CN106412764A - Audio data processing method and device, and earphone - Google Patents
Audio data processing method and device, and earphone Download PDFInfo
- Publication number
- CN106412764A CN106412764A CN201610900021.8A CN201610900021A CN106412764A CN 106412764 A CN106412764 A CN 106412764A CN 201610900021 A CN201610900021 A CN 201610900021A CN 106412764 A CN106412764 A CN 106412764A
- Authority
- CN
- China
- Prior art keywords
- audio
- frequency range
- audio digital
- digital signals
- earphone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The embodiment of the invention applies to the technical field of data processing and provides an audio data processing method and device, and an earphone. The method comprises the steps of obtaining audio digital signals, carrying out frequency division processing on the obtained audio digital signals according to a preset frequency range of the audio digital signal of each frequency band, thereby obtaining multi-way sub-audio digital signals corresponding to each frequency band; and converting the multi-way sub-audio digital signals into multi-way sub-audio analog signals, amplifying the multi-way sub-audio analog signals and converting the amplified multi-way sub-audio audio signals into sound signals. Compared with the prior art, the method, the device and the earphone have the advantages that frequency division and amplification devices are arranged in the earphone, so frequency division and amplification operations can be carried out on the audio signals in the earphone; and according to a frequency division mode of carrying out frequency division and then carrying out amplification, the signal power is very low when the frequency division is carried out, so the frequency division can be carried out more precisely, and the sound quality of the earphone is improved.
Description
Technical field
The embodiment of the present invention belongs to technical field of data processing, more particularly, to a kind of audio data processing method, device and
Earphone.
Background technology
Inventor finds in recent years during realizing the present invention, and with scientific and technological high speed development, earphone is in people
Life in increasingly popularize, greatly facilitate life, amusement and the study of people, user can be listened by earphone
Music, the activity such as converse, study English.However, can not be divided in traditional earphone and filter and amplification operation, these behaviour
Work can only complete before signal enters earphone, and earphone only carries out the conduction of signal and the conversion of the signal of telecommunication and acoustical signal, and
Signal due to obtaining after the operation of frequency dividing and filter and amplification is analogue signal, and the transmission of analogue signal is highly susceptible to do
Disturb, efficiency of transmission is low, therefore conventional earphone tonequality is not good.
Content of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of audio data processing method, device gill
Machine is it is intended to solve the problems, such as to carry out the frequency dividing of audio signal and filter and amplification operation in earphone of the prior art.
Embodiment of the present invention first aspect provides a kind of earphone, and described earphone includes：
Data transmission interface, frequency divider, multiple digital to analog converter, multiple amplifying unit and multiple phonation unit；
Described data transmission interface, for obtaining audio digital signals from terminal unit；
Described frequency divider, for the frequency range of the audio digital signals according to preset each frequency range, to the audio frequency obtaining
Digital signal carries out scaling down processing, obtains multichannel sub-audio digital signal corresponding with each described frequency range respectively；
Multiple described digital to analog converters are corresponding with each described frequency range respectively, for by described multichannel sub-audio digital signal
Be converted to multichannel sub-audio analogue signal；
Multiple described amplifying units are corresponding with each described frequency range respectively, for entering to described multichannel sub-audio analogue signal
Row processing and amplifying；
Multiple described phonation units are corresponding with each described frequency range respectively, for by the described multichannel after processing and amplifying
Sub-audio analogue signal is converted into acoustical signal.
Embodiment of the present invention second aspect provides a kind of audio data processing method, and methods described includes：
Obtain audio digital signals, and the frequency range of the audio digital signals according to preset each frequency range, to obtain
Audio digital signals carry out scaling down processing, obtain multichannel sub-audio digital signal corresponding with each described frequency range respectively；
Described multichannel sub-audio digital signal is respectively converted into multichannel sub-audio analogue signal, and to described multichannel consonant
Frequency analogue signal is amplified processing respectively；
Described multichannel sub-audio analogue signal after processing and amplifying is separately converted to acoustical signal.
The embodiment of the present invention third aspect provides a kind of audio-frequency data processing device, and described device includes：
Acquisition module, for obtaining audio digital signals；
Frequency division module, for the frequency range of the audio digital signals according to preset each frequency range, to the audio frequency number obtaining
Word signal carries out scaling down processing, obtains multichannel sub-audio digital signal corresponding with each described frequency range respectively；
Modular converter, for being respectively converted into multichannel sub-audio analogue signal by described multichannel sub-audio digital signal；
Amplification module, for being filtered respectively and processing and amplifying to described multichannel sub-audio analogue signal；
Conversion module, for being separately converted to sound letter by the described multichannel sub-audio analogue signal after processing and amplifying
Number.
Knowable to the embodiments of the present invention, the present invention passes through to obtain audio digital signals, and according to preset each frequency range
Audio digital signals frequency range, to obtain audio digital signals carry out scaling down processing, obtain respectively with each frequency range pair
The multichannel sub-audio digital signal answered, multichannel sub-audio digital signal is respectively converted into multichannel sub-audio analogue signal, and right
Multichannel sub-audio analogue signal is amplified processing respectively, and the multichannel sub-audio analogue signal after processing and amplifying is turned respectively
Turn to acoustical signal, compared to prior art, the present invention is provided with frequency dividing amplifying device in earphone, make can carry out in earphone
The frequency dividing of audio signal and amplifieroperation, simultaneously by way of first dividing and amplifying respectively, this frequency dividing mode is due to frequency dividing
When signal power very little, can be more precisely carried out divide, improve the tonequality of earphone.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those skilled in the art, without having to pay creative labor, can also root
Obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the earphone that first embodiment of the invention provides；
Fig. 2 is the structural representation of the earphone that second embodiment of the invention provides；
Fig. 3 be third embodiment of the invention provide audio data processing method realize schematic flow sheet；
Fig. 4 be fourth embodiment of the invention provide audio data processing method realize schematic flow sheet；
Fig. 5 is the structural representation of the audio-frequency data processing device that fifth embodiment of the invention provides；
Fig. 6 is the structural representation of the audio-frequency data processing device that sixth embodiment of the invention provides；
Fig. 7 is the electronic devices structure schematic diagram of execution audio data processing method provided in an embodiment of the present invention.
Specific embodiment
For enabling the goal of the invention of the embodiment of the present invention, feature, advantage more obvious and understandable, below in conjunction with
Accompanying drawing in the embodiment of the present invention, is clearly and completely described it is clear that being retouched to the technical scheme in the embodiment of the present invention
The embodiment stated is only a part of embodiment of the present invention, and not all embodiments.Based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of not making creative work, broadly falls into the model of present invention protection
Enclose.
