CN106817654B - Sound effect treatment method, device and multimedia equipment - Google Patents
Sound effect treatment method, device and multimedia equipment Download PDFInfo
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- CN106817654B CN106817654B CN201710175037.1A CN201710175037A CN106817654B CN 106817654 B CN106817654 B CN 106817654B CN 201710175037 A CN201710175037 A CN 201710175037A CN 106817654 B CN106817654 B CN 106817654B
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
Abstract
The embodiment of the present invention provides a kind of sound effect treatment method, device and multimedia equipment.The specific implementation principle of this method are as follows: acquisition space position parameter first, then data processing is carried out to the space position parameter, audio compensating parameter corresponding with the space position parameter is obtained, is finally handled according to audio of the audio compensating parameter to the loudspeaker output of the multimedia equipment.Above-mentioned design can mitigate significantly multimedia equipment due to place space environment difference caused by volume attenuation or sound quality destroy.
Description
Technical field
The present invention relates to audio effect processing technical fields, in particular to a kind of sound effect treatment method, device and multimedia
Equipment.
Background technique
Between between each metope of multimedia equipment (such as television set) place workspace environment (for example, bedroom, parlor)
Away from multifarious, and multimedia equipment is also different in the placement position of place workspace environment.Multimedia equipment exists
When work, the sound issued from multimedia equipment loudspeaker can be reflected by each metope of place workspace environment, and left and right is raised
Understand that between sound device to interfere with each other, and by the reflection of each metope after, sound can be destroyed further, so that it is defeated to reduce loudspeaker
Audio quality out.
The prior art configures sound effect parameters at a distance from ground according to multimedia equipment loudspeaker, asks so as to improve above-mentioned
Topic.However sound propagate in air be multiple directions centered on loudspeaker propagation, the above method still has audio
The problems such as it is poor to experience, and volume attenuation or sound quality are destroyed.
Summary of the invention
In order to overcome above-mentioned deficiency in the prior art, the purpose of the present invention is to provide a kind of sound effect treatment methods, dress
It sets and multimedia equipment, can mitigate significantly and eliminate multimedia equipment volume as caused by the difference of place space environment and decline
Subtract or sound quality is destroyed, to thoroughly promote audio experience.
To achieve the goals above, technical solution used by present pre-ferred embodiments is as follows:
Present pre-ferred embodiments provide a kind of sound effect treatment method, are applied to multimedia equipment.The multimedia equipment
On be provided at least one loudspeaker.The described method includes:
Obtain space position parameter, wherein the space position parameter includes that the multimedia equipment and place space exist
The distance parameter of multiple directions；
Data processing is carried out to the space position parameter, obtains audio compensation ginseng corresponding with the space position parameter
Number, wherein the audio compensating parameter includes L channel compensating parameter and right channel compensating parameter；
It is handled according to audio of the audio compensating parameter to the loudspeaker output of the multimedia equipment.
Present pre-ferred embodiments also provide a kind of sound-effect processing equipment, are applied to multimedia equipment, and the multimedia is set
It is standby to be provided at least one loudspeaker.Described device includes:
Module is obtained, for obtaining space position parameter, wherein the space position parameter includes the multimedia equipment
With place space multiple directions distance parameter；
Data processing module obtains joining with the spatial position for carrying out data processing to the space position parameter
The corresponding audio compensating parameter of number, wherein the audio compensating parameter includes L channel compensating parameter and right channel compensating parameter；
Audio effect processing module, for the sound according to the audio compensating parameter to the loudspeaker output of the multimedia equipment
Effect is handled.
Present pre-ferred embodiments also provide a kind of multimedia equipment, including memory, processor and audio effect processing dress
It sets.The sound-effect processing equipment installation is stored in the memory, and it is each to control the sound-effect processing equipment by the processor
The execution of functional module.
In terms of existing technologies, the invention has the following advantages:
Sound effect treatment method, device and multimedia equipment provided by the invention, by the space bit for obtaining multimedia equipment
Parameter is set, audio corresponding with the space position parameter is got according to the space position parameter of the multimedia equipment and is compensated
Parameter, to be handled according to audio of the audio compensating parameter to the loudspeaker output of the multimedia equipment.It realizes
Even if under different installation sites, multimedia equipment can also be mitigated or eliminated due to place spatial loop in the multimedia equipment
Volume attenuation caused by the difference in border or sound quality are destroyed, to thoroughly promote audio experience.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the block diagram for the multimedia equipment that present pre-ferred embodiments provide；
Fig. 2 is the sound effect treatment method flow diagram that present pre-ferred embodiments provide；
Fig. 3 is a kind of flow diagram for the sub-step that step S210 includes in Fig. 2；
Fig. 4 is a kind of schematic diagram for the multimedia equipment placement position that present pre-ferred embodiments provide；
Fig. 5 is another schematic diagram for the multimedia equipment placement position that present pre-ferred embodiments provide；
Fig. 6 is another flow diagram for the sub-step that step S210 includes in Fig. 2；
Fig. 7 is the flow diagram for the sub-step that step S220 includes in Fig. 2；
Fig. 8 is a kind of functional block diagram for the sound-effect processing equipment that present pre-ferred embodiments provide；
Fig. 9 is a kind of functional block diagram for the submodule that the acquisition module that present pre-ferred embodiments provide includes；
Figure 10 is another functional block diagram for the submodule that the acquisition module that present pre-ferred embodiments provide includes；
Figure 11 is the functional block diagram for the submodule that the data processing module that present pre-ferred embodiments provide includes.
