CN106303820A - A kind of frequency division of the frequency method and system - Google Patents
A kind of frequency division of the frequency method and system Download PDFInfo
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- CN106303820A CN106303820A CN201510316994.2A CN201510316994A CN106303820A CN 106303820 A CN106303820 A CN 106303820A CN 201510316994 A CN201510316994 A CN 201510316994A CN 106303820 A CN106303820 A CN 106303820A
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Abstract
The invention discloses a kind of frequency division of the frequency method and system, by obtaining the content frequency curve of audio frequency, and according to the content frequency curve acquisition bass curve of output of audio frequency and high pitch curve of output, determine that the frequency residing for the point that bass curve of output is identical with coordinate on high pitch curve of output is part-frequency point, and the frequency curve signal determined by part-frequency point exports different playback equipments.It is part-frequency point that this programme is determined by the frequency residing for the point that bass curve of output is identical with coordinate on high pitch curve of output, achieve part-frequency point to change with the change of audio file, achieve the smooth playing after audio file frequency dividing, avoid and prior art uses a fixing part-frequency point all audio files are divided, and then cause the file after frequency dividing can not the problem of smooth playing.
Description
Technical field
The present invention relates to frequency division of the frequency field, particularly relate to a kind of frequency division of the frequency method and system.
Background technology
In modern communications equipment, using band spitting equipment widely, audio file is carried out point by band spitting equipment
Frequency is play.
Generally part-frequency point is determined by band spitting equipment, when dividing audio file, have selected
Band spitting equipment i.e. determines part-frequency point.I.e. during whole audio file is divided, part-frequency point
Being a fixing value, the most no matter how audio file changes, and its part-frequency point is constant, all chooses
Low sound equipment frequency curve and the cross point of high sound equipment frequency curve, this allow for whole piece to ring frequency curve is M type, i.e. exists
Occurring the phenomenon that distortion is more serious near part-frequency point, this allows for the broadcasting that the file after frequency dividing can not be smooth.
Summary of the invention
In view of this, the present invention provides a kind of frequency division of the frequency method and system, to solve prior art middle pitch
Frequency file is divided by a fixing part-frequency point so that the file after frequency dividing can not the asking of smooth playing
Topic, its concrete scheme is as follows:
A kind of frequency division of the frequency method, including:
Obtain the content frequency curve of audio frequency；
Content frequency curve acquisition bass curve of output according to described audio frequency and high pitch curve of output；
Determine frequency residing for the point that described bass curve of output is identical with coordinate on high pitch curve of output for minute
Frequency；
The isolated different frequency curve of content frequency curve of described audio frequency is determined by described part-frequency point
Signal.
Further, determine point that described bass curve of output is identical with coordinate on high pitch curve of output for minute
Frequency, particularly as follows:
Choose the point that described bass curve of output is identical with coordinate on high pitch curve of output；
Judge whether the point that described coordinate is identical is in smooth section；
If, it is determined that the frequency residing for point that described coordinate is identical is part-frequency point.
Further, also include:
When the point judging that described coordinate is identical is not in smooth section, choose the point identical with described coordinate
The near frequency being in smooth section is part-frequency point.
Further, according to content frequency curve acquisition bass curve of output and the high pitch output of described audio frequency
Curve, particularly as follows:
Determine woofer and high pitch loudspeaker；
The content frequency curve of described audio frequency is inputted to described woofer, obtains the output of described bass
Curve；
The content frequency curve of described audio frequency is inputted to described high pitch loudspeaker, obtains the output of described high pitch
Curve.
Further, also include: described part-frequency point is multiple.
