ASTRI teamed up with Oss Electronics and Silterra to introduce a new audio codec and sound post-processing integrated circuit solution for audio equipment manufacturers

Hong Kong Institute of Applied Science and Technology (ASTO) partnered with Oasi Electronics Co., Ltd., an integrated circuit solution provider based in Shenzhen, which has successfully developed an advanced multimedia audio codec system-on-chip (OPT5256). ), can support different music system code and audio effects post processing. This system-on-a-chip combines Siltera's craftsmanship to reduce 0.18 micron to 0.16 micron CMOS. Silterra is Malaysia's leading mixed-signal wafer fabrication facility. This time, Silterra's 0.16 micron process is used because it is the most cost effective and most suitable process technology for today's highly competitive consumer market.

The OPT5256 is a highly integrated system-on-a-chip solution that supports multiple music system codecs, including MP3, WMA and AAC, which can also decode JPEG files for photo display. The most prominent feature of the OPT5256 is its ability to convert CDs directly into MP3s and compress them for SD card or USB flash storage. In addition to the USB interface and SD interface, the OPT5256 combines most of the peripherals on a single chip, such as memory, liquid crystal display control, and many I/O devices. With the reduction of many external components and the shrinking chip size, manufacturers can use this feature to design products that are lightweight and inexpensive. OPT5256 is also Hi-Fi compatible. It combines ASTRI's audio post-processing IP, enhanced stereo and bass, and a five-band graphic equalizer, which is extremely important for improving sound quality.

Dr. Zhao Shengzhang, Vice President of the Academy of Sciences and Director of the R&D Group, said: "The OPT5256 is a comprehensive solution with unique features that make manufacturers more flexible in designing products based on CD, hard drive and flash memory. Product differentiation is sought in multimedia player applications. In the development process, ASTRI assisted Ossian in the process of reducing the 0.18 micron CMOS to 0.16 micron CMOS, which will help manufacturers further refine products and reduce costs.

Li Ping, CEO of Oasis Electronics, said: "Our goal is to provide customers with cost-effective, low-power and high-performance microprocessor solutions. The OPT5256 has these advantages and is able to meet manufacturers' high-quality digital production. Audio system requirements." OPT5256 system-on-chip is suitable for a variety of products, including car audio, home audio systems, boom boxes, digital photo frames and TFT high-end digital audio systems with graphical user interfaces.

The audio codec system with audio post-processing has been successfully tested with all CMOS 0.16 silicon test chips, including USB 1.1 and 2.0 interface tests. Ou Si Electronics has entered the completion stage of application software writing and system board production, providing reference designs and preparing for mass production at Silterra.

Lai Yilong, deputy general manager of global business and marketing at Silterra, said: "We are very pleased to be able to work with ASTRI and Otis Electronics for the first time to successfully complete the technical process from Silterra 0.18 micron to 0.16 micron. We look forward to it soon. In the future, we will work with ASTRI and Oss Electronics again to implement a high-performance Silterra 0.13 micron to 0.11 micron technology program."

Hong Kong Institute of Applied Science and Technology

The Hong Kong Applied Science and Technology Research Institute (ASTRI) was established in 2000 by the Hong Kong Special Administrative Region Government. Its mission is to promote the development of Hong Kong's technology industry through applied research.

In 2006, ASTRI was commissioned by the Innovation and Technology Commission to host the Hong Kong Information and Communication Technology R&D Center, which is responsible for high-quality research and development, transferring scientific and technological achievements to the industry; cultivating outstanding scientific and technological talents; and integrating industry and academia. R&D resources and other tasks.

Over the years, ASTRI has been customer-oriented and has been conducting world-class applied research in a variety of fields. It has trained a number of outstanding researchers, registered a number of intellectual property rights, and transferred these new technologies to the industry. Hong Kong, the Mainland of China and neighboring regions create economic benefits. For more information about ASTRI, please visit http://

Introduction of Oasi Electronics Co., Ltd.

Founded in China in 2001, Oasi Electronics Co., Ltd. is a system integrator and developer focused on developing digital audio solutions, supporting software and hardware system design, and providing ODM/OEM services. OPTEK's expertise includes optical, hard disk, NAND flash and low-power design of digital audio systems. OPTEK's customers include multinational multimedia product manufacturers such as Philips, Thomas and RCA. More than three million products have been exported since its inception.

Silterra Company Profile

Founded in 1995, Silterra Malaysia Sdn Bhd (Silterra) is a semiconductor chip manufacturer specializing in CMOS logic, high voltage and mixed signal/RF technology, producing chips down to 0.13 microns. Silterra's monthly production reaches 40,000 eight-inch wafers. Silterra's headquarters and facilities are located in Malaysia and have offices in California and Taiwan. For more information on Silterra, please visit

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