CN105532021A - Speaker device, audio reproduction system, and program - Google Patents
Speaker device, audio reproduction system, and program Download PDFInfo
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- CN105532021A CN105532021A CN201480047468.4A CN201480047468A CN105532021A CN 105532021 A CN105532021 A CN 105532021A CN 201480047468 A CN201480047468 A CN 201480047468A CN 105532021 A CN105532021 A CN 105532021A
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- back surface
- loudspeaker
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- receiving system
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- 238000009434 installation Methods 0.000 claims abstract description 76
- 230000005236 sound signal Effects 0.000 claims description 37
- 238000004891 communication Methods 0.000 claims description 34
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000012546 transfer Methods 0.000 claims description 4
- 230000001934 delay Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 32
- 238000012545 processing Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 8
- 230000000644 propagated effect Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000002194 synthesizing effect Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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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
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
-
- 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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
-
- 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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Otolaryngology (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic System (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Selective Calling Equipment (AREA)
- Stereophonic Arrangements (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The present invention addresses the problem of providing an audio reproduction system capable of adjusting the timings of arrival of a sound emitted from a back surface and a sound emitted from a front surface at a user. An audio reproduction system comprises a speaker device (1) and a remote control device. The speaker device (1) is provided with a first speaker unit (210) provided in the back surface of a housing (11), a second speaker unit (211C) provided in the upper surface or the front surface of the housing (11), and a delay unit (231C) which delays a sound emitted from the second speaker unit (211C). The remote control device accepts inputs of an installation mode of the speaker device (1) and a back surface distance to a wall (80), calculates the delay time of the delay unit (211C) on the basis of the inputted installation mode and back surface distance , and transmits the delay time to the speaker device (1). The speaker device (1) sets the delay time received from the remote control device in the delay unit (211C).
Description
Technical field
The present invention relates to the adjustment of the timing sound sent from multiple loudspeaker unit being arrived to user.
Background technology
In patent documentation 1, propose following loudspeaker unit, this loudspeaker unit can according to multiple Installation Modes such as wherein loudspeaker unit lean against the corner in room corner install and wherein loudspeaker unit lean against the wall in room wall install control corresponding loudspeaker unit playback timing (time of delay).
Reference listing
Patent documentation
Patent documentation 1:JP-A-2006-340302
Summary of the invention
Technical problem
In patent documentation 1, although the setting that (corner arrangement) and wall installation (wall arrangement) are installed in corner is performed, but the setting of the time of delay of corresponding loudspeaker unit performs by measuring, and thus measuring circuit, be necessary for the microphone etc. of independent measurement.In addition, in order to perform the novel designs of loudspeaker apparatus, consider some loudspeaker units to be arranged on back surface side.But in patent documentation 1, whole loudspeaker unit is arranged to towards front side, and do not have to consider wherein to be installed into towards back surface loudspeaker unit and be installed into the control of the timing that the loudspeaker unit towards upper surface or front surface is sounded.
Herein, target of the present invention is to provide and a kind ofly can adjusts the sound that wherein sends from back surface and arrive the loudspeaker apparatus of the timing of user, audio reproducing system and program from the sound that front surface or upper surface send.
Issue-resolution
Loudspeaker apparatus is according to aspects of the present invention configured to comprise: housing, and housing has opening portion on the back surface, and the opening portion on upper surface or front surface; First loudspeaker unit, the first loudspeaker unit arranges in opening portion on the back surface; Second loudspeaker unit, the second loudspeaker unit is arranged in the opening portion on upper surface or front surface; Decay part, decay part is applicable to the sound postponing to send from the second loudspeaker unit; Manipulation receiving system, manipulation receiving system is for receiving the input of Installation Modes and back surface distance, and Installation Modes indicator shell is relative to the layout of the wall on the back surface direction of housing, and back surface distance is the distance apart from wall; Calculation element, calculation element is used for the time of delay based on the Installation Modes inputted from manipulation receiving system and back surface distance computing relay part; And setting device, setting device is used for be set in decay part the time of delay calculated by calculation element.
Audio reproducing system according to aspects of the present invention comprises loudspeaker apparatus and remote controllers.Loudspeaker apparatus comprises: housing, and housing has opening portion on the back surface, and the opening portion on upper surface or front surface; First loudspeaker unit, the first loudspeaker unit arranges in opening portion on the back surface; Second loudspeaker unit, the second loudspeaker unit is arranged in the opening portion on upper surface or front surface; Decay part, decay part is applicable to the sound postponing to send from the second loudspeaker unit; And communication unit, communication unit is applicable to communicate with remote controllers.Remote controllers comprise: communication unit, and communication unit is applicable to communicate with loudspeaker apparatus; Manipulation receiving system, manipulation receiving system is used for the operation control picture by showing the input receiving Installation Modes and back surface distance and receives the manipulation of user, Installation Modes indicator shell is relative to the layout of the wall on the back surface direction of housing, and the instruction of back surface distance is apart from the distance of wall; And transmitting device, transmitting device be used for will from manipulation receiving system input Installation Modes and back surface Distance Transmission to loudspeaker apparatus.Loudspeaker apparatus comprises further: calculation element, and calculation element is used for the time of delay based on the Installation Modes received from remote controllers and back surface distance computing relay part; And setting device, setting device is used for be set in decay part the time of delay calculated by calculation element.
Audio reproducing system according to aspects of the present invention comprises loudspeaker apparatus and remote controllers.Loudspeaker apparatus comprises: housing, and housing has opening portion on the back surface, and the opening portion on upper surface or front surface; First loudspeaker unit, the first loudspeaker unit arranges in opening portion on the back surface; Second loudspeaker unit, the second loudspeaker unit is arranged in the opening portion on upper surface or front surface; Decay part, decay part is applicable to the sound postponing to send from the second loudspeaker unit; And communication unit, communication unit is applicable to communicate with remote controllers.Remote controllers comprise: communication unit, and communication unit is applicable to communicate with loudspeaker apparatus; Manipulation receiving system, manipulation receiving system is used for the operation control picture by showing the input receiving Installation Modes and back surface distance and receives the manipulation of user, Installation Modes indicator shell is relative to the layout of the wall on the back surface direction of housing, and the instruction of back surface distance is apart from the distance of wall; Calculation element, calculation element is used for the time of delay based on the Installation Modes inputted from manipulation receiving system and back surface distance computing relay part; And transmitting device, transmitting device is used for be transferred to loudspeaker apparatus the time of delay calculated by calculation element.Loudspeaker apparatus comprises setting device further, and setting device is used for be set in decay part the time of delay received from remote controllers.