A kind of frequency division of the frequency system, including: the first acquiring unit, it is connected with described first acquiring unit
Second acquisition unit, first be connected with described second acquisition unit determines unit, determines with described first
What unit was connected second determines unit, wherein:
Described first acquiring unit is for obtaining the content frequency curve of audio frequency；
Described second acquisition unit is for the content frequency curve acquisition bass curve of output according to described audio frequency
And high pitch curve of output；
Described first determines that unit is for determining described bass curve of output and coordinate phase on high pitch curve of output
The same frequency residing for point is part-frequency point；
Described second determines that unit is divided for the content frequency curve being determined described audio frequency by described part-frequency point
The different frequency curve signal separated out.
Further, including: described first determines that unit includes: chooses subelement, chooses son with described
The judgment sub-unit that unit is connected, first be connected with described judgment sub-unit determines subelement, wherein:
It is described that to choose subelement identical with coordinate on high pitch curve of output for choosing described bass curve of output
Point；
Described judgment sub-unit is for judging whether the point that described coordinate is identical is in smooth section, the most then
Send first and determine that sub-instructions determines subelement to described first；
Described first determines that subelement receives described first and determines sub-instructions, determines the point that described coordinate is identical
Residing frequency is part-frequency point.
Further, described first determines that unit also includes: second be connected with described judgment sub-unit is true
Stator unit, wherein:
Described second determines that subelement is for receiving when described judgment sub-unit judges the point that described coordinate is identical
When being not in smooth section, the second of transmission determines sub-instructions, and it is nearest to choose the point identical with described coordinate
The frequency being in smooth section be part-frequency point.
Further, described second acquisition unit includes: the 3rd determines subelement, determines with the described 3rd
The first acquisition subelement that subelement is connected, determines that with the described 3rd the second acquisition that subelement is connected is single
Unit, wherein:
Described 3rd determines that subelement is for determining woofer and high pitch loudspeaker；
Described first obtains subelement raises for the content frequency curve of described audio frequency is inputted extremely described bass
Sound device, obtains described bass curve of output；
Described second obtains subelement raises for the content frequency curve of described audio frequency is inputted extremely described high pitch
Sound device, obtains described high pitch curve of output.
Further, described first determines that unit is for determining multiple part-frequency point.
From technique scheme it can be seen that frequency division of the frequency method and system disclosed in the present application, by obtaining
Take the content frequency curve of audio frequency, and according to the content frequency curve acquisition bass curve of output of audio frequency and height
Sound curve of output, determines the frequency residing for the point that bass curve of output is identical with coordinate on high pitch curve of output
For part-frequency point, and the frequency curve signal determined by part-frequency point exports different playback equipments.This programme
Being determined by the frequency residing for the point that bass curve of output is identical with coordinate on high pitch curve of output is frequency dividing
Point, it is achieved that part-frequency point changes with the change of audio file, it is achieved that the smoothness after audio file frequency dividing
Play, it is to avoid prior art uses fixing part-frequency point all audio files are divided,
And then cause the file after frequency dividing can not the problem of smooth playing.
Accompanying drawing explanation
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 reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of a kind of frequency division of the frequency method disclosed in the embodiment of the present invention；
Fig. 2 is the flow chart of a kind of method determining part-frequency point disclosed in the embodiment of the present invention；
Fig. 3 is the structural representation of a kind of frequency division of the frequency system disclosed in the embodiment of the present invention；
Fig. 4 is the structural representation of a kind of second acquisition unit disclosed in the embodiment of the present invention；
Fig. 5 is a kind of first structural representation determining unit disclosed in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
The invention discloses a kind of frequency division of the frequency method, its flow chart is as it is shown in figure 1, include:
Step S11, the content frequency curve of acquisition audio frequency；
Step S12, according to the content frequency curve acquisition bass curve of output of audio frequency and high pitch curve of output；
Each section audio all has fixing frequency curve, i.e. content frequency curve, by content frequency curve
By low sound player and high pitch player plays, wherein, low sound player and high sound player self tool
Having the fixing curve frequently that rings, the input of same section audio, to the most different low sound players or high sound player, obtains
To curve of output be different, it is specifically expressed as follows:
When the curve of audio frequency of input player is placed on same coordinate system with the frequency curve that rings of this player
Under, the curve of the audio frequency of input player is added with the frequency curve that rings of this player, the curve obtained is i.e.
