Abstract: An information processing apparatus for decoding compression-coded video data, including: at least one decoder that decodes the compression-coded video data; and a controller than controls processing executed by the decoder, wherein the controller, when a picture at a head of a decoding processing unit is an I-picture or a P-picture among decoded pictures output from the decoder, controls the decoder so that a decode start timing at which the decoder starts decoding and a display output timing at which the decoder starts outputting the decoded pictures are displaced from each other by a first predetermined number of pictures.

Abstract: A reproduction apparatus successively decoding and reproducing a plurality of picture data forming reproduced data, comprising a reproduction memory, a decoder decoding the picture data, writing the decoding results in the reproduction memory, and reproducing and outputting the decoding results read from the reproduction memory, and a processing circuit for performing decoding scheduling for determining an order of making the decoder decode picture data belonging to a group of picture data in units of groups of picture data comprised of a predetermined plurality of the picture data, generating scheduling result data including decoding order data indicating the determined order and validity data indicating validity of the picture data, selecting the picture data to be processed in the order determined by the decoding scheduling based on the scheduling result data, and, conditional on the selected picture data being valid, making the decoder decode and reproduce and output the picture data and, when receiving a

Abstract: An information processing apparatus decodes compression-coded video data including I-pictures, P-pictures, and B-pictures. The information processing apparatus includes at least one decoder decoding the compression-coded video data, a supply controller controlling the supply of the compression-coded video data to the decoder, and a controller controlling processing executed by the supply controller and the decoder. The decoder includes a bank memory for storing decoded picture data, and the controller controls the timing at which a picture stored in the bank memory is released by changing the value of a first counter indicating a number of times for which the picture stored in the bank memory is referred to when a P-picture or a B-picture is decoded by the decoder.

Abstract: A data processing system comprising a computer outputting to a reproduction apparatus data required for reproduction of a reproduction point in the reproduced data when receiving as input a first command designating a reproduction point of reproduced data and outputting to the reproduction apparatus a reproduction start command of the reproduction point when receiving as input a second command indicating the start of reproduction of the reproduction point designated by the first command after receiving as input the first command and a reproduction apparatus decoding data of the reproduction point based on the data input from the computer, storing the decoding result in a reproduction memory, and, when receiving as input the reproduction start command from the computer, reading, reproducing, and outputting the decoding results of the reproduction point from the reproduction memory.

Abstract: An encoder in a data transmission/reception system has a byte interleaver for performing folding interleaving on encoded data ED in units of a byte and a packet interleaver for performing folding interleaving, in units of a packet, on byte interleave data BID generated by this byte interleaver. A decoder has a packet de-interleaver for performing folding de-interleaving, in units of a packet, on packet interleave data PID' and a byte de-interleaver for performing folding de-interleaving, in units of a byte, on byte interleave data BID' generated by this packet de-interleaver. It is thus possible to correct a significant burst error containing a packet loss even with an error correction code having a very small code length.

Abstract: An information processing apparatus for decoding compression-coded video data, including: at least one decoder that decodes the compression-coded video data; and a controller than controls processing executed by the decoder, wherein the controller, when a picture at a head of a decoding processing unit is an I-picture or a P-picture among decoded pictures output from the decoder, controls the decoder so that a decode start timing at which the decoder starts decoding and a display output timing at which the decoder starts outputting the decoded pictures are displaced from each other by a first predetermined number of pictures.

Abstract: A data processing apparatus for outputting a plurality of picture data forming reproduced data to a reproduction apparatus for reproduction, the data processing apparatus having a processing circuit for judging if the reproduction rate of the picture data by the reproduction apparatus is slower than a transfer rate for transferring the picture data to the reproduction apparatus and outputting all of the picture data forming the reproduced data to the reproduction apparatus when judging as a result of the judgment that the reproduction rate is slower than the transfer rate.

Abstract: A data processing apparatus outputting picture data to a reproduction apparatus reproducing a plurality of picture data in an order in accordance with a designated reproduction direction, the unit having a processing circuit outputting to the reproduction apparatus the picture data in an order in accordance with a reproduction direction designated in the reproduction apparatus and writing it into an input memory in the reproduction apparatus and, when reversing the reproduction direction designated at the reproduction apparatus, outputting the picture data to the reproduction apparatus conditional on the picture data to be used next in reproduction by the reproduction direction after reversal not being stored in the input memory.

Abstract: An information processing apparatus for decoding compression-coded video data includes at least one decoder decoding the compression-coded video data, a supply controller controlling the supply of the compression-coded video data to the decoder, and a controller controlling processing executed by the supply controller and the decoder. The controller determines the order of decoding processing performed by the decoder so that, among pictures contained in a decoding processing unit for the decoding processing performed by the decoder, I-pictures and P-pictures are decoded before B-pictures. The controller selects pictures to be output from the decoder from among the pictures contained in the decoding processing unit on the basis of a playback speed instruction provided by a playback speed instruction unit.

Abstract: A reproduction apparatus for successively decoding and reproducing a plurality of picture data, comprising a reproduction memory and a decoder for successively decoding the plurality of picture data in an order in accordance with a designated reproduction direction, writing the decoding results in the reproduction memory, and reproducing and outputting the decoding results read from the reproduction memory, the decoder holding the storage of the decoding results in the reproduction memory even after the decoding results stored in the reproduction memory are no longer used when continuing reproduction in the designated reproduction direction and, when receiving as input a reversal command of the reproduction direction, performing the reproduction and output using the decoding results already stored in the reproduction memory before the input of the reversal command.