Loudspeaker apparatus may further include: midrange filter, and midrange filter is applicable to extract from the audio-band of input audio signal the midrange component signal comprising voice, and midrange component signal is fed to the second loudspeaker unit; Low range filter and high range filter, low range filter and high range filter are applicable to extract the low range component signal except midrange component signal and high range component signal, and low range component signal and high range component signal are fed to the first loudspeaker unit; And equalizer, equalizer is applicable to the independent respective gain controlling the output signal of low range filter, midrange filter and high range filter.
In the case, midrange speaker can be used as the second loudspeaker unit, in midrange speaker, the phonation characteristics of low range is suppressed, and midrange filter can be applicable to extract comprise low range component, low pass filter lower than the signal component of midrange.
Remote controllers may further include: the second manipulation receiving system, and the second manipulation receiving system receives the manipulation of user for the operation control picture of the input of the type by display reception wall; Gain correcting device, gain correcting device is used for the gain of the types corrective equalizer according to the wall by the second manipulation receiving system input; With the second transmitting device, the second transmitting device is used for by corrected gain transfer to loudspeaker apparatus, and loudspeaker apparatus can by the gain setting that receives from remote controllers in equalizer.
The operation control picture of remote controllers can show multiple Installation Modes, multiple Installation Modes respectively indicator shell is arranged relative to the difference of the wall on the back surface direction of housing, and manipulates receiving system and can receive the manipulation that user selects a kind of Installation Modes from multiple Installation Modes.
The computer that program according to aspects of the present invention makes it possible to the mobile phone communicated with loudspeaker apparatus is used as: manipulate receiving system, manipulation receiving system is used for the operation control picture by showing the input receiving Installation Modes and back surface distance and receives the manipulation of user, Installation Modes indicates the layout of housing relative to the wall on the back surface direction of housing of loudspeaker apparatus, and the instruction of back surface distance is apart from the distance of wall; And transmitting device, transmitting device be used for will from manipulation receiving system input Installation Modes and back surface Distance Transmission to loudspeaker apparatus.
The computer that program according to aspects of the present invention makes it possible to the mobile phone communicated with loudspeaker apparatus is used as: manipulate receiving system, manipulation receiving system is used for the operation control picture by showing the input receiving Installation Modes and back surface distance and receives the manipulation of user, Installation Modes indicates the layout of housing relative to the wall on the back surface direction of housing of loudspeaker apparatus, and the instruction of back surface distance is apart from the distance of wall; Calculation element, calculation element is used for the time of delay calculating the decay part of loudspeaker apparatus based on the Installation Modes inputted from manipulation receiving system and back surface distance; And transmitting device, transmitting device is used for be transferred to loudspeaker apparatus the time of delay calculated by calculation element.
The computer that program according to aspects of the present invention makes it possible to the mobile phone communicated with loudspeaker apparatus is used as: manipulate receiving system, manipulation receiving system is used for the operation control picture by showing the input receiving Installation Modes and back surface distance and receives the manipulation of user, Installation Modes indicates the layout of housing relative to the wall on the back surface direction of housing of loudspeaker apparatus, and the instruction of back surface distance is apart from the distance of wall; Calculation element, calculation element is used for the time of delay calculating the decay part of loudspeaker apparatus based on the Installation Modes inputted from manipulation receiving system and back surface distance; Transmitting device, transmitting device is used for be transferred to loudspeaker apparatus the time of delay calculated by calculation element; Second manipulation receiving system, the second manipulation receiving system receives the manipulation of user for the operation control picture of the input of the type by display reception wall; Gain correcting device, gain correcting device is used for the gain of the equalizer of the types corrective loudspeaker apparatus according to the wall by the second manipulation receiving system input; With the second transmitting device, the second transmitting device is used for corrected gain transfer to loudspeaker apparatus.
Invention beneficial effect
According to the present invention, user can set the time of delay of the second loudspeaker unit only by by the Installation Modes of loudspeaker apparatus and back surface distance input to remote controllers.
Accompanying drawing explanation
Fig. 1 is the external view of diagram according to the loudspeaker apparatus of the embodiment of the present invention.
Fig. 2 is the perspective view that diagram is arranged on the head member of the upper end of loudspeaker apparatus.
Fig. 3 is the example of the Installation Modes of diagram loudspeaker apparatus.
Fig. 4 is the block diagram of the electronic circuit of diagram loudspeaker apparatus.
Fig. 5 is the diagram signal processing unit of loudspeaker apparatus and the block diagram of loudspeaker drive.
Fig. 6 is the figure of the characteristic being shown in the filter arranged in loudspeaker apparatus.
Fig. 7 illustrates the method for the time of delay calculating the sound sent from the loudspeaker unit arranged in back surface direction.
Fig. 8 is the block diagram that diagram is used as the mobile phone of the remote controllers of loudspeaker apparatus.
Fig. 9 is the functional-block diagram illustrating the remote controllers (DTA controller) cooperated with mobile phone and application program.
Figure 10 illustrates the tree of the display frame of remote controllers.
Figure 11 illustrates options screen and equalizer picture.
Figure 12 illustrates acoustic environment setting screen.
Figure 13 illustrates wall and selects picture.
Figure 14 illustrates gain calibration table.
Embodiment
Loudspeaker apparatus according to the embodiment of the present invention will be described with reference to the drawings.Fig. 1 is the outside drawing of diagram loudspeaker apparatus 1, and wherein Fig. 1 (A) is front view, and Fig. 1 (B) is right side view, and Fig. 1 (C) is posterior view.
Loudspeaker apparatus 1 comprise accommodate multiple loud speaker housing, from the disc shaped base 14 of floor surface support housing 11 and the bar-shaped base (pillow) 13 housing 11 being connected to base portion 14.Housing 11 is supported by base 13 and base portion 14, and is established on vertical direction.
Housing 11 has approximate quadrangular prism shape, and has width upwards slightly narrow in front side up.That is, housing 11 says to have corner frustum shape (shape obtained by the side, summit (head) of the surface parallel with basal surface cutting quadrangular pyramid) exactly.The side surface of housing 11 tilts 2% to plumb line.Become with the crestal line portion 19 be placed between both side surface, in the mode of front (user side to), loudspeaker apparatus 1 is installed.In the following description, front is to being called as front side, and back surface direction is called as dorsal part.In addition, the direction be in when front user upwards observes loudspeaker apparatus 1 is used as left and right directions.
As shown in Fig. 1 (B) and 1 (C), in loudspeaker apparatus 1, loudspeaker unit 210L and 210R is configured to backward-facing, and loudspeaker grid 12 is arranged on the back surface side of housing 11.Therefore, do not need to provide loudspeaker grid 12 on the front side of loudspeaker apparatus 1.
The inner side of housing 11 by two divides, and has the structure that in the vertical direction has three spaces.Housing 11 be used as wherein to go up space loudspeaker unit 211C, for the loudspeaker enclosure 30 of midrange, wherein central space holds the boombox case 31 of loudspeaker unit 210L and 210R, and wherein descends the circuit box 32 of space electronic circuit 15.