Refer to Fig. 1, the structural representation of the earphone that Fig. 1 provides for first embodiment of the invention, for convenience of description, only
Show the part related to the embodiment of the present invention.The earphone of Fig. 1 example can be the audio frequency number that following 3rd embodiments provide
Executive agent according to processing method.The earphone of Fig. 1 example, main inclusion：Data transmission interface 101, frequency divider 102, digital-to-analogue turn
Parallel operation 103, amplifying unit 104 and phonation unit 105.Each functional module describes in detail as follows：
Data transmission interface 101, for obtaining audio digital signals from terminal unit.
Wherein, this data transmission interface can be Type-C interface, and Type-C interface is a kind of USB (Universal
Serial Bus, USB (universal serial bus)) interface.This earphone can obtain sound by data transmission interface 101 from terminal unit
Frequency digital signal.
Frequency divider 102, for the frequency range of the audio digital signals according to preset each frequency range, to the audio frequency number obtaining
Word signal carries out scaling down processing, obtains multichannel sub-audio digital signal corresponding with each frequency range respectively.
Pre-set the frequency range of the audio digital signals of each frequency range, and the digital audio letter according to preset each frequency range
Number frequency range, debug frequency divider 102, and to obtain audio digital signals carry out scaling down processing, obtain respectively with preset
Each frequency range corresponding multichannel sub-audio digital signal.
Digital to analog converter 103, for being converted to multichannel sub-audio analogue signal by multichannel sub-audio digital signal.
Wherein, multiple digital to analog converters 103 are comprised in the earphone of the present embodiment, corresponding with each frequency range respectively, that is, through undue
Each way voiceband data signal of frequency device frequency dividing, a corresponding digital to analog converter 103, to carry out digital-to-analogue conversion.
Digital to analog converter (DAC, Digital to analog converter) is that one kind converts digital signals into simulation
The equipment of signal.In a lot of digital display circuits, such as computer, signal stores in a digital manner and transmits, and digital to analog converter
Such digital signal can be converted to analogue signal, so that they can be extraneous, such as nonnumeric system identification.
Amplifying unit 104, for being amplified respectively processing to multichannel sub-audio analogue signal.
Wherein, the earphone of the present embodiment includes multiple amplifying units 104, and the plurality of amplifying unit 104 corresponds to multiple
Digital to analog converter 103, receives the sub-audio analogue signal that multiple digital to analog converters 103 obtain, and the plurality of sub-audio is simulated
Signal carries out power amplification.
Phonation unit 105, for being converted into acoustical signal by the multichannel sub-audio analogue signal after processing and amplifying.
This earphone includes multiple phonation units 105, corresponding with each frequency range respectively, and multiple phonation unit 105 include but not
It is limited to：Dynamic ferrum phonation unit, moving-coil phonation unit, electrostatic phonation unit, Haier's phonation unit, piezoelectricity phonation unit.
Dynamic ferrum phonation unit is directly to drive vibrating diaphragm, is transmitted to a miniature vibrating diaphragm by the pitman of a precise structure
Central point, thus produce vibration and sounding.
The voice coil loudspeaker voice coil of moving-coil phonation unit is wound on the accurate iron plate that the central authorities being located at permanent magnetic field are referred to as " balanced armature "
On, this block iron plate drives vibrating diaphragm sounding in the presence of magnetic force.
Electrostatic phonation unit is also called electrostatic planar vibrating diaphragm, and it is conductor coil Direct Electroplating, is printed on one piece of pole
On thin plastic film, and plastic foil is placed in electrostatic field, when signal cuts electromagnetic field by coil, just drives vibrating diaphragm to shake
Dynamic sounding, good linearity, distortion is little, and high frequency reacts quickly, but low frequency differences and price are costly.
Haier's phonation unit, is a kind of pneumatic type transducer, and its operation principle is to place a piece of spy in the middle of two magnetic poles
Insulation film processed, film surface is covered with one layer by the wire coil necessarily moving towards arrangement, and has the vibrating diaphragm assembly folded up, folding
Each adjacent face of folded vibrating diaphragm assembly does relative motion in magnetic field, from crimple extrusion or suction air, in the way of spraying
Radiative acoustic wave.
Piezoelectricity phonation unit, can be referred to as piezo-electric ceramic sounding element again, and it is mainly by foil and piezoelectric ceramic thin sheet
Composition, wherein, foil surfaces is closely fitted with 2 or more same sizes the Thin Piezoelectric fitting tightly successively
Piece, the polarised direction of adjacent piezoelectric ceramic thin sheet is contrary, and acoustic pressure produced by the piezo-electric acoustic generator of this structure is made pottery with piezoelectricity
The quantity of porcelain thin slice is directly proportional, and quantity is more, and acoustic pressure is bigger, by increasing piezoelectric ceramic thin sheet quantity, realizes required easily
Big acoustic pressure, its simple production process, production cost is relatively low.
Earphone provided in an embodiment of the present invention, by obtaining audio digital signals, and the audio frequency according to preset each frequency range
The audio digital signals obtaining are carried out scaling down processing, obtain corresponding with each frequency range many respectively by the frequency range of digital signal
Way audio digital signals, multichannel sub-audio digital signal is respectively converted into multichannel sub-audio analogue signal, and to many ways
Audio analog signals are amplified processing respectively, and the multichannel sub-audio analogue signal after processing and amplifying is separately converted to sound
Message number, compared to prior art, the present invention is provided with frequency dividing amplifying device in earphone, makes can carry out audio frequency letter in earphone
Number frequency dividing and amplifieroperation, simultaneously by way of first dividing and amplifying respectively again, this frequency dividing mode due to frequency dividing when signal
Power very little, can be more precisely carried out dividing, improve the tonequality of earphone.
Refer to Fig. 2, the structural representation of the earphone that Fig. 2 provides for second embodiment of the invention, for convenience of description, only
Show the part related to the embodiment of the present invention.The earphone of Fig. 2 example can be the audio frequency number that following fourth embodiments provide
Executive agent according to processing method.The earphone of Fig. 2 example, main inclusion：Data transmission interface 201, wave filter 202, frequency divider
203rd, digital to analog converter 204, amplifying unit 205 and phonation unit 206.Each functional module describes in detail as follows：
Data transmission interface 201, for obtaining audio digital signals from terminal unit, and obtains electric energy.
Wherein, this data transmission interface can be Type-C interface, and Type-C interface is a kind of USB (Universal
Serial Bus, USB (universal serial bus)) interface.This earphone can obtain sound by data transmission interface 101 from terminal unit
Frequency digital signal, and electric energy can be obtained from terminal unit by data transmission interface 201, to power for this earphone.
The audio digital signals obtaining from terminal unit are filtered processing by wave filter 202；
The audio digital signals obtaining are filtered processing, to filter the invalid signals in sub-audio analogue signal.
