CN104469603B - Electronic equipment, dividing method and frequency divider - Google Patents
Electronic equipment, dividing method and frequency divider Download PDFInfo
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- CN104469603B CN104469603B CN201310446732.9A CN201310446732A CN104469603B CN 104469603 B CN104469603 B CN 104469603B CN 201310446732 A CN201310446732 A CN 201310446732A CN 104469603 B CN104469603 B CN 104469603B
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Abstract
The invention discloses a kind of electronic equipment, dividing method and frequency divider, belong to field of audio play.The electronic equipment includes：Audio control chip and the audio control chip codec being electrical connected and n loudspeaker being electrical connected with the codec, n >=2.The present invention divides it by audio driven according to the frequency of audio signal by audio control chip, and the audio signal after frequency dividing is decoded by codec, is exported finally by loudspeaker；The problem of frequency coverage for solving existing electronic equipment loudspeaker is unable to reach whole range scope, and output volume is small and the construction cycle is long, of high cost；Having reached makes the frequency coverage of electronic equipment loudspeaker that whole range scope, the big effect of output volume be fully achieved, and hardware development is converted into software development and debugging, has reached the effect for shortening the construction cycle, reducing development cost.
Description
Technical field
The present invention relates to field of audio play, more particularly to a kind of electronic equipment, dividing method and frequency divider.
Background technology
The electronic equipment of such as computer all-in-one machine etc, the broadcasting of sound are all realized by loudspeaker." loudspeaker " again
Referred to as loudspeaker, loudspeaker can be seen in the electronic equipment of sounding, be a kind of very common to convert electrical signals to sound
The device of sound signal.
The frequency range for the sound that human ear normally can be heard is between 20000Hz, but at present in 20Hz (hertz)
Single loudspeaker can not also meet whole frequency range is completely covered.So-called even " Full-frequency trumpet " can not also cover
The whole frequency ranges of 20Hz to 20000Hz.
In the implementation of the present invention, inventor has found that the prior art has at least the following problems：
First, the electronic equipment of such as computer all-in-one machine etc, the sound usually played all includes high, medium and low sound component,
But the cone of the loudspeaker of electronic equipment is difficult all to produce vibration to high, medium and low frequency at the same time again；Therefore, electronic equipment
The frequency coverage of loudspeaker is unable to reach whole range scope, and can produce intermodulation distortion, can not reflect original sound strictly according to the facts；
Second, due to the limitation of power, the output volume of single loudspeaker is smaller；
3rd, the design and debugging of the loudspeaker of electronic equipment are the processes of a design to hardware circuit and debugging,
Construction cycle is longer, and of high cost.
The content of the invention
Whole range scope, output volume are unable to reach in order to solve the frequency coverage of the loudspeaker of existing electronic equipment
Small, the problem of construction cycle is long and of high cost, an embodiment of the present invention provides a kind of electronic equipment, dividing method and frequency dividing dress
Put.