In addition, the loudspeaker enclosure 30 for midrange comprises the upper surface with opening, and loudspeaker unit 211C is attached to opening portion faceup.The head member 10 of the sound reflection sent from loudspeaker unit 211C to front side is further provided on loudspeaker unit 211C.
Loudspeaker unit 210L and 210R is the full frequency speaker unit of the corresponding left and right acoustic channels of playback for being responsible for low range and high range.Loudspeaker unit 211C be for responsible midrange playback, left and right acoustic channels share mid frequency ludspeaker unit.Herein, midrange mainly contains voice and the frequency band corresponding with the scope of such as 100Hz to 7000Hz.Meanwhile, midrange is not limited thereto, and can be such as 300Hz to the 3400Hz of the frequency band of phone.High range is the frequency band higher than midrange, and low range is the frequency band lower than midrange.Hereinafter, the lower frequency limit of midrange is referred to as FL, and the upper limiting frequency of midrange is referred to as FH.
Fig. 2 is the perspective view of illustrated header part.Head member 10 comprise there is playback opening 110 upper body part 101, be arranged in top board 102 on the upper surface of main part 101 and bottom skirt (skirt) 106.The shape approximation of main part 101 is cubes.Circular opening portion 103A is formed in the central portion office of the base plate 103 of head member 10.The bore of opening portion 103A is roughly identical with the bore of loudspeaker unit 211C.
In the inner side of main part 101, form two reflecting parts 105 (105A and 105B), two reflecting parts 105 are triangular surface and connect the top edge of summit 105C and two side surface 111 and 112 on the downside at the edge between two side surfaces 113 and 114, wherein, two side surfaces 113 and 114 are backboards 104, and two side surfaces 111 and 112 are corresponding with (cutting out) playback opening 110.Be cube because main part 101 is approximate, surface, left and right 105A and 105B of reflecting part 105 forms the angle of about 45 ° relative to horizontal surface such as base plate 103.
The playback surface of loudspeaker unit 211C is erectly arranged on the downside of head member 10 at identical central axis place.In addition, the surface of the reflecting part 105 of head member 10 is arranged to the playback surface towards loudspeaker unit 211C, and inclination angle is about 45 °.Therefore, the sound upwards sent from loudspeaker unit 211C is up propagated into be reflected reflecting part 105, and is propagated in the lateral direction in both sides, clinodiagonal front, as shown in the arrow 130 in Fig. 2.Therefore, even if when sound upwards sends from loudspeaker unit 211C, sound is also reflected in reflecting part 105, and thus can the left and right directions do not propagated into from the front-surface side of the side surface of housing 11 by sound in lossy situation front side.
Fig. 3 illustrates the example of the Installation Modes of loudspeaker apparatus 1.Fig. 3 (A) illustrates the example of wherein installing loudspeaker apparatus 1 while leaning against the corner (corner) 81 in room.In installation mode, left and right wall 80L and 80R in corner 81 is positioned at after loudspeaker apparatus 1, is the reflecting surface of about 45° angle as the fore-and-aft direction with loudspeaker apparatus 1.In addition, Fig. 3 (B) illustrates the example of wherein installing loudspeaker apparatus 1 while leaning against wall 80.In installation mode, wall 80 is positioned at after loudspeaker apparatus 1, as the reflecting surface of fore-and-aft direction in about 90 ° of angles with loudspeaker apparatus 1.
When voice signal is input to loudspeaker apparatus 1, send the sound of left and right acoustic channels respectively from loudspeaker unit 210L and 210R.Loudspeaker unit 210L and 210R is arranged on (towards wall) on back surface direction.Therefore, when installing loudspeaker apparatus 1 as shown in Figure 3, the sound of the left and right acoustic channels sent from loudspeaker unit 210L and 210R is reflected on back surface direction in wall 80 (L and R), and is transmitted to front side (indoor direction).Therefore, the sound sent from loudspeaker unit 210L and 210R sends from the loudspeaker unit 211C upper surface, and thus compared with directly propagating into the sound of front side, in wall 80, the time of the distance of reflection is slower.Therefore, in the signal processing unit 201 (with reference to figure 5) of loudspeaker apparatus 1, by postponing the time corresponding with the distance reflected in wall 80, the audio signal being input to loudspeaker unit 211C is consistent with the timing that the sound sent by loudspeaker unit 210L and 210R and loudspeaker unit 211C arrives user.
In addition, when installing loudspeaker apparatus 1 as shown in Figure 3, the sound of the left and right acoustic channels sent from loudspeaker unit 210L and 210R is reflected on back surface direction in wall 80 (L and R), and is transmitted to front side (indoor direction).The sound of the high range in the sound that loudspeaker unit 210L and 210R sends has strong linearity, and thus the sound of high range reflects well in wall, thus contributes to giving stereo perception to hearer.In addition, the sound of low range does not acoustically have strong location sense.Therefore, even if when hearing sound near wall surface, but indisposed sense is less for user (hearer).On the contrary, the sound of midrange is corresponding with the range of the Conversation Voice or singing sound that comprise people.Therefore, when sound reflex time in wall surface, sound is greatly attenuated and becomes so-called " regaining (withdrawal) ", thus reduces the definition of sound.Herein, loudspeaker apparatus 1 extracts the component of midrange from the sound of left and right acoustic channels, and sends the sound of midrange from supine loudspeaker unit 211C.Although loudspeaker unit 211C faces up, owing to being arranged on the head member 10 on loudspeaker unit 211C, the sound of the midrange sent advantageously is propagated into front side.Therefore, it is possible to make clearly to be heard from low range to the sound of high range by user, and do not feel well.
Electronic circuit 15 is structured in the circuit box 32 of housing 11.Fig. 4 is the block diagram of the major part of diagram electronic circuit 15.In addition, Fig. 5 is the block diagram of the diagram signal processing unit 201 of electronic circuit 15 and the details of loudspeaker drive 202.In the diagram, electronic circuit 15 comprises controller 50, signal processing unit 201, loudspeaker drive 202, input selector 53, bluetooth (Bluetooth, registered trade mark) telecommunication circuit 54 and cable connector 55.
Controller 50 comprises icon.Bluetooth communication circuit 54 is connected to controller 50.Bluetooth communication circuit 54 receives the order that receives from the machine such as multifunctional mobile telephone (smart mobile phone) with the controller function input to controller 50.Controller 50 is based on the setting of the command execution signal processing unit 201 inputted from bluetooth communication circuit 54 and the selection of signal that inputted by input selector 53.Bluetooth communication circuit 54 and cable connector 55 are connected to input selector 53.The audio signal inputted from selection circuit according to any one in the selection signal behavior bluetooth communication circuit 54 inputted from controller 50 and cable connector 55, and is input to signal processing unit 201 by input selector 53.
