Re: DRM -Ain't- IBOC

Article View: rec.audio.tech

Article #505

#505

From: Telamon
Date: Sat, 13 Oct 2007 19:50

41 lines
4005 bytes

In article <1192292021.274062.36720@t8g2000prg.googlegroups.com>,
 SFTV_troy <SFTV_troy@yahoo.com> wrote:

> RHF wrote:
> > On Oct 12, 8:52 am, SFTV_troy <SFTV_t...@yahoo.com> wrote:
> > > RHF wrote:
> > > > > On Oct 11, 5:48 am, SFTV_troy
> > >
> > > > > - There's no real difference between DRM's version
> > > > > - (sitting next-to the AM signal) and HD's version
> > > > > - (also sitting next-to the AM signal).
> > >
> > > > IBOC AM/MW "HD" Radio - Hybrid Mode
> > > >http://www.dallas.net/~jvpoll/rfi/AM620_KMKI/AM_IBOC_Mask10.gif
> > > > - Lower Digital Sidebands {Co-SideBand}
> > > > * Analog Host Signal (Mono) {Nested}
> > > > + Upper Digital Sidebands {Co-SideBand}
> >
> > - Thanks for proving my point.  HD sits *next to* the AM signal (+/-
> >
> > - 10 kHz).  Same as DRM sits *next to* the AM signal  (+/- 10 kHz).
> >
> >
> >
> > DRM = Simulcast without Specification {Sans-Mask}
> > x x x Does Not Equal x x x
> > IBOC = Intrinsic {Mask} : Nested Analog + Two Digital Co-Sidebands
> 
> 
> 
> I still don't see the difference.  Both standards are using sidebands,
> adjacent to the analog AM signal.

Ok, here is a difference you should understand. DRM uses two separate 
transmitters and antennas one digital and one analog. HD uses two 
different exciters one digital and the other analog that input into the 
same transmitter and antenna at the same time.

-- 
Telamon
Ventura, California

Technical Details

Message-ID: <telamon_spamshield-6FA542.12500913102007@newsclstr03.news.prodigy.net>

Path:

arc1-ca.pugleaf.net!g2news2.google.com!news1.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newscon02.news.prodigy.net!prodigy.net!newsdst01.news.prodigy.net!prodigy.com!postmaster.news.prodigy.com!newssvr22.news.prodigy.net.POSTED!03ce4474!not-for-mail

References:

<1191201354.812168.82840@19g2000hsx.googlegroups.com> <fdrf0l$tb8$1@registered.motzarella.org> <1191324370.137789.13750@w3g2000hsg.googlegroups.com> <1191367070.722183.304380@r29g2000hsg.googlegroups.com> <1191412958.156924.149200@50g2000hsm.googlegroups.com> <470434d7$0$227$e4fe514c@news.xs4all.nl> <1191508280.215104.47160@57g2000hsv.googlegroups.com> <4706b322$0$229$e4fe514c@news.xs4all.nl> <1191949982.216610.266170@50g2000hsm.googlegroups.com> <1191955760.211361.121080@k79g2000hse.googlegroups.com> <1192106899.683070.284770@r29g2000hsg.googlegroups.com> <1192128806.010233.226360@19g2000hsx.googlegroups.com> <1192176386.911562.123980@q3g2000prf.googlegroups.com> <1192204320.054371.282970@k35g2000prh.googlegroups.com> <1192239730.664706.152350@i13g2000prf.googlegroups.com> <1192292021.274062.36720@t8g2000prg.googlegroups.com>

Show Full Headers

Complete Article Headers

X-Google-Thread: fb1f8,75377a07268430fc
X-Google-Thread: 10a749,75377a07268430fc
X-Google-Thread: 114aac,75377a07268430fc
X-Google-Thread: f7d8a,2fbc1cad392d0236
X-Google-Attributes: gidfb1f8,gid10a749,gid114aac,gidf7d8a,public,usenet
X-Google-Language: ENGLISH,ASCII-7-bit
Path: arc1-ca.pugleaf.net!g2news2.google.com!news1.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!newscon02.news.prodigy.net!prodigy.net!newsdst01.news.prodigy.net!prodigy.com!postmaster.news.prodigy.com!newssvr22.news.prodigy.net.POSTED!03ce4474!not-for-mail
From: Telamon <telamon_spamshield@pacbell.net.is.invalid>
Newsgroups: rec.audio.tech,rec.audio.car,rec.radio.shortwave,ba.broadcast
Subject: Re: DRM -Ain't- IBOC
Organization: Internet Argonaut
References: <1191201354.812168.82840@19g2000hsx.googlegroups.com> <fdrf0l$tb8$1@registered.motzarella.org> <1191324370.137789.13750@w3g2000hsg.googlegroups.com> <1191367070.722183.304380@r29g2000hsg.googlegroups.com> <1191412958.156924.149200@50g2000hsm.googlegroups.com> <470434d7$0$227$e4fe514c@news.xs4all.nl> <1191508280.215104.47160@57g2000hsv.googlegroups.com> <4706b322$0$229$e4fe514c@news.xs4all.nl> <1191949982.216610.266170@50g2000hsm.googlegroups.com> <1191955760.211361.121080@k79g2000hse.googlegroups.com> <1192106899.683070.284770@r29g2000hsg.googlegroups.com> <1192128806.010233.226360@19g2000hsx.googlegroups.com> <1192176386.911562.123980@q3g2000prf.googlegroups.com> <1192204320.054371.282970@k35g2000prh.googlegroups.com> <1192239730.664706.152350@i13g2000prf.googlegroups.com> <1192292021.274062.36720@t8g2000prg.googlegroups.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
User-Agent: MT-NewsWatcher/3.5.1 (Intel Mac OS X)
X-Face: ,cNluD^cTg560%T8O&<Kwl!N>2R3MND4m%ln@,jFig:T/?4`pG(&J/So4b#dr        L[}ZxZ0m*vGk7]@)+cK-~F2Oywqc2-5Zcr`?1ys#:dGEv%BlKRh"Vebh!P``bcD}2$}}        ?U},D#0a<X#?i8!eCtVUxI>D*(AmZi(=NzA9%)Wc5C5ZODdwa~%7iN-+\RfW=c:@3w-,        L\Pzawef*7X!9VN#7d;~6Ka-
Message-ID: <telamon_spamshield-6FA542.12500913102007@newsclstr03.news.prodigy.net>
Lines: 41
NNTP-Posting-Host: 207.105.206.163
X-Complaints-To: abuse@prodigy.net
X-Trace: newssvr22.news.prodigy.net 1192305009 ST000 207.105.206.163 (Sat, 13 Oct 2007 15:50:09 EDT)
NNTP-Posting-Date: Sat, 13 Oct 2007 15:50:09 EDT
X-UserInfo1: OPYMB\CDVJWUCFH[OZK@_TDAYZOZ@GXOXZ^L\UQHWIWDUWYADNVOPCKZBL\NX_KHV^GY[KVMG^ZPNHSCZNS[^UXFJVWYXVXKBH[XRWWBBDTN@AX\JSBVH]_@T\EKJHBMZ\_WZJFNRY]YWKSPED_U^NC\HSZ\WS[KEAYI@DO@\K@BP\LD[\GTMPLDFVU]ASJM
Date: Sat, 13 Oct 2007 12:50:09 -0700

Reply to Parent Message