WO2022201598A1 - サウンドバーシステム、サウンドバー、コントローラ、プログラム、およびサウンドバーの設定方法 - Google Patents
サウンドバーシステム、サウンドバー、コントローラ、プログラム、およびサウンドバーの設定方法 Download PDFInfo
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- WO2022201598A1 WO2022201598A1 PCT/JP2021/035552 JP2021035552W WO2022201598A1 WO 2022201598 A1 WO2022201598 A1 WO 2022201598A1 JP 2021035552 W JP2021035552 W JP 2021035552W WO 2022201598 A1 WO2022201598 A1 WO 2022201598A1
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- sound bar
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- 238000000034 method Methods 0.000 title claims description 10
- 230000003111 delayed effect Effects 0.000 claims abstract description 44
- 238000009434 installation Methods 0.000 claims description 48
- 230000005236 sound signal Effects 0.000 claims description 19
- 230000002238 attenuated effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 18
- 238000004891 communication Methods 0.000 description 13
- 230000004044 response Effects 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005401 electroluminescence Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
- H04S7/302—Electronic adaptation of stereophonic sound system to listener position or orientation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2205/00—Details of stereophonic arrangements covered by H04R5/00 but not provided for in any of its subgroups
- H04R2205/024—Positioning of loudspeaker enclosures for spatial sound reproduction
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/01—Aspects of volume control, not necessarily automatic, in sound systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments
Definitions
- the present invention relates to sound bar setting technology.
- a sound bar is a speaker system in which speakers for multiple channels are housed in the same housing. Compared to installing speakers for each channel individually, the sound bar is more efficient in installation space and easier to install. . Therefore, by using a sound bar, a surround audio reproduction environment can be easily realized even in ordinary homes with limited space (for example, Patent Document 1).
- the sound bar is placed in the center below the display device so that the optimum surround effect can be obtained at a predetermined viewing position (specifically, a position in front of the display device at a predetermined distance from the display device). , the output volume and output timing of the speakers of each channel that make up the sound bar are adjusted.
- the sound bar at the recommended position (for example, the bottom center) with respect to the display device.
- the remote control sensor is located on the lower right side of the display device, and the remote control sensor is hidden by the sound bar when the sound bar is placed in the lower center of the display device, must be offset to the left from the bottom center of the display device.
- the remote control sensor since the remote control sensor is located on the lower left side of the display device, if the remote control sensor is hidden by the sound bar when the sound bar is placed in the lower center of the display device, the sound bar should be placed so that the remote control sensor is not hidden. must be offset to the right from the bottom center of the display device.
- the sound bar cannot be installed in the lower center of the display device due to installation space constraints.
- the soundbar cannot be centered below the display, it may not be possible to achieve optimal surround audio at a given viewing position.
- the present invention has been made in view of the above circumstances, and its first object is to realize more appropriate surround audio at a predetermined viewing position even if the sound bar cannot be installed at the recommended position with respect to the display device. to do.
- a second object of the present invention is to provide a sound bar that can be expanded according to the screen size of the display device without wasting the sound bar even if the width of the sound bar is smaller than the screen width of the display device. It is to realize a certain surround audio.
- the output volume and output timing of the speakers of each channel constituting the sound bar are displayed so that the optimum surround effect can be obtained at a predetermined listening position. Adjust according to the position of the soundbar relative to the device. For example, when the sound bar is installed to the left of the lower center or upper center of the display device, the output timing of the right channel speaker is delayed by a predetermined delay time T from the output timing of the center channel speaker, and the output timing of the center channel speaker is delayed.
- the output timing is delayed from the output timing of the left channel speaker by the above-mentioned delay time T, and the output volume of the right channel speaker is smaller than the output volume of the center channel speaker by a predetermined attenuation volume V, and the center channel speaker is made smaller than the output volume of the left channel speaker by the attenuation volume V described above.
- the output timing of the left channel speaker is delayed from the output timing of the center channel speaker by the above-mentioned delay time T, and the output timing of the center channel speaker is delayed.
- the output timing is delayed from the output timing of the right channel speaker by the above-mentioned delay time T, and the output volume of the left channel speaker is made smaller than the output volume of the center channel speaker by the above attenuation volume V, and the center channel speaker is made smaller than the output volume of the speaker of the right channel by the attenuation volume V described above.
- the delay time T and attenuation volume V may be arbitrarily set by the user. Alternatively, it may be automatically calculated according to the amount of deviation of the sound bar from the lower center or upper center of the display device.
- the first aspect of the present invention is A sound bar configured by housing multiple channel speakers including at least a center channel, a left channel, and a right channel in the same housing, and a controller for setting the output volume and output timing of the multiple channel speakers.
- the controller is receiving means for receiving an installation position of the sound bar with respect to a display device that constructs a home theater system together with the sound bar; speaker characteristic determining means for determining the output volume and output timing of each of the center channel, left channel, and right channel speakers according to the installation position of the sound bar received by the receiving means; speaker characteristic setting means for setting the output volume and output timing of each of the center channel, left channel, and right channel speakers determined by the speaker characteristic determining means to the sound bar;
- the sound bar is output characteristic adjusting means for adjusting the output volume and output timing of each of the center channel, left channel, and right channel speakers in accordance with the settings of the controller;
- the speaker characteristic determination means includes: When the installation position of the sound bar received by the receiving means is to the left of the lower center or
- the output timing of the center channel speaker is delayed from the output timing of the center channel speaker.
- T the output timing of the center channel speaker is delayed by the delay time T from the output timing of the right channel speaker, and the output volume of the left channel speaker is delayed from the output volume of the center channel speaker.
- the output volume of the center channel speaker is reduced by the attenuation volume V, and the output volume of the center channel speaker is made smaller by the attenuation volume V than the output volume of the right channel speaker.
- each sound bar accommodates a Set speaker channel.
- the speakers housed in the plurality of sound bars are arranged in a first group positioned at the center of the lower portion of the display device.
- the speaker channels belonging to the first group, the speaker channels belonging to the second group, and the third group are set to the center channel, left channel, and right channel, respectively.
- the second aspect of the invention is A sound bar system comprising: a plurality of sound bars configured by housing a plurality of speakers in the same housing; and a controller for setting channels of the speakers housed in the sound bars,
- the controller is receiving means for receiving installation positions of the plurality of sound bars with respect to a display device that constructs a home theater system together with the plurality of sound bars; allocation channel determination means for determining channels to be allocated to the speakers housed in each of the plurality of sound bars according to the installation positions of the plurality of sound bars received by the reception means; channel setting means for setting the allocation channel determined by the allocation channel determination means to the speaker accommodated in the sound bar for each of the sound bars;
- the sound bar is audio control means for distributing audio signals of channels set for the speakers by the controller to the speakers housed in the sound bar;
- the allocation channel determination means When the installation positions of the plurality of sound bars received by the reception means are aligned in the screen width direction of the display device below the display device, the speakers housed in the plurality of sound bars are
- the channel assigned to the speaker, the channel assigned to the speaker belonging to the second group, and the channel assigned to the speaker belonging to the third group are determined as the center channel, the left channel, and the right channel, respectively.
- the sound bar since the output volume and output timing of the speakers of each channel constituting the sound bar are adjusted according to the installation position of the sound bar with respect to the display device, the sound bar can be positioned at the lower center of the display device. Even if you can't install it at the same place, you can get better surround audio at your given listening position.
- each sound bar when constructing a home theater system by combining a plurality of sound bars with a display device, each sound bar accommodates a sound bar according to the installation position of these sound bars with respect to the display device. If the width of your soundbar is smaller than the screen width of the display device, adding a soundbar will waste your existing soundbar. It is possible to realize spacious surround audio according to the screen size of the display device without having to do so.
- FIG. 1 is a schematic configuration diagram of a home theater system according to the first embodiment of the present invention.
- FIG. 2 is a schematic functional configuration diagram of the controller 2.
- FIG. 3 is a flowchart for explaining the operation of the controller 2.
- FIG. 4 is a diagram for explaining an example of an arrangement information input screen 200 displayed on the man-machine interface section 21 of the controller 2.
- FIG. 5(A) to 5(C) are diagrams showing an arrangement position example of the sound bar 1 with respect to the television receiver 3.
- FIG. FIG. 6 is a schematic functional configuration diagram of the sound bar 1.
- FIG. 7 is a flowchart for explaining speaker characteristic setting processing of the sound bar 1.
