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| CrystalClearTM PCI Audio Accelerator PC Products CL-CS4610 PCI Audio Accelerator Employs DSP Technology for Unprecedented Audio Quality and Performance in Multimedia PCs Cirrus Logic's CrystalClearTM family of audio chip solutions offers the state-of-the-art SoundFusionTM platform that enables startling new levels of audio quality and performance in multimedia PCs. The CS4610 SoundFusion PCI Audio Accelerator incorporates a high-performance DSP (digital signal processor) to accelerate content-rich PC audio applications such as advanced interactive 3D gaming, DVD, music playback, and videoconferencing. The programmability of the CS4610 positions it to be an ideal solution for both current and next-generation multimedia PC applications. Fully Immersive 3D Audio With Two Speakers Product Highlights * Concurrent processing of leading edge technologies: - Aureal A3D InteractiveTM - DirectSound3DTM / DirectXTM 5.0 - DirectShowTM 2.0 - Dolby(R) Digital (AC-3TM) and MPEG-2 Audio decoding - Hardware Wavetable Synthesis with effects processing - DirectSound multichannel mixing and sample rate conversion - Advanced Power Management 1.2 Support * Full legacy support when combined with the CS423XB ISA codec * Full AC '97 compliance when combined with the CS4297 next-generation codec The CS4610 PCI accelerator, with its innovative system architecture, is the industry's first single-chip audio solution to integrate Dolby Digital (AC-3) hardware acceleration with support for the Aureal A3D API and Microsoft DirectSound3D and DirectShow (ActiveMovie) APIs. The result is that a CS4610-based system provides fully immersive interactive audio and virtualized surround-sound for two speakers. Systems In Silicon! CrystalClearTM PCI Audio Accelerator New DSP Architecture Streamlines Audio and System Efficiency PC Products CL-CS4610 The CS4610 features the newly developed SLIMD (somewhat long instruction multiple data) DSP architecture to support the concurrent processing of the multiple streams of data required to accelerate leadingedge audio technologies. This innovative architecture includes an advanced hardware scatter-gather DMA (direct memory access) engine designed to efficiently transfer audio data between PC system memory and an on-chip DSP memory without requiring the attention of either the system's CPU or the DSP. The DMA engine can independently manage 96 concurrent streams of audio data (moving in both directions) and intelligently optimize system resources (main memory and PCI bus) to maximize total system performance. This powerful core enables the concurrent processing of complex System Block Diagram audio functions that have traditionally required multiple special-function IC devices. Comprehensive Software and Applications Support The high performance and exceptional quality offered by the CS4610 are immediately available for a broad range of state-of-the-art audio technologies. The CS4610 design environment includes a complete suite of software drivers, Windows 95 drivers, BIOS support, and utilities for easy design integration. Available documentation includes the data sheet, the OEM software reference manual, customer reference design, and reference schematics/layouts. Design-in application engineering support includes schematic review, layout review, and system testing support to speed the design-in process and insure optimal audio quality. Copyright (c) 1997 Cirrus Logic, Inc. All rights reserved. For specific technical details and disclaimer see technical documentation. Cirrus, Cirrus Logic, Crystal, CrystalClear, and SoundFusion are trademarks of Cirrus Logic, Inc., which may be registered in some jurisdictions. Other trademarks in this document belong to their respective companies. Printed in the USA. 3100 West Warren Ave., Fremont, CA 94538 Phone: 510/623-8300 Worldwide Web: http://www.cirrus.com Fax-On-Demand: 800/359-6414 (USA), or 510/249-4200 MB4610-001 |
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