Signal processing unit 201 adjusts the sound quality of (2 channel stereo) audio signal inputted from input selector 53, extract from the signal of left and right acoustic channels and synthesize the component of midrange, and to be exported by the signal of generation be the audio signal of triple-track (center channel).In addition, signal processing unit 201 makes the sound sent from corresponding loudspeaker unit 210L, 210R and 211C arrive the time consistency of user by the audio signal postponing center channel.In Figure 5, loudspeaker drive 202 comprises amplifier 226L and 226R and the amplifier 229 of three sound channels, amplify the respective audio signal of L channel, R channel and midrange, and amplifying signal is outputted to corresponding loudspeaker unit 210L, 210R and 211C.The details of signal processing unit 201 and loudspeaker drive 202 is described with reference to Fig. 5.
Fig. 5 is the diagram signal processing unit 201 of loudspeaker apparatus 1 and the block diagram of loudspeaker drive 202.In a block diagram, signal processing unit 201 comprises low pass filter 220L, 220R, 227L and 227R, high pass filter 221L and 221R, gain adjusting part 223L, 223R, 224L, 224R, 228L and 228R, addometer 225L, 225R and 230C and decay part 231C.In addition, loudspeaker drive 202 comprises amplifier 226L, 226R and 229C.
Left channel audio signal importation 212L inputs the audio signal of L channel, and the audio signal of L channel is fed to low pass filter 220L and 227L and high pass filter 221L.Low pass filter 220L is the filter that the signal of the lower frequency limit FL making to be equal to or less than midrange passes through.The frequency characteristic of low pass filter 220L is illustrated in Fig. 6 (B).Leftmost curve LPF indicates the characteristic of low pass filter 220L.In the gain of gain adjusting part 223L place adjustment by the audio signal of the low range of low pass filter 220L, and audio signal is imported into addometer 225L.High pass filter 221L is the filter that the signal of the upper limiting frequency FH making to be equal to or higher than midrange passes through.The frequency characteristic of high pass filter 221L is illustrated in Fig. 6 (B).Right side graph HPF indicates the characteristic of high pass filter 221L.In the gain of gain adjusting part 224L place adjustment by the audio signal of the high range of high pass filter 221L, and audio signal is imported into addometer 225L.Addometer 225L adds and synthesizes the low range of L channel and the audio signal of high range.Be exaggerated device 226L and amplify by adding and synthesizing the audio signal obtained and be fed to loudspeaker unit 210L.Meanwhile, gain adjusting part 223L and 224L can be included in low pass filter 220L and high pass filter 221L respectively.
The audio signal of R channel is imported into right channel audio signal importation 212R, and the audio signal of R channel is fed to low pass filter 220R and 227R and high pass filter 221R by right channel audio signal importation 212R.
Low pass filter 220R is the filter that the signal of the lower frequency limit FL making to be equal to or less than midrange passes through.Similar with low pass filter 220L, in the left side of Fig. 6 (B), also show the frequency characteristic of low pass filter 220R.In the gain of gain adjusting part 223R place adjustment by the audio signal of the low range of low pass filter 220R, and audio signal is imported into addometer 225R.High pass filter 221R is the filter that the signal of the upper limiting frequency FH making to be equal to or higher than midrange passes through.Similar with high pass filter 221L, in the right side of Fig. 6 (B), also show the frequency characteristic of high pass filter 221R.In the gain of gain adjusting part 224R place adjustment by the audio signal of the high range of high pass filter 221R, and audio signal is imported into addometer 225R.Addometer 225R adds and synthesizes the low range of R channel and the audio signal of high range.Be exaggerated device 226R and amplify by adding and synthesizing the audio signal obtained and be fed to loudspeaker unit 210R.Meanwhile, gain adjusting part 223R and 224R can be included in low pass filter 220R and high pass filter 221R respectively.
In addition, the low pass filter 227L of L channel is the filter that the signal of the lower frequency limit FL making to be equal to or less than midrange passes through.Also the frequency characteristic of low pass filter 227L is shown in Fig. 6 (A).In the gain of gain adjusting part 228L place adjustment by the audio signal of low pass filter 227L, and audio signal is imported into addometer 230C.The high pass filter 227R of R channel is the filter that the signal of the upper limiting frequency FH making to be equal to or less than midrange passes through.Similar with low pass filter 227L, in Fig. 6 (A), also show the frequency characteristic of low pass filter 227R.In the gain of gain adjusting part 228R place adjustment by the audio signal of low pass filter 227R, and audio signal is imported into addometer 230C.Addometer 230C adds and synthesizes the audio signal of the midrange of left and right acoustic channels.
Decay part 231C is imported into by adding and synthesizing the audio signal obtained.Audio signal is only postponed predetermined time of delay and output audio signal by decay part 231C.The sound being configured to time of delay wherein send from loudspeaker unit 210L and 210R reflects and turns back to the time near the position of installing loudspeaker apparatus 1 wall 80.Therefore, it is possible to make the timing of the sound arrival user wherein sent from loudspeaker unit 210L with 210R consistent with the timing that the sound wherein sent from loudspeaker unit 211C arrives user.The audio signal postponed by decay part 231C is amplified by amplifier 229C and is supplied to loudspeaker unit 211C.Meanwhile, gain adjusting part 228L and 228R can be respectively included in low pass filter 227L and low pass filter 227R.
The component of low range is comprised from the audio signal of low pass filter 227L and 227R output.But, loudspeaker unit 211C is mid frequency ludspeaker unit and has the characteristic not sending low range sound, thus the sound sent from loudspeaker unit 211C becomes the sound of only midrange, and the sound of this midrange is obtained by the above-mentioned filter characteristic in the loudspeaker performance correction chart 2 (A) that is illustrated by the broken lines.Meanwhile, low pass filter 227L and 227R can be the band pass filter of midrange.
Meanwhile, the retardation (time of delay) of decay part 231C and the gain of gain adjusting part 223L, 223R, 224L, 224R, 228L and 228R is set by controller 50.When independent control the gain of gain adjusting part 223L and 223R of the gain of the low range of adjustment, the gain adjusting gain adjusting part 224L and 224R of the gain of high range and adjustment midrange the gain of gain adjusting part 228L and 228R of gain time, gain adjusting part 223L and 223R, gain adjusting part 224L and 224R and gain adjusting part 228L and 228R can be made to be used as equalizer.The sound of adjacent range is sent from independent loudspeaker unit.Therefore, when adjusting the gain of high range, midrange and low range, the controlled sound of wherein gain is sent independently when not affecting adjacent range.
