High-definition picture signal recording/reproducing apparatus for recording and reproducing a high-definition picture signal controlled its amplitude level

A high-definition picture signal reproducing apparatus, comprising:

• composite signal reproducing means for reproducing a composite signal from a recording medium, the composite signal being composed of a recording picture signal obtained by deleting line signals of an input high-definition picture signal allocated to peripheral horizontal scanning lines placed at upper and lower peripheral portions of an image plane and a recording level reference signal indicating an amplitude level of the recording picture signal;
• output level reference signal generating means for generating an output level reference signal according to the recording level reference signal included in the composite signal reproduced from the composite signal reproducing means;
• output high-definition picture signal generating means for generating an output high-definition picture signal by interposing the output level reference signal generated from the output level reference signal generating means in the recording picture signal of the composite signal reproduced from the composite signal reproducing means, the output level reference signal being added to a particular horizontal scanning line of the output high-definition picture signal, and the output level reference signal indicating an amplitude level of the output high-definition picture signal;
• and
• output means for outputting the output high-definition picture signal.

A high-definition picture signal recording/reproducing apparatus for recording an input high-definition picture signal in which an input level standard signal indicating an amplitude level of the input high-definition picture signal is added to a particular horizontal scanning line and reproducing an output high-definition picture signal, comprising:

• level correcting means for correcting the amplitude level of the input high-definition picture signal to a corrected level according to an input level reference signal of the input level standard signal added to the particular horizontal scanning line of the input high-definition picture signal;
• recording level reference signal generating means for generating a recording level reference signal according to the input level reference signal of the input level standard signal interposed in the input high-definition picture signal of which the amplitude level is corrected by the level correcting means;
• high-definition picture signal processing means for processing the input high-definition picture signal of which the amplitude level is corrected by the level correcting means by deleting line signals of the input high-definition picture signal allocated to peripheral horizontal scanning lines placed at upper and lower peripheral portions of an image plane and deleting the input level reference signal of the input level standard signal interposed in the input high-definition picture signal, a recording picture signal being generated from the high-definition picture signal processing means;
• composite signal generating means for interposing the recording level reference signal generated from the recording level reference signal generating means in the recording picture signal generated from the high-definition picture signal processing means to generate a composite signal, the recording level reference signal indicating an amplitude level of the recording picture signal;
• recording and reproducing means for recording the composite signal generated from the composite signal generating means on a recording medium and reproducing the composite signal from the recording medium;
• output level reference signal generating means for generating an output level reference signal according to the recording level reference signal included in the composite signal reproduced from the recording and reproducing means;
• output high-definition picture signal generating means for generating an output high-definition picture signal by interposing the output level reference signal generated from the output level reference signal generating means in the recording picture signal of the composite signal reproduced from the composite signal reproducing means, the output level reference signal being added to a particular horizontal scanning line of the output high-definition picture signal, and the output level reference signal indicating an amplitude level of the output high-definition picture signal;
• and
• output means for outputting the output high-definition picture signal.

A high-definition picture signal recording apparatus for recording a high-definition picture signal in which an input level standard signal composed of an input level reference signal indicating an amplitude level of the high-definition picture signal and an input information signal indicating a piece of prescribed information;is added to a particular horizontal scanning line, comprising:

• level correcting means for correcting the amplitude level of the high-definition picture signal to a corrected level according to the input level reference signal of the input level standard signal added to the particular horizontal scanning line of the high-definition picture signal;
• recording level reference signal generating means for generating a recording level reference signal according to the input level reference signal of the input level standard signal interposed in the high-definition picture signal of which the amplitude level is corrected by the level correcting means;
• high-definition picture signal processing means for processing the high-definition picture signal of which the amplitude level is corrected by the level correcting means by deleting line signals of the high-definition picture signal allocated to peripheral horizontal scanning lines placed at upper and lower peripheral portions of an image plane and deleting the input level reference signal of the input level standard signal interposed in the high-definition picture signal, a recording picture signal being generated from the high-definition picture signal processing means;
• recording information signal generating means for replacing the piece of prescribed information obtained by decoding the input information signal of the input level standard signal interposed in the high-definition picture signal of which the amplitude level is corrected by the level correcting means with a piece of new information and generating a recording information signal by encoding the new information;
• composite signal generating means for interposing the recording level reference signal generated from the recording level reference signal generating means and the recording information signal generated from the recording information signal generating means in the recording picture signal generated from the high-definition picture signal processing means to generate a composite signal;
• and recording means for recording the composite signal generated from the composite signal generating means on a recording medium.