- FIG. FIG. 1 is a schematic configuration diagram of a home theater system according to the first embodiment of the present invention.
- FIG. 2 is a schematic functional configuration diagram of the controller 2.
- FIG. 3 is a flowchart for explaining the operation of the controller 2.
- FIG. 4 is a diagram for explaining an example of an arrangement information input screen 200 displayed on
- FIG. 8 is a schematic configuration diagram of a home theater system according to a second embodiment of the present invention.
- FIG. 9 is a schematic functional configuration diagram of the controller 2a.
- FIG. 10 is a flowchart for explaining the operation of the controller 2a.
- FIG. 11 is a diagram for explaining an example of an arrangement information input screen 200a displayed on the man-machine interface section 21 of the controller 2a.
- 12(A) and 12(B) are diagrams showing examples of arrangement positions of the sound bars 1a-1 and 1a-2 with respect to the television receiver 3.
- FIG. FIG. 13 is a schematic functional configuration diagram of the sound bar 1a.
- FIG. 14 is a flowchart for explaining the allocation channel resetting process of the sound bar 1a.
- FIG. 1 is a schematic configuration diagram of a home theater system according to this embodiment.
- the home theater system includes a television receiver 3 and a communication interface such as HDMI (registered trademark: High Definition Multimedia Interface), USB (Universal Serial Bus), and the like. It comprises a connected sound bar 1 and a controller 2 for setting the output characteristics of the sound bar 1. - ⁇ The sound bar 1 and controller 2 are interconnected via an access point 4 connected to a network 5 such as a WAN (Wide Area Network) or LAN (Local Area Network).
- a network 5 such as a WAN (Wide Area Network) or LAN (Local Area Network).
- the sound bar 1 includes a center channel speaker (CchSPK) 10-1, a left channel speaker (LchSPK) 10-2, a right channel speaker (RchSPK) 10-3, and a subwoofer channel speaker (SWchSPK) 10- 4 is a so-called one-body type sound bar, and this single unit can realize a surround audio playback environment.
- the sound bar 1 may be a so-called two-unit sound bar in which the subwoofer channel speaker 10-4 is omitted. Also in this case, by externally connecting the subwoofer channel speaker 10-4 to the sound bar 1, a surround audio reproduction environment can be realized.
- the controller 2 controls the center channel speaker 10 of the sound bar 1 so that an optimum surround effect can be obtained at a predetermined viewing position (for example, a position in front of the television receiver 3 at a predetermined distance from the television receiver 3).
- a predetermined viewing position for example, a position in front of the television receiver 3 at a predetermined distance from the television receiver 3.
- the left channel speaker 10-2, and the right channel speaker 10-3 output volume and output timing are adjusted according to the installation position of the sound bar 1 with respect to the television receiver 3.
- FIG. 2 is a schematic functional configuration diagram of the controller 2.
- the controller 2 includes a wireless interface unit 20, a man-machine interface unit 21, a sound bar information acquisition unit 22, a speaker characteristics determination unit 23, a speaker characteristics setting unit 24, a main control unit 25, have
- the wireless interface unit 20 is a communication interface for wirelessly connecting to the access point 4.
- the man-machine interface unit 21 is a user interface for displaying information to the user and receiving various operations from the user, and is composed of an input/display device such as a liquid crystal panel with a touch sensor, for example.
- the sound bar information acquisition unit 22 receives from the sound bar 1 via the wireless interface unit 20 the size information of the sound bar 1, the channel information of the speakers 10-1 to 10-4 accommodated in the sound bar 1, and the Acquire sound bar information including screen size information of the television receiver 3 to which the sound bar 1 is connected.
- the speaker characteristics determining unit 23 selects each of the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 of the sound bar 1 according to the installation position of the sound bar 1 with respect to the television receiver 3. Determine output volume and output timing.
- the speaker characteristic setting unit 24 sends the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 determined by the speaker characteristic determining unit 23 to the sound bar 1 via the wireless interface unit 20. Send setting information including the output volume and output timing of the
- the main control unit 25 controls the units 20 to 24 of the controller 2 in an integrated manner.
- the functional configuration of the controller 2 shown in FIG. 2 includes a CPU (Central Processing Unit), a memory, an auxiliary storage device such as a flash memory, a wireless LAN adapter, and an input/display device such as a liquid crystal panel with a touch sensor.
- a CPU Central Processing Unit
- the CPU loads a predetermined program from the auxiliary storage device onto the memory and executes it.
- FIG. 3 is a flowchart for explaining the operation of the controller 2.
- This flow is started when the main control unit 25 receives an operation for starting sound bar characteristic setting from the user via the man-machine interface unit 21 .
- the main control unit 25 instructs the sound bar information acquisition unit 22 to acquire sound bar information.
- the sound bar information acquisition unit 22 accesses the access point 4 via the wireless interface unit 20 and recognizes the sound bar 1 wirelessly connected to the access point 4 .
- a sound bar information acquisition request is transmitted to the sound bar 1, and the size information of the sound bar 1, the channel information of the speakers 10-1 to 10-4 accommodated in the sound bar 1, and the television connected to the sound bar 1.
- Sound bar information including screen size information of the receiver 3 is obtained from the sound bar 1 (S100).
- the main control unit 25 controls the sound bar 1 to use the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 according to the sound bar information acquired by the sound bar information acquisition unit 22.
- the man-machine interface unit 21 displays an arrangement information input screen for accepting input of the arrangement position of the sound bar 1 with respect to the television receiver 3 (S101). If the sound bar 1 does not accommodate any one of the center channel speaker 10-1, left channel speaker 10-2, and right channel speaker 10-3, a predetermined error message is sent to the man-machine interface unit 21. is displayed to end this flow.
- FIG. 4 is a diagram for explaining an example of the arrangement information input screen 200 displayed on the man-machine interface section 21 of the controller 2.
- FIG. 4 is a diagram for explaining an example of the arrangement information input screen 200 displayed on the man-machine interface section 21 of the controller 2.
- an icon 201 indicating the television receiver 3 and an icon 202 indicating the sound bar 1 are displayed.
- the display position of the icon 201 is fixed, and the user cannot move the icon 201.
- the display position of the icon 202 is variable, and the user can move the icon 202 by dragging it.
- the arrangement position of the sound bar 1 with respect to the television receiver 3 can be input.
- the sizes of the icons 201 and 202 are determined based on the screen size information of the television receiver 3 and the size information of the sound bar 1 included in the sound bar information acquired by the sound bar information acquisition unit 22.
- the ratios are set to be the same as the actual ratios of the television receiver 3 and sound bar 1 .
- a setting bar 203 for setting a delay time T which will be described later
- a setting bar 205 for setting an attenuation volume V which will be described later
- the user can arbitrarily set the delay time T by sliding the slider 204 along the setting bar 203 .
- the user can arbitrarily set the attenuation volume V by sliding the slider 206 along the setting bar 205 .
- the arrangement position is , along with the delay time T and attenuation volume V determined according to the positions of the sliders 204 and 206 on the setting bars 203 and 205 at that time, are passed to the speaker characteristic determination unit 23 .
- the output timing of the center channel speaker 10-1 is delayed from the output timing of the left channel speaker 10-2 and the right channel speaker 10-3 by the delay time T, and the output volume of the center channel speaker 10-1 is smaller than the output volume of the left channel speaker 10-2 and the right channel speaker 10-3 by the attenuation volume V, the output of the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 Timing and output volume are determined (S103).
- the speaker characteristics determination unit 23 determines that the arrangement position of the sound bar 1 with respect to the television receiver 3 received from the main control unit 25 is to the left of the lower center of the television receiver 3 as shown in FIG. 5(B). If there is ("left" in S102), the output timing of the right channel speaker 10-3 is delayed by the delay time T from the output timing of the center channel speaker 10-1, and the output timing of the center channel speaker 10-1 is delayed by the left channel speaker. The output timing of 10-2 is delayed by the delay time T, the output volume of the right channel speaker 10-3 is smaller than the output volume of the center channel speaker 10-1 by the attenuation volume V, and the output of the center channel speaker 10-1. Determine the output timing and output volume of the center channel speaker 10-1, left channel speaker 10-2, and right channel speaker 10-3 so that the volume is reduced by the attenuation volume V from the output volume of the left channel speaker 10-2. (S104).
