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參數(shù)資料
| 型號： | ZR38601 |
| 英文描述： | ZR38601 Digital Audio Processor Product Brief |
| 中文描述： | ZR38601數(shù)字音頻處理器產(chǎn)品簡介 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大小： | 74K |
| 代理商： | ZR38601 |
Solutions
on a
Chip
PROGRAMMABLE DIGITAL
AUDIO PROCESSOR
ZR38601
Product Brief
Tel 408.919.4 1 1 1
Fax 408.919.4122
www.zoran.com
12/00-LD1500
Benefits Overview
The Zoran
(ZR38601) is a high-performance, programmable digital audio
sig-nal processor capable of real-time, single-chip decoding of Dolby Digital
5.1- channel and MPEG-2 digital surround algorithms. It is the fourth genera-
tion decoder made by Zoran, based on the proven ZR38600 architectures.
The hardware block floating-point makes it optimum for Dolby Digital and
complex digital audio signal processing applications.
Due to its programmable high-performance and high level of integration, the
ZR38601 is unusually flexible in meeting a wide range of system require-
ments at the lowest possible system cost. At the low end, it can provide stan-
dard fixed decoding functions with only a DAC and an optical interface for the
S/PDIF input, in addition to the oscillator crystal. At the high end, it can pro-
vide eight channels of output, analog input, long-delay memories, custom
operating features, and the ability to be upgraded with downloaded
SiliconSoftware
product enhancements. Yet all of this flexibility comes with-
out design complexity. Highly configurable standard functions with a simple
command structure minimize software development, while a full set of devel-
opment tools are available for the highly-custom product developer.
The ZR38601 is suitable primarily for audio applications such as Audio/Visual
home theater receivers, Digital Audio Broadcast (DAB), 3-D audio, six-chan-
nel speaker systems, and Karaoke processors; video applications like SDTV
and HDTV stereo television receivers and digital cable, and satellite TV set-
top boxes; and multimedia PC applications such as DVD players.
Key Features
Standard High Performance Functions in ROM
- Dolby Digital, 5.1-channel and 2-channel decoding
up to 640 Kbits per second
- Dolby Pro Logic encoding and decoding
- MPEG-1 and MPEG-2 two channel decoding with MPEG-2
- PES stream parsing, PTS decoding and SCR handling
Downloadable SiliconSoftware Functions
- Aureal A3D, Dolby Virtual Surround, Harman VMAx
- QSound QSurround, Spatializer N-2-2, Home THX
- SRS TruSurround, music modes
- Bass Management and multi-channel downmix
Flexible Input/Output
- Serial and/or parallel data stream I/O
- Serial SPI, serial Z2C or 8-bit parallel host interface
- 3 serial input data ports and 4 serial data output ports
- Formatted S/PDIF receiver with up to 96 kHz sample rate
- Sample rates: 32 kHz, 44.1 kHz, 48 kHz or 96 kHz
- Formatted S/PDIF Dolby Digital and MPEG transmitter output
Low System Cost
- Host less operation without glue chips
- Separate internal PLLs for DSP core and audio I/O
- No external RAM required for 5.1 Dolby Digital/MPEG-2
- Wait-state generation for low-cost external memory
- 100-pin Plastic Quad Flat Pack (PQFP) packaging
- 3.3 V supply with 5 V compatible I/O for low power
Software and Hardware PC Development Environment
- Assembler/Linker/Simulator
- On-chip ICE support with direct PC connection
- ZR38600DB Demonstration Board with 6 analog outputs,
microphone and line inputs, and optional PC connection
Zoran Corporation
3112 Scott Boulevard
Santa Clara, CA 95054-3317
ZR38601-PB-3.0
S/PDIF
Optical
Interface
S/PDIF Input
ZR38601
General Purpose Control I/O
Host
Processor
(Optional)
SPI or Z2C Serial Interface
DAC
DAC
DAC
DAC
(Optional)
XTAL
Left
Right
Left Surround
Right Surround
Center
Subwoofer
Left Center
Right Center
Figure 1. A typical Low-Parts-Count ZR38601 System
Encoded Data Input
Decoded Audio Outputs
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