The technical solution is as follows：
First aspect, there is provided a kind of electronic equipment, the electronic equipment, including：
Audio control chip, the codec being electrical connected with the audio control chip and with codec electricity
The n loudspeaker that property is connected, n >=2；
The audio control chip, for obtaining digital audio and video signals；By audio driven to the digital audio and video signals
Divide to obtain n railway digital audio sub-signals in a manner of predetermined frequency dividing, at least 2 railway digitals in the n railway digitals audio sub-signals
Audio sub-signals belong to different frequency segmentations；
The codec, is decoded to obtain corresponding n for will divide the obtained n railway digitals audio sub-signals
Road simulated audio signal；
Each loudspeaker, for being sound by the output of simulated audio signal all the way in the simulated audio signal of the n roads
Sound signal；
The predetermined frequency dividing mode is divided the digital audio and video signals according to high frequency, intermediate frequency and low frequency three points
Frequency mode；
If the predetermined frequency dividing mode is the three frequency division mode, the audio control chip, for by the numeral
Audio signal frequency dividing is six railway digital audio sub-signals, and the six railway digitals audio sub-signals include left and right two-way high frequency letter
Number, left and right two-way intermediate frequency subsignal and left and right two-way low frequency subsignal；Or, the audio control chip, for by the numeral
Audio signal frequency dividing is five railway digital audio sub-signals, and the five railway digitals audio sub-signals include left and right two-way high frequency letter
Number, left and right two-way intermediate frequency subsignal and low frequency subsignal all the way；
If the digital audio and video signals frequency dividing is six railway digital audio sub-signals, the n loudspeaker includes high pitch list
Member, alto units and bass unit, the voice unit include the first high-pitched speaker and the second high-pitched speaker, the alto units
Including the first mediant trumpet and the second mediant trumpet, the bass unit includes the first woofer and the second woofer；
If the digital audio and video signals frequency dividing is five railway digital audio sub-signals, the n loudspeaker includes high pitch list
Member, alto units and bass unit, the voice unit include the first high-pitched speaker and the second high-pitched speaker, the alto units
Including the first mediant trumpet and the second mediant trumpet, the bass unit includes the 3rd woofer；
The power of the loudspeaker of the voice unit and the bass unit is more than the power of the loudspeaker of the alto units；
If the n loudspeaker includes voice unit, alto units and bass unit, it is high that the voice unit includes first
Sound loudspeaker and the second high-pitched speaker, the alto units include the first mediant trumpet and the second mediant trumpet, the bass unit
Including the first woofer and the second woofer, then first mediant trumpet, first high-pitched speaker, described first low
Sound loudspeaker, second woofer, second high-pitched speaker and second mediant trumpet with order from left to right according to
On the housing of the secondary display screen one side positioned at the electronic equipment；Or, first mediant trumpet, first high-pitched speaker,
First woofer, second woofer, second high-pitched speaker and second mediant trumpet with from a left side to
Right order is sequentially located on the housing of the electronic equipment, wherein, first mediant trumpet, first high-pitched speaker,
Second high-pitched speaker and second mediant trumpet are towards display screen one side, first woofer and described the
Two woofers are backwards to display screen one side；
If the n loudspeaker includes voice unit, alto units and bass unit, it is high that the voice unit includes first
Sound loudspeaker and the second high-pitched speaker, the alto units include the first mediant trumpet and the second mediant trumpet, the bass unit
Including the 3rd woofer, then first mediant trumpet, first high-pitched speaker, the 3rd woofer, described
Two high-pitched speakers and second mediant trumpet are sequentially located at the display screen one side of the electronic equipment with order from left to right
Housing on；Or, first mediant trumpet, first high-pitched speaker, the 3rd woofer, the second high pitch loudspeaker
And second mediant trumpet be sequentially located at order from left to right on the housing of the electronic equipment, wherein, described the
One mediant trumpet, first high-pitched speaker, second high-pitched speaker and second mediant trumpet are towards the display screen
Simultaneously, the 3rd woofer is backwards to display screen one side.
The beneficial effect that technical solution provided in an embodiment of the present invention is brought is：
It is divided by audio driven according to the frequency of audio signal by audio control chip, and is solved by compiling
Code device decodes the audio signal after frequency dividing, is exported finally by loudspeaker；Solves existing electronic equipment loudspeaker
The problem of frequency coverage is unable to reach whole range scope, and output volume is small and the construction cycle is long, of high cost；Having reached makes electronics
Whole range scope, the big effect of output volume is fully achieved in the frequency coverage of device speaker, and hardware development is converted into
Software development and debugging, have reached the effect for shortening the construction cycle, reducing development cost.