Frequency divider 203, for the frequency range of the audio digital signals according to preset each frequency range, to processing after filtering
Audio digital signals carry out scaling down processing, obtain multichannel sub-audio digital signal corresponding with each frequency range respectively.
Pre-set the frequency range of the audio digital signals of each frequency range, and the digital audio letter according to preset each frequency range
Number frequency range, debug frequency divider 203, and scaling down processing carried out to the audio digital signals processing after filtering, divided
Not with preset each frequency range corresponding multichannel sub-audio digital signal.
Digital to analog converter 204, for being converted to multichannel sub-audio analogue signal by multichannel sub-audio digital signal.
Wherein, multiple digital to analog converters 204 are comprised in the earphone of the present embodiment, corresponding with each frequency range respectively, that is, through undue
Each way voiceband data signal of frequency device frequency dividing, a corresponding digital to analog converter 204, to carry out digital-to-analogue conversion.
Digital to analog converter (DAC, Digital to analog converter) is that one kind converts digital signals into simulation
The equipment of signal.In a lot of digital display circuits, such as computer, signal stores in a digital manner and transmits, and digital to analog converter
Such digital signal can be converted to analogue signal, so that they can be extraneous, such as nonnumeric system identification.
Amplifying unit 205, for being amplified respectively processing to multichannel sub-audio analogue signal.
Wherein, the earphone of the present embodiment includes multiple amplifying units 205, and the plurality of amplifying unit 205 corresponds to multiple
Digital to analog converter 204, receives the sub-audio analogue signal that multiple digital to analog converters 204 obtain, and the plurality of sub-audio is simulated
Signal carries out power amplification.
Phonation unit 206, for being converted into acoustical signal by the multichannel sub-audio analogue signal after processing and amplifying.
This earphone includes multiple phonation units 206, corresponding with each frequency range respectively, and multiple phonation unit 206 include but not
It is limited to：Dynamic ferrum phonation unit, moving-coil phonation unit, electrostatic phonation unit, Haier's phonation unit, piezoelectricity phonation unit.
Dynamic ferrum phonation unit is directly to drive vibrating diaphragm, is transmitted to a miniature vibrating diaphragm by the pitman of a precise structure
Central point, thus produce vibration and sounding.
The voice coil loudspeaker voice coil of moving-coil phonation unit is wound on the accurate iron plate that the central authorities being located at permanent magnetic field are referred to as " balanced armature "
On, this block iron plate drives vibrating diaphragm sounding in the presence of magnetic force.
Electrostatic phonation unit is also called electrostatic planar vibrating diaphragm, and it is conductor coil Direct Electroplating, is printed on one piece of pole
On thin plastic film, and plastic foil is placed in electrostatic field, when signal cuts electromagnetic field by coil, just drives vibrating diaphragm to shake
Dynamic sounding, good linearity, distortion is little, and high frequency reacts quickly, but low frequency differences and price are costly.
Haier's phonation unit, is a kind of pneumatic type transducer, and its operation principle is to place a piece of spy in the middle of two magnetic poles
Insulation film processed, film surface is covered with one layer by the wire coil necessarily moving towards arrangement, and has the vibrating diaphragm assembly folded up, folding
Each adjacent face of folded vibrating diaphragm assembly does relative motion in magnetic field, from crimple extrusion or suction air, in the way of spraying
Radiative acoustic wave.
Piezoelectricity phonation unit, can be referred to as piezo-electric ceramic sounding element again, and it is mainly by foil and piezoelectric ceramic thin sheet
Composition, wherein, foil surfaces is closely fitted with 2 or more same sizes the Thin Piezoelectric fitting tightly successively
Piece, the polarised direction of adjacent piezoelectric ceramic thin sheet is contrary, and acoustic pressure produced by the piezo-electric acoustic generator of this structure is made pottery with piezoelectricity
The quantity of porcelain thin slice is directly proportional, and quantity is more, and acoustic pressure is bigger, by increasing piezoelectric ceramic thin sheet quantity, realizes required easily
Big acoustic pressure, its simple production process, production cost is relatively low.
Earphone provided in an embodiment of the present invention, by obtaining audio digital signals, and the audio frequency according to preset each frequency range
The audio digital signals obtaining are carried out scaling down processing, obtain corresponding with each frequency range many respectively by the frequency range of digital signal
Way audio digital signals, multichannel sub-audio digital signal is respectively converted into multichannel sub-audio analogue signal, and to many ways
Audio analog signals are amplified processing respectively, and the multichannel sub-audio analogue signal after processing and amplifying is separately converted to sound
Message number, compared to prior art, the present invention is provided with frequency dividing amplifying device in earphone, makes can carry out audio frequency letter in earphone
Number frequency dividing and amplifieroperation, simultaneously by way of first dividing and amplifying respectively again, this frequency dividing mode due to frequency dividing when signal
Power very little, can be more precisely carried out dividing, improve the tonequality of earphone.
Refer to Fig. 3, Fig. 3 is that the flow process of realizing of the audio data processing method that third embodiment of the invention provides is illustrated
Figure, the method can be applicable in earphone, and the audio data processing method providing in the embodiment of the present invention comprises the following steps：
S301, obtain audio digital signals, and the frequency range of the audio digital signals according to preset each frequency range, to obtaining
The audio digital signals taking carry out scaling down processing, obtain multichannel sub-audio digital signal corresponding with each frequency range respectively；
Wherein, earphone obtains audio digital signals by data transmission interface from terminal unit, this data transmission interface
Can be Type-C interface, Type-C interface is a kind of USB (Universal Serial Bus, USB (universal serial bus)) interface.
Pre-set the frequency range of the audio digital signals of each frequency range, and the digital audio letter according to preset each frequency range
Number frequency range, debug frequency divider, and scaling down processing carried out to the audio digital signals obtaining, obtain each with preset respectively
Frequency range corresponding multichannel sub-audio digital signal.
S302, multichannel sub-audio digital signal is converted to multichannel sub-audio analogue signal, and multichannel sub-audio is simulated
Signal is amplified processing respectively；
Wherein, multiple digital to analog converters are comprised in the earphone of the present embodiment, corresponding with each frequency range respectively, that is, through frequency divider
Each way voiceband data signal of frequency dividing, a corresponding digital to analog converter, to carry out digital-to-analogue conversion.
Digital to analog converter (DAC, Digital to analog converter) is that one kind converts digital signals into simulation
The equipment of signal.In a lot of digital display circuits, such as computer, signal stores in a digital manner and transmits, and digital to analog converter
Such digital signal can be converted to analogue signal, so that they can be extraneous, such as nonnumeric system identification.
Wherein, the earphone of the present embodiment includes multiple amplifying units, and the plurality of amplifying unit turns corresponding to multiple digital-to-analogues
Parallel operation, receives the sub-audio analogue signal that multiple digital to analog converters obtain, and carries out power to the plurality of sub-audio analogue signal
Amplify.
