Patent ID: 6781977
Filing Date: 2004-08-24
Classification: H04S

Abstract:
A wideband CDMA mobile equipment capable of transmitting multichannel sound comprising sending unit, receiving unit, central processing unit (CPU), duplexer and antenna; the central processing unit and the duplexer connect with the sending unit and the receiving unit respectively, the duplexer connects with the antenna, wherein:the said sending unit includes at least pickup sets, sound signal pre-processing sets, sound signal encoder, channel encoder, wideband CDMA modulator and radio-frequency (RF) sender, they are linked in a sequence, the output of the RF sender, connecting with the input of the duplexer, sends out to the antenna; the said receiving unit includes at least RF receivers, wideband CDMA demodulator, channel decoder, sound signal decoder, sound signal post-processing sets and sound reproducer, they are linked in a sequence, the signal received by the antenna is sent to the RF receiver via the duplexer; the said pickup sets are composed of more than one pickup, the said sound signal pre-processing sets are composed of more than one sound signal pre-processor, with each sound signal pre-processor corresponding to one pickup; the said sound signal post-processing sets are composed of more than one sound signal post-processor.