초록 ▼

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 acousti

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.

대표청구항 ▼

What is claimed is: 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

What is claimed is: 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. 2. The wireless acoustic receiving device according to claim 1, wherein the electro-acoustic transform means is formed of at least two or more electro-acoustic transform elements and outputs the acoustic signal in stereo sound. 3. The wireless acoustic receiving device according to claim 1, wherein the demodulation/decoding means further comprises deinterleave means for returning a data order of the main information to an initial state. 4. The wireless acoustic receiving device according to claim 1, wherein the information source decoding means decodes the acoustic signal by conducting discrete cosine inverse transform processing on the output signal of the information restoring means. 5. The wireless acoustic receiving device according to claim 1, wherein the information source decoding means restores the acoustic signal by conducting inverse high-velocity Fourier transform processing on the output signal of the information restoring means. 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. 7. The vehicle-loaded acoustic device according to claim 6, further comprising remote control means in which control data for operation control is entered through the remote control means. 8. The vehicle-loaded acoustic device according to claim 7, wherein the remote control means transmits the control data via infrared ray. 9. The vehicle-loaded acoustic device according to claim 6, further comprising: television broadcasting receiving means in which the information concerning the acoustic signal received by the wireless receiving means arid images of television broadcasting received at the television broadcasting receiving means are one of simultaneously and alternately displayed on the display means. 10. The vehicle-loaded acoustic device according to claim 6, wherein the wireless transmission means, the wireless receiving means and the demodulation/decoding means include removable components and the removable components are used as communication equipment upon being removed. 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. 12. The portable acoustic device according to claim 11, wherein the operating means comprises operation keys for inputting the control data regarding telephone communications. 13. The portable acoustic output device according to claim 11, wherein the operating means comprises rotary push type operation keys. 14. The portable acoustic output device according to claim 11, wherein the operating means comprises moving round push type operation keys. 15. The portable acoustic output device according to claim 11, wherein the operating means comprises a plurality of pushing switches. 16. The portable acoustic output device according to claim 11, further comprising display means for displaying information regarding the acoustic signal received by the wireless receiving means. 17. The portable acoustic output device according to claim 16, wherein the display means also displays information regarding telephone conversation. 18. The portable acoustic output device according to claim 16, wherein the display means is formed integrally with the operating means. 19. The portable acoustic output device according to claim 16, further comprising: weak information transmission means for transmitting the acoustic signal restored by the demodulation/decoding means; and weak information receiving means for receiving the acoustic signal transmitted by the weak information transmission means and for supplying a received signal to the electro-acoustic transform means wherein the acoustic signal is supplied to the electro-acoustic transform means via a wireless connection. 20. The portable acoustic output device according to claim 19, wherein the weak information transmission means transmits the acoustic signal using an electromagnetic wave. 21. The portable acoustic output device according to claim 20, wherein the electromagnetic wave is in the frequency band over 10 MHz and below 1 GHz. 22. The portable acoustic output device according to claim 20 further comprising control means, wherein the weak information receiving means transmits control data input from the operating means utilizing the electromagnetic wave, and the weak information transmission means receives the control data transmitted from the weak information receiving means for output to the control means. 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. 25. The information transmission device according to claim 24, further comprising: interleave means for sorting output data from the information source coding means; and weight function forming means for forming a weight function from the feature information extracted by the feature information extracting means. 26. The information transmission device according to claim 24, wherein the information source coding means performs discrete cosine transform processing on the input signal. 27. The information transmission device according to claim 24, wherein the information source coding means performs high velocity Fourier transform processing on the input signal. 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. 29. The information transmission method according to claim 28, comprising a further step of performing discrete cosine transform processing on the input signal as the step of information source coding. 30. The information transmission method according to claim 28, comprising the further step of performing high velocity Fourier transform processing on the input signal as the step of information source coding.