IEEE Transactions on Consumer Electronics

The following topics were dealt with: signal processing systems for colour TV sets; video cassette recorders; fibre-in-the-home; HDTV equipment; and audio equipment

A novel system architecture with analog YUV and HV interfaces is presented. The architecture allows easy implementation of memory-based features in highly specified TV sets. Integrated circuits and memory-based features which fit into this architecture ...

A video display processing system has been developed which offers many advantages compared to analog or conventional digital systems. Its system architecture opens digital video processing towards multi-standard and multi-media applications. An advanced ...

Novel multi-standard video front-end ICs are described. One IC comprises a multi-standard color decoder, a sync processor, and a fast YUV switch. The second IC, for applications without a feature box, is a version with a picture geometry control circuit ...

A novel concept for an automatic multistandard chroma decoder is described. It includes an integrated double baseband chroma delay line and integrated biquad trap filters. The circuit, which provides complete multistandard chroma decoding without any ...

A fully integrated high-performance low cost SECAM decoder is described. It comprises the SECAM cloche filter, an accurate PLL (phase-locked loop) FM-demodulator, a digital identification circuit, and a low-frequency de-emphasis. The circuit is ...

The unique aspects of a novel pix-in-pix IC are described. The IC receives two composite video inputs and provides an overlayed composite video output. All video decoding and encoding is performed in the IC using digital signal processing. The IC uses a ...

A novel noise reduction system developed to improve the sensitivity of video cameras is reported. The frequency resolution characteristics, feedback characteristics, and bit accuracies of the noise reduction circuit in which the field or frame ...

The author examines means to utilize video tapes for secure communication of confidential information within companies or related business sectors. A scrambling method is proposed which provides security both during transportation and on the shelf. The ...

The authors have developed a computational method for simulating the behaviour of a tape running along a rotating cylinder with a video head fixed to it. The flexible tape is modeled as a thin anisotropic shell and the air-film is treated by the ...

With an active phase shift circuit, a video playback system for VHS has been created that guarantees a dramatic improvement in picture quality while keeping full compatibility. By the active control of phase shifting, the original upper sideband of the ...

The authors describe newly developed LSIs (large-scale-integrated circuits) to be used to process video signals for VCRs. These LSIs, equipped with functions to process luminance and chrominance signals on a single chip, reduce VCR manufacturing costs, ...

A novel method has been developed to realize noiseless variable speed playback for a 1/2-in high-definition VCR which uses a two-channel three-segment recording method. The key technologies here are tape speed selection and segment discrimination

An experimental digital VCR system for home use is described. A high-quality moving picture is obtained by a newly developed bit rate reduction technology, which is based on subband and three-dimensional DCT (discrete cosine transform) coding. A high-...

Approaches to improving the picture quality in high speed play while keeping sufficient picture quality in normal play are described. According to the approaches considered, variable length coding is controlled to be completed within a synchronized ...

The authors describe a bit rate reduction algorithm for use in digital VCRs, based on block scrambling and the two-dimensional adaptive discrete cosine transform. This method satisfies many of the demands unique to digital VCRs. Before the encoding ...

A high-picture-quality digital VCR was experimentally developed, using the triple Reed-Solomon product code, a novel block-coding technique with extensive lower frequency level suppression and a DCT (discrete cosine transform)-based bit-rate reduction ...

A novel quadrature amplitude modulation (QAM) recording method developed for channel coding of a digital VCR is reported. By using an improved coded 16 QAM method, a recording density as high as 0.95 μm/bit is accomplished by using a metal evaporated ...

NTSC-compatible signal processing schemes are proposed for telecine images. In these schemes, luminance, chrominance, and higher-resolution signals are multiplexed at the transmitter side and separated without crosstalk at the receiver side. The ...

A novel motion-insensitive method for scan rate conversion and removing cross errors from video signals is presented. It is based on the recently introduced vector median concept, which utilizes the correlation between different video signal components. ...

A multistandard video processor for composite and S-VHS video signals is described. Based on a 2-H adaptive combfilter for PAL and NTSC, a horizontal and vertical peaking, and a black-level-expander, the new circuit enhances picture quality by ...

A median-based motion adaptive algorithm has been developed for the interpolation of 625 extra lines between 625 original lines in a normal-definition PAL receiver. Furthermore, a motion detection algorithm suitable for cost-efficient implementation in ...

Two novel LSI (large-scale-integrated circuit) chips for multi-picture function have been developed. These are an aspect ratio converter of IDTV (improved-definition TV) signals and a picture-in-picture processor for HDTV (high-definition TV) and NTSC ...

A digital video codec has been developed for the Zenith/AT&T HDTV (high-definition TV) system for terrestrial broadcast over NTSC taboo channels. The codec works on an image progressively scanned with 1575 scan lines every 1/30th of a second and ...

A study of the hardware complexity and cost impact of several proposed decoders for digital high-definition TV (HDTV) is presented. The digital HDTV receiver is examined, with emphasis on the demodulator, the video decoder, the computation of the ...

A Hopfield-type neural network approach is presented which leads to an analog circuit for implementing the bit-level transform image. The computation of a 2D DCT (discrete cosine transform)-based transform coding is shown to solve a quadratic nonlinear ...

The sampling pattern used in the HD-MAC signal depends on the motion content within the square block of pixels. There is usually a belt of blocks coded with lower resolution ahead of the moving object and on the opposite side. The authors develop a ...

A hierarchical powerline network architecture built upon a token passing media access control sublayer, a low level link protocol enabling error correction, and a spread spectrum physical layer, each optimized for the powerline and for mutual ...

The topology, configuration rules, physical characteristics and communications methodology (language) of the CXBus (coaxial bus) are described. The media and tap installation, connection to appliances, range of signal levels, bandwidth allocation, ...

Proposals are given for the implementation of fiber optics in the home. Compatibility of existing products in a home with fiber optics are addressed, and ideas are sketched for new products, including switches, remote control devices, and security ...