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The Telecom Digest for April 21, 2012
Volume 31 : Issue 99 : "text" Format
Messages in this Issue:
Re: NYT: on modern phonograph turntables (Scott Dorsey)
Telstra hands telephone 'spoofing' inquiry to police (Anonymous)

====== 30 years of TELECOM Digest -- Founded August 21, 1981 ======

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Date: 20 Apr 2012 13:25:36 -0400
From: kludge@panix.com (Scott Dorsey)
To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org.
Subject: Re: NYT:  on modern phonograph turntables 
Message-ID: <jms66g$jgs$1@panix2.panix.com>

HAncock4  <withheld@invalid.telecom-digest.org> wrote:
>
>The New York Times had an article about the technology of modern
>phonograph turntables, which are growing in popularity.  It discusses
>things like the "moving magnet" vs. "moving coil" cartridge and
>elliptical vs spherical needles.

It's not really very good, but it's interesting.  Right now there is a huge
split between the audiophile and DJ worlds and little between them.

>(The turntables mentioned still use a stylus.  I thought they had
>developed a turnable that used a laser to read the groove, but
>apparently nothing more came of that.)

Lots did.  There are several commercial products, and a lot of archival 
folks use them.  They require a lot of post-processing and extreme
cleanliness, because light dust that would be brushed away by a stylus 
is detected as modulation by the laser, so the noise floor is far higher.
You can get set up with a Finial for around $10k today.
--scott

-- 
"C'est un Nagra. C'est suisse, et tres, tres precis."




Date: Fri, 20 Apr 2012 15:34:17 +1000
From: "Anonymous" <anonymous@invalid.telecom-digest.org>
To: telecomdigestmoderator.remove-this@and-this-too.telecom-digest.org.
Subject: Telstra hands telephone 'spoofing' inquiry to police 
Message-ID: <pan.2012.04.20.05.34.16.536394@yahoo.com.au>

Telstra hands telephone 'spoofing' inquiry to police
Matthew Kelly
April 19, 2012

Police have become involved in an investigation into how dozens of Telstra
customers with numbers starting with 4963 were wrongly billed for calls to
an internet gaming site.

Telstra's billing and security divisions have been investigating how
several hundred calls to 1900 910 080 were made during a two week period
last month.
..........
Read more:

http://www.theage.com.au/technology/technology-news/telstra-hands-telephone-spoofing-inquiry-to-police-20120419-1x8nm.html#ixzz1sYWa3oY2

-or-

http://goo.gl/TB4r3






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