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure diagram of electronic equipment provided by one embodiment of the present invention；
Fig. 2 is the structure diagram for the electronic equipment that another embodiment of the present invention provides；
Fig. 3 is the method flow diagram of dividing method provided by one embodiment of the present invention；
Fig. 4 is the block diagram of frequency divider provided by one embodiment of the present invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
Please refer to Fig.1, it illustrates the structure diagram of electronic equipment provided by one embodiment of the present invention.The electronics is set
Standby can be the equipment of computer all-in-one machine, smart mobile phone or intelligent TV set etc.The electronic equipment, including：Audio frequency control
Chip 102, the codec 104 being electrical connected with audio control chip 102 and n be electrical connected with codec 104
Loudspeaker 106, n >=2；
Audio control chip 102, for obtaining digital audio and video signals；By audio driven to digital audio and video signals to make a reservation for
Frequency dividing mode divides to obtain n railway digital audio sub-signals, at least 2 railway digital audio sub-signals in n railway digital audio sub-signals
Belong to different frequency segmentations；
Codec 104, is decoded to obtain corresponding n roads mould for will divide obtained n railway digital audio sub-signals
Intend audio signal；
Each loudspeaker 106, for the output of simulated audio signal all the way in the simulated audio signal of n roads to be believed for sound
Number.
In conclusion electronic equipment provided in this embodiment, is led to by audio control chip according to the frequency of audio signal
Cross audio driven to divide it, and the audio signal after frequency dividing is decoded by codec, finally by raising one's voice
Device exports；The frequency coverage for solving existing electronic equipment loudspeaker is unable to reach whole range scope, and output volume is small and opens
The problem of hair cycle is long, of high cost；Having reached makes the frequency coverage of electronic equipment loudspeaker that whole range scope be fully achieved, defeated
Go out the effect to give great volume, and hardware development be converted into software development and debugging, reached the shortening construction cycle, reduce exploitation into
This effect.
Please refer to Fig.2, the structure diagram of the electronic equipment provided it illustrates another embodiment of the present invention.The electronics is set
Standby can be the equipment of computer all-in-one machine, smart mobile phone or intelligent TV set etc.The electronic equipment, including：Audio frequency control
Chip 102, the codec 104 being electrical connected with audio control chip 102, the amplifier being electrical connected with codec 104
105 and the n loudspeaker 106 that is electrical connected with amplifier 105, n >=2.Electronic equipment can also include housing, mainboard, show
The components such as display screen, camera or touch-screen.
Audio control chip 102, for obtaining digital audio and video signals；By audio driven to digital audio and video signals to make a reservation for
Frequency dividing mode divides to obtain n railway digital audio sub-signals, at least 2 railway digital audio sub-signals in n railway digital audio sub-signals
Belong to different frequency segmentations.
Audio driven is also referred to as driver of sound card, is a kind of multimedia sound card control program.Electricity can be made by audio driven
The work of 102 controlling loudspeaker 106 of audio control chip of sub- equipment.In embodiments of the present invention, audio control chip 102 is gone back
The digital audio and video signals got are divided in a manner of predetermined frequency dividing by audio driven.It can be used in audio driven fast
Fast Fourier transformation, can also use transform or Laplace transform etc. that time-domain signal is converted into the algorithm of frequency-region signal,
After the frequency for analyzing digital audio and video signals, digital audio and video signals are divided.After frequency dividing, audio driven becomes frequency-region signal again
Time-domain signal.
Specifically, predetermined frequency dividing mode can be divided digital audio and video signals according to high frequency, intermediate frequency and low frequency
Three frequency division mode, predetermined frequency dividing mode can also be divided digital audio and video signals according to medium-high frequency and middle low frequency two
Frequency dividing mode.Wherein, the division points of frequency may be set according to actual conditions.Exemplified by a manner of three frequency division, the model of usual low frequency
Enclose between 20Hz to 80Hz, the scope of intermediate frequency between 80Hz to 2560Hz, the scope of high frequency for 2560Hz to 20000Hz it
Between.
If predetermined frequency dividing mode is three frequency division mode, audio control chip 102, for being by digital audio and video signals frequency dividing
Six railway digital audio sub-signals.Six railway digital audio sub-signals include left and right two-way high frequency subsignal, left and right two-way intermediate frequency letter
Number and left and right two-way low frequency subsignal.Alternatively, audio control chip 102, for being five railway digitals by digital audio and video signals frequency dividing
Audio sub-signals.Five railway digital audio sub-signals include left and right two-way high frequency subsignal, left and right two-way intermediate frequency subsignal and all the way
Low frequency subsignal.