Icon: 100- multimedia equipment；110- memory；120- processor；130- communication unit；140- storage control
Device；150- display unit；160- audio unit；200- sound-effect processing equipment；210- obtains module；211- first responds submodule
Block；The first receiving submodule of 212-；213- second responds submodule；The second receiving submodule of 214-；215- space position parameter
Acquisition submodule；220- data processing module；230- audio effect processing module；221- computational submodule；222- channel compensation parameter
Acquisition submodule；223- audio compensating parameter acquisition submodule.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Usually herein
The component of the embodiment of the present invention described and illustrated in place's attached drawing can be arranged and be designed with a variety of different configurations.Therefore,
The model of claimed invention is not intended to limit to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
It encloses, but is merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
With reference to the accompanying drawing, it elaborates to some embodiments of the present invention.In the absence of conflict, following
Feature in embodiment and embodiment can be combined with each other.
Referring to Fig. 1, Fig. 1 is the block diagram for the multimedia equipment 100 that present pre-ferred embodiments provide.In this hair
In bright embodiment, the multimedia equipment 100 can be the terminal device with audio or video playing function, for example, described
Multimedia equipment 100 may be, but not limited to, smart television, tablet computer, smart phone, intelligent sound etc..As a kind of excellent
The embodiment of choosing, the multimedia equipment 100 can be smart television.
As shown in Figure 1, the multimedia equipment 100 may include memory 110, processor 120, communication unit 130, deposit
Store up controller 140, display unit 150 and audio unit 160.The memory 110, communication unit 130, is deposited processor 120
Storage controller 140, display unit 150 and audio unit 160 are directly or indirectly electrically connected between each other, to realize data
Transmission or interaction.Electrically connect for example, these elements can be realized between each other by one or more communication bus or signal wire
It connects.Be stored with sound-effect processing equipment 200 in memory 110, the sound-effect processing equipment 200 include at least one can with software or
The form of firmware (Firmware) is stored in the software function module in the memory 110, and the processor 120 passes through operation
The software program and module being stored in memory 110, such as the sound-effect processing equipment 200 in the embodiment of the present invention, to hold
Row various function application and data processing, i.e. sound effect treatment method in the realization embodiment of the present invention.
Wherein, the memory 110 may be, but not limited to, random access memory (Random Access
Memory, RAM), read-only memory (Read Only Memory, ROM), programmable read only memory (Programmable
Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only
Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only
Memory, EEPROM) etc..Wherein, memory 110 is for storing program, the processor 120 after receiving and executing instruction,
Execute described program.Further, various input/output devices are couple processor 120 and memory by communication unit 130
110, software program and module in above-mentioned memory 110 may also include operating system, may include various for managing system
The component software of system task (such as memory management, storage equipment control, power management etc.) and/or driving, and can with it is various firmly
Part or component software mutually communicate, to provide the running environment of other software component.
The processor 120 can be a kind of IC chip, the processing capacity with signal.Above-mentioned processor
120 can be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit
(Network Processor, NP) etc..Can also be digital signal processor (DSP)), it is specific integrated circuit (ASIC), ready-made
Programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware group
Part.It may be implemented or execute each method, step disclosed in the embodiment of the present invention and logic diagram.General processor can be
Microprocessor or the processor 120 are also possible to any conventional processor etc..
The communication unit 130 can be used for establishing the transmission of the data between the multimedia equipment 100 and exterior terminal,
Illustratively, the exterior terminal can be remote control equipment, and the multimedia equipment 100 can receive the remote control equipment
After the wireless signal of sending, corresponding operation is carried out according to the wireless signal.
The display unit 150 may be used to provide an interactive interface (such as user interface) or for showing figure
As data.Illustratively, it is illustrated with the multimedia equipment 100 for smart television, the display unit 150 can be used for
Show that all kinds of programme channel contents, multimedia (such as music, video) content, TV of the multimedia equipment 100 are set
Set menu option etc..In the present embodiment, the display unit 150 can be liquid crystal display or touch control display.If touching
Display is controlled, can be the capacitance type touch control screen or resistance type touch control screen etc. of support single-point and multi-point touch operation.Support single-point
Refer to that touch control display can sense the one or more positions generation on the touch control display with multi-point touch operation
Touch control operation, and the touch control operation that this is sensed transfers to processor 120 to be calculated and handled.