- the speaker characteristics determination unit 23 determines that the arrangement position of the sound bar 1 with respect to the television receiver 3 received from the main control unit 25 is to the right of the lower center of the television receiver 3 as shown in FIG. 5(C). If there is ("right” in S102), the output timing of the left channel speaker 10-2 is delayed by the delay time T from the output timing of the center channel speaker 10-1, and the output timing of the center channel speaker 10-1 is set to the right channel speaker. The output timing of 10-3 is delayed by the delay time T, the output volume of the left channel speaker 10-2 is smaller than the output volume of the center channel speaker 10-1 by the attenuation volume V, and the output of the center channel speaker 10-1. Determine the output timing and output volume of the center channel speaker 10-1, left channel speaker 10-2, and right channel speaker 10-3 so that the volume is reduced by the attenuation volume V from the output volume of the right channel speaker 10-3. (S105).
- the main control unit 25 outputs the output timings and output volumes of the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 determined by the speaker characteristic determining unit 23 as sound bar information. is notified to the speaker characteristic setting unit 24 together with the address information of the sound bar 1 from which it is obtained.
- the speaker characteristic setting unit 24 sends the center channel speaker notified from the main control unit 25 to the sound bar 1 specified by the address information notified from the main control unit 25 via the wireless interface unit 20. 10-1, left channel speaker 10-2, and right channel speaker 10-3.
- the main control unit 25 inputs the layout position of the sound bar 1 with respect to the television receiver 3, the delay time T, or the attenuation volume V from the user via the layout information input screen 200 displayed on the man-machine interface unit 21 . is received (NO in S107, YES in S108), the process returns to S102. On the other hand, when an operation to end sound bar characteristic setting is received from the user via the man-machine interface unit 21 (YES in S107), this flow ends.
- FIG. 6 is a schematic functional configuration diagram of the sound bar 1.
- the sound bar 1 has an audio interface section 10, a wireless interface section 11, a speaker section 12, an output characteristic adjustment section 13, and a main control section .
- the audio interface unit 10 is an interface for receiving multi-channel audio signals from the television receiver 3, and uses communication interfaces such as HDMI (registered trademark) and USB.
- the wireless interface unit 11 is a communication interface for wirelessly connecting to the access point 4.
- the speaker unit 12 includes a center channel speaker 10-1, a left channel speaker 10-2, and a right channel speaker 10-3.
- the output characteristic adjustment unit 13 distributes the multi-channel audio signals received from the television receiver 3 via the audio interface unit 10 to the corresponding channel speakers 10-1 to 10-3 of the speaker unit 12 for each channel. In addition, the output characteristic adjustment unit 13 performs main control on each audio signal of the center channel, left channel, and right channel included in the multi-channel audio signal received from the television receiver 3 via the audio interface unit 10. In accordance with the setting information notified from the unit 14, the output timing and output volume of the corresponding channel speakers 10-1 to 10-3 of the speaker unit 12 are adjusted.
- the main control unit 14 controls the units 10 to 13 of the sound bar 1 in an integrated manner.
- the functional configuration of the sound bar 1 shown in FIG. may be implemented in software by a computer such as a signal processor.
- a computer such as a signal processor.
- a general-purpose computer such as a PC comprising a CPU, a memory, an auxiliary storage device such as a flash memory and a hard disk drive, a wireless LAN adapter, and a plurality of speakers
- the CPU reads a predetermined program from the auxiliary storage device. It may be implemented by loading it into a memory and executing it.
- FIG. 7 is a flowchart for explaining the speaker characteristic setting process of the sound bar 1.
- the main control unit 14 When the main control unit 14 receives the sound bar information acquisition request from the controller 2 via the wireless interface unit 11 (YES in S200), the size information of the sound bar 1 and the speakers 10-1 to 10- housed in the sound bar 1 are displayed. 4 channel information and screen size information of the television receiver 3 connected to the sound bar 1 is generated, and this sound bar information is transmitted to the controller 2 via the wireless interface unit 11 ( S201).
- the main control unit 14 receives setting information from the controller 2 via the wireless interface unit 11 (YES in S202), it notifies the output characteristics adjusting unit 13 of this setting information. In response to this, the output characteristic adjustment unit 13 distributes to the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 of the speaker unit 12 according to the setting information received from the main control unit 14. The output timing and output volume of the center channel audio signal, left channel audio signal, and right channel audio signal are adjusted (S203).
- each channel speaker 10-1 to 10-3 of the speaker unit 12 can be obtained so that the optimum surround effect can be obtained at a predetermined viewing position.
- the timing and output volume are adjusted according to the placement position of the soundbar 1 with respect to the television receiver 3 .
- the placement position of the sound bar 1 with respect to the television receiver 3 is at the lower center of the television receiver 3 as shown in FIG. -2 and the output timing of the right channel speaker 10-3 by the delay time T, and the output volume of the center channel speaker 10-1 is attenuated from the output volume of the left channel speaker 10-2 and the right channel speaker 10-3.
- the output timing and output volume of the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 are adjusted so that V is decreased.
- the output timing of the right channel speaker 10-3 is set to the center channel.
- the output timing of the speaker 10-1 is delayed by the delay time T
- the output timing of the center channel speaker 10-1 is delayed by the delay time T from the output timing of the left channel speaker 10-2, and the output timing of the right channel speaker 10-3 is delayed.
- the output volume of the center channel speaker 10-1 is decreased by the attenuation volume V from the output volume of the center channel speaker 10-1
- the output volume of the center channel speaker 10-1 is decreased by the attenuation volume V from the output volume of the left channel speaker 10-2.
- the output timing and output volume of the channel speaker 10-1, left channel speaker 10-2, and right channel speaker 10-3 are adjusted.
- the output timing of the left channel speaker 10-2 is set to the center channel.
- the output timing of the speaker 10-1 is delayed by the delay time T
- the output timing of the center channel speaker 10-1 is delayed by the delay time T from the output timing of the right channel speaker 10-3
- the output timing of the left channel speaker 10-2 is delayed.
- the output volume of the center channel speaker 10-1 is decreased by the attenuation volume V from the output volume of the center channel speaker 10-1
- the output volume of the center channel speaker 10-1 is decreased by the attenuation volume V from the output volume of the right channel speaker 10-3.
- the output timing and output volume of the channel speaker 10-1, left channel speaker 10-2, and right channel speaker 10-3 are adjusted.
- the output timing and the output volume of the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 accommodated in the sound bar 1 are adjusted to the sound for the television receiver 3. Since the adjustment is made according to the installation position of the bar 1, even if the sound bar 1 cannot be installed in the lower center of the television receiver 3, it can be installed at a predetermined viewing position (for example, a television at a predetermined distance from the television receiver 3). A more appropriate surround audio can be achieved at a position in front of the receiver 3).
- the user can select the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker via the layout information input screen 200 displayed on the man-machine interface unit 21 of the controller 2.
- the delay time T and attenuation volume V for adjusting the output timing and output volume of 10-3 can be changed. Therefore, according to the present embodiment, the user listens to the surround audio output from the sound bar 1 (reproduced sound of multi-channel audio signals output from the television receiver 3) at a predetermined viewing position, Delay time T and attenuation volume V can be determined so as to provide optimal surround audio, improving convenience.
- the delay time T and attenuation volume V for adjusting the output timing and output volume of the center channel speaker 10-1, left channel speaker 10-2, and right channel speaker 10-3 are controlled by a controller.
- the present invention is not limited to this.
- the amount of deviation of the installation position of the sound bar 1 from the lower center of the television receiver 3 may be received via the layout information input screen 200 displayed on the man-machine interface unit 21 of the controller 2 .
- the speaker characteristic determining unit 23 of the controller 2 determines the amount of deviation of the installation position of the sound bar 1, the distance between the center channel speaker 10-1 and each of the left channel speaker 10-2 and the right channel speaker 10-3. and the distance from the predetermined listening position to the television receiver 3, the distance from the predetermined listening position to the center channel speaker 10-1, and the left channel speaker 10-2 and the light from the predetermined listening position. It is also possible to calculate the distance to each channel speaker 10-3 and determine the above-described delay time T and attenuation volume V based on the difference between these distances.
- the case where the recommended installation position of the sound bar 1 is the lower center of the television receiver 3 is taken as an example. It can also be applied to a position other than the lower center of the receiver 3 (for example, the upper center of the television receiver 3).
- FIG. 8 is a schematic configuration diagram of a home theater system according to this embodiment.