If predetermined frequency dividing mode is two divided-frequency mode, audio control chip 102, for being by digital audio and video signals frequency dividing
Four railway digital audio sub-signals.Four railway digital audio sub-signals include low frequency in left and right two-way medium-high frequency subsignal and left and right two-way
Subsignal.
In the present embodiment, by taking n is equal to 6 as an example, namely digital audio and video signals frequency dividing is six tunnels by audio control chip 102
Digital audio subsignal.Due to electronic equipment, in order to simulate the audibility range of mankind's left and right ear to produce corresponding sound defeated
Go out, sound output is carried out by L channel and R channel respectively, so high frequency, intermediate frequency and low frequency subsignal are all divided into left and right two
Road.
Codec 104, is decoded to obtain corresponding n roads mould for will divide obtained n railway digital audio sub-signals
Intend audio signal.
Codec 104 is electrical connected with audio control chip 102, is responsible for that obtained n railway digitals audio son letter will be divided
Number decoded to obtain corresponding n roads simulated audio signal.In the present embodiment, n is equal to 6, and codec 104 needs to support extremely
The audio decoder and audio output on few 6 tunnels.
Amplifier 105, Simulation scale-up is carried out for decoding obtained n roads simulated audio signal to codec 104.
In order to increase the amplitude of simulated audio signal and power so that the sensitivity of loudspeaker 106 and sound pressure level higher, it is excellent
Selection of land, decodes codec 104 using amplifier 105 obtained n roads simulated audio signal and carries out Simulation scale-up.In this implementation
In example, using 3 amplifiers 105, every amplifier 105 supports the amplification and output of 2 road simulated audio signals.
Each loudspeaker 106, for by after the amplification all the way in the amplified n roads simulated audio signal of amplifier 105
Simulated audio signal output be voice signal.
If digital audio and video signals frequency dividing be six railway digital audio sub-signals, 6 loudspeakers 106 including voice unit, in
Sound unit and bass unit, voice unit include the first high-pitched speaker and the second high-pitched speaker, and alto units include the first middle pitch
Loudspeaker and the second mediant trumpet, bass unit include the first woofer and the second woofer.
Specifically, the first mediant trumpet, the first high-pitched speaker, the first woofer, the second woofer, the second high pitch
Loudspeaker and the second mediant trumpet are sequentially located on the housing of display screen one side of electronic equipment with order from left to right.Alternatively,
First mediant trumpet, the first high-pitched speaker, the first woofer, the second woofer, the second high-pitched speaker and the second middle pitch loudspeaker
Be sequentially located at order from left to right on the housing of electronic equipment, wherein, the first mediant trumpet, the first high-pitched speaker,
Two high-pitched speakers and the second mediant trumpet are towards display screen one side, and the first woofer and the second woofer are backwards to display screen one
Face.
If digital audio and video signals frequency dividing be five railway digital audio sub-signals, 5 loudspeakers 106 including voice unit, in
Sound unit and bass unit, voice unit include the first high-pitched speaker and the second high-pitched speaker, and alto units include the first middle pitch
Loudspeaker and the second mediant trumpet, bass unit include the 3rd woofer.
Specifically, in the first mediant trumpet, the first high-pitched speaker, the 3rd woofer, the second high-pitched speaker and second
Sound loudspeaker are sequentially located on the housing of display screen one side of electronic equipment with order from left to right.Alternatively, the first mediant trumpet,
First high-pitched speaker, the 3rd woofer, the second high-pitched speaker and the second mediant trumpet are sequentially located at order from left to right
On the housing of electronic equipment, wherein, the first mediant trumpet, the first high-pitched speaker, the second high-pitched speaker and the second mediant trumpet court
To display screen one side, the 3rd woofer is backwards to display screen one side.