The audio unit 160 for providing a user audio interface, may include one or more microphones, one or
The multiple loudspeakers of person and voicefrequency circuit.Illustratively, the audio unit 160 may include left channel loudspeaker and right channel
Loudspeaker, the left channel loudspeaker and the right channel loudspeaker can receive the audio electrical signal that the voicefrequency circuit issues
And the audio electrical signal is converted into corresponding audio frequency sound.In addition, the voicefrequency circuit be also used to receive by microphone from
The electric signal of audio frequency sound transformation, and converting electrical signal audio frequency is just handled accordingly.
It is appreciated that structure shown in FIG. 1 is only to illustrate, the multimedia equipment 100 can also include than shown in Fig. 1
More perhaps less component or with the configuration different from shown in Fig. 1.Each component shown in Fig. 1 can using hardware,
Software or combinations thereof is realized.
Referring to Fig. 2, Fig. 2 is a kind of flow diagram for the sound effect treatment method that present pre-ferred embodiments provide.Institute
It should be noted that method provided in an embodiment of the present invention is not limitation with Fig. 2 and specific order as described below.The method packet
The detailed process of each step included is as follows:
Step S210 obtains space position parameter.
Specifically, referring to Fig. 3, the step S210 may include sub-step S211 and sub-step S212, the sub-step
Rapid detailed process is as follows:
Sub-step S211, response audio setting instruction, shows audio set interface.
Specifically, the multimedia equipment 100 can also include that an audio for being used to receive the space position parameter is set
Set interface.It include the multimedia equipment 100 and place space in the present embodiment, in the audio set interface in multiple sides
To distance parameter setting options.Illustratively, the distance parameter setting options may include the left channel loudspeaker or
Between the distance between the right channel loudspeaker and wall parameter A setting options, the left channel loudspeaker and left metope
The distance between distance parameter B setting options, the right channel loudspeaker and right metope parameter C setting options, the left sound
Road loudspeaker or the distance between the right channel loudspeaker and roof parameter F setting options and the left channel loudspeaker or
The distance between the right channel loudspeaker and ground parameter G setting options.
It is further to note that in other embodiments, the audio set interface can also be not limited only in institute
It states and is shown on multimedia equipment 100, can also be shown on other terminal devices by being associated with other terminal devices.
Sub-step S212 receives the locational space parameter inputted in the audio set interface.
It is smart television as technical solution of the example to the embodiment of the present invention using the multimedia equipment 100 below to carry out
It is described in detail.
In the present embodiment, the mode that the multimedia equipment 100 receives the space position parameter of input, which can be, to be passed through
Remote control equipment (for example, TV remote controller) is inputted, can also be by the function button that is arranged on the multimedia equipment 100
It is inputted, can also be and inputted by other user terminals (such as smart phone).Embodiment party as one preferred
Formula, the multimedia equipment 100 can carry out the input of the space position parameter by remote control equipment, to simplify inlet flow
Journey.
Illustratively, the space position parameter may include the multimedia equipment 100 and place space in multiple sides
To distance parameter.Wherein, in the present embodiment, the multimedia equipment 100 " place space " can refer to: installation more matchmakers
The interior space of body equipment 100.Under normal conditions, the interior space can be the parlor of user, bedroom etc..It is described " multiple
Direction " can be centered on the multimedia equipment 100, the range direction towards each face in place space.
In order to more intuitively illustrate the multimedia equipment 100 and distance parameter of the place space in multiple directions, this reality
It applies example and further illustration is carried out to the placement position of the multimedia equipment 100, specifically please refer to Fig. 4 and Fig. 5.Institute
It may include the left channel loudspeaker or the right side that multimedia equipment 100 and place space, which are stated, in the distance parameter of multiple directions
The distance between the distance between channel loudspeaker and wall parameter A, the left channel loudspeaker and left metope parameter B, institute
State the distance between right channel loudspeaker and right metope parameter C, the left channel loudspeaker or the right channel loudspeaker and room
The distance between top parameter F and the left channel loudspeaker or the distance between the right channel loudspeaker and ground parameter G.
The above method can carry out the setting operation of space position parameter to the multimedia equipment 100 by user come real
The existing multimedia equipment 100 obtains the distance parameter with place space in multiple directions.In order to simplify the operating process of user,
The multimedia equipment 100 can also be arranged distance perception and answer identification device to realize obtaining automatically to the space position parameter
It takes.Specifically, referring to Fig. 6, the step S210 can also include sub-step S213, sub-step S214 and sub-step
S215.The detailed process for each sub-steps that the step S210 includes is as follows:
Sub-step S213 responds distance parameter acquisition instruction, controls the distance perception and answer identification device to multimedia equipment
The multiple directions at 100 places space send sound wave.
Sub-step S214 receives the sound wave reflected via the multiple direction, according to the sound wave of the sound wave of transmission and reflection
Between time difference obtain the multimedia equipment 100 and the distance parameter of place space in a plurality of directions.
Sub-step S215, according to obtaining the multimedia equipment 100 and the distance parameter of place space in a plurality of directions
Obtain the space position parameter of the multimedia equipment 100.