As mentioned above, when the component signal of low range and the component signal of high range to be amplified by identical amplifier and when sending from identical loudspeaker unit 210, and when the component signal of the component signal of midrange and low range to be amplified by amplifier separately and when sending from the loudspeaker unit separated, by two-way loudspeaker apparatus, high range, midrange can be separated with low range, and thus be easy to independently adjust gain.In addition, bass and high pitch according in the loudspeaker apparatus of this area in system divides is become, when such as low range is enhanced, midrange affects by the raising of low range, result is gain increase and the sound quality of midrange changes, and thus burden is applied to the amplifier amplified by middle bass.But according in the loudspeaker apparatus 1 of embodiment, even if when low range is enhanced, midrange is not also affected, and thus sound quality does not change and bears and is not applied to loudspeaker unit.
Fig. 7 illustrates the method calculating the retardation (time of delay) set in decay part 231C.Fig. 7 (A) illustrates the method for the computing relay amount when Installation Modes is " corner arrangement ", and Fig. 7 (B) illustrates the method for the computing relay amount when Installation Modes is " wall arrangement ".Herein, Reference numeral A represents cornerwise 1/2 length of the flat shape (approximating square) of loudspeaker apparatus 1, Reference numeral B represents the length of the center of the flat shape of loudspeaker apparatus 1 to loudspeaker unit 210 (L/R), and B=A*cos40 °.That is, loudspeaker unit 210 is configured to tilt towards the diagonal of the fore-and-aft direction from housing 11 direction of 40 °.
Planar dimension A and B of loudspeaker apparatus 1 is previously stored.In addition, the distance L of Installation Modes and the wall 80 (corner 81) after loudspeaker apparatus 1 is inputted by user.When inputting Installation Modes and to the distance L of wall 80, computing equation is below used to calculate distance X between loudspeaker unit 210 and wall surface.Equation 1 is the computing equation used when corner is settled, and equation 2 is the computing equatioies when wall is settled.Distance X is corresponding with the distance that the sound sent from loudspeaker unit 210 arrives till wall 80.
X=((L+A)/cos45 °)/cos5 ° equation (1)
X=((L+A)/cos40 ° equation (2)
In addition, in an embodiment, assuming that the twice of the distance X calculated (2X) approximate be that the sound sent from loudspeaker unit 210 arrives path till user and from the range difference between the path that the sound that loudspeaker unit 211 sends arrives till user, and eliminate D time of delay that range difference 2X spends and calculated and be set in decay part 231C.Meanwhile, the method for the computing relay time of " sound sent from loudspeaker unit 210 arrive path till user and from the range difference between the path that the sound that loudspeaker unit 211 sends arrives till user " is not limited to method described in reference diagram 7 for eliminating.
Use remote controllers to input Installation Modes and the distance to wall 80 by user, remote controllers are communicated with loudspeaker apparatus 1 by bluetooth.Such as, the multifunctional mobile telephone (smart phone) being wherein provided with controller application program is used as remote controllers.Based on the Installation Modes inputted by user and distance L, can by remote controllers perform distance X and time of delay D calculating, or can by the controller 50 of loudspeaker apparatus 1 execution distance X and time of delay D calculating.In addition, this computing can be shared by remote controllers and controller 50.
Fig. 8 is the block diagram illustrating the mobile phone 300 wherein performing DTA controller application program 350, mobile phone 300 is communicated by bluetooth with multifunctional mobile telephone (hereinafter, the being called mobile phone simply) loudspeaker apparatus 1 with Long-distance Control and performs sound and sets.Meanwhile, wherein the mobile phone 300 of execution DTA controller application program 350 functionally forms DTA controller 400 as shown in Figure 9.
Mobile phone 300 is included in controller 320, control device 330, media interface 331,3G/4G telecommunication circuit 332, bluetooth communication circuit 333 and Wi-Fi telecommunication circuit 334 in bus 326.Controller 320 comprises CPU321, ROM (flash memory) 322, RAM323, image processor 324 and Sound Processor Unit 325.Image processor 324 is connected to video-ram (VRAM) 340, and VRAM340 is connected to display part 341.Display part 341 comprises liquid crystal display, and shows standby picture, telephone number etc.In addition, the picture of DTA controller 400 is also displayed on display part 341.Sound Processor Unit 325 is connected to the amplifier 342 comprising D/A converter, and amplifier 342 is connected to loud speaker 316.
Image processor 324 comprises Graphics Processing Unit (GPU), and GPU generates various figure such as standby picture and telephone number.When DTA controller application program 350 starts, image processor 324 generates the image of the DTA controller as shown in Figure 11 to 13 according to the instruction of GPU321, and on VRAM340 configuration image.The image that VRAM340 configures is displayed on display part 341.
Sound Processor Unit 325 has the digital signal processor (DSP) of coding/decoding call sound.Sound Processor Unit 325 by coded/decoding voice output to amplifier 342.Amplifier 342 amplifies this voice signal and the voice signal of generation is outputted to loud speaker 316.
3G/4G telecommunication circuit 332 performs speech and data communication by mobile telephone communications network network.The application program etc. of DTA controller is downloaded by data communication.Meanwhile, except downloading in 3G/4G communication, can also to be communicated by Wi-Fi or interface such as USB obtains application program.
Bluetooth communication circuit 333 with selected and set the machine communication that (pairing) is counterpart device.DTA controller application program 350 (DTA controller 400) communicates with loudspeaker apparatus 1, and transmits above-mentioned Installation Modes and distance L.
Wi-Fi telecommunication circuit 334 performs radio communication according to IEEE802.11g standard and WAP (wireless access point).Can perform in DLNA (DLNA) with this communication of loudspeaker apparatus 1.
Control device 330 comprises the touch panel be formed on display part 341, and the touch manipulation detected on touch panel and click manipulation.Media interface 331 is connected to memory card 315.Memory card 315 is such as miniature SD card.The application program downloaded from server by 3G/4G telecommunication circuit 332 is maintained at memory card 315 or ROM322.In mobile phone 300, as shown in Figure 8, DTA controller application program 350 is maintained in memory card 315.Meanwhile, except program body, controller application program 350 also comprises the data performing this program necessity.The data of executive program necessity comprise such as showing the gain calibration table shown in the view data of the picture as shown in Figure 11 to 13 and Figure 14.
In ROM322, store the application program of base program for performing telephone relation and mobile phone 300.In addition, ROM322 is flash memory, and can store the application program of the download except base program.In RAM323, set the working region used when CPU320 performs DTA controller application program 350.
Transmission of messages by the DTA controller 400 formed as shown in Figure 9 that cooperates with the DTA controller application program 350 maintained in memory card 315, and is carried out control loudspeaker equipment 1 to loudspeaker apparatus 1 through bluetooth by mobile phone 300.
Functional-block diagram with reference to Fig. 9 describes the DTA controller 400 realized in the mode reading DTA controller application program 350 by mobile phone 300 (hardware).DTA controller 400 comprises operation control picture display part 410, manipulation test section 420, message editing and hop 430 and state fetching portion 440.
