Abstract: The present invention prevents a damage concentration caused by a data erase/write-in to a particular cell, so as to increase a service life of a flash memory. A CPU 17 determines whether a data which has been read out is a new one or a data having a reverse flag set (steps S1 and S2. If the reverse flag is not set, a reverse flag is set (step S3), so as to reverse the bit of the data when writing the data into a flash memory (steps S4 and S6). If a reverse flag is set, the reverse flag is reset (step S5) and the data is written into the flash memory (step S6).

Abstract: A phase adjusting circuit including an input level adjuster using two detection signals having different phases and adjusting an amplitude of at least one detection signal to a predetermined level and a signal processor for signal processing including at least one of addition and subtraction on the two detection signals after level adjustment to generate a pair of output signals having a phase difference of 90 degrees or a single output signal having a phase difference of 90 degrees with respect to one of the detection signals, and a position measuring apparatus including an output level adjuster, a scaling signal generator, a detector, an A/D converter, and a memory in addition, wherein the position measuring apparatus cancels a phase error so that a signal having a phase difference of 90 degrees can be obtained.

Abstract: A device and method for processing image data, a transmitting medium, and a recording medium are disclosed. More particularly, in image data processing by which accompanying information is embedded as a watermark into coded image data, a position in a block as a unit of coding the coded image data is detected, a blocked watermark pattern is provided, an area in which an operation relative to a first level value is performed and an area in which an operation relative to a second level value is performed are offered, and a watermark is appended to the coded image data in accordance with the blocked watermark pattern. It is thus possible to easily append a watermark that can be certainly detected.

Abstract: An apparatus for receiving image information is provided, having a plurality of imaging devices following an object with a simple mechanism and providing realistic three-dimensional image display with less fatigue of a viewer. A controller specifies an object of imaging based on images captured by first and second cameras and controls a pan-and-tilt to allow a field of view of the first camera to track the object. The controller performs pattern matching using the images captured by the two cameras and controls another pan-and-tilt to allow a field of view of the second camera to follow the object of the first camera.

Abstract: As various objects, images, etc. are selectively enlarged or reduced in size on a screen using a zooming operation, at least three marks are displayed to provide a visual indication of the limits for zoom-in and zoom-out operations. The first and second marks indicate limits for enlarging and decreasing a picture, respectively, while the third mark indicates a position of the current screen display with respect to the displayed limits for the zoom-in and zoom-out operations.

Abstract: An optical recording medium according to the present invention includes a data recording area forming a double spiral structured track having spiral recording tracks each formed of a groove and a land adjacent to the groove, and a reproduction only area forming a single spiral structured track consisting of a pit row.

Abstract: A recording method, a recording apparatus, a reproducing method and a reproducing apparatus for a recording medium such as an optical disk or the like are able to simultaneously record and simultaneously reproduce a plurality of independent information or to execute the recording and the reproduction thereof simultaneously with ease. The apparatus includes a plurality of buffers (7a, 7b) for respectively, individually and temporarily memorizing a plurality of independent recording data or reproducing data and a pickup (2) for recording the recording data memorized in the respective buffers (7a, 7b) on respective different recording areas in a time-division manner and reproducing data recorded on the respective different recording areas in a time-division manner.

Abstract: An input image signal is converted into a digital form in an A/D converter 6 by clock pulses 53 from VCO 4 of a PLL circuit 1. The frequency of the clock pulses 53 is fixed. After the number of scanning lines is converted in a primary processing circuit 7, the digital image signal is written in field memory 10. The image signal is read out from the field memory 10 by second clock pulses 63 generated in a PLL circuit 11. A frequency divider 15 in the PLL circuit 11 is changed in frequency division ratio by a control signal. As a result, the sampling number in one horizontal period of the image signal read out from the field memory 10 is changed. Since the number of pixels in the effective image period of the image signal written in the memory is constant, by changing the sampling number in one horizontal period on the read-out side, the ratio of the effective image period relative to one horizontal period can be changed to adjust the horizontal size.

Abstract: In a video tape recorder for recording a video signal having a first field frequency and a video signal a second field frequency, substantial centers 11a of lengths of recording tracks, on a magnetic tape 7, for the video signals having the first and second field frequencies are recorded thereon at the same position.

Abstract: A method and an apparatus for verifying a multiplexing schedule of digital signals and an apparatus for multiplexing the digital signals are provided. The verifying method includes the processes of extracting access unit information about each decoding unit from each elementary stream of the digital signal, determining schedule information about time division of each elementary stream, based on the access unit information, and verifying whether or not the multiplexing schedule for generating the multiplexed stream is valid, based on the access unit information and the schedule information.

Abstract: By reducing the number of seek operations in an operation to play back a signal from a recording medium, the amount of data temporarily stored in a read buffer memory employed in a signal recording/playback apparatus is large enough to be output as a playback signal during a seek operation, allowing a continuous playback operation to be carried out. In order to reduce the number of seek operations, a signal is always recorded onto the recording medium in continuous free areas each having a size equal to or larger than a predetermined recording/playback time length which is typically set at 1 minute. If it is necessary to insert an additional signal having a length smaller than the predetermined recording/playback time length into a point of insertion in an area already occupied by an existing signal, a continuous free area with a size equal to or larger than the predetermined recording/playback time length is newly allocated to the additional signal.

