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| CL8830 MPEG-2 AUDIO/VIDEO PROCESSOR WITH REALSONICTM AUDIO C-Cube Microsystems presents the CL8830 MPEG-2 A/V Processor, its 3rd generation single-chip MPEG-2 A/V decoder. The CL8830 delivers high-quality playback of all popular video disc formats, including Chaoji VCD, CVD, VCD2.0, and VCD1.1. In addition, the CL8830 significantly enriches the consumers' home theater and karaoke experience with its breakthrough RealSonic audio technology. With the CL8830's high level of integration, OEM's will deliver affordable Chaoji VCD solutions providing the highest quality audio and video experience. The CL8830 delivers an unparalleled set of features, including:" * MPEG-2 A/V decoding at 2/3 and 1/2 D1 resolutions * Variable bitrate (VBR) technology to ensure the highest quality video output * An embedded 50 MIPS dedicated Audio DSP provides a rich audio feature set * C-Cube's RealSonic Audio technology allows royaltyfree DVD-quality home-theater audio and custom audio effects * Basic Karaoke functions (mic echo, key control, stereo vocal cancel and voice detect) * Professional Karaoke functions such as vocal harmony, vocal chorus, vocal scoring, vocal flange, vocal reverb, microphone treble and simulated stereo * Home Theater Effects, including: WideSoundTM, RealSonic 3D audio, RealSonic multichannel outputs, RealSonic concert hall, RealSonic dynamic range compression and graphic equalizer * Two stereo audio input channels allow full stereo multiple language support and full stereo Karaoke * High-resolution lyrics for clear, crisp movie subtitles * Lyrics scrolling and color change for Karaoke sing-alone * Multiple high-resolution Lyrics channels to support multiple language subtitles * Zoom and fade-in/fade-out functions for still and motion pictures * Integrated SDRAM interface for compact, low-cost memory design * ClearViewTM, DiscViewTM, and FlexViewTM technologies * Highest playback quality for all video disc formats including Chaoji VCD, CVD, VCD1.x, VCD2.0, CD-DA and CD-I AUDIO FEATURES ADVANCED AUDIO ENGINE The CL8830 includes a dedicated 50 Mips audio engine and C-Cube's advanced RealSonic audio technology. RealSonic is C-Cube's proprietary technology that allows home-theater quality audio effects without any associated royalty. This technology allows OEM's to offer high-end DVD-quality home-theater audio and professional Karaoke functions at no extra cost. * Graphic Equalizer: Adjusts the frequency band by raising or lowering the level of tone. * Custom Audio Effects: Audio effects can be customized by configurable parameters. PROFESSIONAL KARAOKE FUNCTIONS In addition to the basic Karaoke functions (mic echo, key control, stereo vocal cancel and voice detect), the CL8830 also provides appealing professional Karaoke functions such as: * Vocal Harmony: This function constructs additional "voices" that occur at a frequency-ratio shift away from the original microphone input. It can create up to three distinct voices that are mixed with the original signal to create a harmony effect. * Vocal Chorus: This feature creates additional "singers". The Vocal Chorus adds 1/8 pitch and 1/4 pitch voices to the original vocal to create the effect of two or three people singing as accompanists. * Vocal Scoring: This function is a built-in singing "judge" function that allows singers to compare themselves to each other or to improve their singing skills. * Vocal Reverb: Reverb adds multiple decaying echo to microphones to provide concert hall effect for Karaoke. * Microphone Treble: This function performs adjustable treble enhancement for the microphone input. * Simulated Stereo: This feature adds phase information to mono audio and microphone signals to make them sound stereo-like. * Full Stereo Karaoke: Due to two stereo audio inputs, full stereo Karaoke playback can be achieved. The Karaoke singer can be accompanied by full stereo music. HOME THEATER AUDIO The DVD-quality home-theater audio features include WideSound, RealSonic 3D audio, RealSonic multichannel outputs, RealSonic concert hall, RealSonic dynamic range compression, graphic equalizer and custom audio effects. Reverberation and echo sounds can be programmed to create the multiple live atmospheres that allow users to enjoy high quality movie theater surround sound and concert hall music. In addition, four-channel surround sound can be simulated with only two speaker outputs. * WideSound: Creates wider sound field than the actual speaker position. * RealSonic 3D Audio: Creates a movie hall surround sound effect from two speakers. * RealSonic Multi-Channel Outputs: Creates fourchannel output from stereo source material. * RealSonic Concert Hall: Multiple listening environments can be simulated, such as concert hall, church, stadium and jazz club. * RealSonic Dynamic Range Compression: Compresses the dynamic range of the output signal to increase the average output level without distortion. VCD Resolution: 352 x 240/NTSC; 352 x 288/PAL Chaoji VCD Resolution: 480 x 480/NTSC; 480 x 576/PAL VCD Picture is Blurry, Text is Difficult to Read CL8830 Video and Lyrics are Crystal Clear CL8830 Supports Color-Change and Scrolling C-Cube Microsystems MPEG AUDIO DECODING The CL8830 decodes Variable Bitrate (VBR) MPEG-2 audio streams. The bitrate per channel is 32 to 192 KBPS and the bitrate per stream is 64 to 384 KBPS. Sampling rates of 44.1 or 48 kHz are used for high quality audio. MULTIPLE LANGUAGE SUPPORT Because the CL8830 has two stereo or four mono audio input channels, it can support full stereo multiple languages. This allows the user to hear and view the content in each language in full stereo audio. VIDEO FEATURES HIGHEST PLAYBACK QUALITY OF ALL DISC FORMATS C-Cube has leading edge technology and five years experience in China's VCD market. Because of this, the CL8830 