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Oki Electric Unveils 3D Noise Reduction LSI with built-in FIFO Memory for Imaging Equipment


Eliminates the CCD camera noise that occurs in dim light

Tokyo, Japan, August 23, 2006 -- Oki Electric Industry Co., Ltd. (TSE: 6703) today announced its launch of two types of 3D noise reduction, high quality image processing LSIs, the ML87V2107 and ML87V21071, that operate on a 3.3V single power supply. Oki succeeded in integrating its original FIFO (First-In First-Out) memory and image processing circuit into a single chip and significantly reducing CCD camera noise in dim light, something which could not be done before.

“By using these ICs, manufacturers of consumer imaging electronics, such as TVs and video recorders, and manufacturers of industrial imaging electronics, such as monitoring cameras and network cameras, can reduce circuit costs, improve function for video equipment and achieve higher resolution,” said Masahiko Morioka, President of Silicon Solutions Company at Oki Electric. “Based on this LSI we plan to develop new versions with embedded ADC/DAC to achieve higher functions and be suitable for application in various CCD cameras”

Oki’s image processing asynchronous FIFO memory is used in various imaging equipment, including TVs and broadcasting equipment, both in Japan and overseas, and currently holds the top market share for FIFO memories for TVs. Using its FIFO memories as a buffer, Oki has achieved to offer functions for 3D noise reduction, frame rate conversion, and progressive conversion(*1) to the consumer imaging electronics market. In recent years, demands to eliminate noise that occur in dim light have increased from the industrial imaging electronics market, particularly for camera monitoring.

Conventionally -these noise reduction, frame rate conversion, and progressive conversion functions -were achieved with two chips; an IC for image processing and a FIFO memory. However, as FIFO memories become more sophisticated, issues on limited mounting space and high costs of circuit boards have risen, and demands to integrate these chips have increased. By utilizing its DRAM and logic mixed technology, Oki succeeded in integrating its original FIFO memory and image processing circuit into a single chip, offering a low price, high functional 3D noise reduction for use in consumer imaging equipment as well as industrial imaging equipment that require higher quality image processing.

The ML87V2107 is equipped with a noise reduction function and a frame synchronizer to adjust time axis distortion and synchronization phase of image signals. This makes it ideal for use in DVR equipment because it prevents MPEG encoding errors from input image signal distortions. The ML87V21071 is also equipped with noise reduction and functions to eliminate digital cross color, which makes it an excellent choice for the use in highly functional CCD cameras and TVs. These chips can be used as option ICs for Oki’s display controllers and MPEG4 encoders for higher function applications.

*1 Progressive conversion:
By doubling the number of scanning lines in the horizontal direction, this method achieves high resolution video with little flickering

[Reference] Details of Oki’s ML87V2107 and ML87V21071
About Oki Electric Industry Co., Ltd.

Founded in 1881, Oki Electric Industry Co., Ltd. is Japan’s first telecommunications manufacturer, with its headquarters in Tokyo, Japan. With the corporate vision, “Oki, Network Solutions for a Global Society,” Oki provides top-quality products, technologies and solutions to its customers through its info-telecom system business, semiconductor business and printer business. All three businesses function as a collective force to create exciting new products and technologies that satisfy a spectrum of customer needs in various markets. Visit Oki’s global web site at

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