Article View: rec.audio.tech
Article #617Re: HD RADIO is no worse than DAB or DRM radio
From: Robert Orban
Date: Fri, 05 Oct 2007 00:44
Date: Fri, 05 Oct 2007 00:44
30 lines
3017 bytes
3017 bytes
In article <MNVLi.1744$hI7.1135@newssvr17.news.prodigy.net>, david@davideduardo.com says... > > > >"Steve" <sdaniel13@speakeasy.net> wrote in message >news:1191188446.263584.71240@50g2000hsm.googlegroups.com... >> On Sep 30, 5:09 pm, "David Eduardo" <da...@davideduardo.com> wrote: >>> >>> Bob Orban, on the NRSC committee, found that consumer radios almost >>> without >>> exception, rolled off by at least 10 db by 4.2 kHz, and passed >>> practically >>> nothing over 5 kHz. >> >> That's funny, I just asked Bob if he 'found' this and he said no way, >> that you're basically just making shit up off the top of your head. >> > >The document was linked from one of Mr. Orban's posts on this ng, and is >searchable by Google. Go to http://www.nrscstandards.org/ and click "AM Bandwidth Study." See Figure 1 for the results. Note that this graph assumes NRSC preemphasis at the signal generator. (Footnote 3) This was the work of an NRSC working group that included me and many other broadcast engineers. Bob Orban
Technical Details
Message-ID:
<KJudnWJZ2vjjFZjanZ2dnUVZ_vvinZ2d@giganews.com>Path:
arc1-ca.pugleaf.net!g2news2.google.com!news2.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!news.giganews.com.POSTED!not-for-mailReferences:
<1191065666.205537.159420@n39g2000hsh.googlegroups.com> <1191096585.135753.167530@d55g2000hsg.googlegroups.com> <46ffb388.44729093@news.plus.net> <1191099764.677637.18050@22g2000hsm.googlegroups.com> <1191108136.459409.212620@50g2000hsm.googlegroups.com> <%vBLi.275$0I5.137@trnddc08> <1191140172.205755.136880@y42g2000hsy.googlegroups.com> <Crqdndk7urPjlp3anZ2dnUVZ_g-dnZ2d@championbroadband.com> <kgULi.30167$eY.6622@newssvr13.news.prodigy.net> <1191188446.263584.71240@50g2000hsm.googlegroups.com> <MNVLi.1744$hI7.1135@newssvr17.news.prodigy.net>Show Full Headers
Complete Article Headers
X-Google-Thread: fb1f8,428391383e1324a5 X-Google-Thread: 10a749,428391383e1324a5 X-Google-Thread: 114aac,cd4ad6cadcf2b245 X-Google-Thread: f7d8a,cd4ad6cadcf2b245 X-Google-Attributes: gidfb1f8,gid10a749,gid114aac,gidf7d8a,public,usenet X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!news2.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Thu, 04 Oct 2007 19:42:38 -0500 Newsgroups: rec.audio.tech,rec.audio.car,rec.radio.shortwave,ba.broadcast Subject: Re: HD RADIO is no worse than DAB or DRM radio From: Robert Orban <donotreply@spamblock.com> Date: Thu, 04 Oct 2007 16:44:05 -0800 X-Newsreader: WinVN 0.99.12S (x86 32bit) References: <1191065666.205537.159420@n39g2000hsh.googlegroups.com> <1191096585.135753.167530@d55g2000hsg.googlegroups.com> <46ffb388.44729093@news.plus.net> <1191099764.677637.18050@22g2000hsm.googlegroups.com> <1191108136.459409.212620@50g2000hsm.googlegroups.com> <%vBLi.275$0I5.137@trnddc08> <1191140172.205755.136880@y42g2000hsy.googlegroups.com> <Crqdndk7urPjlp3anZ2dnUVZ_g-dnZ2d@championbroadband.com> <kgULi.30167$eY.6622@newssvr13.news.prodigy.net> <1191188446.263584.71240@50g2000hsm.googlegroups.com> <MNVLi.1744$hI7.1135@newssvr17.news.prodigy.net> MIME-Version: 1.0 Content-Type: Text/Plain; charset=US-ASCII Message-ID: <KJudnWJZ2vjjFZjanZ2dnUVZ_vvinZ2d@giganews.com> Lines: 31 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-OLjxHIAnLSFTOWsCjDTJj4qdxDRFpsYmCnSVaIIbgtTszQBDFb5OGUr1IdENCltn/xFhCfntKquvf5q!QSRqTXwz2fxcetEJfHFfSFqav0TAGISClTTDDMP/IKug+lFv6VTOjSE2PEzt0lv8USbcXWWugw== X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.36