Abstract: A picture data processor, a picture data decoder and a picture data encoder, and methods thereof, are capable of surely decoding and reencoding inputted coded data without delaying. Coded data D1 in order of encoding which is generated by encoding original picture data in order of display, for each prescribed data unit by a prescribed coding type I, P or B and in order of prescribed encoding, is decoded in order of this encoding. The decoded picture data D110 is outputted in order of decoding to be reencoded in order of decoding. And the reencoded data is outputted in order of encoding. Thereby, the inputted coded data D1 can be surely decoded and reencoded without delaying.

Abstract: A storage medium unit for recording of storing data, wherein the data are divided in a predetermined number of data groups, wherein the first portion of the data groups are memorized on every N (N=1, 2, 3, . . . ) track of a recording medium and the remaining portions of the data groups are memorized on remaining tracks of the recording medium.

Abstract: The contents authoring unit classifies a program information into any one of the “information effective only in viewing”, the information effective only in recording/reproducing, and the “information effective in viewing and recording/reproducing”, and describes it on the basis of the classification. The contents controller of the receiving unit processes to classify the program information contained in the service information. The VCR control unit controls a VCR. Thereby, the invention utilizes the program information.

Abstract: The invention provides a technique of making color correction by means of a simple operation so that the color difference among imaging apparatus is minimized for a particular color specified by a user. In the color correction operation, an MPU provided in a camera displays a marker on a viewfinder. A user controls a user interface so as to put the marker on a desired color of a color chart thereby selecting a color to be weighted. The MPU inputs data obtained by measuring the color chart via the camera and also inputs color reference data obtained by measuring the same color chart under the same conditions via another camera serving as a reference camera. The MPU determines the coefficients of a linear matrix circuit for making color correction by means of a calculation with a weight specified by the user. The resultant coefficients are set in the linear matrix circuit.

Abstract: A tracking control method and apparatus wherein an offset generated in the push-pull signals is removed to realize correct tracking. In an address area AR1, a pit-shaped groove GR1 is formed between a wobbling groove GR and a groove header GRH on a line of extension of the wobbling land. That is, the groove GR1 is surrounded by two neighboring lands. On the other hand, a land X of the address area AR1 lying on a line of extension of the groove GR and on a sector boundary is surrounded by two neighboring pit-shaped grooves GR1.

Abstract: A reproduction control data generating apparatus for generating reproduction control data containing control commands indicating a method of reproduction of audio and/or video data and menu screen data indicating a menu screen used for designation of a control command at the time of reproduction of the audio and/or video data, comprising an input operation screen displaying means for displaying an input operation screen used for the input operation of a control command and the menu screen data, a control command generating means for generating a control command in accordance with an operation with respect to the displayed input operation screen, a menu screen data generating means for generating menu screen data in accordance with an operation with respect to the displayed input operation screen, and a reproduction control data generating means for generating reproduction control data based on the generated control command and the menu screen data.

Abstract: A position detecting section 20 detects visual point position of operator on the basis of output of a bisected light detector 2 in an eyeball movement measurement element. A position processing section 21 determines central position of a visual point position vicinity area on the basis of information from the position detecting section 20, and a size processing section 23 determines size of the visual point position vicinity area on the basis of output of a size adjust lever 18. A video signal 10 is encoded by a compressing section 11 and is inputted to a code quantity reduction section 13. A system control section 30 controls the code quantity reduction section 13 so that code quantity allocated to the area except for the visual point position vicinity area is smaller than code quantity allocated to the visual point position vicinity area to allow it to carry out reduction of code quantity.

Abstract: A reproduction control data generating apparatus for generating reproduction control data containing control commands indicating a method of reproduction of audio and/or video data and menu screen data indicating a menu screen used for designation of a control command at the time of reproduction of the audio and/or video data, comprising an input operation screen displaying means for displaying an input operation screen used for the input operation of a control command and the menu screen data, a control command generating means for generating a control command in accordance with an operation with respect to the displayed input operation screen, a menu screen data generating means for generating menu screen data in accordance with an operation with respect to the displayed input operation screen, and a reproduction control data generating means for generating reproduction control data based on the generated control command and the menu screen data.

Abstract: Plural n number of encoders 21, 22 . . . 2n carry out reading in advance of parameter information PAR. #1, #2 . . . #n with respect to respective n number of programs prog. 1, 2 . . . n to allow a controller 3 to estimate encoding difficulty related information “difficulty” when picture is encoded, and to compression-encode the plural n number of programs on the basis of target encoding rate that the controller 3 has calculated on the basis of the parameter information. The controller 3 calculates allocation code quantities target_rate #1, #2 . . . #n every respective programs from the parameter information PAR. #1, #2 . . . #n. A multiplexer 4 multiplexes streams “stream” #1, #2 . . . #n that the encoders 21, 22 . . . 2n have encoded in correspondence with the allocation code quantities targer_rate #1, #2 . . . #n.