If digital audio and video signals frequency dividing be four railway digital audio sub-signals, 4 loudspeakers 106 include Hi-Mid unit with
Middle bass unit, Hi-Mid unit include the first Hi-Mid loudspeaker and the second Hi-Mid loudspeaker, and middle bass unit is included in first
Woofer in woofer and second.
Specifically, woofer and the second Hi-Mid loudspeaker in woofer, second in the first Hi-Mid loudspeaker, first
It is sequentially located at order from left to right on the housing of display screen one side of electronic equipment.
In the present embodiment, using digital audio and video signals frequency dividing as six railway digital audio sub-signals, 6 loudspeakers 106 include
Voice unit, alto units and bass unit illustrate.Specifically, please refer to Fig.2, the first mediant trumpet 107a, first
High-pitched speaker 108a, the first woofer 109a, the second woofer 109b, the second high-pitched speaker 108b and the second mediant trumpet
107b is sequentially located on the housing of electronic equipment with order from left to right, wherein, the first mediant trumpet 107a, the first high pitch loudspeaker
108a, the second high-pitched speaker 108b and the second mediant trumpet 107b are towards display screen one side, the first woofer 109a and the
Two woofer 109b are backwards to display screen one side.
It should be noted that the quantity of loudspeaker 106 and position on an electronic device can carry out according to the actual requirements
Corresponding adjustment, the present embodiment only using the quantity of loudspeaker 106 as 6, illustrate as shown in Figure 2 by position on an electronic device
It is bright, this is not especially limited.
It should also be noted that, since human ear is to the sound sensitive degree highest of Mid Frequency, so voice unit and bass list
The power of the loudspeaker of member needs the power of the loudspeaker more than alto units, so can be only achieved and shows more real high pitch and low
The effect of sound.
In conclusion electronic equipment provided in this embodiment, is led to by audio control chip according to the frequency of audio signal
Cross audio driven to divide it, and the audio signal after frequency dividing is decoded by codec, finally by raising one's voice
Device exports；The frequency coverage for solving existing electronic equipment loudspeaker is unable to reach whole range scope, and output volume is small and opens
The problem of hair cycle is long, of high cost；Having reached makes the frequency coverage of electronic equipment loudspeaker that whole range scope be fully achieved, defeated
Go out the effect to give great volume, and hardware development be converted into software development and debugging, reached the shortening construction cycle, reduce exploitation into
This effect.Electronic equipment provided in this embodiment, the simulated audio signal also decoded by amplifier to codec
Simulation scale-up is carried out, adds the amplitude and power of simulated audio signal, has reached the sensitivity for improving loudspeaker and sound pressure level
Effect.Meanwhile the careful work of each loudspeaker is divided the work, the stability and durability of electronic equipment loudspeaker are improved.
Please refer to Fig.3, it illustrates the method flow diagram of dividing method provided by one embodiment of the present invention.The frequency dividing side
Method is used in the audio control chip of the electronic equipment provided based on various embodiments of the present invention.The dividing method, including：
Step 302, digital audio and video signals are obtained；
Step 304, digital audio and video signals are divided in a manner of predetermined frequency dividing by audio driven to obtain n railway digitals audio
Signal, at least 2 railway digital audio sub-signals belong to different frequency segmentations in n railway digital audio sub-signals.
Audio driven is also referred to as driver of sound card, is a kind of multimedia sound card control program.Electricity can be made by audio driven
The work of the audio control chip controlling loudspeaker of sub- equipment.In embodiments of the present invention, audio control chip also passes through audio
Drive and the digital audio and video signals got are divided in a manner of predetermined frequency dividing.Fast Fourier can be used in audio driven
Conversion, can also use transform or Laplace transform etc. that time-domain signal is converted into the algorithm of frequency-region signal, analysis numeral
After the frequency of audio signal, digital audio and video signals are divided.After frequency dividing, audio driven becomes frequency-region signal again time domain and believes
Number.