In the present embodiment, the distance perception answers identification device can be using sound ranging device, the sound ranging device
Sound wave, as an implementation, the cement bond logging can be sent to the multiple directions in the 100 place space of multimedia equipment
It can be separately positioned in the left channel loudspeaker and the right channel loudspeaker away from device.Specifically, the sound ranging
Device can be respectively from the multimedia equipment 100 to the left metope, the right metope, the ground, the roof and institute
It states wall and sends sound wave, at the time of the multimedia equipment 100 records when sending sound wave at this time.Described in being reached in the sound wave
Left metope, the right metope, the ground, the roof and the wall back reflection return the sound ranging device device
When, at the time of the multimedia equipment 100 records when receiving the sound wave after reflecting at this time.By send sound wave when at the time of and
Receive reflection after sound wave when at the time of, it is available arrive the corresponding time difference, due to the aerial spread speed of sound wave
It is certain, the left channel loudspeaker or the distance between the right channel loudspeaker and wall so can be obtained
Between the distance between parameter A, the left channel loudspeaker and left metope parameter B, the right channel loudspeaker and right metope
Distance parameter C, the left channel loudspeaker or the distance between the right channel loudspeaker and roof parameter F and the left sound
Road loudspeaker or the distance between the right channel loudspeaker and ground parameter G.
The above method answers identification device to obtain the multimedia equipment 100 automatically in place space by the distance perception
Space position parameter has the advantages that easy to operate, reduction user's learning cost, high degree of automation.
Referring to Fig. 2, step S220, data processing is carried out to the space position parameter, is obtained and the space
The corresponding audio compensating parameter of location parameter.
Specifically, referring to Fig. 7, the step S220 may include sub-step S221, sub-step S222 and sub-step
S233.The detailed process of each sub-step is as follows:
Sub-step S221 calculates the first difference, the second difference, third difference and the distance between ground and roof.
In the present embodiment, first difference can be the distance between the left channel loudspeaker and left metope parameter B
With the difference between the distance between the right channel loudspeaker and right metope parameter C, second difference can be the right side
The distance between channel loudspeaker and right metope parameter C and the distance between the left channel loudspeaker and left metope parameter B it
Between difference, the third difference can be the left channel loudspeaker or the distance between the right channel loudspeaker and roof
Difference between parameter F and the left channel loudspeaker or the distance between the right channel loudspeaker and ground parameter G.
It should be noted that the distance between the ground and roof are the left channel loudspeaker or the right channel
Between the distance between loudspeaker and roof parameter F and the left channel loudspeaker or the right channel loudspeaker and ground away from
Additive value from parameter G, in actual use, because the distance between roof and ground are certain value, for example, for commodity
The distance between roof and ground for house (i.e. layer is high) are generally 2.8 meters or so, if measure loudspeaker distance roof or
One of ground distance, another can directly be calculated.
Sub-step S222, according between first difference, the second difference, third difference and the ground and roof away from
From obtaining L channel compensating parameter corresponding with the space position parameter and right channel compensating parameter.
Specifically, institute can be obtained according to first difference, third difference and the distance between the ground and roof
State L channel compensating parameter.The L channel compensating parameter can be used for mending the audio that the left channel loudspeaker exports
It repays, so as to adjust the audio effect of the left channel loudspeaker.
Wherein, the calculation formula of the L channel compensating parameter are as follows:
In above-mentioned formula, x is L channel compensating parameter；B is the distance between the left channel loudspeaker and left metope ginseng
Number；C is the distance between the right channel loudspeaker and right metope parameter；F is the left channel loudspeaker or the right channel
The distance between loudspeaker and roof parameter；G be the left channel loudspeaker or the right channel loudspeaker and ground it
Between distance parameter；Z is apart from db-loss parameter.
It should be noted that described related with the propagation distance of sound apart from db-loss parameter.In general, sound
Sound is propagated in air, and distance often doubles, and sound intensity can decay 6DB, i.e., in the present embodiment, the Z can be 6.
Correspondingly, institute can be obtained according to second difference, third difference and the distance between the ground and roof
State right channel compensating parameter.The right channel compensating parameter can be used for mending the audio that the right channel loudspeaker exports
It repays, so as to adjust the audio effect of the right channel loudspeaker.
Wherein, the calculation formula of the right channel compensating parameter are as follows:
In above-mentioned formula, y is right channel compensating parameter；B is the distance between the left channel loudspeaker and left metope ginseng
Number；C is the distance between the right channel loudspeaker and right metope parameter；F is the left channel loudspeaker or the right channel
The distance between loudspeaker and roof parameter；G be the left channel loudspeaker or the right channel loudspeaker and ground it
Between distance parameter；Z is apart from db-loss parameter.
