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7620294 |
Systems and methods for playing digital video in reverse and fast forward modes
Replaying a compressed digital video stream in fast-forward and reverse modes at varied playback rates. An index of intercoded frames, those frames not dependant on other frames for generation, is...
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7570867 |
Systems and methods for playing digital video in reverse and fast forward modes
Replaying a compressed digital video stream in fast-forward and reverse modes at varied playback rates. An index of intercoded frames, those frames not dependant on other frames for generation, is...
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7466897 |
Indicator device for receiver apparatus with data memory
Electrical apparatus for processing received digital data into audio and/or video formats for listening via speakers and/or viewing via a display screen connected to the apparatus. The apparatus...
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7366402 |
Method and apparatus of recording a high definition digital television broadcast signal
The present invention relates to a method and apparatus of recording a directly-received digital television broadcast signal. This method demodulates a received high definition digital television...
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7231138 |
Method and system for DVD single frame stepping backwards
Aspects of performing single frame backwards playback in a DVD system are described. The aspects include receiving a signal indicating selection of a single frame reverse function. Frame data for a...
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7224884 |
Design method for a video signal processing integrated circuit and integrated circuit and video signal processing apparatus thereby
A video signal processing apparatus and a design method therefor are provided, and more particularly, a design method for a video signal processing integrated circuit (IC), in which to solve the...
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7187840 |
Reproducing arrangement having an overview reproducing mode
A reproducing arrangement for reproducing scenes of a stored film in an overview reproducing mode of the reproducing arrangement, has random access memory means for the storage of audio/video data...
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7085474 |
Watermark detecting apparatus
An information detecting apparatus which can surely detect specific information such as a digital watermark in high-speed data stream and can be configured at low cost. The apparatus extracts data...
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6956869 |
Data recording and/or reproducing apparatus, method, and system and recording medium
A data recording and/or reproducing apparatus and method in which, during a recording operation, the maximum bit rate of a transport stream may be detected and along with the transport stream...
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6925340 |
Sound reproduction method and sound reproduction apparatus
An apparatus and method for recording and reproducing a sound (i.e. audio) signal corresponding to a video signal at a higher than normal speed. The method delimits a sound signal reproduced at a...
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6871001 |
Video decoder
An MPEG video decoder 1 decodes a MPEG video stream using a discrete cosine transform together with a motion compensated prediction performing backward prediction and forward prediction. A frame...
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6804450 |
Method and apparatus for reverse playback of a digital data
The invention proposes a method for reverse playback of a digital data stream representing video information. The information is stored in an Intra picture coded format followed by several...
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6721492 |
Signal processing apparatus and method, recording apparatus, playback apparatus, recording and playback apparatus, and stream processing apparatus and method
In order to obtain a high-quality image when an encoded stream which is encoded using MPEG is played back at variable speed, a stream conversion apparatus is provided which converts an arrangement...
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6480664 |
Trick mode VTR which generates trick play data from a stream of images containing intra-pictures and predictive pictures and selects specific DCT coefficients for intra-pictures
Tape formatting, tracking and trick mode data generation are disclosed for providing trick modes for compressed video stored on a video tape. The tape is formatted so that trick mode data is...
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6185359 |
System for the multi-speed reproduction of recorded color television signals and for the correction of color sequence errors in reproduced color television signals
In a system (1) including a reproducing device (2) for reproducing color television signals recorded on a record carrier (7) in adjacent track portions in at least one normal reproducing mode and...
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6078720 |
Apparatus for copying a signal recorded on a video recording medium without demodulation
An apparatus for picking up a video signal recorded on a recording medium and copying a frequency modulated signal without demodulation. In the apparatus, a high-pass filter separates a...
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5946037 |
Method and apparatus for reordering frames in MPEG coder/decoder
A method and an apparatus for reordering frames in MPEG coder/decoder, in which input image frames of a displaying order are transformed to a transmitting order, and conversely, transmitted order...
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5946442 |
High-speed video tape copier
A video tape copier, particularly a high-speed video tape copier for rapidly copying a video signal from a video tape onto another video tape. The high-speed video tape copier plays back a video...
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5912780 |
Magnetic recording and reproducing apparatus
A magnetic recording and reproducing apparatus has a rotary magnetic head mechanism having at least a first rotary magnetic head with a magnetic gap set to a azimuth angle less than 90 degrees in a...
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5692092 |
Recording and playback system for variable speed playback wherein more a.c. coefficients are allotted to the macroblocks in the central part of an image frame
A digital VTR which is able to record a band-compressed signal having a bit-rate of 17 to 60 Mbps of a program while creating a low-bit-rate signal (1.5 to 5 Mbps) having the same program content...
