>From - Sat Mar 02 00:57:27 2024
Received: by 10.36.127.16 with SMTP id z16mr1124459nzc.1188195628374;
Sun, 26 Aug 2007 23:20:28 -0700 (PDT)
Return-Path: <jm..._at_tscm.com>
Received: from swip006.ftl.affinity.com (lvs00-fl-swip006.ftl.affinity.com [216.219.253.16])
by mx.google.com with ESMTP id y6si2441343nzg.2007.08.26.23.20.28;
Sun, 26 Aug 2007 23:20:28 -0700 (PDT)
Received-SPF: neutral (google.com: 216.219.253.16 is neither permitted nor denied by best guess record for domain of jm..._at_tscm.com) client-ip=216.219.253.16;
Authentication-Results: mx.google.com; spf=neutral (google.com: 216.219.253.16 is neither permitted nor denied by best guess record for domain of jm..._at_tscm.com) smtp.mail=jm..._at_tscm.com
Received: from [70.22.253.64] ([70.22.253.64]:25348 "EHLO Raphael.tscm.com")
by swip006.ftl.affinity.com with ESMTP id S370424AbXH0GHz convert rfc822-to-8bit
(ORCPT <rfc822;T..._at_googlegroups.com>);
Mon, 27 Aug 2007 02:07:55 -0400
Message-Id: <7.0.1.0.2.20070827015403.132fee00_at_tscm.com>
X-Mailer: QUALCOMM Windows Eudora Version 7.0.1.0
Date: Mon, 27 Aug 2007 02:00:24 -0400
To: TSCM-L <TSCM-..._at_googlegroups.com>
From: "James M. Atkinson" <jm..._at_tscm.com>
Subject: Video Tiiming
Mime-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"; format=flowed
Content-Transfer-Encoding: 8BIT
Video Signal Base Timing Chart
Chrominance Subcarrier (base timing signal, highest frequency)
= 63/88 * 5 MHz
= 3.57954545
MHz (Color Burst Frequency)
Number of Scanning Lines (Interlaced) (Ref: 47 CFR 73.682)
= 525 Total Lines (2 * 262.5 Interlaced lines)
= 70 Lines not displayed (Vertical Blanking Interval)
Line 10, Telecommunications
Line 11, Telecommunications
Line 12, Telecommunications
Line 13, Telecommunications
Line 14, Telecommunications
Line 15, Telecommunications
Line 16, Telecommunications
Line 17, Telecommunications, Test Signals, Cue, and Control Signals
Line 18, Telecommunications, Test Signals, Cue, and Control Signals
Line 19, Reference Data, Test Signals, Cue, and Control Signals
Line 20, Test Signals, Cue, and Control Signals
Line 21, Program Data
NRZ Format, ASCII 7 bits plus parity
= 455 Actually Displayed Lines
Horizontal Frequency
= 2/455 * Chrominance Subcarrier
= 2/455 * 3.57954545
MHz
= 15.734264 kHz +/- 0.044 Hz
= 15.750 kHz
Vertical Frequency (Screen Refresh)
= 2/525 * Horizontal Frequency
= 2/525 * 15.734266 kHz +/- 10 Hz
= 59.940 Hz (60 Hz)
NTSC Channel Format
Band Start 0
Horizontal Sync .015734
1 V-15 kHz Sync 1.234265735
2 V-60 Hz 1.249940000
3 Video Carrier 1.250000000
4 V+60 Hz 1.250060000
5 V+15 kHz Sync 1.265734265
6 Chroma Sync 3.579500000
Peak Audio 4.375000000 -125.000000
7 Sub6.5 - PRO 4.397727278 -102.272723
8 Sub6 - SAP+1 4.405594410 -94.405590
9 Sub5 - SAP 4.421328675 -78.671325
10 Sub4 - SAP-1 4.437062940 -62.937060
11 Sub3 - 4.452797205 -47.202795
12 Sub2 - L-R Carrier 4.468531470 -31.468530
13 Sub1 - Stereo Pilot 4.484265735 -15.734265
14 Audio Carrier (L+R) 4.50000000 0
15 Sub1 - Stereo Pilot 4.515734265 15.734265
16 Sub2 - L-R Carrier 4.531468530 31.468530
17 Sub3 - 4.547202795 47.202795
18 Sub4 - SAP-1 4.562937060 62.937060
19 Sub5 - SAP 4.578671325 78.671325
20 Sub6 - SAP+1 4.594405590 94.405590
21 Sub6.5 -
PRO 4.602272723 102.272723 Audio may be centered here
Peak Audio 4.62500000 0.12500000
Band End 6.000000000
----------------------------------------------------------------------------------------------------
World Class, Professional, Ethical, and Competent Bug Sweeps, and
Wiretap Detection using Sophisticated Laboratory Grade Test Equipment.
----------------------------------------------------------------------------------------------------
James M. Atkinson Phone: (978) 546-3803
Granite Island Group Fax: (978) 546-9467
127 Eastern Avenue #291 Web:
http://www.tscm.com/
Gloucester, MA 01931-8008 E-mail: mailto:jm..._at_tscm.com
----------------------------------------------------------------------------------------------------
We perform bug sweeps like it's a full contact sport, we take no prisoners,
and we give no quarter. Our goal is to simply, and completely stop the spy.
----------------------------------------------------------------------------------------------------
Received on Sat Mar 02 2024 - 00:57:27 CST