IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0552625
(2009-09-02)
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등록번호 |
US-8520863
(2013-08-27)
|
우선권정보 |
JP-2008-233231 (2008-09-11) |
발명자
/ 주소 |
- Kamatori, Hirokazu
- Nasukawa, Satoru
|
출원인 / 주소 |
|
대리인 / 주소 |
ALG Intellectual Property, LLC
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인용정보 |
피인용 횟수 :
0 인용 특허 :
2 |
초록
▼
An image display apparatus includes: an image information input section; an image display section for displaying an image corresponding to the image information; a first sound input section adapted to input a first sound signal; a first sound amplification section adapted to amplify the first sound
An image display apparatus includes: an image information input section; an image display section for displaying an image corresponding to the image information; a first sound input section adapted to input a first sound signal; a first sound amplification section adapted to amplify the first sound signal to generate a first amplified sound signal; a second sound input section adapted to input a second sound signal; a second sound amplification section adapted to amplify the second sound signal to generate a second amplified sound signal; a sound mixing section adapted to mix the first amplified sound signal and the second amplified sound signal with each other; an audio output section adapted to output an audio corresponding to a sound signal input from the sound mixing section; and an operation mode setting section adapted to set an operation mode, wherein the sound mixing section mixes the first amplified sound signal and the second amplified sound signal based on the operation mode set by the operation mode setting section.
대표청구항
▼
1. An image display apparatus comprising: an image information input section;an image display section for displaying an image corresponding to the image information;a first sound input section adapted to input a first sound signal;a first sound amplification section adapted to amplify the first soun
1. An image display apparatus comprising: an image information input section;an image display section for displaying an image corresponding to the image information;a first sound input section adapted to input a first sound signal;a first sound amplification section adapted to amplify the first sound signal to generate a first amplified sound signal;a second sound input section adapted to input a second sound signal;a second sound amplification section adapted to amplify the second sound signal to generate a second amplified sound signal;a first determination section adapted to determine whether or not one of the first sound signal and the first amplified sound signal exceeds a threshold value;a first amplification control section adapted to control, in response to one of the first sound signal and the first amplified sound signal exceeding the threshold value, the second sound amplification section to set an amplification degree of the second sound signal to be lower than an amplification degree of the first sound signal;a non-transitory storage medium adapted to store: amplification control data representing control content of a plurality of types of amplification mode by the first amplification control section, each of the plurality of types of amplification mode setting a different amplification degree of the second sound signal with respect to the first sound signal, andselection data representing which amplification mode of the plurality of types of amplification modes is selected by a user;a sound mixing section adapted to mix the first amplified sound signal and the second amplified sound signal with each other;a mixed sound amplification section adapted to amplify the mixed sound signal to generate an amplified mixed sound signal;an audio output section adapted to output an audio corresponding to the amplified mixed sound signal;an operation mode setting section adapted to set an operation mode,wherein the first amplification control section performs control of the second sound amplification section based on the amplification control data and the selection data,wherein the sound mixing section mixes the first amplified sound signal and the second amplified sound signal based on the operation mode set by the operation mode setting section. 2. The image display apparatus according to claim 1, wherein in response to the operation mode being set so as to mute the image, the sound mixing section outputs the first amplified sound signal among the first and second amplified sound signals. 3. The image display apparatus according to claim 1, wherein in response to the operation mode being set so as to freeze the image, the sound mixing section outputs the first amplified sound signal and the second amplified sound signal mixed with each other. 4. The image display apparatus according to claim 1, further comprising: a mixing ratio setting section adapted to set a mixing ratio between the first amplified sound signal and the second amplified sound signal in a controllable manner. 5. The image display apparatus according to claim 1, wherein the first determination section determines whether or not one of the first sound signal and the first amplified sound signal continues to be in a state of lower than a threshold value for a period of time one of equal to and longer than a predetermined period of time after exceeding the threshold value, andthe first amplification control section controls, in response to one of the first sound signal and the first amplified sound signal continuing to be in a state of lower than the threshold value for a period of time one of equal to and longer than a predetermined period of time after exceeding the threshold value, at least one of the first sound amplification section and the second sound amplification section to restore the amplification degree to a predetermined value. 6. The image display apparatus according to claim 1, wherein the first sound signal corresponds to a microphone sound signal, andthe second sound signal corresponds to a non-microphone sound signal. 