What needs to be explained here is that when the multimedia equipment 100 is located at the center in place space, i.e., as B=C and F=G
When, the L channel compensating parameter x and the right channel compensating parameter y are 0DB.But due to the multimedia equipment 100
In actual installation, according to the pattern in place space or the design requirement of user etc., it is difficult to realize the multimedia equipment
100 are just installed on the center in place space.Under normal circumstances, the left channel loudspeaker and the right channel loudspeaker
Between will receive mutual interference, and due to the reflection by each metope in place space, sound can be destroyed further.Mirror
In this, the audio exported to the left channel loudspeaker and the right channel loudspeaker is needed to compensate, specifically, according to institute
Any installation site of multimedia equipment 100 is stated, and guarantees that audio is experienced by being arranged accordingly.
Step S223 is obtained and the space position parameter according to the L channel compensating parameter and right channel compensating parameter
Corresponding audio compensating parameter.
In the present embodiment, the audio compensating parameter may include that the L channel compensating parameter and the right channel are mended
Repay parameter.The audio that the L channel compensating parameter exports the left channel loudspeaker compensates, the right channel compensation
The audio that parameter exports the right channel loudspeaker compensates, thus is calculating to the L channel compensating parameter and described
After right channel compensating parameter, corresponding audio compensating parameter can be obtained.
In the other embodiment of the present embodiment, the multimedia equipment 100 includes a loudspeaker.The multimedia
Equipment 100 and place space the distance parameter of multiple directions include: between the loudspeaker and left metope at a distance from parameter, institute
State the distance between the distance between loudspeaker and right metope parameter, the loudspeaker and wall parameter, the loudspeaker with
The distance between roof parameter and the distance between the loudspeaker and ground parameter.The audio compensating parameter of the loudspeaker
Calculating process is as follows:
Calculate the formula of the L channel compensating parameter are as follows:
Wherein, x is L channel compensating parameter；B is the distance between the loudspeaker and left metope parameter；C is described raises
The distance between sound device and right metope parameter；F is the distance between the loudspeaker and roof parameter；G be the loudspeaker with
The distance between ground parameter；Z is apart from db-loss parameter.
Calculate the formula of the right channel compensating parameter are as follows:
Wherein, y is right channel compensating parameter；B is the distance between the loudspeaker and left metope parameter；C is described raises
The distance between sound device and right metope parameter；F is the distance between the loudspeaker and roof parameter；G be the loudspeaker with
The distance between ground parameter；Z is apart from db-loss parameter.
Loudspeaking referring to Fig. 5, step S230, according to the audio compensating parameter to the multimedia equipment 100
The audio of device output is handled.
It is described after being compensated according to the audio that the audio compensating parameter exports the loudspeaker in the present embodiment
The sound quality of loudspeaker output is the sound quality carried out after audio compensation post-processing, is significantly reduced due to the multimedia equipment
Volume attenuation caused by the difference at 100 places space or sound quality damage, the sound quality experience of significant increase multimedia equipment 100.
Referring to Fig. 8, present pre-ferred embodiments also provide a kind of sound-effect processing equipment 200, it is applied to multimedia equipment
100.The apparatus may include:
Obtain module 210, the space position parameter for acquisition.Wherein, the space position parameter includes more matchmakers
The distance parameter of body equipment 100 and place space in multiple directions；
Data processing module 220 obtains and the spatial position for carrying out data processing to the space position parameter
The corresponding audio compensating parameter of parameter.Wherein, the audio compensating parameter includes L channel compensating parameter and right channel compensation ginseng
Number.
Audio effect processing module 230, for defeated according to loudspeaker of the audio compensating parameter to the multimedia equipment 100
Audio out is handled.
Referring to Fig. 9, the acquisition module 210 may include:
First response submodule 211 shows the audio set interface for responding audio setting instruction.Wherein, described
It include the distance parameter setting options of multimedia equipment 100 and place space in multiple directions in audio set interface.
First receiving submodule 212, for receiving the locational space parameter inputted in the audio set interface.
Referring to Fig. 10, the acquisition module 210 can also include:
Second response submodule 213, for responding distance parameter acquisition instruction, control the distance perception answer identification device to
The multiple directions in 100 place space of multimedia equipment send sound wave.
Second receiving submodule 214 receives the sound wave reflected via the multiple direction, according to the sound wave of transmission and reflection
Sound wave between time difference obtain the multimedia equipment 100 and the distance parameter of place space in a plurality of directions.
Space position parameter submodule 215, according to obtaining the multimedia equipment 100 with place space in a plurality of directions
Distance parameter obtain the space position parameter of the multimedia equipment 100.
Figure 11 is please referred to, the data processing module 220 may include:
Computational submodule 221, for calculating the distance between the left channel loudspeaker and left metope parameter and the right side
The first difference, the right channel loudspeaker between the distance between channel loudspeaker and right metope parameter and between right metope
The second difference and the L channel between distance parameter and the distance between the left channel loudspeaker and left metope parameter are raised
Sound device or the distance between the right channel loudspeaker and roof parameter and the left channel loudspeaker or the right channel loudspeaking
Third difference and the distance between ground and roof between the distance between device and ground parameter.
Channel compensation parameter acquisition submodule 222, for according to first difference, the second difference, third difference and institute
The distance between ground and roof are stated, L channel compensating parameter corresponding with the space position parameter and right channel compensation are obtained
Parameter.