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5532829 |
Automatic color control circuit having a control signal storing capacitor
A control circuit includes: a capacitor for normal reproduction which stores an output of a reproduction color burst level detection for automatic color signal level control in a color signal...
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5260800 |
Apparatus and method for high-speed video tape duplication from master disk
A laser video disk master is operated at 2× speed for duplicating video information to be recorded in VHS format. Two last disk video players are modified to operate in synchronism in order to...
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5233433 |
Recording digital VCR and a reproducing digital VCR for recording and reproducing a digital PAL signal
A recording digital VCR for recording digital PAL signals sampled at four times the chrominance subcarrier frequency, includes: a selection range shifter for shifting a sample in the horizontal...
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5218447 |
Method and apparatus for identifying the reproduction mode of a video tape recorder
A reproduction mode identification circuit (1) is responsive to a horizontal synchronizing signal and a color rotary pulse for identifying whether the reproduction state of a double azimuth 4 head...
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5179450 |
Video signal processing apparatus and method for the time base compensation
A video signal processing apparatus and method are provided in which time base errors in the luminance and color signals of a video signal reproduced from a recording medium are compensated. Time...
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5063437 |
Method and apparatus for processing a color video signal
This invention relates to a method and apparatus for processing a color video signal. The processing method separates an input composite color video signal into a luminance signal and chrominance...
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4905099 |
Intermediate picture field storage system for variable speed magnetic tape video data read-out
Four picture field memories which contain storage places for luminance data, chrominance data, error flags and write flags are switchable from write in to read out by changeover switches controlled...
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4791499 |
Method and apparatus for reproduction of video signals from magnetic tape at a tape transport speed differing from that of recording
In a magnetic tape machine which can be played to reproduce television pictures at speeds different from the recording speed, in connection with which the video signals are stored in a picture...
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4672469 |
Delay time adjusting system for video signal reproducing apparatus having heads scanning across multiple tracks
A delay time adjusting system comprises a comparing circuit for comparing levels of reproduced frequency modulated signals from a pair of rotary heads which simultaneously scan over a magnetic...
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4635134 |
Video signal processing apparatus for processing video signals at the time of a special reproduction mode
A video signal processing apparatus for processing a video signal at the time of a special reproduction mode comprises an A/D converter for converting a reproduced video signal obtained by...
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4504869 |
Color moviola for two-track VTR
When in the high or low speed editing or "moviola" mode, a VTR switches the inputs of Y and C demodulators between the Y and C heads or switches the demodulator outputs as the heads cross tracks....
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4459620 |
Color video signal reproducing apparatus
A color video signal reproducing apparatus, such as a VTR, is capable of being operated in a normal speed reproduction mode, as well as in non-normal modes such as stop motion, slow motion, and...
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4361849 |
Video disc vari-speed playback system
A video disc player has two fields of buffer storage for implementing special effects. Video signal recovered from a disc record is directed into respective ones of the buffer stores for subsequent...
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4355324 |
Sampled or digitized color in a high speed search record and replay system
Moviola color picture quality is improved for a record and replay system wherein video sampled at a predetermined multiple of the color subcarrier frequency is recorded with each frame or field...
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4346397 |
Apparatus for reproducing a video signal of one system with conversion to a video signal of another system
A reproducing apparatus reproduces a video signal of a certain system having a field frequency F1 and a number N1 of horizontal scanning lines within one field period which has been recorded on a...
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4290081 |
Method and apparatus for stop frame reproduction in television picture fields each recorded on tape in a plurality of adjacent tracks
Successive picture fields in normal operation are successively written into a one-field memory and displayed by nondestructive read-out. A stop order stops the tape while the last recorded picture...
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4283737 |
Video signal reproducing apparatus with circuit avoiding skew distortion when operated at abnormal speed and/or direction
In an apparatus for reproducing video signals recorded in successive, obliquely extending parallel tracks on a record tape with the horizontal synchronizing pulses of video signals recorded in...
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4215362 |
Track selection method and apparatus
In an apparatus for automatically maintaining a transducing head assembly on the proper track, which is particularly adapted for a helical scan recording and/or reproducing apparatus capable of...
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4131912 |
Apparatus for recording and reproducing video signals on a magnetic tape movable at different speeds
In apparatus for recording and reproducing video signals in successive parallel tracks on a magnetic tape by means of magnetic heads or transducers repeatedly traversing the tape at a steady rate...
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3761604 |
RECORDING AND REPRODUCING SYSTEM IN A ROTARY MAGNETIC MEDIUM RECORDING AND REPRODUCING APPARATUS
A recording system comprises means for producing a frame pulse and a color frame pulse from an input NTSC system video signal. Track indication pulses consist of a feed pulse and a two bit feed...
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