Stereophonic sound control apparatus and stereophonic sound control method
A sound control and stereo technology, applied in stereo system, quasi-stereo system, using ultrasonic/sonic wave/infrasonic wave, etc., can solve the problems of equipment size increase and cost increase
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no. 1 example
[0094] FIG. 1 is a schematic block diagram showing the configuration of a stereo sound device according to a first embodiment of the present invention. When referring to FIG. 1, the stereo sound apparatus of the present invention is a car navigation system in which the present invention is applied, which includes a sensor unit 1, a camera input unit 2, a map data storage unit 3, a digital audio data storage unit 4, a display unit 5 , control unit 6, processing unit 7, conversion unit 8 and speakers 9 and 10.
[0095] The sensor unit 1 includes a GPS receiver for receiving GPS (Global Positioning System) signals and an acceleration sensor. While the acceleration sensor obtains acceleration data, the GPS receiver obtains position data, and transmits the obtained position data and acceleration data to the control unit 6 . The camera input unit 2 obtains camera video data by photographing an object, and transmits the camera video data to the control unit 6 . The map data storage...
no. 2 example
[0121]Fig. 4 is a schematic block diagram showing a stereo sound device according to a second embodiment of the present invention. Referring to FIG. 4, the stereo sound device for this embodiment is a mobile terminal such as a mobile phone to which the present invention is applied. In addition to the same configuration and function as the first embodiment, this stereo sound device further includes an input unit (input means) 11 that receives data including audio data for a plurality of channels through wires. To communicate using packets in a time-divisional manner, each packet includes an "identifier" and associated "audio data". The control unit 6 acquires predetermined or given position data of each channel for data input through the input unit 11, and calculates distance data and direction data. Then, the control unit 6 outputs these data as sound localization data. Also, the control unit 6 recognizes audio data input via the same channel through the input unit 11, obtai...
no. 3 example
[0132] Fig. 7 is a schematic block diagram showing a stereo sound device according to a third embodiment of the present invention. When referring to FIG. 7, the stereo sound device of the present embodiment is a mobile terminal such as a mobile phone to which the present invention is applied. In addition to the configuration and functions corresponding to the first embodiment, the stereo sound equipment includes an input unit 12 having a function of retrieving digital data from the outside by radio, that is, a function for receiving radio waves transmitted from a radio transmission source. Function.
[0133] Every certain period of time, the control unit 6 receives the radio status and digital audio data received by the input unit 12, and records the radio status. Then, the control unit 6 uses the radio state and the attitude change of the mobile terminal to determine the radio strength and orientation, that is, to determine the directional strength of the received radio wave...
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