USBB17AP77016-XXX-B11 NEC Electronics, USBB17AP77016-XXX-B11 Datasheet - Page 10

• Manufacturer Part Number: USBB17AP77016-XXX-B11
• Description: DSP middleware(WMA (Windows Media Audio)decoder)
• Manufacturer: NEC Electronics

1.1
performance of the processor and enables processing that is conventionally performed by hardware to be performed
by software.
to facilitate operation of the environments integrated in the system.
offering users the kind of technology essential in the realization of a multimedia system for the µ PD77016 Family, and
is continuing its promotion of system development.
Audio (WMA) technology.
1.2
technology promoted by Microsoft Corporation. WMA is based on the Microsoft-standard Advanced Systems Format
(ASF) and is used together with the MPEG-4 (Moving Picture Experts Group) and WMV (Windows Media Video)
standards.
1.3
1.3.1
10
Middleware is the name given to a group of software that has been tuned so that it draws out the maximum
The concept of middleware was introduced with the development of a new high-speed processor, the D SP, in order
By providing appropriate speech codec and image data compression/decompression-type middleware, NEC is
The µ SAP77016-B11 introduced here is middleware that supplies decoding functions using Windows Media™
Windows Media Audio is the audio standard of the Windows Media Technology (WMT) audio/video streaming
The µ SAP77016-B11 performs decoding using WMA decoding technology.
• All bit rates and sampling frequency data encoded by Windows Media Audio CODEC Versions 2, 7, and 8 can be
• Decoding results are output in 16-bit linear PCM format
• The ASF file format is supported
• Extracting and decoding only audio data from data including video is possible
• Contents information can be read out
• DRM (Digital Rights Management), script commands, and marker functions are not supported
decoded (refer to Table 1-1 Bit Rates and Sampling Frequencies Supported by Each Codec).
Middleware
WMA Decoder
Product Overview
Features
CHAPTER 1 INTRODUCTION
User’s Manual U15683EJ1V0UM