Specifically, predetermined frequency dividing mode can be divided digital audio and video signals according to high frequency, intermediate frequency and low frequency
Three frequency division mode, predetermined frequency dividing mode can also be divided digital audio and video signals according to medium-high frequency and middle low frequency two
Frequency dividing mode.Wherein, the division points of frequency may be set according to actual conditions.Exemplified by a manner of three frequency division, the model of usual low frequency
Enclose between 20Hz to 80Hz, the scope of intermediate frequency between 80Hz to 2560Hz, the scope of high frequency for 2560Hz to 20000Hz it
Between.
If predetermined frequency dividing mode is three frequency division mode, audio control chip, for being six by digital audio and video signals frequency dividing
Railway digital audio sub-signals.Six railway digital audio sub-signals include left and right two-way high frequency subsignal, left and right two-way intermediate frequency subsignal
With left and right two-way low frequency subsignal.Alternatively, audio control chip, for being five railway digital audios by digital audio and video signals frequency dividing
Signal.Five railway digital audio sub-signals include left and right two-way high frequency subsignal, left and right two-way intermediate frequency subsignal and low frequency is sub all the way
Signal.
If predetermined frequency dividing mode is two divided-frequency mode, audio control chip, for being four by digital audio and video signals frequency dividing
Railway digital audio sub-signals.Four railway digital audio sub-signals include low frequency in left and right two-way medium-high frequency subsignal and left and right two-way
Signal.
In conclusion dividing method provided in this embodiment, obtains digital audio and video signals, and lead to by audio control chip
Audio driven is crossed digital audio and video signals are divided in a manner of predetermined frequency dividing to obtain n railway digital audio sub-signals, n railway digitals audio
At least 2 railway digital audio sub-signals belong to different frequency segmentations in signal；Solves the frequency of existing electronic equipment loudspeaker
The problem of rate covering is unable to reach whole range scope, and output volume is small and the construction cycle is long, of high cost；Having reached sets electronics
The frequency coverage of standby loudspeaker is fully achieved whole range scope, the big effect of output volume, and hardware development is converted into soft
Part is developed and debugging, has reached the effect for shortening the construction cycle, reducing development cost.
It is below the device of the invention embodiment, the details of not detailed description, may be referred to above-mentioned in device embodiment
Corresponding embodiment of the method.
Please refer to Fig.4, it illustrates the block diagram of frequency divider provided by one embodiment of the present invention.The frequency dividing fills
Putting can be by all or part of the audio control chip for being combined into electronic equipment of software, hardware or both.
The frequency divider, including：Signal acquisition module 410 and driving frequency division module 420.
Signal acquisition module 410, for obtaining digital audio and video signals；
Frequency division module 420 is driven, for dividing in a manner of predetermined frequency dividing to obtain n to digital audio and video signals by audio driven
Railway digital audio sub-signals, at least 2 railway digital audio sub-signals belong to different frequencies point in n railway digital audio sub-signals
Section.
Audio driven is also referred to as driver of sound card, is a kind of multimedia sound card control program.Electricity can be made by audio driven
The work of the audio control chip controlling loudspeaker of sub- equipment.In embodiments of the present invention, audio control chip also passes through audio
Drive and the digital audio and video signals got are divided in a manner of predetermined frequency dividing.Fast Fourier can be used in audio driven
Conversion, can also use transform or Laplace transform etc. that time-domain signal is converted into the algorithm of frequency-region signal, analysis numeral
After the frequency of audio signal, digital audio and video signals are divided.After frequency dividing, audio driven becomes frequency-region signal again time domain and believes
Number.
Specifically, predetermined frequency dividing mode can be divided digital audio and video signals according to high frequency, intermediate frequency and low frequency
Three frequency division mode, predetermined frequency dividing mode can also be divided digital audio and video signals according to medium-high frequency and middle low frequency two
Frequency dividing mode.Wherein, the division points of frequency may be set according to actual conditions.Exemplified by a manner of three frequency division, the model of usual low frequency
Enclose between 20Hz to 80Hz, the scope of intermediate frequency between 80Hz to 2560Hz, the scope of high frequency for 2560Hz to 20000Hz it
Between.