The curve of the audio frequency point for obtaining through this player plays.
Having one section of curve of output by the audio frequency obtained after bass player plays, i.e. this section audio is low
Sound curve of output；By the audio frequency obtained after high pitch player plays, there is section of curve of output equally, i.e.
The high pitch curve of output of this section audio.
Step S13, determine the frequency residing for the point that bass curve of output is identical with coordinate on high pitch curve of output
For part-frequency point；
The curve exported through bass player plays is put with the curve exported through high pitch player plays
Under same coordinate system, obtaining two curves under a coordinate system, these two curves have coincidence
Point, i.e. two curves have the point that coordinate is identical, and the point of this coincidence is set as part-frequency point so that frequency dividing
Point along with different music, different players and change, and, low sound player is play with high pitch
The point of curve co-insides of device output is as part-frequency point, it is thus also avoided that owing to changing audio frequency that player brings
Frequency is connected slack problem.
When the curve exported through low sound player and the curve exported through high pitch player plays are same
When having a coincidence point under individual coordinate system, part-frequency point is one, when there being multiple coincidence point, part-frequency point
Then have multiple, here, be not specifically limited.
Step S14, determined the isolated different frequency curve of content frequency curve of audio frequency by part-frequency point
Signal.
Frequency division of the frequency method disclosed in the present embodiment, by obtaining the content frequency curve of audio frequency, and according to
The content frequency curve acquisition bass curve of output of audio frequency and high pitch curve of output, determine bass curve of output
Frequency point residing for identical with coordinate on high pitch curve of output is part-frequency point, and the frequency determined by part-frequency point
Rate curve signal exports different playback equipments.It is defeated with high pitch that this programme is determined by bass curve of output
Going out the identical frequency residing for point of coordinate on curve is part-frequency point, it is achieved that part-frequency point is with the change of audio file
Change and change, it is achieved that the smooth playing after audio file frequency dividing, it is to avoid use in prior art
All audio files are divided by fixing part-frequency point, and then cause the file after frequency dividing smoothness not broadcast
The problem put.
Present embodiment discloses a kind of method determining part-frequency point, its flow chart is as in figure 2 it is shown, include:
Step S21, choose the point that bass curve of output is identical with coordinate on high pitch curve of output；
The curve exported through bass player plays is put with the curve exported through high pitch player plays
Under same coordinate system, obtaining two curves under a coordinate system, these two curves have coincidence
Point, i.e. two curves have the point that coordinate is identical.
Step S22, judge whether the point that coordinate is identical is in smooth section；
Judge whether the point that coordinate is identical is in smooth section, i.e. judge to be somebody's turn to do two songs under same coordinate system
Whether the point that line overlaps is not in these two curves becoming to downward from uptrend in any one
The point of gesture transition, or the point from downtrend to uptrend transition, i.e. judge whether this point is in
Peak in the curve of this section of uptrend or minimum point, or whether it is in this section of downtrend
Minimum point in curve or peak, the most then this point is not at smooth section, otherwise, then it is in smooth
Section.
If step S23, it is determined that the frequency residing for point that this coordinate is identical is part-frequency point.
When this point is in smooth section, this point is defined as part-frequency point, now, by two after frequency dividing
During the different player plays of bar curve negotiating, do not appear in part-frequency point and play slack problem.
Further, frequency division of the frequency method disclosed in the present embodiment, it is also possible to including:
Step S24, when the point judging that coordinate is identical is not in smooth section, choose the point identical with coordinate
The near frequency being in smooth section is as part-frequency point.
When the point of two curve co-insides is in peak or the minimum point of one section of curve up or down,
Can not be using this coincidence point as part-frequency point, now, residing for the point that this coincidence point of selected distance is closest
Frequency, as part-frequency point, plays slack problem with the audio frequency after avoiding frequency dividing.