Audio compensating parameter acquisition submodule 223, for according to the L channel compensating parameter and right channel compensating parameter
Obtain audio compensating parameter corresponding with the space position parameter.
The concrete operation method of each functional module in the present embodiment can refer to corresponding steps in above method embodiment
Detailed description, it is no longer repeated herein.
In conclusion sound effect treatment method provided by the invention, device and multimedia equipment 100, by obtaining multimedia
The space position parameter of equipment 100 is got and the spatial position according to the space position parameter of the multimedia equipment 100
The corresponding audio compensating parameter of parameter, thus defeated according to loudspeaker of the audio compensating parameter to the multimedia equipment 100
Audio out is handled.It, can also be largely even if realizing the multimedia equipment 100 under different installation sites
Mitigate and eliminate the volume attenuation as caused by the difference of place space environment of multimedia equipment 100 or sound quality is destroyed, thus thorough
Bottom promotes audio experience.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (8)
1. a kind of sound effect treatment method is applied to multimedia equipment, is provided at least one loudspeaker on the multimedia equipment,
It is characterized in that, which comprises
Obtain space position parameter, wherein the space position parameter include the multimedia equipment with place space multiple
The distance parameter in direction, the multimedia equipment include left channel loudspeaker and right channel loudspeaker, the multimedia equipment with
Place space the distance parameter of multiple directions include: the left channel loudspeaker between left metope at a distance from parameter, described
The distance between right channel loudspeaker and right metope parameter, the left channel loudspeaker or the right channel loudspeaker and wall
The distance between parameter, the left channel loudspeaker or the distance between the right channel loudspeaker and roof parameter and described
Left channel loudspeaker or the distance between the right channel loudspeaker and ground parameter；
Data processing is carried out to the space position parameter, obtains audio compensating parameter corresponding with the space position parameter,
Wherein, the audio compensating parameter includes L channel compensating parameter and right channel compensating parameter；
It is handled according to audio of the audio compensating parameter to the loudspeaker output of the multimedia equipment；
It is described that data processing is carried out to the space position parameter, obtain audio compensation ginseng corresponding with the space position parameter
Several steps include:
It calculates between the distance between the left channel loudspeaker and left metope parameter and the right channel loudspeaker and right metope
Distance parameter between the first difference, and
Between the distance between the right channel loudspeaker and right metope parameter and the left channel loudspeaker and left metope away from
From the second difference between parameter, and
The left channel loudspeaker or the distance between the right channel loudspeaker and roof parameter and the left channel loudspeaker
Or third difference and the distance between ground and roof between the distance between the right channel loudspeaker and ground parameter；
According to first difference, the second difference, third difference and the distance between the ground and roof, obtain and the sky
Between the corresponding L channel compensating parameter of location parameter and right channel compensating parameter；
Audio corresponding with the space position parameter is obtained according to the L channel compensating parameter and right channel compensating parameter to mend
Repay parameter；It is described according to first difference, the second difference, third difference and the distance between the ground and roof, obtain
The step of L channel compensating parameter corresponding with the space position parameter and right channel compensating parameter includes:
The L channel compensation ginseng is obtained according to first difference, third difference and the distance between the ground and roof
Number, wherein the calculation formula of the L channel compensating parameter are as follows:
Wherein, x is L channel compensating parameter；B is the distance between the left channel loudspeaker and left metope parameter；C is described
The distance between right channel loudspeaker and right metope parameter；F is the left channel loudspeaker or the right channel loudspeaker and room
The distance between top parameter；G is the left channel loudspeaker or the distance between the right channel loudspeaker and ground parameter；Z
For apart from db-loss parameter；
The right channel compensation ginseng is obtained according to second difference, third difference and the distance between the ground and roof
Number, wherein the calculation formula of the right channel compensating parameter are as follows:
Wherein, y is right channel compensating parameter；B is the distance between the left channel loudspeaker and left metope parameter；C is described
The distance between right channel loudspeaker and right metope parameter；F is the left channel loudspeaker or the right channel loudspeaker and room
The distance between top parameter；G is the left channel loudspeaker or the distance between the right channel loudspeaker and ground parameter；Z
For apart from db-loss parameter.
2. sound effect treatment method according to claim 1, the multimedia equipment includes one for reception space position ginseng
Several audio set interface, which is characterized in that the step of acquisition space position parameter includes:
Audio setting instruction is responded, shows the audio set interface, wherein set in the audio set interface including multimedia
It is standby with place space in the distance parameter setting options of multiple directions；
Receive the space position parameter inputted in the audio set interface.
3. sound effect treatment method according to claim 1, which is characterized in that the multimedia equipment further include: distance perception
Identification device is answered, the step of the acquisition space position parameter further include:
Distance parameter acquisition instruction is responded, multiple sides that the distance perception answers identification device to space where multimedia equipment are controlled
To transmission sound wave；
The sound wave reflected via the multiple direction is received, is obtained according to the time difference between the sound wave of transmission and the sound wave of reflection
The multimedia equipment and the distance parameter of place space in a plurality of directions；
The multimedia equipment is obtained with the distance parameter of place space in a plurality of directions according to the multimedia equipment is obtained
Space position parameter.