S303, the multichannel sub-audio analogue signal after processing and amplifying is converted into acoustical signal.
This earphone includes multiple phonation units, corresponding with each frequency range respectively, and multiple phonation unit includes but is not limited to：Dynamic
Ferrum phonation unit, moving-coil phonation unit, electrostatic phonation unit, Haier's phonation unit, piezoelectricity phonation unit.
Dynamic ferrum phonation unit is directly to drive vibrating diaphragm, is transmitted to a miniature vibrating diaphragm by the pitman of a precise structure
Central point, thus produce vibration and sounding.
The voice coil loudspeaker voice coil of moving-coil phonation unit is wound on the accurate iron plate that the central authorities being located at permanent magnetic field are referred to as " balanced armature "
On, this block iron plate drives vibrating diaphragm sounding in the presence of magnetic force.
Electrostatic phonation unit is also called electrostatic planar vibrating diaphragm, and it is conductor coil Direct Electroplating, is printed on one piece of pole
On thin plastic film, and plastic foil is placed in electrostatic field, when signal cuts electromagnetic field by coil, just drives vibrating diaphragm to shake
Dynamic sounding, good linearity, distortion is little, and high frequency reacts quickly, but low frequency differences and price are costly.
Haier's phonation unit, is a kind of pneumatic type transducer, and its operation principle is to place a piece of spy in the middle of two magnetic poles
Insulation film processed, film surface is covered with one layer by the wire coil necessarily moving towards arrangement, and has the vibrating diaphragm assembly folded up, folding
Each adjacent face of folded vibrating diaphragm assembly does relative motion in magnetic field, from crimple extrusion or suction air, in the way of spraying
Radiative acoustic wave.
Piezoelectricity phonation unit, can be referred to as piezo-electric ceramic sounding element again, and it is mainly by foil and piezoelectric ceramic thin sheet
Composition, wherein, foil surfaces is closely fitted with 2 or more same sizes the Thin Piezoelectric fitting tightly successively
Piece, the polarised direction of adjacent piezoelectric ceramic thin sheet is contrary, and acoustic pressure produced by the piezo-electric acoustic generator of this structure is made pottery with piezoelectricity
The quantity of porcelain thin slice is directly proportional, and quantity is more, and acoustic pressure is bigger, by increasing piezoelectric ceramic thin sheet quantity, realizes required easily
Big acoustic pressure, its simple production process, production cost is relatively low.
Audio data processing method provided in an embodiment of the present invention, by obtaining audio digital signals, and according to preset
The frequency range of the audio digital signals of each frequency range, to obtain audio digital signals carry out scaling down processing, obtain respectively with respectively
Frequency range corresponding multichannel sub-audio digital signal, multichannel sub-audio digital signal is respectively converted into multichannel sub-audio simulation letter
Number, and multichannel sub-audio analogue signal is amplified processing respectively, by the multichannel sub-audio simulation letter after processing and amplifying
Number it is separately converted to acoustical signal, compared to prior art, the present invention is provided with frequency dividing amplifying device in earphone, makes in earphone
Frequency dividing and the amplifieroperation of audio signal can be carried out, simultaneously by way of first dividing and amplifying respectively again, this frequency dividing mode
Due to signal power very little during frequency dividing, can be more precisely carried out dividing, improve the tonequality of earphone.
Refer to Fig. 4, Fig. 4 is that the flow process of realizing of the audio data processing method that fourth embodiment of the invention provides is illustrated
Figure, the method can be applicable in earphone, and the audio data processing method providing in the embodiment of the present invention comprises the following steps：
S401, from terminal unit obtain electric energy, in order to power for earphone；
S402, from terminal unit obtain audio digital signals；
Wherein, this earphone obtains electric energy and audio digital signals by data transmission interface from terminal unit, and data passes
Defeated interface can be Type-C interface.
S403, the audio digital signals to acquisition from terminal unit are filtered processing；
The audio digital signals obtaining are filtered processing, to filter the invalid signals in sub-audio analogue signal.
S404, the frequency range according to the audio digital signals of preset each frequency range, to the audio frequency number processing after filtering
Word signal carries out scaling down processing, obtains multichannel sub-audio digital signal corresponding with each frequency range respectively；
Pre-set the frequency range of the audio digital signals of each frequency range, and the digital audio letter according to preset each frequency range
Number frequency range, debug frequency divider, and scaling down processing carried out to the audio digital signals processing after filtering, obtain respectively with
Preset each frequency range corresponding multichannel sub-audio digital signal.
S405, multichannel sub-audio digital signal is converted to multichannel sub-audio analogue signal；
Wherein, multiple digital to analog converters are comprised in the earphone of the present embodiment, corresponding with each frequency range respectively, that is, through frequency dividing
Each way voiceband data signal, a corresponding digital to analog converter, to carry out digital-to-analogue conversion.
Digital to analog converter (DAC, Digital to analog converter) is that one kind converts digital signals into simulation
The equipment of signal.In a lot of digital display circuits, such as computer, signal stores in a digital manner and transmits, and digital to analog converter
Such digital signal can be converted to analogue signal, so that they can be extraneous, such as nonnumeric system identification.
S406, to multichannel sub-audio analogue signal respectively be amplified process；
Wherein, the earphone of the present embodiment includes multiple amplifying units, and the plurality of amplifying unit turns corresponding to multiple digital-to-analogues
Parallel operation, receives the sub-audio analogue signal that multiple digital to analog converters obtain, and carries out power to the plurality of sub-audio analogue signal
Amplify.
S407, the multichannel sub-audio analogue signal after processing and amplifying is converted into acoustical signal.
This earphone includes multiple phonation units, corresponding with each frequency range respectively, and multiple phonation unit includes but is not limited to：Dynamic
Ferrum phonation unit, moving-coil phonation unit, electrostatic phonation unit, Haier's phonation unit, piezoelectricity phonation unit.
Dynamic ferrum phonation unit is directly to drive vibrating diaphragm, is transmitted to a miniature vibrating diaphragm by the pitman of a precise structure
Central point, thus produce vibration and sounding.
The voice coil loudspeaker voice coil of moving-coil phonation unit is wound on the accurate iron plate that the central authorities being located at permanent magnetic field are referred to as " balanced armature "
On, this block iron plate drives vibrating diaphragm sounding in the presence of magnetic force.
Electrostatic phonation unit is also called electrostatic planar vibrating diaphragm, and it is conductor coil Direct Electroplating, is printed on one piece of pole
On thin plastic film, and plastic foil is placed in electrostatic field, when signal cuts electromagnetic field by coil, just drives vibrating diaphragm to shake
Dynamic sounding, good linearity, distortion is little, and high frequency reacts quickly, but low frequency differences and price are costly.
