Indexed by:
Abstract:
针对目前大多数短距离无线传输方案音质差、成本高的现状,提出了一套运用A7121、WM8725、ATmega48等低成本芯片来实现高保真数字音频无线传输系统的设计方案,具体阐述了系统的总体设计框图、硬件电路设计和软件编程.实验表明,该方案成本低、音质好、抗干扰性强,其主要技术指标达到总谐波失真仅0.1%,频率响应为20 Hz~20 kHz,信噪比为95 dB,有效传输距离达100 m,音频输出达到CD音质效果.
Keyword:
Reprint Author's Address:
Email:
Source :
北京工业大学学报
ISSN: 0254-0037
Year: 2008
Issue: 12
Volume: 34
Page: 1258-1263
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 3
Chinese Cited Count:
30 Days PV: 1
Affiliated Colleges: