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MN85571AC Datasheet

  • MN85571AC

  • Single-Chip Audio/Video MPEG2 Encoder

  • 16頁(yè)

  • PANASONIC

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MN85571AC
Single-Chip Audio/Video MPEG2 Encoder
s
Overview
The MN85571AC is an audio/video encoder that performs video compression in conformance with the ISO/IEC
13818-2 (MPEG2 video) and ISO/IEC 11172-2 (MPEG1 video) standards and audio compression in conformance with
the Dolby Digital
*
system. It also can multiplex the compressed audio and video signals.
Note) 1. *: Dolby Digital is a registered trademark of Dolby Laboratories.
Neither the supply of this product that implements Dolby technologies nor the use of this product in end user products or
other end products implies the recognition of any implicit rights or licenses based on patents or other intellectual property
belonging to Dolby Laboratories. Licenses to use this product must be acquired from Dolby Laboratories.
2. Use of this product in MPEG2-related products requires patent licenses from the following company.
MPEG LA, LLC 250 Steel Street, Denver, Colorado USA 80206
s
Features
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Video encoding
鈥?/div>
Image compression technique: Compression in conformance with the ISO/IEC 13818-2 (MPEG2 video) and ISO/
IEC 11172-2 (MPEG1 video) standards
鈥?/div>
Generation of image sizes for the DVD video recording standards from ITU-R BT.656 (D1 parallel input) conform-
ing signals
鈥?/div>
Functions for conversion of horizontal and vertical resolutions.
鈥?/div>
Special quantization processing and filtering (time, horizontal, and vertical axes)
鈥?/div>
Audio encoding
鈥?/div>
Encoding techniques: Dolby Digital and linear PCM
鈥?/div>
Sampling frequency: 48 kHz
鈥?/div>
Number of channels: 2 channels (left and right)
鈥?/div>
Digital input interface: One system (supports both master and slave mode operation)
鈥?/div>
External components
鈥?/div>
External host for initialization and user-specific settings, and buffer memories (One 32-bit 64M SDRAM or two 16)
鈥?/div>
Power supply system: Two supply voltages: 3.3 V (I/O supply voltage and internal PLL circuit supply voltage), 1.8
V (internal circuit supply voltage)
s
Applications
鈥?/div>
Used in the encoder block in AV recording equipment that uses the MPEG2 technique, such as DVD recorders.
Publication date: January 2002
SDD00023AEM
1

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