- the home theater system includes a television receiver 3, a sound bar 1a-1 connected to the television receiver 3 via a communication interface such as HDMI (registered trademark) or USB, A sound bar 1a-2 connected to the sound bar 1a-1 via a communication interface such as HDMI (registered trademark) or USB (hereinafter, the sound bars 1a-1 and 1a-2 are also simply referred to as the sound bar 1a); and a controller 2a for setting the allocation channel of 1a.
- the soundbar 1a and controller 2a are interconnected via an access point 4 connected to a network 5 such as WAN, LAN or the like.
- the sound bar 1a incorporates a center channel speaker (CchSPK) 10-1, a left channel speaker (LchSPK) 10-2, a right channel speaker (RchSPK) 10-3, and a subwoofer channel speaker (SWchSPK) 10- 4 is omitted, and the subwoofer channel speaker 10-4 is externally connected to the sound bar 1a-1.
- the sound bar 1a may be a so-called one-body type sound bar with built-in subwoofer channel speaker 10-4.
- the controller 2a controls the soundbars 1a-1 and 1a-2 so as to provide optimal surround audio at a predetermined viewing position (for example, a position in front of the television receiver 3 at a predetermined distance from the television receiver 3).
- a predetermined viewing position for example, a position in front of the television receiver 3 at a predetermined distance from the television receiver 3.
- the assigned channels of the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 are reset.
- FIG. 9 is a schematic functional configuration diagram of the controller 2a.
- the controller 2a includes a wireless interface unit 20, a man-machine interface unit 21, a sound bar information acquisition unit 22, an allocation channel determination unit 26, an allocation channel setting unit 27, a main control unit 25, have
- the wireless interface unit 20 is a communication interface for wirelessly connecting to the access point 4.
- the man-machine interface unit 21 is a user interface for displaying information to the user and receiving various operations from the user, and is composed of an input/display device such as a liquid crystal panel with a touch sensor, for example.
- the sound bar information acquisition unit 22 receives from the sound bar 1a via the wireless interface unit 20 the size information of the sound bar 1a, the channel information of the speakers 10-1 to 10-3 accommodated in the sound bar 1a, and the When the connection destination of the sound bar 1a is the television receiver 3, the sound bar information including the screen size information is acquired.
- the allocation channel determination unit 26 selects the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10- of each of the sound bars 1a according to the installation positions of the plurality of sound bars 1a with respect to the television receiver 3. 3 allocation channels are determined.
- the allocation channel setting unit 27 selects the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 of the sound bar 1a determined by the allocation channel determination unit 26 for each sound bar 1a. is transmitted to the sound bar 1a through the wireless interface unit 20.
- the main control unit 25 comprehensively controls the units 20 to 22, 26, and 27 of the controller 2a.
- the functional configuration of the controller 2a shown in FIG. 9 is similar to the controller 2 of the first embodiment shown in FIG.
- a wireless terminal such as a smart phone or a tablet PC equipped with an input/display device such as a liquid crystal panel with a sensor
- the CPU loads a predetermined program from the auxiliary storage device into the memory and executes it.
- FIG. 10 is a flowchart for explaining the operation of the controller 2a.
- This flow is started when the main control unit 25 receives an operation to start sound bar allocation channel setting from the user via the man-machine interface unit 21 .
- the main control unit 25 instructs the sound bar information acquisition unit 22 to acquire sound bar information.
- the sound bar information acquisition section 22 accesses the access point 4 via the wireless interface section 20 and recognizes the plurality of sound bars 1 a wirelessly connected to the access point 4 .
- a sound bar information acquisition request is transmitted to each sound bar 1a, and size information of the sound bar 1a from each sound bar 1a, channel information of the speaker accommodated in the sound bar 1a, and connection destination of the sound bar 1a receive television reception. If it is the device 3, the sound bar information including the screen size information is obtained (S300).
- size information of the sound bar 1a-1 size information of the sound bar 1a-1, channel information (center channel, left channel, right channel) of the speakers 10-1 to 10-3 accommodated in the sound bar 1a-1, television sound bar information including screen size information of the receiver 3, and from the sound bar 1a-2, the size information of the sound bar 1a-2 and the speakers 10-1 to 10-3 accommodated by the sound bar 1a-2.
- Get soundbar information including channel information (center channel, left channel, right channel).
- the main control unit 25 determines whether the sound bars 1a-1 and 1a-2 are connected to the center channel speaker 10 according to the sound bar information of the sound bars 1a-1 and 1a-2 obtained by the sound bar information obtaining unit 22. -1, the left channel speaker 10-2, and the right channel speaker 10-3 are accommodated, and the input of the arrangement positions of the sound bars 1a-1 and 1a-2 with respect to the television receiver 3 is accepted.
- the layout information input screen for the purpose is displayed on the man-machine interface unit 21 (S301).
- FIG. 11 is a diagram for explaining an example of the arrangement information input screen 200a displayed on the man-machine interface section 21 of the controller 2a.
- an icon 201 representing the television receiver 3 an icon 203-1 representing the sound bar 1a-1, and an icon 203-2 representing the sound bar 1a-2 are displayed.
- the display position of the icon 201 is fixed and the user cannot move the icon 201, but the display positions of the icons 203-1 and 203-2 are variable, and the user can move the icons 203-1 and 203 By dragging and moving -2, it is possible to input the layout positions of the sound bars 1a-1 and 1a-2 with respect to the television receiver 3 via this layout information input screen 200a.
- the sizes of the icons 201, 203-1, and 203-2 are the screen size information of the television receiver 3 included in the sound bar information of the sound bar 1a-1 acquired by the sound bar information acquiring unit 22 and The icon 201, the The size ratios of 203-1 and 203-2 are set to be the same as the actual ratios of the television receiver 3 and soundbars 1a-1 and 1a-2.
- the allocation channel determination unit 26 determines that the arrangement positions of the sound bars 1a-1 and 1a-2 with respect to the television receiver 3 received from the main control unit 25 are the same as those of the television receiver 3 as shown in FIG. 12(A).
- the plurality of speakers accommodated in the sound bars 1a-1 and 1a-2 are arranged in the following first to third groups, for example. classified into A first group located in the lower center of the television receiver 3 (in the example shown in FIG. 12A, the right channel speaker 10-3 of the sound bar 1a-1 and the left channel speaker 10- of the sound bar 1a-2 2) A second group located on the left side of the lower center of the television receiver 3 (in the example shown in FIG.
- the center channel speaker 10-1 and the left channel speaker 10-2 of the sound bar 1a-1) A third group located on the right side of the lower center of the television receiver 3 (in the example shown in FIG. 12A, the center channel speaker 10-1 and the right channel speaker 10-3 of the sound bar 1a-2) Then, the channel assigned to the speakers belonging to the first group is determined as the center channel, the channel assigned to the speakers belonging to the second group is determined as the left channel, and the channel assigned to the speakers belonging to the third group is determined as the right channel. (S303).
- the allocation channel determination unit 26 determines the placement positions of the sound bars 1a-1 and 1a-2 with respect to the television receiver 3 received from the main control unit 25 as shown in FIG. 12B. are arranged in the vertical direction of the television receiver 3 (“up and down” in S302), the plurality of speakers accommodated in the sound bars 1a-1 and 1a-2 are arranged in the following first to sixth groups, for example. Classify. - The first group located in the lower center of the television receiver 3 (in the example shown in FIG. 12(B), the center channel speaker 10-1 of the sound bar 1a-1) A second group located on the left side of the lower center of the television receiver 3 (in the example shown in FIG.
- the channel assigned to the speakers belonging to the first group is determined to be the center channel
- the channel assigned to the speakers belonging to the second group is determined to be the left channel
- the channel assigned to the speakers belonging to the third group is determined to be the right channel
- the channel assigned to the speakers belonging to the fourth group is determined to be the height center channel
- the channel assigned to the speakers belonging to the fifth group is determined to be the high left channel
- the channel assigned to the speakers belonging to the sixth group is determined to be the highlight channel. Determine (S304).
- the main control unit 25 selects the allocation channels of the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 determined by the allocation channel determining unit 26 for each sound bar 1a. , is notified to the allocation channel setting unit 27 together with the address information of the sound bar 1a.
- the allocation channel setting unit 27 assigns each of the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 notified by the main control unit 25 for each sound bar 1a.
