System-on-chip with MPEG-4 capabilities for wireless applications

Fathy Yassa; Dan Schonfeld

doi:10.1117/12.475744

10 December 2002 System on a chip with MPEG-4 capability

Fathy Yassa, Dan Schonfeld

Proceedings Volume 4861, Multimedia Systems and Applications V; (2002) https://doi.org/10.1117/12.475744
Event: ITCom 2002: The Convergence of Information Technologies and Communications, 2002, Boston, MA, United States

Abstract

Current products supporting video communication applications rely on existing computer architectures. RISC processors have been used successfully in numerous applications over several decades. DSP processors have become ubiquitous in signal processing and communication applications. Real-time applications such as speech processing in cellular telephony rely extensively on the computational power of these processors. Video processors designed to implement the computationally intensive codec operations have also been used to address the high demands of video communication applications (e.g., cable set-top boxes and DVDs). This paper presents an overview of a system-on-chip (SOC) architecture used for real-time video in wireless communication applications. The SOC specifications answer to the system requirements imposed by the application environment. A CAM-based video processor is used to accelerate data intensive video compression tasks such as motion estimations and filtering. Other components are dedicated to system level data processing and audio processing. A rich set of I/Os allows the SOC to communicate with other system components such as baseband and memory subsystems.

Citation Download Citation

Fathy Yassa and Dan Schonfeld "System on a chip with MPEG-4 capability", Proc. SPIE 4861, Multimedia Systems and Applications V, (10 December 2002); https://doi.org/10.1117/12.475744

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KEYWORDS

Video

Video processing

Video compression

Digital signal processing

Photonic integrated circuits

Signal processing

Telecommunications

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