A transversal filter subjects a reproduced signal to partial-response waveform equalization responsive to tap coefficients to generate an equalization-resultant signal. There is generated 0-point information representing whether or not the reproduced signal corresponds to a zero-cross point. A temporary decision device calculates a temporary decision value of the equalization-resultant signal on the basis of a PR mode signal, an RLL mode signal, at least four successive samples of the 0-point in...

A reproducing apparatus, in which a reproduced information signal is equalized by an equalizer, includes a detecting circuit for detecting a digital signal from the reproduced information signal, and a controller for controlling an equalizing characteristic of the equalizer according to the reproduced information signal to be inputted to the detecting circuit and a detection result of the detecting circuit.

A reproducing apparatus includes a reproducing section picking up any signals compressed in a plurality of different compression methods from a recording medium. The recording medium records the signals compressed in a plurality of different compression methods and record management information denoting association of the signals compressed in a plurality of different compression methods with each other, respectively. A decoding section decodes the signal picked up from said recording medium, an...

A reproducing apparatus includes a reading unit configured to generate a reproduced signal containing information data recorded in a track using a reflected light of an optical beam, a clock generation unit configured to generate a clock having a frequency associated with a wobbling cycle of the track, and a control unit configured to detect a phase difference between the reproduced signal and the clock, and to control the clock generation unit using the phase difference detection result.

A structure for detecting a phase error for causing a PLL of an information reproducing apparatus to be locked and for selecting Viterbi determination mode, MSB determination mode (for obtaining a phase error detection timing corresponding to MSB of output data of an A/D converter disposed on the preceding stage of a Viterbi decoder) is disclosed. One of the three modes is selected corresponding to the state of the PLL. A Viterbi timing generating circuit, an MSB timing generating circuit, and a...

A reproducing apparatus which reproduces speech sounds at a speed faster than a normal reproduction speed. The outputting operation may be performed, making it easier to hear speech sounds when the video searching operation is performed through hearing of the speech sounds in the VTR or the like. The reproduction is adapted to be performed by the other head which is different in azimuth angle during the normal reproduction operation from the double azimuth heads during a given frame reproduction...

A reproducing apparatus capable of reproducing the data to be reproduced correctly by judging the lead-in region of first session on a multi-session disc. The reproducing apparatus reproduces a multi-session disc composed of a plurality of sessions, each comprising a lead-in region recording index information including the information of reproduction start time measured from the disc innermost peripheral position, program region recording program tracks storing contents to be reproduced, and lea...

An apparatus reproduces an information signal modulating a carrier signal recorded on a magnetic tape. A portion of the signal being boosted in accordance with a characteristic of the information signal. The apparatus comprises a playback device for reproducing the information signal from the magnetic tape, a detector for detecting the levels of the portion of the signal and the rest of the signal respectively and comparing the levels with each other, and a judging circuit for judging the charac...

For a plurality of digital video signals whose frame frequencies are different, a pixel number converting circuit to convert the number of pixels is provided so that differences of the frame frequencies are replaced to differences of the numbers of pixels and a plurality of digital video signals whose frame frequencies are different can be processed by a common clock frequency. The frame frequency is detected by a frame frequency value decoder and the number of pixels in the horizontal direction...

A reproducing apparatus according to the present invention includes a thinning-out unit for thinning out part of a plurality of continuous audio digital data, and a conversion unit for simply increasing or decreasing variations in the amplitude of either continuous plural data including the data immediately preceding the thinned data or continuous plural data including the data immediately following the thinned data so that the data immediately preceding the thinned data will be concatenated wit...