Operation control picture display part 410 is realized by the cooperation of controller 320, VRAM340, display part 341 and DTA controller application program 350, and shows various operation control picture on the display part 341 of mobile phone 300.In addition, manipulation test section 420 is realized by the cooperation of controller 320, control device 330 and DTA controller application program 350, and the manipulation (such as, the selection manipulation of Installation Modes and the input manipulation of distance L) detected the operation control picture be presented on display part 341.Detect manipulation information and be imported into operation control picture display part 410, message editing and hop 430 etc.
Message editing and hop 430 are realized by the cooperation of controller 320, bluetooth communication circuit 333 and DTA controller application program 350.Message editing and hop 430 edit the message corresponding with manipulation information based on the manipulation the information such as Installation Modes and distance L that input from manipulation test section 420.In addition, message editing and hop 430 by this transmission of messages to loudspeaker apparatus 1.When DTA controller 400 based on Installation Modes and distance L perform about distance X and time of delay D computing time, this message comprises D time of delay (with distance X).When the controller 50 by loudspeaker apparatus 1 performs computing, this message comprises Installation Modes and distance L.
State fetching portion 440 is realized by the cooperation of controller 320, bluetooth communication circuit 333 and DTA controller application program 350.State fetching portion 440 inquires loudspeaker apparatus 1, and obtains the mode of operation of loudspeaker apparatus 1.Mode of operation comprises Installation Modes, distance L and the content by equalizer settings, and equalizer comprises above-mentioned gain adjusting part 223L and 223R, gain adjusting part 224L and 224R and gain adjusting part 228L and 228R.The mode of operation obtained is reflected in the initial value of the operation control picture shown in Figure 12 etc.
Figure 10 illustrates the tree of the display frame of DTA controller 400.Figure 11 is views of the example of the options screen of diagram display frame to 13.
In Fig. 10, when DTA controller 400 starts, by operation control picture display part 410, top field 501 is formed on display part 341.In top field 501, show reproduction button 502, schedule button 503 and setting button 504.When patting (pressing manipulation momently) reproduction button 502 in top field 501, the picture that display part 341 is formed is transitioned into reproduced picture 510 from top field 501.On reproduced picture 510, show source machine selection window 511 and manipulation button groups 512.In source machine selection window 511, show multiple source machine (machine that the machine such as, selected by bluetooth is connected with by cable connector 55).User is from patting between this machine and selecting the machine expected.If the manipulation button groups 512 like this, for manipulating selected machine is displayed on display part 341.
In addition, OptionButton 513 is also displayed on reproduced picture 510.OptionButton 513 is the buttons for making picture be transitioned into the options screen 530 for inputting above-mentioned Installation Modes and distance L.When patting OptionButton 513, the picture that display part 341 is formed is transitioned into options screen 530 from reproduced picture 510.
Meanwhile, when patting schedule button 503 in top field 501, the picture that display part 341 is formed is transitioned into schedule picture 520 from top field 501, reproduces and lighting schedule in schedule picture 520 by week setting.In addition, when patting setting button 504 in top field 501, the picture that display part 341 is formed is transitioned into the setting screen 521 for performing the pairing process of bluetooth and the synchronous of clock from top field 501.
Figure 11 (A) illustrates the options screen 530 formed at display part 341.In options screen 530, show acoustic environment button 531, EQ (sound adjustment) button 532 and return push-button 533.Acoustic environment button 531 is the buttons for the picture that display part 341 is formed being transitioned into the acoustic environment setting screen 540 shown in Figure 12.Acoustic environment setting screen 540 is the pictures for inputting above-mentioned installation environment and distance L.EQ button 532 is the buttons for the picture that display part 341 is formed being transitioned into the equalizer picture 560 shown in Figure 11 (B).In addition, return push-button 533 is the buttons for the picture that display part 341 is formed being turned back to reproduced picture 510.
In Figure 11 (B), on equalizer picture 560, show low range gain adjusting part 561, midrange gain adjusting part 562, high range gain adjusting part 563 and even (flat) button 564.Low range gain adjusting part 561 comprises block diagram 561A, the upper button 561U of instruction setting gain and lower button 561D.When user perform on upper button 561U press manipulation time, the gain of low range increased according to manipulation time or manipulation number of times, and the coloured part that thus coloured part of block diagram 561A extends in an upward direction or extends in a downward direction shrinks.When user perform on lower button 561D press manipulation time, the gain of low range reduced according to manipulation time or manipulation number of times, and the coloured part that thus coloured part of block diagram 561A extends in a downward direction or extends in an upward direction shrinks.The structure of midrange gain adjusting part 562 and high range gain adjusting part 563 and operation are identical with low range gain adjusting part 561.In addition, when patting even button 564, all gains of low range, midrange and high range are reset as 0dB (central authorities of figure).When user manipulates equalizer picture, the gain set by this manipulation is real-time transmitted to loudspeaker apparatus 1 by message editing and hop 430.
In fig. 12, on acoustic environment setting screen 540, show and arrange select button 541 (541A, 541B and 541C), distance input part 542, wall select button 544 and return push-button 545.Arrange that select button 541 (541A, 541B and 541C) is the button of the Installation Modes for input loudspeaker equipment 1, and by the display of such as predetermined icon.When the corner of the loudspeaker apparatus 1 shown in Fig. 7 (A) is settled, user pats button 541A.When the wall of the loudspeaker apparatus 1 shown in Fig. 7 (B) is settled, user pats button 541C.In addition, button 541B is the button of patting when installing loudspeaker apparatus 1 when the centre between corner is settled and wall is settled settles, is namely in the corner in room to lean against wall.When patting any one of arranging in select button 541, the plan view 543 of Installation Modes selected by operation control picture display part 410 show on acoustic environment setting screen 540.The plan view 543 of Figure 12 illustrates the example shown when patting the button 541A that corner is settled.
In fig. 12, plan view 543 indicates the distance from loudspeaker apparatus 1 to the ad-hoc location of wall 80 (corner 81).Distance input part 542 comprises block diagram 542A ,+button 542U and the-button 542D of instruction distance L.When user perform on+button 542U press manipulation time, distance L is according to the manipulation time or manipulate number of times and increase, and thus the coloured part of block diagram 542A extends in right direction.In addition, when user perform on-button 542D press manipulation time, distance L is according to the manipulation time or manipulate number of times and reduce, and thus the coloured part of block diagram 542A shrinks in left direction.When on display part 341 formed picture be separated from acoustic environment setting screen 540 by the manipulation that user performs time, acoustic environment setting screen 540 input Installation Modes and distance L determined.