4. sound effect treatment method according to claim 1, which is characterized in that the multimedia equipment includes a loudspeaking
Device, the multimedia equipment and place space include: between the loudspeaker and left metope in the distance parameter of multiple directions
The distance between the distance between distance parameter, the loudspeaker and right metope parameter, the loudspeaker and wall parameter, institute
The distance between loudspeaker and roof parameter and the distance between the loudspeaker and ground parameter are stated, it is described to the space
In the step of location parameter carries out data processing, obtains audio compensating parameter corresponding with the space position parameter:
Calculate the formula of the L channel compensating parameter are as follows:
Wherein, x is L channel compensating parameter；B is the distance between the loudspeaker and left metope parameter；C is the loudspeaker
The distance between right metope parameter；F is the distance between the loudspeaker and roof parameter；G is the loudspeaker and ground
The distance between parameter；Z is apart from db-loss parameter；
Calculate the formula of the right channel compensating parameter are as follows:
Wherein, y is right channel compensating parameter；B is the distance between the loudspeaker and left metope parameter；C is the loudspeaker
The distance between right metope parameter；F is the distance between the loudspeaker and roof parameter；G is the loudspeaker and ground
The distance between parameter；Z is apart from db-loss parameter.
5. a kind of sound-effect processing equipment is applied to multimedia equipment, is provided at least one loudspeaker on the multimedia equipment,
It is characterized in that, described device includes:
Module is obtained, for obtaining space position parameter, wherein the space position parameter includes the multimedia equipment and institute
Space multiple directions distance parameter；
Data processing module obtains and the space position parameter pair for carrying out data processing to the space position parameter
The audio compensating parameter answered, wherein the audio compensating parameter includes L channel compensating parameter and right channel compensating parameter, described
Multimedia equipment includes left channel loudspeaker and right channel loudspeaker, and the multimedia equipment and place space are in multiple directions
Distance parameter includes: the distance between the left channel loudspeaker and left metope parameter, the right channel loudspeaker and right metope
The distance between parameter, the left channel loudspeaker or the distance between the right channel loudspeaker and wall parameter, described
Left channel loudspeaker or the distance between the right channel loudspeaker and roof parameter and the left channel loudspeaker or described
The distance between right channel loudspeaker and ground parameter；
Audio effect processing module, for according to the audio compensating parameter to the multimedia equipment left channel loudspeaker or right sound
The audio of road loudspeaker output is handled, and the data processing module includes:
Computational submodule, for calculating the distance between the left channel loudspeaker and left metope parameter and the right channel loudspeaking
The first difference between the distance between device and right metope parameter, and
Between the distance between the right channel loudspeaker and right metope parameter and the left channel loudspeaker and left metope away from
From the second difference between parameter, and
The left channel loudspeaker or the distance between the right channel loudspeaker and roof parameter and the left channel loudspeaker
Or third difference and the distance between ground and roof between the distance between the right channel loudspeaker and ground parameter；
Channel compensation parameter acquisition submodule, for according to first difference, the second difference, third difference and the ground with
The distance between roof obtains L channel compensating parameter corresponding with the space position parameter and right channel compensating parameter；
Audio compensating parameter acquisition submodule, for being obtained according to the L channel compensating parameter and right channel compensating parameter and institute
State the corresponding audio compensating parameter of space position parameter；
It is described according to first difference, the second difference, third difference and the distance between the ground and roof, obtain and institute
The mode for stating the corresponding L channel compensating parameter of space position parameter and right channel compensating parameter includes:
The L channel compensation ginseng is obtained according to first difference, third difference and the distance between the ground and roof
Number, wherein the calculation formula of the L channel compensating parameter are as follows:
Wherein, x is L channel compensating parameter；B is the distance between the left channel loudspeaker and left metope parameter；C is described
The distance between right channel loudspeaker and right metope parameter；F is the left channel loudspeaker or the right channel loudspeaker and room
The distance between top parameter；G is the left channel loudspeaker or the distance between the right channel loudspeaker and ground parameter；Z
For apart from db-loss parameter；
The right channel compensation ginseng is obtained according to second difference, third difference and the distance between the ground and roof
Number, wherein the calculation formula of the right channel compensating parameter are as follows:
Wherein, y is right channel compensating parameter；B is the distance between the left channel loudspeaker and left metope parameter；C is described
The distance between right channel loudspeaker and right metope parameter；F is the left channel loudspeaker or the right channel loudspeaker and room
The distance between top parameter；G is the left channel loudspeaker or the distance between the right channel loudspeaker and ground parameter；Z
For apart from db-loss parameter.
6. sound-effect processing equipment according to claim 5, the multimedia equipment includes one for reception space position ginseng
Several audio set interface, which is characterized in that the acquisition module includes:
First response submodule shows the audio set interface, wherein the audio is set for responding audio setting instruction
Setting on interface includes the distance parameter setting options of multimedia equipment and place space in multiple directions；
First receiving submodule, for receiving the locational space parameter inputted in the audio set interface.
