JP2013183275A - Acoustic device and acoustic system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an acoustic device capable of making audio adjustments matching user's preference for each content.SOLUTION: An AV receiver 10 (an acoustic device) includes a speaker terminal portion 3 capable of outputting an audio signal of a content to a plurality of speakers 31-36, and a control portion 7 capable of individually adjusting sounds output from the plurality of speakers 31-36 respectively, and the control portion 7 is configured to perform control to display on a television 40 an audio adjustment screen 41 for individually adjusting the sounds of the plurality of speakers 31-36 during reproduction of a content.

Description

  The present invention relates to an audio device and an audio system, and more particularly to an audio device and an audio system that can output audio signals to a plurality of speakers.

  Conventionally, an acoustic device that can output audio signals to a plurality of speakers is known (see, for example, Patent Document 1).

  The acoustic device described in Patent Literature 1 stores a plurality of pattern numbers based on the speaker configuration and a plurality of speaker setting information in which the volume and sound quality for each speaker are individually set in association with each other. In this acoustic apparatus, when one pattern number is selected from the plurality of pattern numbers by the user, the sound adjustment of the plurality of speakers is performed based on the speaker setting information associated with the selected pattern number. Is called. Thus, the user can easily adjust the sound of the speaker simply by selecting one pattern number corresponding to the actual speaker configuration.

Japanese Patent Laid-Open No. 2005-12534

  However, in the acoustic device of Patent Document 1, the user can easily adjust the sound of the speaker, but the sound of the speaker is based on the pre-registered speaker setting information regardless of the content to be reproduced. Since the adjustment is performed uniformly, there is a problem in that depending on the content, the audio adjustment may deviate from the user's preference.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide an audio device and an audio system that can perform audio adjustment suitable for the user's preference for each content. Is to provide.

  An audio device according to a first aspect of the present invention includes an audio output unit capable of outputting an audio signal of content to a plurality of speakers, and a control unit capable of individually adjusting audio output from each of the plurality of speakers. The control unit is configured to perform control to display on the display unit a sound adjustment screen for individually adjusting the sound of the plurality of speakers during the reproduction of the content based on a user operation.

  In the acoustic device according to the first aspect of the present invention, as described above, the sound adjustment screen for individually adjusting the sounds of the plurality of speakers during the reproduction of the content is displayed on the display unit based on the user's operation. By configuring the control unit to perform control, the user can individually adjust the sound of each speaker using the sound adjustment screen while listening to the sound of the content. You can adjust the sound. Further, since the sound of the plurality of speakers can be individually adjusted during the reproduction of the content, it is not necessary to stop the reproduction of the content halfway in order to individually adjust the sound of the plurality of speakers.

  In the acoustic device according to the first aspect described above, preferably, the control unit is configured to perform a user operation while causing the display unit to display the speaker to be adjusted in order in a manner that can be sequentially identified on the sound adjustment screen. The sound of the speaker displayed in an identifiable manner based on the sound is adjusted individually in order. With this configuration, the user can adjust the sound of each speaker in the order in which it is displayed in an identifiable manner during the reproduction of the content. Appropriate sound adjustment can be performed.

  In the acoustic device according to the first aspect, preferably, the control unit individually adjusts the sound of the plurality of speakers based on a user operation while displaying the arrangement state of the plurality of speakers on the display unit on the sound adjustment screen. Is configured to do. With this configuration, the user can easily adjust the sound of each speaker while visually confirming the arrangement state of the plurality of speakers displayed on the display unit during the reproduction of the content. Audio adjustment suitable for the user's preference can be performed for each content.

  The audio device according to the first aspect preferably further includes a remote control capable of transmitting an audio adjustment instruction signal to each of the plurality of speakers based on the user's operation, and the control unit is configured to reproduce the user during the reproduction of the content. The voices of the plurality of speakers are individually adjusted based on the voice adjustment instruction signal transmitted from the remote controller by the above operation. With this configuration, the user can adjust the sound of each speaker using the remote control while being at the position (listening point) at which the user actually listens to the sound of the content during the playback of the content. Can be adjusted with high accuracy according to the actual listening point.

  In the audio device according to the first aspect, preferably, the control unit performs control to display the audio adjustment screen so as to be superimposed on the video of the content displayed on the display unit during the reproduction of the content based on a user operation. It is configured as follows. If comprised in this way, the user can perform audio | voice adjustment of each speaker using an audio | voice adjustment screen, continuing watching the image | video of the content displayed on a display part.