A high-definition picture signal reproducing apparatus, comprising:

• composite signal reproducing means for reproducing a composite signal from a recording medium, the composite signal being composed of a recording picture signal obtained by deleting line signals of an input high-definition picture signal allocated to peripheral horizontal scanning lines placed at upper and lower peripheral portions of an image plane, a recording level reference signal indicating an amplitude level of the recording picture signal and a recording information signal indicating a prescribed information;
• output level reference signal generating means for generating an output level reference signal according to the recording level reference signal included in the composite signal reproduced from the composite signal reproducing means;
• output information signal generating means for replacing the prescribed information obtained by decoding the recording information signal of the composite signal reproduced from the composite signal reproducing means with a piece of new information and generating an output information signal by encoding the new information;
• output high-definition picture signal generating means for generating an output high-definition picture signal by interposing an output level standard signal composed of the output level reference signal generated from the output level reference signal generating means and the output information signal generated from the output information signal generating means in the recording picture signal of the composite signal reproduced from the composite signal reproducing means, the output level standard signal being added to a particular horizontal scanning line of the output high-definition picture signal, and the output level reference signal indicating an amplitude level of the output high-definition picture signal;
• and
• output means for outputting, the output high-definition picture signal.

A high-definition picture signal recording/reproducing apparatus for recording an input high-definition picture signal in which an input level standard signal composed of an input level reference signal indicating an amplitude level of the input high-definition picture signal and an input information signal indicating a piece of prescribed information is added to a particular horizontal scanning line and reproducing an output high-definition picture signal, comprising:

• level correcting means for correcting the amplitude level of the input high-definition picture signal to a corrected level according to the input level reference signal of the input level standard signal added to the particular horizontal scanning line of the input high-definition picture signal;
• recording level reference signal generating means for generating a recording level reference signal according to the input level reference signal of the input level standard signal interposed in the input high-definition picture signal of which the amplitude level is corrected by the level correcting means;
• high-definition picture signal processing means for processing the input high-definition picture signal of which the amplitude level is corrected by the level correcting means by deleting line signals of the input high-definition picture signal allocated to peripheral horizontal scanning lines placed at upper and lower peripheral portions of an image plane and deleting the input level reference signal of the input level standard signal interposed in the input high-definition picture signal, a recording picture signal being generated from the high-definition picture signal processing means;
• recording information signal generating means for replacing the piece of prescribed information obtained by decoding the input information signal of the input level standard signal interposed in the input high-definition picture signal of which the amplitude level is corrected by the level correcting means with a piece of first replaced information and generating a recording information signal by encoding the first replaced information;
• composite signal generating means for interposing the recording level reference signal generated from the recording level reference signal generating means and the recording information signal generated from the recording information signal generating means in the recording picture signal generated from the high-definition picture signal processing means to generate a composite signal;
• recording and reproducing meads for recording the composite signal generated from the composite signal generating means on a recording medium and reproducing the composite signal from the recording medium;
• output level reference signal generating means for generating an output level reference signal according to the recording level reference signal included in the composite signal reproduced from the recording and reproducing means;
• output information signal generating means for replacing the the first replaced information obtained by decoding the recording information signal of the composite signal reproduced from the recording and reproducing means with a piece of second replaced information and generating an output information signal by encoding the second replaced information;
• output high-definition picture:signal generating means for generating an output high-definition picture signal by interposing an output level standard signal composed of the output level reference signal generated from the output level reference signal generating means and the output information signal generated from the output information signal generating means in the recording picture signal of the composite signal reproduced from the composite signal reproducing means, the output level standard signal being added to a particular horizontal scanning line of the output high-definition picture signal, and the output level reference signal indicating an amplitude level of the output high-definition picture signal;
• and
• output means for outputting the output high-definition picture signal.