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Graham's Line Identification Tone System (GLITS) is a test signal for stereo systems devised by BBC TV Sound Supervisor and Fellow of the IPS Graham Haines in the mid-1980s. It comprises a 1 kHz tone at 0 dBu (-18 dBFS ) on both channels, with interruptions which identify the channels.
Black & Lane's Ident Tones for Surround (BLITS) is a way of keeping track of channels in a mixed surround-sound, stereo, and mono world. [1] It was developed by Martin Black and Keith Lane of Sky TV London in 2004. BLITS is used by Sky, the BBC and other European and US broadcasters to identify and lineup 5.1 broadcast circuits.
Test Card C [6] was a BBC television test card first broadcast in 1947. [2] It was the first test card to resemble the famous Test Card F. [5] Test Card C allowed adjustment and verification of parameters such as: [7] Aspect Ratio: central circles; Resolution: five gratings corresponding to frequencies of 1.0, 1.5, 2.0, 2.5 and 3.0 MHz
A test CD is a compact disc containing tracks of musical and technical tests and demonstrations. Most of the tracks are made of electronic signals and pure frequencies . The purpose of these specialized compact discs is to make accurate tests and calibrate audio equipment .
In telecommunication, a standard test tone is a pure tone with a standardized level generally used for level alignment of single links and of links in tandem. [1]For standardized test signal levels and frequencies, see MIL-STD-188-100 for United States Department of Defense (DOD) use, and the Code of Federal Regulations Title 47, part 68 for other Government agencies.
It was here that Billy met Neil Case. Neil had an idea for a new style of car audio bass CD that would include test tones to set up audio systems properly. This was the birth of the Bass Mekanik Series of releases. Neil and Billy continue to release albums under the Bass Mekanik name and have sold about a million copies [citation needed] of ...
Crutchfield Corporation is a North American retailer specializing in a wide range of electronics, including mobile audio and video equipment for the automobile, along with speakers, televisions, and other electronics for home or portable use, serving both the United States and Canada. It was created in 1974 by William G. "Bill" Crutchfield, Jr ...
Off-air screen capture of BBC Test Card F, as seen on BBC1 between 17 February 1991 and 4 October 1997. Test Card F is a test card that was created by the BBC and used on television in the United Kingdom and in countries elsewhere in the world for more than four decades.