When DTA controller 400 calculates distance X and D time of delay, manipulation test section 420 based on the Installation Modes of input and distance L calculating distance X and time of delay D, and D time of delay is transferred to loudspeaker apparatus 1 by message editing and hop 430.In loudspeaker apparatus 1, D time of delay is also input to controller 50 by bluetooth communication circuit 54 receive delay time D, and controller 50 sets D time of delay in the decay part 231C of signal processing unit 201.
When the controller 50 of loudspeaker apparatus 1 calculates distance X and D time of delay, the Installation Modes of input and distance L are transferred to loudspeaker apparatus 1 as message by the message editing of DTA controller 400 and hop 430 in immovable situation.In loudspeaker apparatus 1, bluetooth communication circuit 54 receives Installation Modes and distance L and Installation Modes and distance L is input to controller 50, and controller 50 calculate distance X and time of delay D set D time of delay in the decay part 231C of signal processing unit 201.
In addition, when patting wall select button 544 on acoustic environment setting screen 540, the picture that display part 341 is formed performs the transition that picture 550 selected by the wall shown in from acoustic environment setting screen 540 to Figure 13.Select, on picture 550, to show wall select button 551 and low range gain adjusting part 552 at wall.Because sound reflection efficiency is different according to the type of wall, so wall selects picture 550 to be provided for user's input loudspeaker equipment 1 type of wall 80 below thus the picture of correcting balancer.Such as, wall select picture 550 be provided for loudspeaker apparatus 1 perform the process of emphasizing bass when selected wall is formed by antiradar reflectivity material and when this wall is formed by highly reflective material the picture emphasized of suppression bass.
Wall select button 551 is buttons of the type (material) for selecting the wall 80 after loudspeaker apparatus 1, and comprise the button of type in following 4, namely represent " interval wall and door " button 551A of hollow wall, indicate " concrete wall " button 551B of solid hard wall, indicate " fusuma (Japanese sliding door) and paper sliding door (paper sliding door) " the button 551C that formed by paper and cloth subregion and at the situation of other wall or other button 551D of manipulating under not knowing situation.
In addition, DTA controller 400 (message editing and hop 430 or state fetching portion 440) stores gain calibration table as shown in figure 14.In gain calibration table, according to the corrected value of the gain of the low range of the type of the wall 80 after loudspeaker apparatus 1 write equalizer, midrange and high range.When user manipulates wall select button 551 and the type of wall is selected, DTA controller 400 reads gain correcting value according to the type of wall, perform correction by the set point of gain correcting value being added to the equalizer picture 560 in Figure 11 (B), and corrected set point is transferred to loudspeaker apparatus 1.
In addition, low range gain adjusting part 552 is control devices of the gain for adjusting low range further according to the preference of user, and identical with the low range gain adjusting part 561 of the equalizer picture in Figure 11 (B).Low range gain adjusting part 552 comprises block diagram 552A ,+button 552U and the-button 552D of the gain indicating low range.When user perform on+button 552U press manipulation time, the gain of low range increased according to manipulation time or manipulation number of times, and the coloured part of block diagram 552A extends in right direction.Therefore, when user perform on-button 552D press manipulation time, the gain of low range reduced according to manipulation time or manipulation number of times, and the coloured part of block diagram 552A shrinks in left direction.When user manipulates equalizer picture, the gain set by this manipulation is real-time transmitted to loudspeaker apparatus 1 by message editing and hop 430.
Meanwhile, the shape of the housing 11 of loudspeaker apparatus 1 is not limited to corner frustum shape.Housing 11 can have general cylindrical, such as truncated cone shape, cylindrical shape or polygonal column shape, and can have any shape of installing necessary part such as loudspeaker unit.Can any assembly of free revision for execution example in the scope not damaging main idea of the present invention.Meanwhile, the loudspeaker unit 211C for midrange can be configured to towards front surface instead of face up.
The Japanese patent application No.2013-176231 that the application submitted to based on August 28th, 2013, and the content of this application is incorporated to herein by reference.
Reference numerals list
1: loudspeaker apparatus
10: head member
11: housing
15: electronic circuit
201: signal processing unit
202: loudspeaker drive
210L, 210R, 211C: loudspeaker unit
300: mobile phone
400:DTA controller
Claims (10)
1. a loudspeaker apparatus, described loudspeaker apparatus comprises:
Housing, described housing has opening portion on the back surface, and the opening portion on upper surface or front surface;
First loudspeaker unit, described first loudspeaker unit is arranged in the described opening portion on described back surface;
Second loudspeaker unit, described second loudspeaker unit is arranged in the described opening portion on described upper surface or described front surface;
Decay part, described decay part is applicable to the sound postponing to send from described second loudspeaker unit;
Manipulation receiving system, described manipulation receiving system is for receiving the input of Installation Modes and back surface distance, described Installation Modes indicates described housing relative to the layout of the wall on the back surface direction of described housing, and described back surface distance is the distance apart from described wall;
Calculation element, described calculation element is used for the time of delay calculating described decay part based on the described Installation Modes inputted from described manipulation receiving system and described back surface distance; With
Setting device, described setting device is used for be set in described decay part the described time of delay calculated by described calculation element.
2. an audio reproducing system, described audio reproducing system comprises loudspeaker apparatus and remote controllers,
Wherein, described loudspeaker apparatus comprises:
Housing, described housing has opening portion on the back surface, and the opening portion on upper surface or front surface;
First loudspeaker unit, described first loudspeaker unit is arranged in the described opening portion on described back surface;
Second loudspeaker unit, described second loudspeaker unit is arranged in the described opening portion on described upper surface or described front surface;
Decay part, described decay part is applicable to the sound postponing to send from described second loudspeaker unit; With
Communication unit, described communication unit is applicable to communicate with described remote controllers,
Wherein, described remote controllers comprise:
Communication unit, described communication unit is applicable to communicate with described loudspeaker apparatus;
Manipulation receiving system, described manipulation receiving system is used for the operation control picture by showing the input receiving Installation Modes and back surface distance and receives the manipulation of user, described Installation Modes indicates described housing relative to the layout of the wall on the back surface direction of described housing, and the instruction of described back surface distance is apart from the distance of described wall; With
Transmitting device, described transmitting device is used for will from the described Installation Modes of described manipulation receiving system input and described back surface Distance Transmission to described loudspeaker apparatus, and
Wherein, described loudspeaker apparatus comprises:
Calculation element, described calculation element is used for the time of delay calculating described decay part based on the described Installation Modes received from described remote controllers and described back surface distance; With
Setting device, described setting device is used for be set in described decay part the described time of delay calculated by described calculation element.
