Chroma Key is the name under which ex-Dream TheaterkeyboardistKevin Moore records. Although primarily a Kevin Moore solo project, several musicians have recorded as part of Chroma Key with Kevin, such as bassist Joey Vera, drummer Mark Zonder, and guitaristJason Anderson. Dream Theater: (left to right) John Petrucci, Mike Portnoy, James LaBrie, Jordan Rudess and John Myung Dream Theater is an American progressive metal band formed by three students at the Berklee College of Music in the mid-1980s. ... The musical keyboard, also known as the piano keyboard is the set of adjacent depressible levers on a musical instrument which produce notes. ... Kevin Moore is a keyboardist most often identified as a founding member of the progressive metal band Dream Theater. ... There are a range of musical instruments that can be collectively be regarded as bass instruments. ... For other kinds of drums, see drum (disambiguation). ... The classical guitar typically has 3 nylon and 3 nickel-wound strings. ... Jason Anderson is a musician from New Hampshire, USA, that also records as Wolf Colonel. He is currently signed with K Records. ...
To date there has been three Chroma Key releases: Dead Air For Radios, You Go Now, and Graveyard Mountain Home.
Also, Kevin Moore released a sound-track to a motion picture entitled Ghost Book
A chromakey is the removal of a color (or small color range) from one image to reveal another "behind" it.
When the phase of the chroma signal corresponds to the preprogrammed state or states associated with the background color(s) behind the principal subject, the signal from the alternate background is inserted in the composite signal and presented at the output.
When the phase of the chroma signal deviates from that associated with the background color(s) behind the principal subject, video associated with the principal subject is presented at the output.
A wideband chromakey switching signal is generated from lower bandwidth chrominance signals in a video signal by first conventionally generating a chromakey switching signal from these chrominance signals, and then detecting high frequency transition components in the corresponding luminance signal.
The function of the chromakey apparatus is to detect those portions of the foreground video signal which are highly saturated in the keying color and then, by means of an electronic switch, to replace such portions with corresponding portions of the background scene.
Transitions in the key signal are used to provide means for grating, through a first switch, those high frequency components of the corresponding luminance signal that occur during such transition periods, and means for inverting the slope of any such high frequency components that are of opposite polarity to the slope of the corresponding transition.
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