Cue control apparatus

Cue address generating means for use in signal editing apparatus of the type operative to transfer signals from a playback medium to a record medium, said cue address generating means generating a cue address representing the position of a respective record medium to be accessed by signal recording/playback means, and comprising a plurality of display registers for displaying position data representing relative positions of said playback and record media, said display registers including a play IN register for displaying play IN position data representing the play IN position of said playback medium at which signals are transferred therefrom, a record IN register for displaying record IN position data representing the record IN position of said record medium at which signals are transferred thereto, a play OUT register for displaying play OUT position data representing the play OUT position of said playback medium at which the transfer of signals therefrom is intended to cease, a record OUT register for displaying record OUT position data representing the record OUT position of said record medium at which the transfer of signals thereto is intended to cease, and at least one additional register for displaying position data representing a selected position of said playback or record medium;

• means for supplying position data to be displayed by respective ones of said registers;
• a plurality of register selector means associated with respective ones of said display registers, each being selectively operative to select its associated display register;
• play cue selector means operative to generate a cue address representing a selected position of said playback medium;
• record cue selector means operative to generate a cue address representing a selected position of said record medium;
• and control means responsive to the operation of both a register selector means and a cue selector means to determine the difference between the position data displayed in the display register selected by said operated register selector means and the position data displayed in one of said play IN, record IN, play OUT and record OUT registers, the identity of said one register being determined as a function of whether the position data displayed in said selected display register represents a relative position of the playback or record medium, said control means mathematically combining said difference with the position data displayed in one of said play IN and play OUT registers when said play cue selector means is operated, or with the position data displayed in one of said record IN and record OUT registers when said record cue selector means is operated, to produce said cue address.

Video editing apparatus for controlling playback and record video tape recorders (VTR's) to transfer signals from a video playback tape to a video record tape, said playback and record tapes being movably positioned by the respective VTR's and having position signals recorded thereon, said apparatus comprising a console having a plurality of display registers for displaying position data derived from the position signals recorded on said respective tapes and representing relative positions of said tapes, said display registers including play IN and play OUT registers for displaying position data representing edit-in and edit-out points, respectively, on said playback tape, record IN and record OUT registers for displaying position data representing edit-in and edit-out points, respectively, on said record tape, and at least one additional register for selectively displaying position data representing a relative position of said playback or record tape, a plurality of register selector switches associated with and adjacent corresponding ones of said display registers, each register selector switch being selectively operative to select its associated display register, and playback and record cue switches selectively operative to initiate a cue operation whereby a respective one of said playback and record tapes is moved to a selected position;

• central processing means responsive to the operation of both a register selector switch and a cue switch to produce a cue address which, depending upon whether the said playback or record cue switch is operated, differs from the position data displayed in said play IN or record IN register, respectively, by the same amount that the position data displayed in said display register selected by the operated register selector switch differs either from the position data displayed in said play IN register, when said position data displayed in said selected display register is derived from said playback tape, or from the position data displayed in said record IN register, when said position data displayed in said selected display register is derived from said record tape, said central processing means including means for causing said playback or record VTR to move said playback or record tape, respectively, to a position corresponding to said cue address in accordance with the particular cue switch which is operated;
• and means for communicating between said console and said central processing means.

Cue address generating means for use in signal editing apparatus of the type wherein signals recorded on a playback tape are transferred to a record tape when preselected positions of said tapes are reached, said cue address generating means generating a cue address representing the position of a respective recording tape adapted to be accessed by signal recording/playback means, and comprising a plurality of playback registers for storing position data representing relative positions of said playback tape;

• a plurality of record registers for storing position data representing the relative positions of said record tape;
• a plurality of playback and record register selector means associated with respective ones of said registers, each register selector means being operative to select its associated register;
• playback cue selector means and record cue selector means, each being operative to initiate a cue address generating operation;
• and control means responsive to the selected operation of both a playback register selector means and a record cue selector means or of both a record register selector means and a playback cue selector means to generate a record cue address or a playback cue address, respectively, the generated cue address representing the same relative position along the record or playback tape, respectively, as would have been obtained if both a playback register selector means and a playback cue selector means or both a record register selector means and a record cue selector means, respectively, had been operated.

A method of controlling video editing apparatus of the type used with playback and record video tape recorders (VTR's) for transferring signals from a video playback tape to a video record tape, said playback and record tapes being movably positioned by the respective VTR's and having position signals recorded thereon, said apparatus having a console including a plurality of display registers for displaying position data derived from the position signals recorded on said respective tapes and representing relative positions of said tapes, said display registers including play IN and play OUT registers for displaying position data representing edit-in and edit-out points, respectively, on said playback tape, record IN and record OUT registers for displaying position data representing edit-in and edit-out points, respectively, on said record tape, and at least one additional register for selectively displaying position data representing a relative position of said playback or record tape, a plurality of register selector switches associated with and adjacent corresponding ones of said display registers, each register selector switch being selectively operative to select its associated display register, and playback and record cue switches, said method comprising the steps of operating a desired register selector switch;

• operating a desired one of said cue switches;
• producing a cue address in response to the operated register selector and cue switches, which cue address, depending upon which of said playback and record cue switches is operated, differs from the position data displayed in said play IN or record IN register, respectively, by the same amount that the position data displayed in said display register selected by the operated register selector switch differs either from the position data displayed in said play IN register, when said position data displayed in said selected display register is derived from said playback tape, or from the position data displayed in said record IN register when said position data displayed in said selected display register is derived from said record tape;
• and causing said playback or record VTR to move said playback or record tape, respectively, to a position corresponding to said cue address in accordance with the particular cue switch which is operated.

A method of generating a cue address representing the position of a respective one of first and second record media adapted to be accessed by signal recording/playback means, comprising the steps of storing and displaying position data representing relative positions of at least one of said first and second media;

• selecting the position data representing a desired position of one of said media;
• initiating a cue address generating operation for a desired one of said media;
• retrieving first stored position data representing a first relative position of one of said media;
• producing a difference signal representing the difference between the selected position data and the first stored position data;
• retrieving second stored position data representing a predetermined relative position of said desired one of said media;
• and mathematically combining said difference signal with the second stored position data to produce said cue address.