7. A projector comprising: the image display apparatus according to claim 1,wherein the image display apparatus includes a projection section, and projects the image onto a projection surface. 8. A control method of an image display device, comprising: providing an image information input section adapted to input image information and an image display section adapted to display an image based on the image information;inputting a first sound signal;generating a first amplified sound signal by amplifying the first sound signal;determining whether or not one of the first sound signal and the first amplified sound signal exceeds a threshold value;inputting a second sound signal;storing amplification control data representing control content of a plurality of types of amplification mode, each of the plurality of types of amplification mode setting a different amplification degree of the second sound signal with respect to the first sound signal;storing selection data representing which amplification mode of the plurality of types of amplification modes is selected by a user;controlling, in response to one of the first sound signal and the first amplified sound signal exceeding the threshold value, setting of an amplification degree of the second sound signal to be lower than an amplification degree of the first sound signal;generating a second amplified sound signal by amplifying the second sound signal;setting an operation mode;mixing the first amplified sound signal and the second amplified sound signal based on the operation mode set in the setting step;generating an amplified mixed sound signal by amplifying the mixed sound signal;outputting, by an audio output section, audio corresponding to the amplified mixed sound signal,wherein the control of the setting of the amplification degree of the second sound signal is based on the amplification control data and the selection data. 9. A computer readable non-transitory information storage medium storing a program for allowing a computer to execute a control method comprising: providing an image information input section adapted to input image information and an image display section adapted to display an image based on the image information;inputting a first sound signal;generating a first amplified sound signal by amplifying the first sound signal;determining whether or not one of the first sound signal and the first amplified sound signal exceeds a threshold value;inputting a second sound signal;storing amplification control data representing control content of a plurality of types of amplification mode, each of the plurality of types of amplification mode setting a different amplification degree of the second sound signal with respect to the first sound signal;storing selection data representing which amplification mode of the plurality of types of amplification modes is selected by a user;controlling, in response to one of the first sound signal and the first amplified sound signal exceeding the threshold value, setting of an amplification degree of the second sound signal to be lower than an amplification degree of the first sound signal, the control of the setting of the amplification degree of the second sound signal being based on the amplification control data and the selection data;generating a second amplified sound signal by amplifying the second sound signal;setting an operation mode;mixing the first amplified sound signal and the second amplified sound signal based on the operation mode set in the setting step;generating an amplified mixed sound signal by amplifying the mixed sound signal;outputting, by an audio output section, audio corresponding to the amplified mixed sound signal,wherein the control of the setting of the amplification degree of the second sound signal is based on the amplification control data and the selection data. 10. An image display apparatus comprising: an image signal input terminal;an image display section for displaying an image corresponding to image information input to the image signal input terminal;a first sound input terminal adapted to input a first sound signal;a first amplifier adapted to amplify the first sound signal to generate a first amplified sound signal;a second sound input terminal adapted to input a second sound signal;a second amplifier adapted to amplify the second sound signal to generate a second amplified sound signal;a computing device having a processor, the computing device being adapted to: determine, at a first determination section, whether or not one of the first sound signal and the first amplified sound signal exceeds a threshold value; andcontrol, at a first amplification control section, in response to one of the first sound signal and the first amplified sound signal exceeding the threshold value, the second sound amplification section to set an amplification degree of the second sound signal to be lower than an amplification degree of the first sound signal;a non-transitory storage medium adapted to store: amplification control data representing control content of a plurality of types of amplification mode by the first amplification control section, each of the plurality of types of amplification mode setting a different amplification degree of the second sound signal with respect to the first sound signal, andselection data representing which amplification mode of the plurality of types of amplification modes is selected by a user,a sound processing circuit adapted to mix the first amplified sound signal and the second amplified sound signal with each other;a mixed sound amplifier adapted to amplify the mixed sound signal to generate an amplified mixed sound signal;a speaker adapted to output an audio corresponding to the amplified mixed sound signal;an operation mode setting section,wherein the computing device performs control, at the first amplification control section, of the second sound amplification section based on the amplification control data and the selection data,wherein the sound processing circuit mixes the first amplified sound signal and the second amplified sound signal based on the operation mode set by the operation mode setting section.
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