Haier's phonation unit, is a kind of pneumatic type transducer, and its operation principle is to place a piece of spy in the middle of two magnetic poles
Insulation film processed, film surface is covered with one layer by the wire coil necessarily moving towards arrangement, and has the vibrating diaphragm assembly folded up, folding
Each adjacent face of folded vibrating diaphragm assembly does relative motion in magnetic field, from crimple extrusion or suction air, in the way of spraying
Radiative acoustic wave.
Piezoelectricity phonation unit, can be referred to as piezo-electric ceramic sounding element again, and it is mainly by foil and piezoelectric ceramic thin sheet
Composition, wherein, foil surfaces is closely fitted with 2 or more same sizes the Thin Piezoelectric fitting tightly successively
Piece, the polarised direction of adjacent piezoelectric ceramic thin sheet is contrary, and acoustic pressure produced by the piezo-electric acoustic generator of this structure is made pottery with piezoelectricity
The quantity of porcelain thin slice is directly proportional, and quantity is more, and acoustic pressure is bigger, by increasing piezoelectric ceramic thin sheet quantity, realizes required easily
Big acoustic pressure, its simple production process, production cost is relatively low.
Audio data processing method provided in an embodiment of the present invention, by obtaining audio digital signals, and according to preset
The frequency range of the audio digital signals of each frequency range, to obtain audio digital signals carry out scaling down processing, obtain respectively with respectively
Frequency range corresponding multichannel sub-audio digital signal, multichannel sub-audio digital signal is respectively converted into multichannel sub-audio simulation letter
Number, and multichannel sub-audio analogue signal is amplified processing respectively, by the multichannel sub-audio simulation letter after processing and amplifying
Number it is separately converted to acoustical signal, compared to prior art, the present invention is provided with frequency dividing amplifying device in earphone, makes in earphone
Frequency dividing and the amplifieroperation of audio signal can be carried out, simultaneously by way of first dividing and amplifying respectively again, this frequency dividing mode
Due to signal power very little during frequency dividing, can be more precisely carried out dividing, improve the tonequality of earphone.
Refer to Fig. 5, Fig. 5 is the structural representation of the audio-frequency data processing device that fifth embodiment of the invention provides, and is
It is easy to illustrate, illustrate only the part related to the embodiment of the present invention.Before the audio-frequency data processing device of Fig. 5 example can be
The executive agent of the audio data processing method of 3rd embodiment offer is provided.The audio-frequency data processing device of Fig. 5 example, main bag
Include：Acquisition module 501, frequency division module 502, modular converter 503, amplification module 504 and conversion module 505.Each functional module
Describe in detail as follows：
Acquisition module 501, for obtaining audio digital signals.
Frequency division module 502, for and audio digital signals according to preset each frequency range frequency range, to the sound obtaining
Frequency digital signal carries out scaling down processing, obtains multichannel sub-audio digital signal corresponding with each frequency range respectively.
Wherein, earphone obtains audio digital signals by data transmission interface from terminal unit, this data transmission interface
Can be Type-C interface, Type-C interface is a kind of USB (Universal Serial Bus, USB (universal serial bus)) interface.
Pre-set the frequency range of the audio digital signals of each frequency range, and the digital audio letter according to preset each frequency range
Number frequency range, debug frequency divider, and scaling down processing carried out to the audio digital signals obtaining, obtain each with preset respectively
Frequency range corresponding multichannel sub-audio digital signal.
Modular converter 503, for being converted to multichannel sub-audio analogue signal by multichannel sub-audio digital signal.
Wherein, multiple digital to analog converters are comprised in the earphone of the present embodiment, corresponding with each frequency range respectively, that is, through frequency divider
Each way voiceband data signal of frequency dividing, a corresponding digital to analog converter, to carry out digital-to-analogue conversion.
Digital to analog converter (DAC, Digital to analog converter) is that one kind converts digital signals into simulation
The equipment of signal.In a lot of digital display circuits, such as computer, signal stores in a digital manner and transmits, and digital to analog converter
Such digital signal can be converted to analogue signal, so that they can be extraneous, such as nonnumeric system identification.
Amplification module 504, for being amplified respectively processing to multichannel sub-audio analogue signal.
Wherein, the earphone of the present embodiment includes multiple amplifying units, and the plurality of amplifying unit turns corresponding to multiple digital-to-analogues
Parallel operation, receives the sub-audio analogue signal that multiple digital to analog converters obtain, and carries out power to the plurality of sub-audio analogue signal
Amplify.
Conversion module 505, for being converted into acoustical signal by the multichannel sub-audio analogue signal after processing and amplifying.
This earphone includes multiple phonation units, corresponding with each frequency range respectively, and multiple phonation unit includes but is not limited to：Dynamic
Ferrum phonation unit, moving-coil phonation unit, electrostatic phonation unit, Haier's phonation unit, piezoelectricity phonation unit.
Dynamic ferrum phonation unit is directly to drive vibrating diaphragm, is transmitted to a miniature vibrating diaphragm by the pitman of a precise structure
Central point, thus produce vibration and sounding.
The voice coil loudspeaker voice coil of moving-coil phonation unit is wound on the accurate iron plate that the central authorities being located at permanent magnetic field are referred to as " balanced armature "
On, this block iron plate drives vibrating diaphragm sounding in the presence of magnetic force.
Electrostatic phonation unit is also called electrostatic planar vibrating diaphragm, and it is conductor coil Direct Electroplating, is printed on one piece of pole
On thin plastic film, and plastic foil is placed in electrostatic field, when signal cuts electromagnetic field by coil, just drives vibrating diaphragm to shake
Dynamic sounding, good linearity, distortion is little, and high frequency reacts quickly, but low frequency differences and price are costly.
Haier's phonation unit, is a kind of pneumatic type transducer, and its operation principle is to place a piece of spy in the middle of two magnetic poles
Insulation film processed, film surface is covered with one layer by the wire coil necessarily moving towards arrangement, and has the vibrating diaphragm assembly folded up, folding
Each adjacent face of folded vibrating diaphragm assembly does relative motion in magnetic field, from crimple extrusion or suction air, in the way of spraying
Radiative acoustic wave.
Piezoelectricity phonation unit, can be referred to as piezo-electric ceramic sounding element again, and it is mainly by foil and piezoelectric ceramic thin sheet
Composition, wherein, foil surfaces is closely fitted with 2 or more same sizes the Thin Piezoelectric fitting tightly successively
Piece, the polarised direction of adjacent piezoelectric ceramic thin sheet is contrary, and acoustic pressure produced by the piezo-electric acoustic generator of this structure is made pottery with piezoelectricity
The quantity of porcelain thin slice is directly proportional, and quantity is more, and acoustic pressure is bigger, by increasing piezoelectric ceramic thin sheet quantity, realizes required easily
Big acoustic pressure, its simple production process, production cost is relatively low.