Abstract: An image processing apparatus for interpolating a pixel value of an interpolation pixel which makes an object of an interpolation process, includes a production section configured to produce, based on the position of the interpolation pixel, a pixel value group including the pixel value of the interpolation pixel and a plurality of pixel values of different pixels; a write control section configured to control a plurality of storage sections; a readout control section configured to control the storage sections so that the pixel values of the pixels included in the pixel value group are read out at a time from the storage sections in which the pixel values of the pixels included in the pixel value group are stored; and an interpolation section configured to interpolate the pixel value of the interpolation pixel using the pixel value group read out by the readout control section.

Abstract: An information processing apparatus decodes compression-coded video data including I-pictures, P-pictures, and B-pictures. The information processing apparatus includes at least one decoder decoding the compression-coded video data, a supply controller controlling the supply of the compression-coded video data to the decoder, and a controller controlling processing executed by the supply controller and the decoder. The decoder includes a bank memory for storing decoded picture data, and the controller controls the timing at which a picture stored in the bank memory is released by changing the value of a first counter indicating a number of times for which the picture stored in the bank memory is referred to when a P-picture or a B-picture is decoded by the decoder.

Abstract: A data processing system comprising a computer outputting to a reproduction apparatus data required for reproduction of a reproduction point in the reproduced data when receiving as input a first command designating a reproduction point of reproduced data and outputting to the reproduction apparatus a reproduction start command of the reproduction point when receiving as input a second command indicating the start of reproduction of the reproduction point designated by the first command after receiving as input the first command and a reproduction apparatus decoding data of the reproduction point based on the data input from the computer, storing the decoding result in a reproduction memory, and, when receiving as input the reproduction start command from the computer, reading, reproducing, and outputting the decoding results of the reproduction point from the reproduction memory.

Abstract: A data processing apparatus for outputting a plurality of picture data forming reproduced data to a reproduction apparatus for reproduction, the data processing apparatus having a processing circuit for judging if the reproduction rate of the picture data by the reproduction apparatus is slower than a transfer rate for transferring the picture data to the reproduction apparatus and outputting all of the picture data forming the reproduced data to the reproduction apparatus when judging as a result of the judgment that the reproduction rate is slower than the transfer rate.

Abstract: A reproduction apparatus successively decoding and reproducing a plurality of picture data forming reproduced data, comprising a reproduction memory, a decoder decoding the picture data, writing the decoding results in the reproduction memory, and reproducing and outputting the decoding results read from the reproduction memory, and a processing circuit for performing decoding scheduling for determining an order of making the decoder decode picture data belonging to a group of picture data in units of groups of picture data comprised of a predetermined plurality of the picture data, generating scheduling result data including decoding order data indicating the determined order and validity data indicating validity of the picture data, selecting the picture data to be processed in the order determined by the decoding scheduling based on the scheduling result data, and, conditional on the selected picture data being valid, making the decoder decode and reproduce and output the picture data and, when receiving a

Abstract: An information processing apparatus for decoding compression-coded video data includes at least one decoder decoding the compression-coded video data, a supply controller controlling the supply of the compression-coded video data to the decoder, and a controller controlling processing executed by the supply controller and the decoder. The controller determines the order of decoding processing performed by the decoder so that, among pictures contained in a decoding processing unit for the decoding processing performed by the decoder, I-pictures and P-pictures are decoded before B-pictures. The controller selects pictures to be output from the decoder from among the pictures contained in the decoding processing unit on the basis of a playback speed instruction provided by a playback speed instruction unit.

Abstract: A reproduction apparatus for successively decoding and reproducing a plurality of picture data, comprising a reproduction memory and a decoder for successively decoding the plurality of picture data in an order in accordance with a designated reproduction direction, writing the decoding results in the reproduction memory, and reproducing and outputting the decoding results read from the reproduction memory, the decoder holding the storage of the decoding results in the reproduction memory even after the decoding results stored in the reproduction memory are no longer used when continuing reproduction in the designated reproduction direction and, when receiving as input a reversal command of the reproduction direction, performing the reproduction and output using the decoding results already stored in the reproduction memory before the input of the reversal command.

Abstract: A data processing apparatus outputting picture data to a reproduction apparatus reproducing a plurality of picture data in an order in accordance with a designated reproduction direction, the unit having a processing circuit outputting to the reproduction apparatus the picture data in an order in accordance with a reproduction direction designated in the reproduction apparatus and writing it into an input memory in the reproduction apparatus and, when reversing the reproduction direction designated at the reproduction apparatus, outputting the picture data to the reproduction apparatus conditional on the picture data to be used next in reproduction by the reproduction direction after reversal not being stored in the input memory.

Abstract: A reproduction apparatus for decoding and reproducing a plurality of picture data forming reproduced data in order, comprising a reproduction memory, a decoder for decoding the picture data, writing decoding results in the reproduction memory, and reproducing and outputting the decoding results read from the reproduction memory, and a processing circuit for performing decoding scheduling for determining an order of decoding the picture data at the decoder in predetermined units of a plurality of the picture data, selecting the picture data to be processed in the order determined by the decoding scheduling, determining whether to decode the selected picture data or reproduce and output the decoding results in accordance with a designated reproduction rate, and controlling the decoding and the reproduction and output of the decoder based on the decision.

Abstract: An encoder 10 in a data transmission/reception system has a byte interleaver 12 for performing folding interleaving on encoded data ED in units of a byte and a packet interleaver 13 for performing folding interleaving, in units of a packet, on byte interleave data BID generated by this byte interleaver 12. A decoder 20 has a packet de-interleaver 24 for performing folding de-interleaving, in units of a packet, on packet interleave data PID? and a byte de-interleaver 25 for performing folding de-interleaving, in units of a byte, on byte interleave data BID? generated by this packet de-interleaver 24. It is thus possible to correct a significant burst error containing a packet loss even with an error correction code having a very small code length.