If predetermined frequency dividing mode is three frequency division mode, audio control chip, for being six by digital audio and video signals frequency dividing
Railway digital audio sub-signals.Six railway digital audio sub-signals include left and right two-way high frequency subsignal, left and right two-way intermediate frequency subsignal
With left and right two-way low frequency subsignal.Alternatively, audio control chip, for being five railway digital audios by digital audio and video signals frequency dividing
Signal.Five railway digital audio sub-signals include left and right two-way high frequency subsignal, left and right two-way intermediate frequency subsignal and low frequency is sub all the way
Signal.
If predetermined frequency dividing mode is two divided-frequency mode, audio control chip, for being four by digital audio and video signals frequency dividing
Railway digital audio sub-signals.Four railway digital audio sub-signals include low frequency in left and right two-way medium-high frequency subsignal and left and right two-way
Signal.
In conclusion frequency divider provided in this embodiment, obtains digital audio and video signals, and lead to by audio control chip
Audio driven is crossed digital audio and video signals are divided in a manner of predetermined frequency dividing to obtain n railway digital audio sub-signals, n railway digitals audio
At least 2 railway digital audio sub-signals belong to different frequency segmentations in signal；Solves the frequency of existing electronic equipment loudspeaker
The problem of rate covering is unable to reach whole range scope, and output volume is small and the construction cycle is long, of high cost；Having reached sets electronics
The frequency coverage of standby loudspeaker is fully achieved whole range scope, the big effect of output volume, and hardware development is converted into soft
Part is developed and debugging, has reached the effect for shortening the construction cycle, reducing development cost.
It should be appreciated that it is used in the present context, unless context clearly supports exception, singulative " one
It is a " (" a ", " an ", " the ") be intended to also include plural form.It is to be further understood that "and/or" used herein is
Finger includes one or any and all possible combinations of more than one project listed in association.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment
To complete, relevant hardware can also be instructed to complete by program, the program can be stored in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (2)
1. a kind of electronic equipment, it is characterised in that the electronic equipment, including：
Audio control chip, the codec being electrical connected with the audio control chip and with the electrical phase of the codec
N loudspeaker even, n >=2；
The audio control chip, for obtaining digital audio and video signals；By audio driven to the digital audio and video signals with pre-
Surely frequency dividing mode divides to obtain n railway digital audio sub-signals, at least 2 railway digital audios in the n railway digitals audio sub-signals
Subsignal belongs to different frequency segmentations；
The codec, is decoded to obtain corresponding n roads mould for will divide the obtained n railway digitals audio sub-signals
Intend audio signal；
Each loudspeaker, for the output of simulated audio signal all the way in the simulated audio signal of the n roads to be believed for sound
Number；
The predetermined frequency dividing mode is the three frequency division side for being divided the digital audio and video signals according to high frequency, intermediate frequency and low frequency
Formula；
If the predetermined frequency dividing mode is the three frequency division mode, the audio control chip, for by the digital audio
Signal frequency split is six railway digital audio sub-signals, and the six railway digitals audio sub-signals include left and right two-way high frequency subsignal, a left side
Right two-way intermediate frequency subsignal and left and right two-way low frequency subsignal；Or, the audio control chip, for the digital audio to be believed
Number frequency dividing be five railway digital audio sub-signals, the five railway digitals audio sub-signals include left and right two-way high frequency subsignal, or so
Two-way intermediate frequency subsignal and all the way low frequency subsignal；
If digital audio and video signals frequency dividing be six railway digital audio sub-signals, the n loudspeaker including voice unit, in
Sound unit and bass unit, the voice unit include the first high-pitched speaker and the second high-pitched speaker, and the alto units include