- the setting information including the channel is transmitted to the sound bar 1a through the wireless interface section 20 based on the address information of the sound bar 1a notified from the main control section 25 (S305).
- the main control unit 25 allows the user to change the placement positions of the sound bars 1a-1 and 1a-2 with respect to the television receiver 3 via the placement information input screen 200a displayed on the man-machine interface unit 21. is received (NO in S306, YES in S307), the process returns to S302. On the other hand, when an operation to end sound bar characteristic setting is received from the user via the man-machine interface unit 21 (YES in S306), this flow ends.
- FIG. 13 is a schematic functional configuration diagram of the sound bar 1a.
- the sound bar 1a includes an audio input interface section 15, an audio output interface section 16, a wireless interface section 11, a speaker section 12, a subwoofer connection section 17, an audio control section 18, and a main control section. 14 and.
- the audio input interface unit 15 is an interface for receiving multi-channel audio signals from the television receiver 3 or another sound bar 1a, and uses communication interfaces such as HDMI (registered trademark) and USB.
- the audio output interface unit 16 is an interface for transmitting multi-channel audio signals to another sound bar 1a, and uses communication interfaces such as HDMI (registered trademark) and USB.
- the wireless interface unit 11 is a communication interface for wirelessly connecting to the access point 4.
- the speaker unit 12 includes a center channel speaker 10-1, a left channel speaker 10-2, and a right channel speaker 10-3.
- the subwoofer connection unit 17 is an interface for connecting the subwoofer channel speaker 10-4.
- the audio control unit 18 resets the assigned channels to the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 of the speaker unit 12 according to the setting information notified from the main control unit 14. do. Then, the audio signals of the center channel, left channel, and right channel included in the multi-channel audio signals received from the television receiver 3 or another sound bar 1a via the audio input interface unit 15 are output to the respective speakers. Output to the speakers 10-1 to 10-3 whose assigned channels corresponding to the unit 12 are reset.
- the audio control unit 18 receives multi-channel sound from the television receiver 3 or another sound bar 1a via the audio input interface unit 15.
- the subwoofer channel audio signal included in the audio signal is output to the subwoofer connection unit 17 .
- the main control unit 14 comprehensively controls each unit 11, 12, 15-18 of the sound bar 1a.
- the functional configuration of the sound bar 1a shown in FIG. 13 is realized in terms of hardware by an integrated logic IC such as ASIC, FPGA, etc., similar to the functional configuration of the sound bar 1 of the first embodiment shown in FIG.
- it may be implemented in software by a computer such as a DSP.
- a general-purpose computer such as a PC comprising a CPU, a memory, an auxiliary storage device such as a flash memory and a hard disk drive, a wireless LAN adapter, and a plurality of speakers
- the CPU reads a predetermined program from the auxiliary storage device. It may be implemented by loading it into a memory and executing it.
- FIG. 14 is a flowchart for explaining the allocation channel resetting process of the sound bar 1a.
- the main control unit 14 When the main control unit 14 receives the sound bar information acquisition request from the controller 2a via the wireless interface unit 11 (YES in S400), the size information of the sound bar 1a and the speakers 10-1 to 10- housed in the sound bar 1a are displayed. 3 channel information, and if the television receiver 3 is connected to the sound bar 1, sound bar information including screen size information is generated, and this sound bar information is sent to the controller via the wireless interface unit 11. 2a (S401).
- the main control unit 14 receives setting information from the controller 2a via the wireless interface unit 11 (YES in S402), it notifies the audio control unit 18 of this setting information.
- the audio control unit 18 sets the center channel speaker 10-1, the left channel speaker 10-2, and the right channel speaker 10-3 of the speaker unit 12 according to the setting information received from the main control unit 14.
- the assigned channel assigned to each speaker in the information is reset (S403).
- the sound bars 1a-1 and 1a-2 are positioned below the television receiver 3 in the order of the sound bars 1a-1 and 1a-2 from the left.
- the center channel is reset as the assigned channel to the right channel speaker 10-3 of the sound bar 1a-1 and the left channel speaker 10-2 of the sound bar 1a-2, and the sound bar 1a- 1 to the center channel speaker 10-1 and the left channel speaker 10-2 of the sound bar 1a-2, and to the center channel speaker 10-1 and the right channel speaker 10-3 of the sound bar 1a-2, Reset the light channel as the assigned channel.
- the sound bar 1a-1 is positioned below the television receiver 3, and the sound bar 1a-2 is positioned above the television receiver 3.
- the center channel is reset as the assigned channel to the center channel speaker 10-1 of the sound bar 1a-1
- the sound bar The left channel is reset as the allocation channel to the left channel speaker 10-2 of the sound bar 1a-1
- the right channel is reset as the allocation channel to the right channel speaker 10-3 of the sound bar 1a-1
- the center channel speaker 10-1 of the sound bar 1a-2 is reset to the height center channel as the allocation channel
- the left channel speaker 10-2 of the sound bar 1a-2 is reset to the high left channel as the allocation channel
- the highlight channel is reset as the assigned channel to the right channel speaker 10-3 of 1a-2.
- the sound bars 1a-1 and 1a-2 are combined with the television receiver 3 to construct a home theater system, these sound bars 1a-1 and 1a- for the television receiver 3. 2, the channels assigned to the speakers 10-1 to 10-3 housed in each of the sound bars 1a-1 and 1a-2 are reset. Even if the width of the existing sound bar 1a-1 is smaller than the screen width of the television receiver 3 due to the replacement, the previously used sound bar 1a can be restored by adding the sound bar 1a-2. It is possible to realize spacious surround audio corresponding to the screen size of the television receiver 3 without wasting -1.
- the controller 2a sets the output timing of the speaker for which the center channel and the height center channel are reset as the allocated channels, and the left channel, the high left channel, the right channel, and the highlight channel as the allocated channels, respectively.
- the reset output timing of the speaker is delayed by the delay time T, and the output volume of the speaker reset with the center channel and the height center channel as the allocation channels is set to the left channel, the high left channel and the right channel as the allocation channels,
- the output timing and output volume of each speaker are determined so that the output volume of each speaker whose highlight channel is reset is reduced by the attenuation volume V, and this information is sent to the soundbars 1a-1 and 1a-2. It may be included in the setting information to be transmitted.
- the soundbars 1a-1 and 1a-2 have speakers 10-1 to 10- that are respectively reset with a center channel, a height center channel, a left channel, a high left channel, a right channel, and a highlight channel as allocated channels. 3 may be adjusted according to the setting information received from the controller 2a. By doing so, more natural surround audio can be realized at a predetermined viewing position (for example, a position in front of the television receiver 3 at a predetermined distance from the television receiver 3).
- the output timing and the output volume of the speakers 10-1 to 10-3 whose allocated channels are the center channel, the height center channel, the left channel, the high left channel, the right channel, and the highlight channel are respectively reset are adjusted.
- the delay time T and the attenuation volume V for the control may be received from the user via the layout information input screen 200a displayed on the man-machine interface section 21 of the controller 2a. By doing so, the user can listen to the surround audio output from the sound bars 1a-1 and 1a-2 (playback sound of multi-channel audio signals output from the television receiver 3) at a predetermined viewing position.
- the delay time T and the attenuation volume V can be determined so as to obtain optimum surround audio, thereby improving convenience.
- the present invention is not limited to this.
- the present invention is similarly applicable to the case of realizing surround audio using three or more sound bars 1a.
- the plurality of sound bars 1a-1 and 1a-2 are arranged below the television receiver 3. and sound bars 1a-1 and 1a-2 below and above the television receiver 3.
- a plurality of sound bars above the television receiver 3 When the sound bars 1a-1 and 1a-2 are arranged in the screen width direction of the television receiver 3, one or more sound bars 1a-1 and 1a-2 are arranged above and below the television receiver 3, respectively. It can also be applied when arranging.
- the sound bars 1 and 1a are combined with the television receiver 3 to construct a home theater system.
- the invention is not so limited.
- INDUSTRIAL APPLICABILITY The present invention can be widely applied to building a home theater system by combining sound bars 1 and 1a with an AV (Audio Visual) device.
- communication between the soundbars 1, 1a and the controllers 2, 2a is performed via the access point 4, but the present invention is not limited to this.
- Communication between the sound bars 1, 1a and the controllers 2, 2a may be performed by short-range wireless communication such as Bluetooth (registered trademark).