Determine disclosed in the present embodiment in the method for part-frequency point, be determined by two identical points of curvilinear coordinate
Whether being in the smooth section of curve, if being not at smooth section, then choosing the point identical with this coordinate nearest
Frequency residing for Dian as part-frequency point, this just effectively prevent due to part-frequency point be in curve peak or
Minimum point and play slack problem after the frequency dividing that causes.
Present embodiment discloses a kind of frequency division of the frequency system, its structural representation is as it is shown on figure 3, include:
First acquiring unit 31, the second acquisition unit 32 being connected with the first acquiring unit 31, with second
What acquiring unit 32 was connected first determines unit 33, determines that with first unit 33 is connected second determines list
Unit 34.
Wherein, the first acquiring unit 31 is for obtaining the content frequency curve of audio frequency.
Second acquisition unit 32 is for the content frequency curve acquisition bass curve of output according to audio frequency and high pitch
Curve of output.
Concrete, the structural representation of second acquisition unit 32 as shown in Figure 4, including:
3rd determines subelement 321, determines the first acquisition subelement 322 that subelement 321 is connected with the 3rd,
The second acquisition subelement 323 that subelement 321 is connected is determined with the 3rd.
3rd determines that subelement 321 is for determining woofer and high pitch loudspeaker.
First obtains subelement 322 is used for inputting to woofer the content frequency curve of audio frequency, obtains
Take bass curve of output.
Second obtains subelement 323 is used for inputting to high pitch loudspeaker the content frequency curve of audio frequency, obtains
Take high pitch curve of output.
Each section audio all has fixing frequency curve, i.e. content frequency curve, by content frequency curve
By low sound player and high pitch player plays, wherein, low sound player and high sound player self tool
Having the fixing curve frequently that rings, the input of same section audio, to the most different low sound players or high sound player, obtains
To curve of output be different, it is specifically expressed as follows:
When the curve of audio frequency of input player is placed on same coordinate system with the frequency curve that rings of this player
Under, the curve of the audio frequency of input player is added with the frequency curve that rings of this player, the curve obtained is i.e.
The curve of the audio frequency point for obtaining through this player plays.
Having one section of curve of output by the audio frequency obtained after bass player plays, i.e. this section audio is low
Sound curve of output；By the audio frequency obtained after high pitch player plays, there is section of curve of output equally, i.e.
The high pitch curve of output of this section audio.
First determines that unit 33 is for determining the point that bass curve of output is identical with coordinate on high pitch curve of output
Residing frequency is part-frequency point.
The curve exported through bass player plays is put with the curve exported through high pitch player plays
Under same coordinate system, obtaining two curves under a coordinate system, these two curves have coincidence
Point, i.e. two curves have the point that coordinate is identical, and the point of this coincidence is set as part-frequency point so that frequency dividing
Point along with different music, different players and change, and, low sound player is play with high pitch
The point of curve co-insides of device output is as part-frequency point, it is thus also avoided that owing to changing audio frequency that player brings
Frequency is connected slack problem.
When the curve exported through low sound player and the curve exported through high pitch player plays are same
When having a coincidence point under individual coordinate system, first determines that unit determines that part-frequency point is one, multiple when having
During coincidence point, part-frequency point then has multiple, here, be not specifically limited.
Second determines that unit 34 for determining the isolated difference of content frequency curve of frequency by part-frequency point
Frequency curve signal.
Frequency division of the frequency system disclosed in the present embodiment, by obtaining the content frequency curve of audio frequency, and according to
The content frequency curve acquisition bass curve of output of audio frequency and high pitch curve of output, determine bass curve of output
Frequency point residing for identical with coordinate on high pitch curve of output is part-frequency point, and the frequency determined by part-frequency point
Rate curve signal exports different playback equipments.It is defeated with high pitch that this programme is determined by bass curve of output
Going out the identical frequency residing for point of coordinate on curve is part-frequency point, it is achieved that part-frequency point is with the change of audio file
Change and change, it is achieved that the smooth playing after audio file frequency dividing, it is to avoid use in prior art
All audio files are divided by fixing part-frequency point, and then cause the file after frequency dividing smoothness not broadcast
The problem put.