Audio-frequency data processing device provided in an embodiment of the present invention, by obtaining audio digital signals, and according to preset
The frequency range of the audio digital signals of each frequency range, to obtain audio digital signals carry out scaling down processing, obtain respectively with respectively
Frequency range corresponding multichannel sub-audio digital signal, multichannel sub-audio digital signal is respectively converted into multichannel sub-audio simulation letter
Number, and multichannel sub-audio analogue signal is amplified processing respectively, by the multichannel sub-audio simulation letter after processing and amplifying
Number it is separately converted to acoustical signal, compared to prior art, the present invention is provided with frequency dividing amplifying device in earphone, makes in earphone
Frequency dividing and the amplifieroperation of audio signal can be carried out, simultaneously by way of first dividing and amplifying respectively again, this frequency dividing mode
Due to signal power very little during frequency dividing, can be more precisely carried out dividing, improve the tonequality of earphone.
Refer to Fig. 6, Fig. 6 is the structural representation of the audio-frequency data processing device that sixth embodiment of the invention provides, and is
It is easy to illustrate, illustrate only the part related to the embodiment of the present invention.Before the audio-frequency data processing device of Fig. 6 example can be
The executive agent of the audio data processing method of fourth embodiment offer is provided.The audio-frequency data processing device of Fig. 6 example, main bag
Include：Acquisition module 601, filtration module 602, frequency division module 603, modular converter 604, amplification module 605 and conversion module
606.Each functional module describes in detail as follows：
Acquisition module 601, for obtaining audio digital signals and electric energy from terminal unit；
Wherein, this earphone obtains electric energy and audio digital signals by data transmission interface from terminal unit, and data passes
Defeated interface can be Type-C interface.
Filtration module 602, for being filtered to the audio digital signals obtaining from terminal unit processing.
The audio digital signals obtaining are filtered processing, to filter the invalid signals in sub-audio analogue signal.
Frequency division module 603, for the frequency range of the audio digital signals according to preset each frequency range, to locating after filtering
The audio digital signals of reason carry out scaling down processing, obtain multichannel sub-audio digital signal corresponding with each frequency range respectively.
Pre-set the frequency range of the audio digital signals of each frequency range, and the digital audio letter according to preset each frequency range
Number frequency range, debug frequency divider, and scaling down processing carried out to the audio digital signals processing after filtering, obtain respectively with
Preset each frequency range corresponding multichannel sub-audio digital signal.
Modular converter 604, for being converted to multichannel sub-audio analogue signal by multichannel sub-audio digital signal.
Wherein, multiple digital to analog converters are comprised in the earphone of the present embodiment, corresponding with each frequency range respectively, that is, through frequency dividing
Each way voiceband data signal, a corresponding digital to analog converter, to carry out digital-to-analogue conversion.
Digital to analog converter (DAC, Digital to analog converter) is that one kind converts digital signals into simulation
The equipment of signal.In a lot of digital display circuits, such as computer, signal stores in a digital manner and transmits, and digital to analog converter
Such digital signal can be converted to analogue signal, so that they can be extraneous, such as nonnumeric system identification.
Amplification module 605, for being amplified respectively processing to multichannel sub-audio analogue signal.
Wherein, the earphone of the present embodiment includes multiple amplifying units, and the plurality of amplifying unit turns corresponding to multiple digital-to-analogues
Parallel operation, receives the sub-audio analogue signal that multiple digital to analog converters obtain, and carries out power to the plurality of sub-audio analogue signal
Amplify.
Conversion module 606, for being converted into acoustical signal by the multichannel sub-audio analogue signal after processing and amplifying.
This earphone includes multiple phonation units, corresponding with each frequency range respectively, and multiple phonation unit includes but is not limited to：Dynamic
Ferrum phonation unit, moving-coil phonation unit, electrostatic phonation unit, Haier's phonation unit, piezoelectricity phonation unit.
Dynamic ferrum phonation unit is directly to drive vibrating diaphragm, is transmitted to a miniature vibrating diaphragm by the pitman of a precise structure
Central point, thus produce vibration and sounding.
The voice coil loudspeaker voice coil of moving-coil phonation unit is wound on the accurate iron plate that the central authorities being located at permanent magnetic field are referred to as " balanced armature "
On, this block iron plate drives vibrating diaphragm sounding in the presence of magnetic force.
Electrostatic phonation unit is also called electrostatic planar vibrating diaphragm, and it is conductor coil Direct Electroplating, is printed on one piece of pole
On thin plastic film, and plastic foil is placed in electrostatic field, when signal cuts electromagnetic field by coil, just drives vibrating diaphragm to shake
Dynamic sounding, good linearity, distortion is little, and high frequency reacts quickly, but low frequency differences and price are costly.
Haier's phonation unit, is a kind of pneumatic type transducer, and its operation principle is to place a piece of spy in the middle of two magnetic poles
Insulation film processed, film surface is covered with one layer by the wire coil necessarily moving towards arrangement, and has the vibrating diaphragm assembly folded up, folding
Each adjacent face of folded vibrating diaphragm assembly does relative motion in magnetic field, from crimple extrusion or suction air, in the way of spraying
Radiative acoustic wave.
Piezoelectricity phonation unit, can be referred to as piezo-electric ceramic sounding element again, and it is mainly by foil and piezoelectric ceramic thin sheet
Composition, wherein, foil surfaces is closely fitted with 2 or more same sizes the Thin Piezoelectric fitting tightly successively
Piece, the polarised direction of adjacent piezoelectric ceramic thin sheet is contrary, and acoustic pressure produced by the piezo-electric acoustic generator of this structure is made pottery with piezoelectricity
The quantity of porcelain thin slice is directly proportional, and quantity is more, and acoustic pressure is bigger, by increasing piezoelectric ceramic thin sheet quantity, realizes required easily
Big acoustic pressure, its simple production process, production cost is relatively low.
Audio-frequency data processing device provided in an embodiment of the present invention, by obtaining audio digital signals, and according to preset
The frequency range of the audio digital signals of each frequency range, to obtain audio digital signals carry out scaling down processing, obtain respectively with respectively
Frequency range corresponding multichannel sub-audio digital signal, multichannel sub-audio digital signal is respectively converted into multichannel sub-audio simulation letter
Number, and multichannel sub-audio analogue signal is amplified processing respectively, by the multichannel sub-audio simulation letter after processing and amplifying
Number it is separately converted to acoustical signal, compared to prior art, the present invention is provided with frequency dividing amplifying device in earphone, makes in earphone
Frequency dividing and the amplifieroperation of audio signal can be carried out, simultaneously by way of first dividing and amplifying respectively again, this frequency dividing mode
Due to signal power very little during frequency dividing, can be more precisely carried out dividing, improve the tonequality of earphone.