3. an audio reproducing system, described audio reproducing system comprises loudspeaker apparatus and remote controllers,
Wherein, described loudspeaker apparatus comprises:
Housing, described housing has opening portion on the back surface, and the opening portion on upper surface or front surface;
First loudspeaker unit, described first loudspeaker unit is arranged in the described opening portion on described back surface;
Second loudspeaker unit, described second loudspeaker unit is arranged in the described opening portion on described upper surface or described front surface;
Decay part, described decay part is applicable to the sound postponing to send from described second loudspeaker unit; With
Communication unit, described communication unit is applicable to communicate with described remote controllers,
Wherein, described remote controllers comprise:
Communication unit, described communication unit is applicable to communicate with described loudspeaker apparatus;
Manipulation receiving system, described manipulation receiving system is used for the operation control picture by showing the input receiving Installation Modes and back surface distance and receives the manipulation of user, described Installation Modes indicates described housing relative to the layout of the wall on the back surface direction of described housing, and the instruction of described back surface distance is apart from the distance of described wall;
Calculation element, described calculation element is used for the time of delay calculating described decay part based on the described Installation Modes inputted from described manipulation receiving system and described back surface distance; With
Transmitting device, described transmitting device is used for be transferred to described loudspeaker apparatus the described time of delay calculated by described calculation element, and
Wherein, described loudspeaker apparatus comprises setting device, and described setting device is used for be set in described decay part the described time of delay received from described remote controllers.
4. the audio reproducing system according to Claims 2 or 3, wherein
Described loudspeaker apparatus comprises further:
Midrange filter, described midrange filter is applicable to extract from the audio-band of input audio signal the midrange component signal comprising voice, and described midrange component signal is fed to described second loudspeaker unit;
Low range filter and high range filter, described low range filter and described high range filter are applicable to extract the low range component signal except described midrange component signal and high range component signal, and described low range component signal and described high range component signal are fed to described first loudspeaker unit; With
Equalizer, described equalizer is applicable to the independent respective gain controlling the output signal of described low range filter, described midrange filter and described high range filter.
5. audio reproducing system according to claim 4, wherein
Midrange speaker is used as described second loudspeaker unit, and in described midrange speaker, the phonation characteristics of described low range is suppressed, and
Described midrange filter is applicable to extract comprise described low range component, low pass filter lower than the signal component of described midrange.
6. the audio reproducing system according to claim 4 or 5, wherein
Described remote controllers comprise further:
Second manipulation receiving system, described second manipulation receiving system receives the manipulation of user for the operation control picture of the input of the type by the described wall of display reception;
Gain correcting device, described gain correcting device is used for the described gain of equalizer according to the described types corrective of the described wall by described second manipulation receiving system input; With
Second transmitting device, described second transmitting device is used for by corrected gain transfer to described loudspeaker apparatus, and
Described loudspeaker apparatus by the described gain setting that receives from described remote controllers in described equalizer.
7. the audio reproducing system according to any one in claim 4 to 6, wherein
The described operation control picture of described remote controllers shows multiple Installation Modes, described multiple Installation Modes indicates described housing to arrange relative to the difference of the described wall on the described back surface direction of described housing respectively, and described manipulation receiving system receives the manipulation that described user selects a kind of Installation Modes from described multiple Installation Modes.
8. a program, the computer that described program makes it possible to the mobile phone communicated with loudspeaker apparatus is used as:
Manipulation receiving system, described manipulation receiving system is used for the operation control picture by showing the input receiving Installation Modes and back surface distance and receives the manipulation of user, described Installation Modes indicates the housing of described loudspeaker apparatus relative to the layout of the wall on the back surface direction of described housing, and the instruction of described back surface distance is apart from the distance of described wall; With
Transmitting device, described transmitting device is used for will from the described Installation Modes of described manipulation receiving system input and described back surface Distance Transmission to described loudspeaker apparatus.
9. a program, the computer that described program makes it possible to the mobile phone communicated with loudspeaker apparatus is used as:
Manipulation receiving system, described manipulation receiving system is used for the operation control picture by showing the input receiving Installation Modes and back surface distance and receives the manipulation of user, described Installation Modes indicates the housing of described loudspeaker apparatus relative to the layout of the wall on the back surface direction of described housing, and the instruction of described back surface distance is apart from the distance of described wall;
Calculation element, described calculation element is used for the time of delay calculating the decay part of described loudspeaker apparatus based on the described Installation Modes inputted from described manipulation receiving system and described back surface distance; With
Transmitting device, described transmitting device is used for be transferred to described loudspeaker apparatus the described time of delay calculated by described calculation element.
10. a program, the computer that described program makes it possible to the mobile phone communicated with loudspeaker apparatus is used as:
Manipulation receiving system, described manipulation receiving system is used for the operation control picture by showing the input receiving Installation Modes and back surface distance and receives the manipulation of user, described Installation Modes indicates the housing of described loudspeaker apparatus relative to the layout of the wall on the back surface direction of described housing, and the instruction of described back surface distance is apart from the distance of described wall;
Calculation element, described calculation element is used for the time of delay calculating the decay part of described loudspeaker apparatus based on the described Installation Modes inputted from described manipulation receiving system and described back surface distance;
Transmitting device, described transmitting device is used for be transferred to described loudspeaker apparatus the described time of delay calculated by described calculation element;
Second manipulation receiving system, described second manipulation receiving system receives the manipulation of user for the operation control picture of the input of the type by the described wall of display reception;
Gain correcting device, described gain correcting device is used for the gain of the equalizer of loudspeaker apparatus according to the described types corrective of the described wall by described second manipulation receiving system input; With
Second transmitting device, described second transmitting device is used for corrected gain transfer to described loudspeaker apparatus.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-176231 | 2013-08-28 | ||
| JP2013176231A JP6090066B2 (en) | 2013-08-28 | 2013-08-28 | Speaker device, audio playback system, and program |
| PCT/JP2014/071895 WO2015029874A1 (en) | 2013-08-28 | 2014-08-21 | Speaker device, audio reproduction system, and program |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105532021A true CN105532021A (en) | 2016-04-27 |
Family
ID=52586434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480047468.4A Pending CN105532021A (en) | 2013-08-28 | 2014-08-21 | Speaker device, audio reproduction system, and program |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3041273B1 (en) |
| JP (1) | JP6090066B2 (en) |
| CN (1) | CN105532021A (en) |
| WO (1) | WO2015029874A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110100459A (en) * | 2016-12-28 | 2019-08-06 | 索尼公司 | Audio signal transcriber and reproducting method, sound collection means and sound collection method and program |
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| CN106303898A (en) * | 2015-06-29 | 2017-01-04 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| WO2023171279A1 (en) * | 2022-03-07 | 2023-09-14 | ソニーグループ株式会社 | Audio output device and audio output method |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6090066B2 (en) | 2017-03-08 |
| EP3041273A1 (en) | 2016-07-06 |
| WO2015029874A1 (en) | 2015-03-05 |
| EP3041273B1 (en) | 2020-04-01 |
| JP2015046728A (en) | 2015-03-12 |
| EP3041273A4 (en) | 2017-05-03 |
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