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Abstract
Description
少なくともセンターチャンネル、レフトチャンネル、およびライトチャンネルを含む複数チャンネルのスピーカが同じ筐体に収容されて構成されたサウンドバーと、前記複数チャンネルのスピーカの出力音量および出力タイミングを設定するコントローラと、を備えたサウンドバーシステムであって、
前記コントローラは、
前記サウンドバーとともにホームシアターシステムを構築する表示装置に対する前記サウンドバーの設置位置を受け付ける受付手段と、
前記受付手段により受け付けた前記サウンドバーの設置位置に応じて、前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを決定するスピーカ特性決定手段と、
前記スピーカ特性決定手段により決定された前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを前記サウンドバーに設定するスピーカ特性設定手段と、を有し、
前記サウンドバーは、
前記コントローラの設定に従い、前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを調整する出力特性調整手段を有し、
前記スピーカ特性決定手段は、
前記受付手段により受け付けた前記サウンドバーの設置位置が、前記表示装置の下方中央または上方中央より左側である場合、前記ライトチャンネルのスピーカの出力タイミングを前記センターチャンネルのスピーカの出力タイミングより所定の遅延時間Tだけ遅く、かつ前記センターチャンネルのスピーカの出力タイミングを前記レフトチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅くするとともに、前記ライトチャンネルのスピーカの出力音量を前記センターチャンネルのスピーカの出力音量より所定の減衰音量Vだけ小さくし、かつ前記センターチャンネルのスピーカの出力音量を前記レフトチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さくし、
前記受付手段により受け付けた前記サウンドバーの設置位置が、前記表示装置の下方中央または上方中央より右側である場合、前記レフトチャンネルのスピーカの出力タイミングを前記センターチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅く、かつ前記センターチャンネルのスピーカの出力タイミングを前記ライトチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅くするとともに、前記レフトチャンネルのスピーカの出力音量を前記センターチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さく、かつ前記センターチャンネルのスピーカの出力音量を前記ライトチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さくする。
複数のスピーカが同じ筐体に収容されて構成された複数のサウンドバーと、前記サウンドバーに収容されているスピーカのチャンネルを設定するコントローラと、を備えたサウンドバーシステムであって、
前記コントローラは、
前記複数のサウンドバーとともにホームシアターシステムを構築する表示装置に対する前記複数のサウンドバーの設置位置を受け付ける受付手段と、
前記受付手段により受け付けた前記複数のサウンドバーの設置位置に応じて、前記複数のサウンドバー各々に収容されたスピーカに割り当てるチャンネルを決定する割当チャンネル決定手段と、
前記サウンドバー毎に、当該サウンドバーに収容されたスピーカに、前記割当チャンネル決定手段により決定された割当チャンネルを設定するチャンネル設定手段と、を有し、
前記サウンドバーは、
自サウンドバーに収容されたスピーカに、前記コントローラにより当該スピーカに設定されたチャンネルのオーディオ信号を振り分けるオーディオ制御手段を有し、
前記割当チャンネル決定手段は、
前記受付手段により受け付けた前記複数のサウンドバーの設置位置が、前記表示装置の下方において前記表示装置の画面幅方向に並ぶ場合、前記複数のサウンドバーに収容されたスピーカを、前記表示装置の下方中央に位置する第1グループ、前記表示装置の下方中央より左側に位置する第2グループ、および、前記表示装置の下方中央より右側に位置する第3グループに分類して、前記第1グループに属するスピーカに割り当てるチャンネル、前記第2グループに属するスピーカに属するスピーカに割り当てるチャンネル、および前記第3グループに属するスピーカに割り当てるチャンネルを、それぞれ、センターチャンネル、レフトチャンネル、およびライトチャンネルに決定する。
まず、本発明の第1実施の形態について説明する。
介してユーザからサウンドバー特性設定の終了操作を受け付けると(S107でYES)、本フローを終了する。
つぎに、本発明の第2実施の形態について説明する。
・テレビジョン受信機3の下方中央に位置する第1グループ(図12(A)に示す例では、サウンドバー1a-1のライトチャンネルスピーカ10-3およびサウンドバー1a-2のレフトチャンネルスピーカ10-2)
・テレビジョン受信機3の下方中央より左側に位置する第2グループ(図12(A)に示す例では、サウンドバー1a-1のセンターチャンネルスピーカ10-1およびレフトチャンネルスピーカ10-2)
・テレビジョン受信機3の下方中央より右側に位置する第3グループ(図12(A)に示す例では、サウンドバー1a-2のセンターチャンネルスピーカ10-1およびライトチャンネルスピーカ10-3)
そして、第1グループに属するスピーカの割当チャンネルをセンターチャンネルに決定し、第2グループに属するスピーカの割当チャンネルをレフトチャンネルに決定し、そして、第3グループに属するスピーカの割当チャンネルをライトチャンネルに決定する(S303)。
・テレビジョン受信機3の下方中央に位置する第1グループ(図12(B)に示す例では、サウンドバー1a-1のセンターチャンネルスピーカ10-1)
・テレビジョン受信機3の下方中央より左側に位置する第2グループ(図12(B)に示す例では、サウンドバー1a-1のレフトチャンネルスピーカ10-2)
・テレビジョン受信機3の下方中央より右側に位置する第3グループ(図12(B)に示す例では、サウンドバー1a-1のライトチャンネルスピーカ10-3)
・テレビジョン受信機3の上方中央に位置する第4グループ(図12(B)に示す例では、サウンドバー1a-2のセンターチャンネルスピーカ10-1)
・テレビジョン受信機3の上方中央より左側に位置する第5グループ(図12(B)に示す例では、サウンドバー1a-2のレフトチャンネルスピーカ10-2)
・テレビジョン受信機3の上方中央より右側に位置する第6グループ(図12(B)に示す例では、サウンドバー1a-2のライトチャンネルスピーカ10-3)
そして、第1グループに属するスピーカの割当チャンネルをセンターチャンネルに決定し、第2グループに属するスピーカの割当チャンネルをレフトチャンネルに決定し、第3グループに属するスピーカの割当チャンネルをライトチャンネルに決定し、第4グループに属するスピーカの割当チャンネルをハイトセンターチャンネルに決定し、第5グループに属するスピーカの割当チャンネルをハイトレフトチャンネルに決定し、そして、第6グループに属するスピーカの割当チャンネルをハイトライトチャンネルに決定する(S304)。
3:テレビジョン受信機 4:アクセスポイント 5:ネットワーク
10:オーディオインターフェース部 11:無線インターフェース部
12:スピーカ部 13:出力特性調整部 14:主制御部
15:オーディオ入力インターフェース部
16:オーディオ出力インターフェース部 17:サブウーファ接続部
18:オーディオ制御部 20:無線インターフェース部
21:マンマシンインターフェース部 22:サウンドバー情報取得部
23:スピーカ特性決定部 24:スピーカ特性設定部 25:主制御部
26:割当チャンネル決定部 27:割当チャンネル設定部
Claims (14)
- 少なくともセンターチャンネル、レフトチャンネル、およびライトチャンネルを含む複数チャンネルのスピーカが同じ筐体に収容されて構成されたサウンドバーと、前記複数チャンネルのスピーカの出力音量および出力タイミングを設定するコントローラと、を備えたサウンドバーシステムであって、
前記コントローラは、
前記サウンドバーとともにホームシアターシステムを構築する表示装置に対する前記サウンドバーの設置位置を受け付ける受付手段と、
前記受付手段により受け付けた前記サウンドバーの設置位置に応じて、前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを決定するスピーカ特性決定手段と、
前記スピーカ特性決定手段により決定された前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを前記サウンドバーに設定するスピーカ特性設定手段と、を有し、
前記サウンドバーは、
前記コントローラの設定に従い、前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを調整する出力特性調整手段を有し、
前記スピーカ特性決定手段は、
前記受付手段により受け付けた前記サウンドバーの設置位置が、前記表示装置の下方中央または上方中央より左側である場合、前記ライトチャンネルのスピーカの出力タイミングを前記センターチャンネルのスピーカの出力タイミングより遅延時間Tだけ遅く、かつ前記センターチャンネルのスピーカの出力タイミングを前記レフトチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅くするとともに、前記ライトチャンネルのスピーカの出力音量を前記センターチャンネルのスピーカの出力音量より減衰音量Vだけ小さく、かつ前記センターチャンネルのスピーカの出力音量を前記レフトチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さくし、