Fig. 7 is the hardware architecture diagram of the electronic equipment of audio data processing method that the embodiment of the present application provides, such as
Shown in Fig. 7, this equipment includes：
One or more processors 710 and memorizer 720, in Fig. 7 taking a processor 710 as a example.
The equipment of execution audio data processing method can also include：Input equipment 730 and output device 740.
Processor 710, memorizer 720, input equipment 730 and output device 740 can pass through bus or other modes
Connect, in Fig. 7 taking connected by bus 750 as a example.
Memorizer 720, as a kind of non-volatile computer readable storage medium storing program for executing, can be used for storing non-volatile software journey
Audio data processing method in sequence, non-volatile computer executable program and module, such as the embodiment of the present application is corresponding
Programmed instruction/module (for example, the acquisition module 501 shown in Fig. 5, frequency division module 502, modular converter 503, amplification module 504 with
And conversion module 505).Processor 710 pass through to run the non-volatile software program in memorizer 720 of being stored in, instruction and
Module, thus the various function application of execute server and data processing, that is, realizes the voice data of said method embodiment
Processing method.
Memorizer 720 can include storing program area and storage data field, and wherein, storing program area can store operation system
Application program required for system, at least one function；Storage data field can store the use institute according to audio-frequency data processing device
Data creating etc..Additionally, memorizer 720 can include high-speed random access memory, non-volatile memories can also be included
Device, for example, at least one disk memory, flush memory device or other non-volatile solid state memory parts.In some embodiments
In, memorizer 720 is optional to include the memorizer remotely located with respect to processor 710, and these remote memories can pass through net
Network connects to audio-frequency data processing device.The example of above-mentioned network include but is not limited to the Internet, intranet, LAN,
Mobile radio communication and combinations thereof.
Input equipment 730 can the numeral of receives input or character information, and produce the use with audio-frequency data processing device
The key signals input that family is arranged and function control is relevant.Output device 740 may include the display devices such as display screen.
One or more of module stores in described memorizer 720, when by one or more of processors
During 710 execution, execute the information pushing reminding method in above-mentioned any means embodiment.
The said goods can perform the method that the embodiment of the present application is provided, and possesses the corresponding functional module of execution method and has
Beneficial effect.The not ins and outs of detailed description in the present embodiment, can be found in the method that the embodiment of the present application is provided.
The electronic equipment of the embodiment of the present invention exists in a variety of forms, including but not limited to：
(1) mobile communication equipment：The feature of this kind equipment is that possess mobile communication function, and to provide speech, data
Communicate as main target.This Terminal Type includes：Smart mobile phone (such as iPhone), multimedia handset, feature mobile phone, and low
End mobile phone etc..
(2) super mobile personal computer equipment:This kind equipment belongs to the category of personal computer, has calculating and processes work(
Can, typically also possess mobile Internet access characteristic.This Terminal Type includes：PDA, MID and UMPC equipment etc., such as iPad.
(3) portable entertainment device：This kind equipment can show and play content of multimedia.This kind equipment includes：Audio frequency,
Video player (such as iPod), handheld device, e-book, and intelligent toy and portable car-mounted navigator.
(4) server：There is provided the equipment of the service of calculating, it is total that the composition of server includes processor, hard disk, internal memory, system
Line etc., server is similar with general computer architecture, but due to needing to provide highly reliable service, is therefore processing energy
The aspects such as power, stability, reliability, safety, extensibility, manageability require higher.
(5) other have the electronic installation of data interaction function.
It should be understood that disclosed earphone, device and method in several embodiments provided herein, permissible
Realize by another way.For example, device embodiment described above is only schematically, for example, described module
Divide, only a kind of division of logic function, actual can have other dividing mode when realizing, for example multiple module or components
Can in conjunction with or be desirably integrated into another system, or some features can be ignored, or does not execute.Another, shown or
The coupling each other discussing or direct-coupling or communication connection can be by some interfaces, the indirect coupling of device or module
Close or communicate to connect, can be electrical, mechanical or other forms.
The described module illustrating as separating component can be or may not be physically separate, show as module
The part showing can be or may not be physical module, you can with positioned at a place, or can also be distributed to multiple
On mixed-media network modules mixed-media.The mesh to realize this embodiment scheme for some or all of module therein can be selected according to the actual needs
's.
In addition, can be integrated in a processing module in each functional module in each embodiment of the present invention it is also possible to
It is that modules are individually physically present it is also possible to two or more modules are integrated in a module.Above-mentioned integrated mould
Block both can be to be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.
If described integrated module is realized and as independent production marketing or use using in the form of software function module
When, can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part in other words prior art being contributed or all or part of this technical scheme can be in the form of software products
Embody, this computer software product is stored in a storage medium, including some instructions with so that a computer
Equipment (can be personal computer, server, or network equipment etc.) executes the complete of each embodiment methods described of the present invention
Portion or part steps.And aforesaid storage medium includes：USB flash disk, portable hard drive, read only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
It should be noted that for aforesaid each method embodiment, for easy description, therefore it is all expressed as a series of
Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement because
According to the present invention, some steps can be carried out using other orders or simultaneously.Secondly, those skilled in the art also should know
Know, embodiment described in this description belongs to preferred embodiment, and involved action and module might not be all these
Bright necessary.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not have the portion described in detail in certain embodiment
Point, may refer to the associated description of other embodiments.
It is more than the description to audio data processing method provided by the present invention, device and earphone, for this area
Technical staff, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, comprehensive
On, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a kind of earphone is it is characterised in that described earphone includes：
Data transmission interface, frequency divider, multiple digital to analog converter, multiple amplifying unit and multiple phonation unit；
Described data transmission interface, for obtaining audio digital signals from terminal unit；
Described frequency divider, for the frequency range of the audio digital signals according to preset each frequency range, to the digital audio obtaining
Signal carries out scaling down processing, obtains multichannel sub-audio digital signal corresponding with each described frequency range respectively；
Multiple described digital to analog converters are corresponding with each described frequency range respectively, for changing described multichannel sub-audio digital signal
For multichannel sub-audio analogue signal；
Multiple described amplifying units are corresponding with each described frequency range respectively, for putting to described multichannel sub-audio analogue signal
Big process；
Multiple described phonation units are corresponding with each described frequency range respectively, for by the described multichannel consonant after processing and amplifying
Frequency analogue signal is converted into acoustical signal.
2. earphone as claimed in claim 1 is it is characterised in that described earphone also includes：
The audio digital signals obtaining from terminal unit are filtered processing by wave filter；
Then described frequency divider, for the frequency range of the audio digital signals according to preset each frequency range, to processing after filtering
Audio digital signals carry out scaling down processing, obtain multichannel sub-audio digital signal corresponding with each described frequency range respectively.
