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PUBLIC ADDRESS SYSTEM WITH WIRELESS AUDIO TRANSMISSION
专利权人:
Defnet David Walter
发明人:
Defnet David Walter
申请号:
US201615156206
公开号:
US2016330556(A1)
申请日:
2016.05.16
申请国别(地区):
美国
年份:
2016
代理人:
摘要:
A wireless public address (PA) system for providing wireless access to a live performance while restricting access to only those audience members who have purchased access. The system comprising a soundboard, configured to receive an audio input signal from audio equipment providing an audio signal of the live performance. The sound board is programmed with instructions to segregate low frequency sound from high frequency sound. An amplifier is electrically coupled to the sound board. A loud speaker is adapted to broadcast the low frequency sound. A transmitter is electrically coupled to the sound board and configured to transmit the high frequency sound to a mobile device. An application is configured within the mobile device with instructions to coordinate low frequency sound from the loud speaker with high frequency sound emitted from headphones attached to the mobile device.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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