前記受付手段により受け付けた前記サウンドバーの設置位置が、前記表示装置の下方中央または上方中央より右側である場合、前記レフトチャンネルのスピーカの出力タイミングを前記センターチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅く、かつ前記センターチャンネルのスピーカの出力タイミングを前記ライトチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅くするとともに、前記レフトチャンネルのスピーカの出力音量を前記センターチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さく、かつ前記センターチャンネルのスピーカの出力音量を前記ライトチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さくする
ことを特徴とするサウンドバーシステム。 - 請求項1に記載のサウンドバーシステムであって、
前記スピーカ特性決定手段は、
前記受付手段により受け付けた前記サウンドバーの設置位置が、前記表示装置の下方中央または上方中央である場合、前記センターチャンネルのスピーカの出力タイミングを前記レフトチャンネルおよび前記ライトチャンネル各々のスピーカの出力タイミングより前記遅延時間Tだけ遅くするとともに、前記センターチャンネルのスピーカの出力音量を前記レフトチャンネルおよび前記ライトチャンネル各々のスピーカの出力音量より前記減衰音量Vだけ小さくする ことを特徴とするサウンドバーシステム。 - 請求項1または2に記載のサウンドバーシステムであって、
前記受付手段は、前記遅延時間Tおよび前記減衰音量Vの入力を受け付ける ことを特徴とするサウンドバーシステム。 - 請求項1または2に記載のサウンドバーシステムであって、
前記受付手段は、前記サウンドバーの設置位置の、前記表示装置の下方中央または上方中央からのずれ量を受け付け、
前記スピーカ特性決定手段は、前記受付手段により受け付けた前記ずれ量に基づいて、前記遅延時間Tおよび前記減衰音量Vを算出する
ことを特徴とするサウンドバーシステム。 - 複数のスピーカが同じ筐体に収容されて構成された複数のサウンドバーと、前記サウンドバーに収容されているスピーカのチャンネルを設定するコントローラと、を備えたサウンドバーシステムであって、
前記コントローラは、
前記複数のサウンドバーとともにホームシアターシステムを構築する表示装置に対する前記複数のサウンドバーの設置位置を受け付ける受付手段と、
前記受付手段により受け付けた前記複数のサウンドバーの設置位置に応じて、前記複数のサウンドバー各々に収容されたスピーカに割り当てるチャンネルを決定する割当チャンネル決定手段と、
前記サウンドバー毎に、当該サウンドバーに収容されたスピーカに、前記割当チャンネル決定手段により決定されたチャンネルを設定する割当チャンネル設定手段と、を有し、
前記サウンドバーは、
自サウンドバーに収容されたスピーカに、前記コントローラにより当該スピーカに設定されたチャンネルのオーディオ信号を出力するオーディオ制御手段を有し、
前記割当チャンネル決定手段は、
前記受付手段により受け付けた前記複数のサウンドバーの設置位置が、前記表示装置の下方において前記表示装置の画面幅方向に並ぶ場合、前記複数のサウンドバーに収容されたスピーカを、前記表示装置の下方中央に位置する第1グループ、前記表示装置の下方中央より左側に位置する第2グループ、および、前記表示装置の下方中央より右側に位置する第3グループに分類して、前記第1グループに属するスピーカに割り当てるチャンネル、前記第2グループに属するスピーカに属するスピーカに割り当てるチャンネル、および前記第3グループに属するスピーカに割り当てるチャンネルを、それぞれ、センターチャンネル、レフトチャンネル、およびライトチャンネルに決定する
ことを特徴とするサウンドバーシステム。 - 請求項5に記載のサウンドバーシステムであって、
前記割当チャンネル決定手段は、
前記受付手段により受け付けた前記複数のサウンドバーの設置位置が、前記表示装置を挟んで前記表示装置の上下方向に並ぶ場合、前記表示装置の下方に設置されたサウンドバーに収容されたスピーカを、前記表示装置の下方中央に位置する第1グループ、前記表示装置の下方中央より左側に位置する第2グループ、および、前記表示装置の下方中央より右側に位置する第3グループに分類するとともに、前記表示装置の上方に設置されたサウンドバーに収容されたスピーカを、前記表示装置の上方中央に位置する第4グループ、前記表示装置の上方中央より左側に位置する第5グループ、および、前記表示装置の上方中央より右側に位置する第6グループに分類して、前記第1グループに属するスピーカに割り当てるチャンネル、前記第2グループに属するスピーカに属するスピーカに割り当てるチャンネル、および前記第3グループに属するスピーカに属するスピーカに割り当てるチャンネルを、それぞれ、センターチャンネル、レフトチャンネル、およびライトチャンネルに決定するとともに、前記第4グループに属するスピーカに割り当てるチャンネル、前記第5グループに属するスピーカに属するスピーカに割り当てるチャンネル、および前記第6グループに属するスピーカに属するスピーカに割り当てるチャンネルを、それぞれ、ハイトセンターチャンネル、ハイトレフトチャンネル、およびハイトライトチャンネルに決定する
ことを特徴とするサウンドバーシステム。 - 少なくともセンターチャンネル、レフトチャンネル、およびライトチャンネルを含む複数チャンネルのスピーカが同じ筐体に収容されて構成されたサウンドバーであって、 コントローラの設定に従い、前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを調整する出力特性調整手段を有する
ことを特徴とするサウンドバー。 - 複数のスピーカが同じ筐体に収容されて構成された複数のサウンドバーであって、
前記スピーカ毎に、コントローラによって当該スピーカに設定されたチャンネルのオーディオ信号を振り分けるオーディオ制御手段を有する
ことを特徴とするサウンドバー。 - サウンドバーに収容されたセンターチャンネル、レフトチャンネル、およびライトチャンネルのスピーカの出力音量および出力タイミングを設定するコントローラであって、
前記サウンドバーとともにホームシアターシステムを構築する表示装置に対する前記サウンドバーの設置位置を受け付ける受付手段と、
前記受付手段により受け付けた前記サウンドバーの設置位置に応じて、前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを決定するスピーカ特性決定手段と、
前記スピーカ特性決定手段により決定された前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを前記サウンドバーに設定するスピーカ特性設定手段と、を有し、
前記スピーカ特性決定手段は、
前記受付手段により受け付けた前記サウンドバーの設置位置が、前記表示装置の下方中央または上方中央より左側である場合、前記ライトチャンネルのスピーカの出力タイミングを前記センターチャンネルのスピーカの出力タイミングより遅延時間Tだけ遅く、かつ前記センターチャンネルのスピーカの出力タイミングを前記レフトチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅くするとともに、前記ライトチャンネルのスピーカの出力音量を前記センターチャンネルのスピーカの出力音量より減衰音量Vだけ小さく、かつ前記センターチャンネルのスピーカの出力音量を前記レフトチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さくし、
前記受付手段により受け付けた前記サウンドバーの設置位置が、前記表示装置の下方中央または上方中央より右側である場合、前記レフトチャンネルのスピーカの出力タイミングを前記センターチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅く、かつ前記センターチャンネルのスピーカの出力タイミングを前記ライトチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅くするとともに、前記レフトチャンネルのスピーカの出力音量を前記センターチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さく、かつ前記センターチャンネルのスピーカの出力音量を前記ライトチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さくする
ことを特徴とするサウンドバー。 - 複数のサウンドバーに収容されているスピーカのチャンネルを設定するコントローラであって、
前記複数のサウンドバーとともにホームシアターシステムを構築する表示装置に対する前記複数のサウンドバーの設置位置を受け付ける受付手段と、
前記受付手段により受け付けた前記複数のサウンドバーの設置位置に応じて、前記複数のサウンドバー各々に収容されたスピーカに割り当てるチャンネルを決定する割当チャンネル決定手段と、
前記サウンドバー毎に、当該サウンドバーに収容されたスピーカに、前記割当チャンネル決定手段により決定されたチャンネルを設定する割当チャンネル設定手段と、を有し、
前記割当チャンネル決定手段は、
前記受付手段により受け付けた前記複数のサウンドバーの設置位置が、前記表示装置の下方において前記表示装置の画面幅方向に並ぶ場合、前記複数のサウンドバーに収容されたスピーカを、前記表示装置の下方中央に位置する第1グループ、前記表示装置の下方中央より左側に位置する第2グループ、および、前記表示装置の下方中央より右側に位置する第3グループに分類して、前記第1グループに属するスピーカに割り当てるチャンネル、前記第2グループに属するスピーカに属するスピーカに割り当てるチャンネル、および前記第3グループに属するスピーカに割り当てるチャンネルを、それぞれ、センターチャンネル、レフトチャンネル、およびライトチャンネルに決定する ことを特徴とするサウンドバー。 - サウンドバーに収容されたセンターチャンネル、レフトチャンネル、およびライトチャンネルのスピーカの出力音量および出力タイミングを設定するコントローラとして、コンピュータを機能させるプログラムであって、 前記サウンドバーとともにホームシアターシステムを構築する表示装置に対する前記サウンドバーの設置位置を受け付ける受付手段、