is not only compatible with the Chaoji VCD, CVD, VCD 1.x, VCD 2.0, CD-DA and CD-I formats, but also provides highest audio and video quality during playback of these formats. Dataflow through the CL8830 CLEARVIEW A unique engineering achievement, ClearView sets the standard for reliable, clear video. ClearView technology prevents tearing and blocking caused by dirty or flawed CDs. Header and picture errors are identified, classified and concealed. ClearView ensures popular CD formats can be played back flawlessly. MPEG VIDEO DECODING The CL8830 supports both MPEG-1 and MPEG-2 video decoding to ensure backwards compatiblity with VCD and still provide high-quality decoding of MPEG-2 encoded video streams. It also supports VBR MPEG-2 video stream for even higher video quality. It supports both 1/2 and 2/3 D1 picture resolution and frame aspect ratios of either 4:3 or 16:9. DISCVIEW DiscView provides VCD 2.0 PBC-type navigation for VCD 1.1 discs. It can be integrated into the machine's operation as a playback control option for quick scanning and selection of disc contents. DiscView allows advanced menu selection capability by providing a menu display of nine images from which different tracks or discs may be chosen. CL8830 Player Block Diagram C-Cube Microsystems FLEXVIEW This feature converts NTSC source material to PAL format to provide full-screen, correctly proportioned video. C-Cube's adaptive interpolation technology is used for smooth, raster-free scaling. SIMPLE PROGRAMMING The CL8830 provides an application programming interface (API) consisting of high-level commands that allow the host to monitor and control the input, decode, and output processes. This API is compatible with CVD-1 and CL8820. GRAPHICS FEATURES HIGH-RESOLUTION LYRICS Either CCIR-601 high-resolution overlay graphics or text data can be embedded in the Chaoji VCD bit stream for clear, crisp movie subtitles. Lyrics scrolling and color change are achieved. Four independent channels for Lyrics support multiple languages. POWER AND PACKAGING The CL8830 operates with a normal supply voltage of 3.3V, but can accept 5V inputs. It is packaged in a 208 pin Plastic Quad Flat Pack (PQFP). PRODUCT SPECIFICATIONS Video d Decoding Standards Picture Resolution Output Formats Compatibility Timing MPEG-1, MPEG-2 NTSC: 480 x 480 PAL: 480 x 576; NTSC: 352 x 480, PAL: 352 x 576 NTSC, PAL Chaoji VCD, CVD, VCD 1.x, 2.0, CD-DA, CD-I Generates horizontal and vertical synchronization signals BITMAPPED OSD Integrated on-screen display (OSD) allows text and graphics to be overlaid on full-motion video anywhere on the screen. Four-, 16-, or 256-color on-screen display is available. PHYSICAL FEATURES SDRAM INTERFACE The flexible memory configuration of the CL8830 supports 16 to 32 Mbits of SDRAM This compact memory design allows both customization and cost reduction. The minimum required DRAM for full NTSC and PAL decoding is 16 Mbits. Graphics rc On-Screen Display Overlay Graphics and Text Lyrics 4-, 16-, or 256-color bitmapped OSD Full screen, multicolor, overlay displays for vocal text and still graphical images CCIR-601 resolution, 4 graphics channels Audio uo Audio DSP Decoding Standards Input Channels Output Channels Sample Rates 50 MIPS dedicated Audio DSP MPEG-1, MPEG-2 Layer I and II 2 stereo or 4 mono 4 44.1 kHz, 48 kHz LOW COST SYSTEM DESIGN The components needed to build a Chaoji VCD player components are readily available at low cost. The block diagram for the player is shown on the previous page. System se Compressed Data Input Compressed VBR DRAM ROM CD interface Up to 2.88 Mbits/s 16/32 Mbits SDRAM or 20 Mbits SDRAM/EDO DRAM 4 Mbits EPROM Physical sc Input Voltage Packaging 3.3V TTL 5% (tolerates 5V input) 208-pin PQFP (c) C-Cube Microsystems, 1999. All rights reserved. Printed in USA Part Number: 90-6195-101 Disclaimer: All data, circuits and designs included in this C-Cube publication (collectively called the "Designs") are provided to you without warranty. C-Cube makes no warranties whatsoever, express or implied, relating to the Design, and expressly excludes any warranty of merchantability, fitness for a particular purpose or non-infringement of any proprietary rights of third parties. C-Cube grants to you, under its own proprietary rights related to the Design, the right to manufacture, have manufactured, distribute and use any products which use C-Cube integrated circuits and which incorporate any part of the Design. You shall be solely responsible for obtaining all necessary licenses required to use the Design and shall indemnify, defend, and hold C-Cube harmless from any and all liability, loss, costs, damage, judgment or expense (including attorneys' fees and costs) resulting from or arising out of your manufacture, use and sale or your customer's use or resale of products using any part of the Design which results in infringement of any third party patents, copyrights or other proprietary rights. Any use of the Design shall constitute your acceptance of all the above terms and conditions. C-Cube Microsystems reserves the right to change any products described herein at any time and without notice. C-Cube Microsystems assumes no responsibility or liability arising from the use of the products described herein, except as expressly agreed to in writing by C-Cube Microsystems. The use and purchase of this product do not convey a license under any patent rights, copyrights, trademark rights, or any other intellectual property rights of C-Cube Microsystems. C-Cube and the corporate logo are registered trademarks of C-Cube Microsystems. All other trademarks are the property of their respective owners. C-Cube Microsystems, 1778 McCarthy Boulevard, Milpitas, California 95035 USA Phone: +1 408.944.6300 Fax: +1 408.490.8590 Website: http://www.c-cube.com |
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