7. sound-effect processing equipment according to claim 5, which is characterized in that the multimedia equipment further include: distance perception
Answer identification device, the acquisition module further include:
Second response submodule controls the distance perception and answers identification device to multimedia for responding distance parameter acquisition instruction
The multiple directions in space send sound wave where equipment；
Second receiving submodule, for receiving the sound wave reflected via the multiple direction, according to the sound wave of transmission and reflection
Time difference between sound wave obtains the multimedia equipment and the distance parameter of place space in a plurality of directions；
Space position parameter acquisition submodule, for according to obtaining the multimedia equipment and place space in a plurality of directions
Distance parameter obtains the space position parameter of the multimedia equipment.
8. a kind of multimedia equipment, which is characterized in that the multimedia equipment includes: memory；
Processor；And
Sound-effect processing equipment, described device are installed in the memory and are executed by the processor including one or more
Software function module, described device include:
Module is obtained, for obtaining space position parameter, wherein the space position parameter includes the multimedia equipment and institute
In space in the distance parameter of multiple directions, the multimedia equipment includes left channel loudspeaker and right channel loudspeaker, described
Multimedia equipment and place space the distance parameter of multiple directions include: between the left channel loudspeaker and left metope away from
It is raised from parameter, the right channel loudspeaker and the distance between right metope parameter, the left channel loudspeaker or the right channel
The distance between sound device and wall parameter, the left channel loudspeaker or the distance between the right channel loudspeaker and roof
Parameter and the left channel loudspeaker or the distance between the right channel loudspeaker and ground parameter；
Data processing module obtains and the space position parameter pair for carrying out data processing to the space position parameter
The audio compensating parameter answered, wherein the audio compensating parameter includes L channel compensating parameter and right channel compensating parameter；
Audio effect processing module, for according to the audio compensating parameter to the audio of the loudspeaker of multimedia equipment output into
Row processing, the data processing module include:
Computational submodule, for calculating the distance between the left channel loudspeaker and left metope parameter and the right channel loudspeaking
The first difference between the distance between device and right metope parameter, and
Between the distance between the right channel loudspeaker and right metope parameter and the left channel loudspeaker and left metope away from
From the second difference between parameter, and
The left channel loudspeaker or the distance between the right channel loudspeaker and roof parameter and the left channel loudspeaker
Or third difference and the distance between ground and roof between the distance between the right channel loudspeaker and ground parameter；
Channel compensation parameter acquisition submodule, for according to first difference, the second difference, third difference and the ground with
The distance between roof obtains L channel compensating parameter corresponding with the space position parameter and right channel compensating parameter；
Audio compensating parameter acquisition submodule, for being obtained according to the L channel compensating parameter and right channel compensating parameter and institute
State the corresponding audio compensating parameter of space position parameter；
It is described according to first difference, the second difference, third difference and the distance between the ground and roof, obtain and institute
The mode for stating the corresponding L channel compensating parameter of space position parameter and right channel compensating parameter includes:
The L channel compensation ginseng is obtained according to first difference, third difference and the distance between the ground and roof
Number, wherein the calculation formula of the L channel compensating parameter are as follows:
Wherein, x is L channel compensating parameter；B is the distance between the left channel loudspeaker and left metope parameter；C is described
The distance between right channel loudspeaker and right metope parameter；F is the left channel loudspeaker or the right channel loudspeaker and room
The distance between top parameter；G is the left channel loudspeaker or the distance between the right channel loudspeaker and ground parameter；Z
For apart from db-loss parameter；
The right channel compensation ginseng is obtained according to second difference, third difference and the distance between the ground and roof
Number, wherein the calculation formula of the right channel compensating parameter are as follows:
Wherein, y is right channel compensating parameter；B is the distance between the left channel loudspeaker and left metope parameter；C is described
The distance between right channel loudspeaker and right metope parameter；F is the left channel loudspeaker or the right channel loudspeaker and room
The distance between top parameter；G is the left channel loudspeaker or the distance between the right channel loudspeaker and ground parameter；Z
For apart from db-loss parameter.
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| CN107396237B (en) * | 2017-09-06 | 2019-09-27 | 北京京东尚科信息技术有限公司 | Self-positioning intelligent sound box |
| CN107749925B (en) * | 2017-10-31 | 2020-12-04 | 北京小米移动软件有限公司 | Audio playing method and device |
| CN108616791A (en) * | 2018-04-27 | 2018-10-02 | 青岛海信移动通信技术股份有限公司 | A kind of audio signal playing method and device |
| CN109831735B (en) * | 2019-01-11 | 2022-10-11 | 歌尔科技有限公司 | Audio playing method, device, system and storage medium suitable for indoor environment |
| CN113923561A (en) * | 2020-07-08 | 2022-01-11 | 阿里巴巴集团控股有限公司 | Intelligent sound box sound effect adjusting method and device |
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