Wireless information communication method and its device
First Claim
1. A wireless acoustic receiving device, comprising:
- wireless transmission means for transmitting a service request signal to request an acoustic signal desired by a user;
wireless receiving means for receiving a transmission signal containing the acoustic signal transmitted in response to the service request signal;
demodulation/decoding means for applying demodulation and/or decoding processing to the signal received by wireless receiving means and restoring the received signal to an acoustic signal; and
electro-acoustic transform means for transforming the acoustic signal restored by the demodulation/decoding means to a sound wave for output to the user, wherein the demodulation/decoding means comprises;
decoding means for separating main information and sub information from the signal received by the wireless receiving means;
feature information restoring means for restoring feature information from the sub information;
information restoring means for conducting the restoration processing of the main information using the feature information restored by the feature information restoring means; and
information source decoding means for restoring the acoustic signal upon decoding an output signal of the information restoring means.
1 Assignment
0 Petitions
Accused Products
Abstract
A wireless acoustic transmission device used in an acoustic offering service having superior convenience, includes wireless transmitter for transmitting the service request signal to request the desired acoustic signal, a wireless receiver for receiving the transmission signal containing the acoustic signal to be transmitted in response to the service request signal, a demodulator and decoder for restoring the acoustic signal applying the demodulation and/or decoding processing to the receiving signal transmitted from the wireless receiver, and an electro-acoustic transformer for transforming the acoustic signal restored by the demodulator and decoder the radio waves and for outputting. Accordingly, the desired acoustic signal can be easily obtained without having the recording medium on which the acoustic signal is recorded, and the acoustic offering service having superior convenience can be realized.
102 Citations
30 Claims
-
1. A wireless acoustic receiving device, comprising:
-
wireless transmission means for transmitting a service request signal to request an acoustic signal desired by a user; wireless receiving means for receiving a transmission signal containing the acoustic signal transmitted in response to the service request signal; demodulation/decoding means for applying demodulation and/or decoding processing to the signal received by wireless receiving means and restoring the received signal to an acoustic signal; and electro-acoustic transform means for transforming the acoustic signal restored by the demodulation/decoding means to a sound wave for output to the user, wherein the demodulation/decoding means comprises; decoding means for separating main information and sub information from the signal received by the wireless receiving means; feature information restoring means for restoring feature information from the sub information; information restoring means for conducting the restoration processing of the main information using the feature information restored by the feature information restoring means; and information source decoding means for restoring the acoustic signal upon decoding an output signal of the information restoring means. - View Dependent Claims (2, 3, 4, 5)
-
-
6. A vehicle-loaded acoustic device, comprising:
-
wireless transmission means for transmitting a service request signal to request an acoustic signal desired by a user; wireless receiving means for receiving a transmission signal containing the acoustic signal transmitted in response to the service request signal; demodulation/decoding means for restoring the acoustic signal by applying demodulation and/or decoding processing to the signal received by the wireless receiving means; electro-acoustic transform means having at least two electro-acoustic transform elements for transforming the acoustic signal restored by the demodulation/decoding means to a sound wave output in stereo sound; display means for displaying information concerning the acoustic signal received by the wireless receiving means; and present position locating means in which the information concerning the acoustic signal received by the wireless receiving means and information concerning the present position locating means are one of simultaneously and alternately displayed on the display means. - View Dependent Claims (7, 8, 9, 10)
-
-
11. A portable acoustic output device, comprising:
-
wireless transmission means for transmitting a service request signal to request an acoustic signal desired by a user; wireless receiving means for receiving a transmission signal containing the acoustic signal transmitted in response to the service request signal; demodulation/decoding means for restoring the acoustic signal upon applying demodulation and/or decoding processing to the signal received by the wireless receiving means; electro-acoustic transform means having at least two electro-acoustic transform elements for transforming the acoustic signal restored by the demodulation/decoding means to a sound wave output in stereo sound, wherein the electro-acoustic transform element possessed by the electro-acoustic transform means is human body attachable; a battery for powering said wireless transmission means and said wireless receiving means; operating means for inputting control data in the case of receiving the acoustic signal; and a main unit case and a cable, wherein the electro-acoustic transform means is connected via the cable to the main unit case in which the wireless transmission means, the wireless receiving means, and the demodulation/decoding means are stored, and the operating means is connected along a length of the cable. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
-
-
23. An automobile comprising:
-
wireless transmission means for transmitting a service request signal to request an acoustic signal desired by a user; wireless receiving means for receiving a transmission signal containing the acoustic signal transmitted in response to the service request signal; demodulation/decoding means for restoring the acoustic signal by applying demodulation and/or decoding processing to the signal received by the wireless receiving means; electro-acoustic transform means having at least two electro-acoustic transform elements for transforming the acoustic signal restored by the emodulation/decoding means to a sound wave for output in stereo sound; display means; and present location locating means, wherein information regarding the acoustic signal received by the wireless receiving means and information concerning the present position locating means are one of simultaneously and alternately displayed on the display means.
-
-
24. An information transmission device comprising:
-
information source coding means for information source coding an input signal fed thereto; feature extracting means for extracting feature information included in the input signal; quantization means for vector quantizing an output signal of the information source coding means using the feature information extracted by the feature extracting means; modulation means for modulating an output signal of the quantization means; wireless transmission means for transmitting an output signal of the modulation means to a terminal device; wireless receiving means for receiving an output signal from the terminal device; and demodulation means for applying demodulation and/or decoding processing to the signal received by the wireless receiving means wherein contents of the input signal are changed based on an output signal of the demodulation means. - View Dependent Claims (25, 26, 27)
-
-
28. An information transmission method, comprising the steps of:
-
information source coding an input signal and extracting feature information contained in the input signal; conducting vector quantization of an output from the step of information source coding utilizing the extracted feature information; modulating an output signal from the step of vector quantization for transmitting to a terminal device; receiving a transmission signal from the terminal device; and restoring data in the signal transmitted from the terminal device after applying demodulation and/or decoding processing to the signal and changing contents of the input signal based on contents of the restored data. - View Dependent Claims (29, 30)
-
Specification