A
Akira Iketani
Researcher at Panasonic
Publications - 107
Citations - 1181
Akira Iketani is an academic researcher from Panasonic. The author has contributed to research in topics: Signal & Magnetic tape. The author has an hindex of 18, co-authored 107 publications receiving 1181 citations.
Papers
More filters
Patent
Digital video signal recording/reproducing apparatus
Akira Iketani,Chojuro Yamamitsu,Akifumi Ide,Masakazu Nishino,Tatsuro Juri,Hideki Ohtaka,Chiyoko Matsumi +6 more
TL;DR: In this article, a rotary cylinder is used to record digital VCR video and audio signals with a frame frequency fN of 30 Hz or 29.97 Hz, and the rotating frequency of the cylinder is set to 2.5 times fN.
Patent
Compressed video signal recording/variable-speed reproduction apparatus
TL;DR: In this article, a video signal recording/reproducing apparatus which records pictures by compressing the video signal in multiple field units and reproduces an signal by the expansion process is described.
Journal ArticleDOI
An experimental study for a home-use digital VTR
Chojuro Yamamitsu,Akifumi Ide,Akira Iketani,Tatsuro Juri,S. Kadono,Chiyoko Matsumi,K. Matsushita,H. Mizuki +7 more
TL;DR: A modified DCT (discrete cosine transform) has been developed for this system that needs only one-half the number of multipliers of a conventional DCT, making the hardware scale smaller.
Patent
Broadcast receiver, transmission control unit and recording/reproducing apparatus
TL;DR: In this paper, a method for receiving a broadcast includes the steps of receiving a digital signal obtained by multiplexing at least one program, decoding the selected data, and transmitting the selected selected data to an external device.
Patent
Digital signal recording and reproducing apparatus
Masazumi Yamada,Yukio Kurano,Kenji Kunitake,Yuzo Murakami,Akira Iketani,Chiyoko Matsumi,Yasuo Hamamoto,Akihiro Takeuchi +7 more
TL;DR: In this paper, the authors present a digital signal recording and reproducing apparatus, in which digital input data is transmitted in a transmission packet format and is recorded in a recording packet format.