3. earphone as claimed in claim 2 is it is characterised in that described data transmission interface is additionally operable to from described terminal unit
Obtain electric energy, in order to power for described earphone.
4. the earphone as described in any one of claims 1 to 3 is it is characterised in that described data transmission interface is Type-C interface.
5. a kind of audio data processing method is it is characterised in that methods described includes：
Obtain audio digital signals, and the frequency range of the audio digital signals according to preset each frequency range, to the audio frequency obtaining
Digital signal carries out scaling down processing, obtains multichannel sub-audio digital signal corresponding with each described frequency range respectively；
Described multichannel sub-audio digital signal is respectively converted into multichannel sub-audio analogue signal, and to described multichannel sub-audio mould
Intend signal to be amplified respectively processing；
Described multichannel sub-audio analogue signal after processing and amplifying is separately converted to acoustical signal.
6. method as claimed in claim 5 is it is characterised in that described acquisition audio digital signals, and according to preset each frequency
The audio digital signals obtaining are carried out scaling down processing, obtain described with each respectively by the frequency range of the audio digital signals of section
Frequency range corresponding multichannel sub-audio digital signal, including：
Obtain audio digital signals, and described audio digital signals are filtered process；
The audio digital signals processing after filtering are carried out by the frequency range of the audio digital signals according to preset each frequency range
Scaling down processing, obtains multichannel sub-audio digital signal corresponding with each described frequency range respectively.
7. method as claimed in claim 6 is it is characterised in that methods described also includes：
Obtain electric energy from described terminal unit, in order to power for earphone.
8. a kind of audio-frequency data processing device is it is characterised in that described device includes：
Acquisition module, for obtaining audio digital signals；
Frequency division module, for the frequency range of the audio digital signals according to preset each frequency range, to the digital audio letter obtaining
Number carry out scaling down processing, obtain multichannel sub-audio digital signal corresponding with each described frequency range respectively；
Modular converter, for being respectively converted into multichannel sub-audio analogue signal by described multichannel sub-audio digital signal；
Amplification module, for being filtered respectively and processing and amplifying to described multichannel sub-audio analogue signal；
Conversion module, for being separately converted to acoustical signal by the described multichannel sub-audio analogue signal after processing and amplifying.
9. device as claimed in claim 8 is it is characterised in that described device also includes：
Filtration module, for being filtered to the described audio digital signals obtaining processing；
Then described frequency division module, is additionally operable to the frequency range of the audio digital signals according to preset each frequency range, to after filtering
The audio digital signals processing carry out scaling down processing, obtain multichannel sub-audio digital signal corresponding with each described frequency range respectively.
10. device as claimed in claim 9 it is characterised in that
Described acquisition module, is additionally operable to obtain electric energy from described terminal unit, in order to power for earphone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610900021.8A CN106412764A (en) | 2016-10-14 | 2016-10-14 | Audio data processing method and device, and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610900021.8A CN106412764A (en) | 2016-10-14 | 2016-10-14 | Audio data processing method and device, and earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106412764A true CN106412764A (en) | 2017-02-15 |
Family
ID=58011640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610900021.8A Pending CN106412764A (en) | 2016-10-14 | 2016-10-14 | Audio data processing method and device, and earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106412764A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018170807A1 (en) * | 2017-03-22 | 2018-09-27 | 深圳市汇顶科技股份有限公司 | Audio system and headset |
| CN111918162A (en) * | 2020-07-16 | 2020-11-10 | 南昌大学 | Multi-unit frequency division bone conduction earphone |
| CN113259813A (en) * | 2021-04-30 | 2021-08-13 | 头领科技（昆山）有限公司 | Frequency-division optimization processing audio chip and earphone |
| CN114095828A (en) * | 2021-11-26 | 2022-02-25 | 安克创新科技股份有限公司 | Audio signal processing method and device, electronic equipment and storage medium |
-
2016
- 2016-10-14 CN CN201610900021.8A patent/CN106412764A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018170807A1 (en) * | 2017-03-22 | 2018-09-27 | 深圳市汇顶科技股份有限公司 | Audio system and headset |
| CN108966690A (en) * | 2017-03-22 | 2018-12-07 | 深圳市汇顶科技股份有限公司 | audio system and earphone |
| CN111918162A (en) * | 2020-07-16 | 2020-11-10 | 南昌大学 | Multi-unit frequency division bone conduction earphone |
| CN113259813A (en) * | 2021-04-30 | 2021-08-13 | 头领科技（昆山）有限公司 | Frequency-division optimization processing audio chip and earphone |
| CN114095828A (en) * | 2021-11-26 | 2022-02-25 | 安克创新科技股份有限公司 | Audio signal processing method and device, electronic equipment and storage medium |
| CN114095828B (en) * | 2021-11-26 | 2024-02-23 | 安克创新科技股份有限公司 | Audio signal processing method and device, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106412764A (en) | Audio data processing method and device, and earphone | |
| CN107592592A (en) | Display panel, mobile terminal and screen sounding control method | |
| CN108335697A (en) | Minutes method, apparatus, equipment and computer-readable medium | |
| CN105357604A (en) | Audio playing device with Bluetooth function and audio playing method | |
| CN104902393A (en) | Electroacoustic conversion device | |
| CN106849781A (en) | A kind of motor drive circuit, method and electronic equipment | |
| CN104869508A (en) | Electroacoustic conversion device | |
| CN107979671A (en) | Mobile terminal | |
| CN104185125A (en) | Loudspeaker system and driving method thereof | |
| CN104703104A (en) | Combined structure of piezoelectric receiver and ultrasonic generator | |
| CN108712706A (en) | Vocal technique, device, electronic device and storage medium | |
| CN204518072U (en) | Piezo receiver and supersonic generator composite construction | |
| CN103974168A (en) | Information processing method and electronic devices | |
| CN101902675B (en) | Thin speaker capable of strengthening bass/mega bass sound effect | |
| CN207460268U (en) | Mobile terminal | |
| US10779087B2 (en) | Vibration diaphragm | |
| CN107087239B (en) | The processing method and processing device of voice signal, microphone | |
| CN206515597U (en) | Smart projector and intelligent interactive system | |
| CN206117961U (en) | Earphone core and earphone | |
| CN109040378A (en) | Method, apparatus and mobile terminal based on sound output element acquisition external sound wave | |
| CN108847067A (en) | A kind of Aural-comprehension Training system | |
| CN101998199A (en) | Earphone | |
| CN204993841U (en) | Micro loudspeaker | |
| CN203039849U (en) | Array microphone | |
| CN202772874U (en) | Wireless audio reception device having DOCK interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |