[GreenKeys] Telephoto machines?

Wed Jul 1 14:49:57 EDT 2015

http://earbirding.com/blog/archives/1229

It certainly could be used for speech analysis

I believe it was made by Kay.

http://jproc.ca/rrp/sonagraph.html

http://fonetiek.ullet.net/pacilly/Pras/vk-6-sg-6061-b.jpg

Lester B Veenstra  MØYCM K1YCM W8YCM

lester at veenstras.com

US Postal Address:

5 Shrine Club Drive

HC84 Box 89C

Keyser WV 26726

GPS: 39.336826 N  78.982287 W (Google)

GPS: 39.33682 N  78.9823741 W (GPSDO)

Telephones:

Home:                     +1-304-289-6057

US cell                    +1-304-790-9192 

UK cell                    +44-(0)7849-248-749 

Guam Cell:              +1-671-929-8141

Jamaica:                 +1-876-456-8898 

This e-mail and any documents attached hereto contain confidential or

privileged information. The information is intended to be for use only by
the individual or entity to whom they are addressed. If you are not the
intended recipient or the person responsible for delivering the e-mail to
the intended recipient, be aware that any disclosure, copying, distribution
or use of the contents of this e-mail or any documents attached hereto is
prohibited.

-----Original Message-----
From: Richard Knoppow [mailto:1oldlens1 at ix.netcom.com] 
Sent: Wednesday, July 01, 2015 1:48 PM
To: lester at veenstras.com; greenkeys at mailman.qth.net
Subject: Re: [GreenKeys] Telephoto machines?

     Interesting.  I had associated the name with the analyzer used in 

the Bell Labs experiment  but found it does not appear in the book 

"Visible Speech" I cited.   Evidently my memory was not so far off the 

mark.

On 6/30/2015 5:44 PM, Lester Veenstra wrote:

> The SONOGRAPH was an off line audio spectrum analyzer

> It could analyze speech or  visually demodulate the bits (bauds) of a
fm/fsk

> system

> 

> 

> Lester B Veenstra  MØYCM K1YCM W8YCM

> lester at veenstras.com

> 

> US Postal Address:

> 5 Shrine Club Drive

> HC84 Box 89C

> Keyser WV 26726

> GPS: 39.336826 N  78.982287 W (Google)

> GPS: 39.33682 N  78.9823741 W (GPSDO)

> 

> 

> Telephones:

> Home:                     +1-304-289-6057

> US cell                    +1-304-790-9192

> UK cell                    +44-(0)7849-248-749

> Guam Cell:              +1-671-929-8141

> Jamaica:                 +1-876-456-8898

>   

> This e-mail and any documents attached hereto contain confidential or

> privileged information. The information is intended to be for use only by

> the individual or entity to whom they are addressed. If you are not the

> intended recipient or the person responsible for delivering the e-mail to

> the intended recipient, be aware that any disclosure, copying,
distribution

> or use of the contents of this e-mail or any documents attached hereto is

> prohibited.

> 

> 

> 

> -----Original Message-----

> From: GreenKeys [mailto:greenkeys-bounces at mailman.qth.net] On Behalf Of

> Richard Knoppow

> Sent: Tuesday, June 30, 2015 6:37 PM

> To: greenkeys at mailman.qth.net

> Subject: Re: [GreenKeys] Telephoto machines?

> 

>        The term Sonograph reminded me of another device not related but

> the name tickled my memory.   This was a sound spectrograph developed at

> Bell Laboratories sometime around the mid-1940s and used for the

> analysis of speech.   A book was published describing the method and

> discussing some of the results under the title _Visible Speech_  Potter,

> Kopp and Green   (1948) D. van Nostrand and Company.   I thought the

> machine might have used Teledeltos paper but it seems to have used

> photographic paper.   A machine for "reading" the graphs was also

> designed.  I remember seeing a film or program about this research on

> television when I was a kid.  Perhaps available at Archive org or You

> Tube, I have not yet looked. Although pretty far removed from Teletype

> machines or even FAX machines I think it may be of some interest to

> those on this list. Note that Mellville Bell, Alexander Bell's father,

> devised a phonetic alphabet also called Visible Speech, many years

> before this spectrum analyzer.   Unfortunately the book does not seem to

> be available as a PDF on the web.   I believe several related papers

> were published in the BSTJ and in the Journal of the Acoustical Society

> of America but do not have specific citations.

> 

> On 6/30/2015 10:10 AM, Lester Veenstra wrote:

>> And also use in the SONOGRAPH, a device well known to CTTs and CTMs.

>> 

>> 

>> Lester B Veenstra  MØYCM K1YCM W8YCM

>> lester at veenstras.com

>> 

>>> -- Chris Elmquist N?JCF

>>       No, it was called Teledeltos paper.   It's a simple resistive

>> coating (carbon plus copper thiocyanate in the final version)

>> which is burned off by power from the writing stylus.  It's

>> not electrostatic; that puts something onto the paper. This takes it

>> off.

>> 

>> ______________________________________________________________

>> GreenKeys mailing list

>> Home: http://mailman.qth.net/mailman/listinfo/greenkeys

>> Help: http://mailman.qth.net/mmfaq.htm

>> Post: mailto:GreenKeys at mailman.qth.net

>> 

>> 2002-to-present greenkeys archive:

> http://mailman.qth.net/pipermail/greenkeys/

>> 1998-to-2001 greenkeys archive:

> http://mailman.qth.net/archive/greenkeys/greenkeys.html

>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:

> http://comcents.com/tty/greenkeyssearch.html

>> This list hosted by: http://www.qsl.net

>> Please help support this email list: http://www.qsl.net/donate.html

>> 

-- 

Richard Knoppow

1oldlens1 at ix.netcom.com

WB6KBL

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20150701/38169f93/attachment.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image001.jpg
Type: image/jpeg
Size: 20415 bytes
Desc: not available
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20150701/38169f93/attachment.jpg>