First mediant trumpet and the second mediant trumpet, the bass unit include the first woofer and the second woofer；
If digital audio and video signals frequency dividing be five railway digital audio sub-signals, the n loudspeaker including voice unit, in
Sound unit and bass unit, the voice unit include the first high-pitched speaker and the second high-pitched speaker, and the alto units include
First mediant trumpet and the second mediant trumpet, the bass unit include the 3rd woofer；
The power of the loudspeaker of the voice unit and the bass unit is more than the power of the loudspeaker of the alto units；
If the n loudspeaker includes voice unit, alto units and bass unit, the voice unit includes the first high pitch loudspeaker
And the second high-pitched speaker, the alto units include the first mediant trumpet and the second mediant trumpet, and the bass unit includes
First woofer and the second woofer, then first mediant trumpet, first high-pitched speaker, the first bass loudspeaker
, second woofer, second high-pitched speaker and second mediant trumpet be with order from left to right successively position
In on the housing of the display screen one side of the electronic equipment；It is or, first mediant trumpet, first high-pitched speaker, described
First woofer, second woofer, second high-pitched speaker and second mediant trumpet are with from left to right
Order is sequentially located on the housing of the electronic equipment, wherein, it is first mediant trumpet, first high-pitched speaker, described
Second high-pitched speaker and second mediant trumpet are towards display screen one side, first woofer and described second low
Sound loudspeaker are backwards to display screen one side；
If the n loudspeaker includes voice unit, alto units and bass unit, the voice unit includes the first high pitch loudspeaker
And the second high-pitched speaker, the alto units include the first mediant trumpet and the second mediant trumpet, and the bass unit includes
3rd woofer, then first mediant trumpet, first high-pitched speaker, the 3rd woofer, described second high
Sound loudspeaker and second mediant trumpet are sequentially located at the shell of the display screen one side of the electronic equipment with order from left to right
On body；Or, first mediant trumpet, first high-pitched speaker, the 3rd woofer, second high-pitched speaker and
Second mediant trumpet is sequentially located at order from left to right on the housing of the electronic equipment, wherein, in described first
Sound loudspeaker, first high-pitched speaker, second high-pitched speaker and second mediant trumpet towards the display screen one side,
3rd woofer is backwards to display screen one side.
2. electronic equipment according to claim 1, it is characterised in that the electronic equipment, further includes：With the encoding and decoding
The amplifier that device is electrical connected；
The amplifier, the n roads simulated audio signal for being decoded to the codec carry out Simulation scale-up；
Each loudspeaker, is additionally operable to through putting all the way in the amplified n roads simulated audio signal of the amplifier
Simulated audio signal output after big is voice signal.
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| CN201310446732.9A CN104469603B (en) | 2013-09-25 | 2013-09-25 | Electronic equipment, dividing method and frequency divider |
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| CN105721639A (en) * | 2016-04-15 | 2016-06-29 | 惠州Tcl移动通信有限公司 | Stereo output device of mobile terminal and mobile terminal |
| CN105959438A (en) * | 2016-07-06 | 2016-09-21 | 惠州Tcl移动通信有限公司 | Processing method and system for audio multi-channel output loudspeaker and mobile phone |
| CN106792366A (en) * | 2016-11-23 | 2017-05-31 | 北京小米移动软件有限公司 | Audio output device and electronic equipment |
| CN106502623A (en) * | 2016-12-01 | 2017-03-15 | 北京小米移动软件有限公司 | Audio output device and method |
| CN107517355B (en) * | 2017-08-29 | 2020-02-07 | 青岛海信电器股份有限公司 | Television set |
| CN110290449A (en) * | 2019-05-09 | 2019-09-27 | 安徽奥飞声学科技有限公司 | A kind of audio devices and electronic equipment |
| CN112511966B (en) * | 2020-11-06 | 2021-12-17 | 华南理工大学 | Self-adaptive active frequency division method for vehicle-mounted stereo playback |
| CN113689890B (en) * | 2021-08-09 | 2024-07-30 | 北京小米移动软件有限公司 | Method, device and storage medium for converting multichannel signal |
| CN114401476B (en) * | 2022-01-24 | 2024-09-17 | 高创(苏州)电子有限公司 | Frequency division type loudspeaker, control method thereof and electronic equipment |
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