  In the acoustic device according to the first aspect, preferably, the audio output unit is configured to be able to output audio signals to a plurality of speakers corresponding to surround sound, and the control unit is based on a user operation. The sound of the plurality of speakers corresponding to the surround sound is individually adjusted during the reproduction of the content. The surround sound is sound having more channels (2.1ch or more) than stereo (2.0ch). If comprised in this way, even when a user listens to the audio | voice of a content by surround audio | voice, the audio | voice adjustment suitable for a user preference for every content can be performed.

  In the audio device according to the first aspect, preferably, the display unit includes an external display device, and the control unit displays an external display for displaying the video of the content during reproduction of the content based on a user operation. The apparatus is configured to perform control for displaying an audio adjustment screen on the apparatus. With this configuration, the user can easily perform audio adjustment suitable for the user's preference for each content using an audio adjustment screen displayed on an external display device with excellent visibility for displaying video. Can do.

  In the audio device according to the first aspect, preferably, the control unit is configured to individually adjust at least the volume of the plurality of speakers during the reproduction of the content based on a user operation. With this configuration, the user can individually adjust the volume of each speaker while listening to the audio of the content to make the audio more suitable for the content being reproduced.

  An audio system according to a second aspect of the present invention includes a display device capable of displaying content video and an audio device connectable to the display device, and the audio device transmits audio signals of content to a plurality of speakers. An audio output unit capable of outputting and a control unit capable of individually adjusting audio output from each of the plurality of speakers, and the control unit is configured to control the plurality of speakers during reproduction of the content based on a user operation. It is configured to perform control to display a sound adjustment screen for individually adjusting sound on the display device.

  In the acoustic system according to the second aspect of the present invention, as described above, the sound adjustment screen for individually adjusting the sounds of the plurality of speakers during the reproduction of the content is displayed on the display device based on the user's operation. By configuring the control unit to perform control, the user can individually adjust the sound of each speaker using the sound adjustment screen displayed on the display device while listening to the sound of the content. In addition, it is possible to perform sound adjustment more suitable for the user's preference. Further, since the sound of the plurality of speakers can be individually adjusted during the reproduction of the content, it is not necessary to stop the reproduction of the content halfway in order to individually adjust the sound of the plurality of speakers.

  According to the present invention, as described above, it is possible to perform sound adjustment more suitable for the user's preference for each content.

1 is a block diagram showing the overall configuration of an acoustic system according to an embodiment of the present invention. It is the flowchart which showed the audio | voice adjustment process of the acoustic system by one Embodiment of this invention. It is the flowchart which showed the audio | voice adjustment process of the acoustic system by one Embodiment of this invention. It is the figure which showed the audio | voice adjustment screen of the acoustic system by one Embodiment of this invention. It is the figure which showed the state which highlighted the FL speaker in the audio | voice adjustment screen of the acoustic system by one Embodiment of this invention. It is the figure which showed the state which highlighted C speaker on the audio | voice adjustment screen of the acoustic system by one Embodiment of this invention. It is the figure which showed the state which highlighted the Swf speaker in the audio | voice adjustment screen of the acoustic system by one Embodiment of this invention. It is the figure which showed the state which highlighted all the speakers in the audio | voice adjustment screen of the acoustic system by one Embodiment of this invention. It is the figure which showed the audio | voice adjustment screen of the acoustic system by the modification of one Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  With reference to FIG. 1, the structure of the acoustic system 100 by one Embodiment of this invention is demonstrated.

  The acoustic system 100 according to the present embodiment includes an AV receiver 10, a BD (Blu-ray Disc) player 20, a plurality of speakers 31 to 36, and a television 40. The AV receiver 10 has a function of displaying content video reproduced by an external device such as the BD player 20 on a display device such as the television 40 and outputting sound of the content to a plurality of speakers 31 to 36. Yes. The AV receiver 10 is configured to be able to individually adjust the sound of the plurality of speakers 31 to 36 connected to the AV receiver 10 during content reproduction. The AV receiver 10 includes an input terminal unit 1, an output terminal unit 2, a speaker terminal unit 3, a display unit 4, an OSD (On-Screen Display) signal generation unit 5, a remote control reception unit 6, and a control. Part 7. The AV receiver 10 is an example of the “acoustic device” of the present invention, and the speaker terminal unit 3 is an example of the “audio output unit” of the present invention. The television 40 is an example of the “display unit” and “display device” in the present invention.

  The input terminal unit 1 corresponds to HDMI (registered trademark), AUX, and Coaxial. The AV receiver 10 is configured to be able to input an audio signal and a video signal from an external device via the input terminal unit 1.

  The output terminal unit 2 corresponds to HDMI, COMPOSITE, and COMPONENT. The AV receiver 10 is configured to be able to output an audio signal and a video signal to an external device via the output terminal unit 2.

  The speaker terminal unit 3 is configured so that a plurality of speakers 31 to 36 can be connected. Specifically, the speaker terminal unit 3 is provided with a Front-L terminal 3a, a Front-R terminal 3b, a Center terminal 3c, a Surround-L terminal 3d, a Surround-R terminal 3e, and a Subwoofer terminal 3f. The Front-L terminal 3a, Front-R terminal 3b, Center terminal 3c, Surround-L terminal 3d, Surround-R terminal 3e and Subwoofer terminal 3f are respectively disposed on the front left side of the FL speaker 31 and on the front right side. FR speaker 32, C speaker 33 disposed in the center, SL speaker 34 disposed on the rear left side, SR speaker 35 disposed on the rear right side, and subwoofer (Swf) speaker 36 are connected. Yes. Further, the speaker terminal unit 3 is configured to be able to output the audio signal of the content input via the input terminal unit 1 to a plurality of speakers 31 to 36 corresponding to 5.1ch surround sound.

  The display unit 4 is provided on the outer surface of the AV receiver 10 in order to display the activation state of the AV receiver 10 and the current time. The OSD signal generation unit 5 has a function of generating an OSD image to be displayed on an external device such as the television 40 connected to the output terminal unit 2. The OSD image is an image that is displayed so as to be superimposed on the video displayed on the external device, and is displayed in a semi-transparent manner so that the video displayed on the external device is visible. The remote control receiving unit 6 is configured to be able to receive a signal transmitted from the remote control 50 by a user operation. The remote controller 50 is provided with a plurality of operation buttons such as a cross operation button 51 and a volume button 52. In addition, the remote controller 50 is provided with a speaker button 53 for individually adjusting the sound output from each of the plurality of speakers 31 to 36.

  The control unit 7 includes a CPU and is configured to control the operation of the entire AV receiver 10 by executing a computer program (not shown). Further, the control unit 7 is configured to execute a sound adjustment process described later based on a user operation. Moreover, the control part 7 is comprised so that the audio | voice output from each of the some speakers 31-36 connected to the speaker terminal part 3 can be adjusted separately during the reproduction | regeneration of a content. Specifically, the control unit 7 adjusts the volume of the plurality of speakers 31 to 36 by adjusting the gain of the audio signal output from each of the terminals 3a to 3f of the speaker terminal unit 3 based on a user operation. .

  Next, with reference to FIGS. 1-8, the audio | voice adjustment process performed by the control part 7 of the AV receiver 10 by this embodiment is demonstrated. Here, as shown in FIG. 1, the video of the content being played back by the BD player 20 is displayed on the television 40, and a plurality of speakers 31 to 36 corresponding to 5.1ch surround sound are displayed as the audio of the content. Will be described.

  First, in step S1, the control unit 7 determines whether or not the speaker button 53 of the remote controller 50 is pressed by the user while the content is being played by the BD player 20, and makes this determination until the speaker button 53 is pressed. repeat. The user can adjust the sound of the plurality of speakers 31 to 36 while viewing the content by pressing the speaker button 53 while viewing the content by the BD player 20.

  When the speaker button 53 is pressed, the control unit 7 causes the television 40 to display a sound adjustment screen 41 for individually adjusting the sound of the plurality of speakers 31 to 36 in step S2, as shown in FIG. Take control. Specifically, the control unit 7 displays an audio adjustment screen 41 composed of the OSD screen generated by the OSD signal generation unit 5 so as to be superimposed on the video of the content being reproduced displayed on the television 40. At this time, since the audio adjustment screen 41 including the OSD screen is configured to be translucent, the user can continuously view the video of the content being reproduced through the audio adjustment screen 41.

  In the sound adjustment screen 41, the arrangement state of the plurality of speakers 31 to 36 is indicated by icons 31a to 36a corresponding to the plurality of speakers 31 to 36. That is, a schematic layout diagram of the plurality of speakers 31 to 36 when the upper part of the screen of the television 40 is the front is shown. Further, a numerical value (volume value) indicating the volume output from the corresponding speaker is displayed on each icon 31a to 36a.

  Thereafter, the control unit 7 determines whether or not the speaker button 53 is pressed again in step S3. If not pressed, it is determined in step S4 whether or not a predetermined time (for example, 5 seconds) has elapsed since the audio adjustment screen 41 was displayed. If the predetermined time has elapsed, the audio adjustment processing is performed as it is. Exit. Thereby, even when the user accidentally presses the speaker button 53, the voice adjustment processing can be quickly and automatically ended.

  On the other hand, if the speaker button 53 is pressed before the predetermined time has elapsed, in step S5, the control unit 7 causes the FL speaker arranged on the left front side in the audio adjustment screen 41 as shown in FIG. 31 icons 31a are highlighted. Then, in step S6, the control unit 7 determines whether or not there has been an audio adjustment instruction. Specifically, the control unit 7 determines whether or not an audio adjustment signal transmitted from the remote controller 50 by a user operation is received by the remote control receiver 6. The user can arbitrarily adjust the volume of the corresponding speaker by operating the volume button 52 of the remote controller 50. When the volume button 52 is operated by the user, a sound adjustment signal corresponding to the operation is transmitted from the remote controller 50.

  When the audio adjustment signal is received by the remote control receiving unit 6, in step S7, the control unit 7 adjusts the audio of the FL speaker 31 based on the operation result of the user. For example, when the user performs an operation of increasing the volume value of the FL speaker 31 from the state of “35” shown in FIG. 4, the volume value of the FL speaker 31 is based on the operation result of the user as shown in FIG. Adjusted to “40”.

  Then, in step S8, the control unit 7 determines whether or not the speaker button 53 has been pressed by the user. If not, the control unit 7 returns to step S6. When the speaker button 53 is pressed, in step S9, the control unit 7 highlights the icon 33a of the C speaker 33 arranged at the center on the audio adjustment screen 41 as shown in FIG. In step S10, the control unit 7 determines whether or not there is an audio adjustment instruction. If there is an audio adjustment instruction, the control unit 7 adjusts the audio of the C speaker 33 based on the operation result of the user in step S11. Do. The control unit 7 repeats the operations in steps S10 to S12 until the user presses the speaker button 53 again.

  When the speaker button 53 is pressed, the FR speaker 32 disposed on the front right side, the SR speaker 35 disposed on the rear right side, the SL speaker 34 disposed on the rear left side, and the Swf speaker 36 are respectively described above. As in the case of the FL speaker 31 and the C speaker 33, in steps S13 to S27, as shown in FIG. 7, the icons 32a, 35a, 34a, and 36a corresponding to the sound adjustment target speakers are highlighted in order so as to be identifiable. While adjusting the sound. As described above, the control unit 7 individually adjusts the sounds of the plurality of speakers 31 to 36 in order based on the user's operation.

  Then, after the sound adjustment of the Swf speaker 36 is performed, when the speaker button 53 is pressed in step S28, the control unit 7 corresponds to each of the speakers 31 to 36 in step S29 as shown in FIG. All of the icons 31a to 36a to be displayed are highlighted so as to be identifiable. As a result, the sound of all the speakers 31 to 36 can be adjusted uniformly. In step S <b> 30, the control unit 7 determines whether or not there has been an audio adjustment instruction based on a user operation. When there is an audio adjustment instruction, in step S31, the volume of all the speakers 31 to 36 is uniformly adjusted based on the operation result of the user, and the overall volume is raised or lowered. At this time, the volume values of the speakers 31 to 36 may be uniformly changed by the same value, or may be changed while the ratio of the volume values of the speakers 31 to 36 is kept constant. In step S32, when the speaker button 53 is pressed by the user, in step S33, control for stopping the OSD display on the audio adjustment screen 41 is performed, and the audio adjustment process is terminated.

  In the present embodiment, as described above, based on the user's operation, the television 40 is controlled to display the audio adjustment screen 41 for individually adjusting the audio of the plurality of speakers 31 to 36 during the reproduction of the content. By configuring the control unit 7 as described above, the user can individually adjust the sound of each speaker using the sound adjustment screen 41 while listening to the sound of the content. Audio adjustment can be performed. Further, since the sound of the plurality of speakers 31 to 36 can be individually adjusted during the reproduction of the content, it is necessary to stop the reproduction of the content halfway in order to individually adjust the sounds of the plurality of speakers 31 to 36. Absent.

  Moreover, in this embodiment, the aspect which can be identified based on a user's operation is displayed on the television 40 in the aspect which can identify the audio | voice adjustment object speaker of the some speakers 31-36 in order in the audio | voice adjustment screen 41. The control unit 7 is configured so as to individually adjust the sound of the speakers displayed in (1). As a result, the user can adjust the sound of each speaker in the order in which it is displayed in an identifiable manner during the reproduction of the content, so that the sound can be easily adjusted to the user's preference for each content. It can be performed.

  In the present embodiment, the sound of the plurality of speakers 31 to 36 is individually adjusted based on the user's operation while displaying the arrangement state of the plurality of speakers 31 to 36 on the television 40 in the sound adjustment screen 41. The control unit 7 is configured. Accordingly, the user can easily adjust the sound of each speaker while visually confirming the arrangement state of the plurality of speakers 31 to 36 displayed on the television 40 during the reproduction of the content. It is possible to perform sound adjustment more suitable for the user's preference every time.

  In the present embodiment, the control unit 7 is configured to individually adjust the sound of the plurality of speakers 31 to 36 based on the sound adjustment instruction signal transmitted from the remote controller 50 by the user's operation during content reproduction. To do. Thus, the user can adjust the sound of each speaker using the remote controller 50 while being at the position (listening point) where the user actually listens to the sound of the content during the reproduction of the content. Audio adjustment can be performed with high accuracy according to the actual listening point.

  Further, in the present embodiment, the control unit 7 is configured to perform control to display the audio adjustment screen 41 superimposed on the content video displayed on the television 40 during content playback based on the user's operation. As a result, the user can adjust the audio of each speaker using the audio adjustment screen 41 while continuously watching the video of the content displayed on the television 40.

  Further, in the present embodiment, the control unit 7 is configured to individually adjust the sound of the plurality of speakers 31 to 36 corresponding to the 5.1ch surround sound during content playback based on the user's operation. As a result, even when the user listens to the sound of the content with 5.1ch surround sound, it is possible to perform sound adjustment more suitable for the user's preference for each content.

  Moreover, in this embodiment, the control part 7 is comprised so that the volume of several speakers 31-36 may be adjusted separately based on a user's operation during the reproduction | regeneration of a content. As a result, the user can individually adjust the volume of each speaker while listening to the audio of the content to make the audio more suitable for the content being reproduced.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is shown not by the above description of the embodiments but by the scope of claims for patent, and further includes all modifications within the meaning and scope equivalent to the scope of claims for patent.

  For example, in the above-described embodiment, an example in which the present invention is applied to an AV receiver as an audio device has been described, but the present invention is not limited to this. The present invention may be applied to an audio device other than an AV receiver, such as a player or an AV amplifier having a content reproduction function, as long as it can output audio signals to a plurality of speakers.

  In the above embodiment, as an example of content, content played by a BD player connected to an AV receiver (audio device) is shown, but the present invention is not limited to this. In the present invention, it may be content that is played back by an audio device, or may be broadcast content that is received and played back by a television. Further, the content is not limited to content including both video information and audio information, and may be audio content not including video information.

  Moreover, although the audio | voice adjustment screen of this invention was displayed on the television connected to AV receiver (sound apparatus) in the said embodiment, the present invention is not limited to this. In the present invention, the audio adjustment screen may be displayed on a display unit provided in the acoustic device itself.

  In the above-described embodiment, an example in which the audio adjustment screen according to the present invention is OSD-displayed on the content video is shown, but the present invention is not limited thereto. In the present invention, the audio adjustment screen may be displayed side by side on the content video, or the audio adjustment screen may be displayed without displaying the content video.

  Moreover, although the example which adjusts the volume of a several speaker separately was shown in the said embodiment, this invention is not limited to this. In the present invention, for example, items other than sound volume may be individually adjusted as the sound of a plurality of speakers, such as delay time for adjusting the output timing of the speakers and sound quality. A plurality of items may be adjustable.

  Moreover, although the example which displays the volume of each speaker by a numerical value on the audio | voice adjustment screen was shown in the said embodiment, this invention is not limited to this. In the present invention, as shown in FIG. 9, the volume of each speaker may be displayed in a form other than a numerical value, such as a gauge.

  Moreover, although the example of the structure corresponding to 5.1ch surround sound was shown in the said embodiment, this invention is not limited to this. In the present invention, a configuration corresponding to a channel other than 5.1ch may be used as long as the configuration corresponds to a plurality of speakers. In this case, a configuration corresponding to surround sound having more channels (2.1 ch or more) than stereo (2.0 ch) is preferable.

  Moreover, in the said embodiment, after step S8, S12, S16, S20, S24, S28, and S32 of audio | voice adjustment processing, the example which returns to the step which judges the presence or absence of audio | voice adjustment instruction | indication when a speaker button is not pressed is shown. However, the present invention is not limited to this. In the present invention, after the voice adjustment processing steps S8, S12, S16, S20, S24, S28 and S32, when the speaker button is not pressed, a state in which no user operation is performed after the corresponding icon is highlighted is predetermined. It may be determined whether time (for example, 5 seconds) has elapsed. In this case, the process returns to the step of determining whether or not there is a voice adjustment instruction until the predetermined time has elapsed.

  In the above embodiment, for convenience of explanation, the processing of the control unit of the present invention has been described using a flow-driven flowchart that performs processing in order along the processing flow, but the present invention is not limited to this. In the present invention, the processing operation of the control unit may be performed by event-driven (event-driven) processing that executes processing in units of events. In this case, it may be performed by a complete event drive type or a combination of event drive and flow drive.

3 Speaker terminal part (audio output part)
7 Control unit 10 AV receiver (acoustic device)
31-36 Speaker 40 Television (display unit, display device)
50 Remote control 100 Sound system

Claims (9)

An audio output unit capable of outputting audio signals of content to a plurality of speakers;
A control unit capable of individually adjusting sound output from each of the plurality of speakers;
The control unit is configured to perform control to display a sound adjustment screen for individually adjusting the sound of the plurality of speakers during reproduction of the content based on a user operation, on the display unit. Acoustic device.   The control unit displays the sound adjustment target speaker among the plurality of speakers on the sound adjustment screen in an identifiable manner based on a user operation while displaying the speaker on the display unit in an identifiable manner. The audio device according to claim 1, wherein the audio device is configured to individually adjust the sound of the selected speakers.   The control unit is configured to individually adjust the sound of the plurality of speakers based on a user operation while displaying the arrangement state of the plurality of speakers on the display unit on the sound adjustment screen. The acoustic device according to claim 1 or 2. A remote control capable of transmitting a sound adjustment instruction signal to each of the plurality of speakers based on a user operation;
The control unit is configured to individually adjust sound of the plurality of speakers based on the sound adjustment instruction signal transmitted from the remote controller by a user operation during reproduction of the content. The acoustic device according to any one of 1 to 3.   The control unit is configured to perform control to display the audio adjustment screen superimposed on the video of the content displayed on the display unit during reproduction of the content based on a user operation. Item 5. The acoustic device according to any one of Items 1 to 4. The audio output unit is configured to be capable of outputting audio signals to the plurality of speakers corresponding to surround sound,
The control unit according to any one of claims 1 to 5, wherein the control unit is configured to individually adjust sound of a plurality of speakers corresponding to the surround sound during reproduction of the content based on a user operation. The acoustic device according to item. The display unit includes an external display device,
The control unit is configured to perform control to display the audio adjustment screen on the external display device that displays the video of the content during reproduction of the content based on a user operation. Item 7. The acoustic device according to any one of items 1 to 6.   8. The control unit according to claim 1, wherein the control unit is configured to individually adjust at least sound volumes of the plurality of speakers during reproduction of the content based on a user operation. 9. Acoustic device. A display device capable of displaying content video;
An acoustic device connectable to the display device;
The acoustic device is
An audio output unit capable of outputting audio signals of content to a plurality of speakers;
A control unit capable of individually adjusting the sound output from each of the plurality of speakers,
The control unit is configured to perform control to display an audio adjustment screen for individually adjusting audio of the plurality of speakers during reproduction of the content based on a user operation on the display device. , Acoustic system.

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