...@pacbell.net> wrote:
> On Oct 11, 5:43 am, SFTV_troy <SFTV_t...@yahoo.com> wrote:
>
>
>
>
>
> > David Eduardo wrote:
> > > "SFTV_troy" <SFTV_t...@yahoo.com> wrote in message
>
> > > > There is no technical difference.  Both HD radio and DRM operate on
> > > > the same principles:
> > > > - 2 separate signals
> > > > - 1 analog
> > > > - 1 digital
> > > > - the digital is simulcast "next to" the original analog signal
>
> > > No, DRM is 100% digital. To run analog simultaneously you need a separate
> > > frequency. Some testing is being done, like that in Mexico, by placing the
> > > DRM signal on the adjacent AM channel... a station on 1060 is going to have
> > > DRM on 1070.
>
> > And I repeat:
>
> - HD radio works the same way.  
> - The digital signal sits *next to* the station at 1070.
>

- SFTV,
-
- BLATANTLY TECNICALLY WRONG ARE YOU SURE YOU ARE AN "EE" ?
-
- us lesser beings would like proof ~ RHF
- .

SFTV,

iBquity's IBOC Hybrid Mode for AM/MW "HD" Radio
http://www.dallas.net/~jvpoll/rfi/AM620_KMKI/AM_IBOC_Mask10.gif

- Lower Digital Sidebands {Co-SideBand}

0 Analog Host Signal (Mono) {Nested}

+ Upper Digital Sidebands {Co-SideBand}

* The Three (3) Signals are Combined into 'a' "Single"
Unified Broadcasting System. {Intrinsic}

-Note- The IBOC Signa supports the current AM Mono Signal as well as
the Digital {IBOC} Signal. Provides for 40kbps Data Rate, for Full
Stereo plus a Low Speed Data Path. Audio 36kbps, Song Title and Artist
4kbps .
 .
http://www.rthk.org.hk/about/digitalbroadcasting/DSBS/ABU_AIR_2003/ses1_files/frame.htm#slide0143.htm
 .
intrinsic, Intrinsic. INTRINSIC ! ~ RHF
http://electronicdesign.com/Files/29/12194/Figure_02.gif

 .

Technical Details

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From:  RHF <rhf-newsgroups@pacbell.net>
Newsgroups: rec.audio.tech,rec.audio.car,rec.radio.shortwave,ba.broadcast
Subject: Re: DRM -Ain't- IBOC
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