前記受付手段により受け付けた前記サウンドバーの設置位置に応じて、前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを決定するスピーカ特性決定手段、および
前記スピーカ特性決定手段により決定された前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを前記サウンドバーに設定するスピーカ特性設定手段として、前記コンピュータを機能させ、
前記スピーカ特性決定手段は、
前記受付手段により受け付けた前記サウンドバーの設置位置が前記表示装置の下方中央または上方中央より左側である場合、前記ライトチャンネルのスピーカの出力タイミングを前記センターチャンネルのスピーカの出力タイミングより遅延時間Tだけ遅く、かつ前記センターチャンネルのスピーカの出力タイミングを前記レフトチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅くするとともに、前記ライトチャンネルのスピーカの出力音量を前記センターチャンネルのスピーカの出力音量より減衰音量Vだけ小さく、かつ前記センターチャンネルのスピーカの出力音量を前記レフトチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さくし、 前記受付手段により受け付けた前記サウンドバーの設置位置が前記表示装置の下方中央または上方中央より右側である場合、前記レフトチャンネルのスピーカの出力タイミングを前記センターチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅く、かつ前記センターチャンネルのスピーカの出力タイミングを前記ライトチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅くするとともに、前記レフトチャンネルのスピーカの出力音量を前記センターチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さく、かつ前記センターチャンネルのスピーカの出力音量を前記ライトチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さくする ことを特徴とするプログラム。 - 複数のサウンドバーに収容されているスピーカのチャンネルを設定するコントローラとして、コンピュータを機能させるプログラムであって、
前記複数のサウンドバーとともにホームシアターシステムを構築する表示装置に対する前記複数のサウンドバーの設置位置を受け付ける受付手段、
前記受付手段により受け付けた前記複数のサウンドバーの設置位置に応じて、前記複数のサウンドバー各々に収容されたスピーカに割り当てるチャンネルを決定する割当チャンネル決定手段、および
前記サウンドバー毎に、当該サウンドバーに収容されたスピーカに、前記割当チャンネル決定手段により決定されたチャンネルを設定する割当チャンネル設定手段として、前記コンピュータを機能させ、
前記割当チャンネル決定手段は、
前記受付手段により受け付けた前記複数のサウンドバーの設置位置が、前記表示装置の下方において前記表示装置の画面幅方向に並ぶ場合、前記複数のサウンドバーに収容されたスピーカを、前記表示装置の下方中央に位置する第1グループ、前記表示装置の下方中央より左側に位置する第2グループ、および、前記表示装置の下方中央より右側に位置する第3グループに分類して、前記第1グループに属するスピーカに割り当てるチャンネル、前記第2グループに属するスピーカに属するスピーカに割り当てるチャンネル、および前記第3グループに属するスピーカに割り当てるチャンネルを、それぞれ、センターチャンネル、レフトチャンネル、およびライトチャンネルに決定する ことを特徴とするプログラム。 - コントローラを用いて、サウンドバーに収容されたセンターチャンネル、レフトチャンネル、およびライトチャンネルのスピーカの出力音量および出力タイミングを設定する、サウンドバーの設定方法であって、
前記コントローラは、
ユーザより前記サウンドバーとともにホームシアターシステムを構築する表示装置に対する前記サウンドバーの設置位置を受け付け、
前記受け付けた前記サウンドバーの設置位置が前記表示装置の下方中央または上方中央より左側である場合、前記ライトチャンネルのスピーカの出力タイミングを前記センターチャンネルのスピーカの出力タイミングより遅延時間Tだけ遅く、かつ前記センターチャンネルのスピーカの出力タイミングを前記レフトチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅くするとともに、前記ライトチャンネルのスピーカの出力音量を前記センターチャンネルのスピーカの出力音量より減衰音量Vだけ小さく、かつ前記センターチャンネルのスピーカの出力音量を前記レフトチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さくして、前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを決定し、
一方、前記受け付けた前記サウンドバーの設置位置が前記表示装置の下方中央または上方中央より右側である場合、前記レフトチャンネルのスピーカの出力タイミングを前記センターチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅く、かつ前記センターチャンネルのスピーカの出力タイミングを前記ライトチャンネルのスピーカの出力タイミングより前記遅延時間Tだけ遅くするとともに、前記レフトチャンネルのスピーカの出力音量を前記センターチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さく、かつ前記センターチャンネルのスピーカの出力音量を前記ライトチャンネルのスピーカの出力音量より前記減衰音量Vだけ小さくして、前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを決定し、
前記決定された前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを前記サウンドバーに設定し、
前記サウンドバーは、
前記コントローラの設定に従い、前記センターチャンネル、前記レフトチャンネル、および前記ライトチャンネルのスピーカ各々の出力音量および出力タイミングを調整する
ことを特徴とするサウンドバーの設定方法。 - コントローラを用いて、複数のサウンドバーに収容されているスピーカのチャンネルを設定する、サウンドバーの設定方法であって、
前記コントローラは、
ユーザより前記複数のサウンドバーとともにホームシアターシステムを構築する表示装置に対する前記複数のサウンドバーの設置位置を受け付け、
前記受け付けた前記複数のサウンドバーの設置位置が、前記表示装置の下方において前記表示装置の画面幅方向に並ぶ場合、前記複数のサウンドバーに収容されたスピーカを、前記表示装置の下方中央に位置する第1グループ、前記表示装置の下方中央より左側に位置する第2グループ、および、前記表示装置の下方中央より右側に位置する第3グループに分類して、前記第1グループに属するスピーカに割り当てるチャンネル、前記第2グループに属するスピーカに属するスピーカに割り当てるチャンネル、および前記第3グループに属するスピーカに割り当てるチャンネルを、それぞれ、センターチャンネル、レフトチャンネル、およびライトチャンネルに決定し、
前記サウンドバー毎に、当該サウンドバーに収容されたスピーカに、当該スピーカに割り当てるチャンネルとして決定されたチャンネルを設定し、
前記サウンドバーは、
自サウンドバーに収容されたスピーカに、前記コントローラにより当該スピーカに設定されたチャンネルのオーディオ信号を出力する
ことを特徴とするサウンドバーの設定方法。
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JP2007142856A (ja) * | 2005-11-18 | 2007-06-07 | Sharp Corp | テレビジョン受信装置 |
JP2009118120A (ja) * | 2007-11-06 | 2009-05-28 | Jetvox Acoustic Corp | マルチウェイスピーカー |
JP2018528685A (ja) * | 2015-08-21 | 2018-09-27 | ディーティーエス・インコーポレイテッドDTS,Inc. | マルチスピーカの漏れを相殺するための方法及び装置 |
US20190215634A1 (en) * | 2018-01-08 | 2019-07-11 | Avnera Corporation | Automatic speaker relative location detection |
US20200267473A1 (en) * | 2019-02-19 | 2020-08-20 | Sony Interactive Entertainment Inc. | Hybrid speaker and converter |
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JP2007142856A (ja) * | 2005-11-18 | 2007-06-07 | Sharp Corp | テレビジョン受信装置 |
JP2009118120A (ja) * | 2007-11-06 | 2009-05-28 | Jetvox Acoustic Corp | マルチウェイスピーカー |
JP2018528685A (ja) * | 2015-08-21 | 2018-09-27 | ディーティーエス・インコーポレイテッドDTS,Inc. | マルチスピーカの漏れを相殺するための方法及び装置 |
US20190215634A1 (en) * | 2018-01-08 | 2019-07-11 | Avnera Corporation | Automatic speaker relative location detection |
US20200267473A1 (en) * | 2019-02-19 | 2020-08-20 | Sony Interactive Entertainment Inc. | Hybrid speaker and converter |
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