Present embodiment discloses a kind of first and determine unit, its structural representation is as it is shown in figure 5, include:
Choose subelement 51, and choose the judgment sub-unit 52 that subelement 51 is connected, with judgment sub-unit
52 connected first determine subelement 53.
Choose subelement 51 for choosing the point that bass curve of output is identical with coordinate on high pitch curve of output.
The curve exported through bass player plays is put with the curve exported through high pitch player plays
Under same coordinate system, obtaining two curves under a coordinate system, these two curves have coincidence
Point, i.e. two curves have the point that coordinate is identical.
Judgment sub-unit 52 for judging whether the point that coordinate is identical is in smooth section, the most then sends the
One determines that sub-instructions determines subelement 53 to first.
Judge whether the point that coordinate is identical is in smooth section, i.e. judge to be somebody's turn to do two songs under same coordinate system
Whether the point that line overlaps is not in these two curves becoming to downward from uptrend in any one
The point of gesture transition, or the point from downtrend to uptrend transition, i.e. judge whether this point is in
Peak in the curve of this section of uptrend or minimum point, or whether it is in this section of downtrend
Minimum point in curve or peak, the most then this point is not at smooth section, otherwise, then it is in smooth
Section.
First determines that subelement 53 receives first and determines sub-instructions, determines the frequency residing for point that coordinate is identical
For part-frequency point.
When this point is in smooth section, this point is defined as part-frequency point, now, by two after frequency dividing
During the different player plays of bar curve negotiating, do not appear in part-frequency point and play slack problem.
Further, first determine that unit can also include disclosed in the present embodiment: with judgment sub-unit 52
Second be connected determines subelement 54.
Second determines that subelement 54 is for receiving when judgment sub-unit 52 judges that the point that coordinate is identical is not in
Second sent during smooth section determines sub-instructions, and choose the point identical with coordinate nearest be in smooth section
Frequency be part-frequency point.
When the point of two curve co-insides is in peak or the minimum point of one section of curve up or down,
Can not be using this coincidence point as part-frequency point, now, residing for the point that this coincidence point of selected distance is closest
Frequency, as part-frequency point, plays slack problem with the audio frequency after avoiding frequency dividing.
Disclosed in the present embodiment, first determines in unit, whether is determined by two identical points of curvilinear coordinate
Being in the smooth section of curve, if being not at smooth section, then choosing the some institute that the point identical with this coordinate is nearest
The frequency at place is as part-frequency point, and this just effectively prevent owing to part-frequency point is in the peak of curve or minimum
Slack problem is play after the frequency dividing put and cause.
In this specification, each embodiment uses the mode gone forward one by one to describe, and each embodiment stresses
Being the difference with other embodiments, between each embodiment, identical similar portion sees mutually.
For device disclosed in embodiment, owing to it corresponds to the method disclosed in Example, so describing
Fairly simple, relevant part sees method part and illustrates.
Professional further appreciates that, respectively shows in conjunction with what the embodiments described herein described
The unit of example and algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in,
In order to clearly demonstrate the interchangeability of hardware and software, the most general according to function
Describe composition and the step of each example.These functions perform with hardware or software mode actually,
Depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can be to each specific
Should be used for use different methods to realize described function, but this realization is it is not considered that beyond this
The scope of invention.
The method described in conjunction with the embodiments described herein or the step of algorithm can directly use hardware,
The software module that processor performs, or the combination of the two implements.Software module can be placed in and deposit at random
Reservoir (RAM), internal memory, read only memory (ROM), electrically programmable ROM, electric erasable can
Well known in programming ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technical field
In any other form of storage medium.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses
The present invention.Multiple amendment to these embodiments will be aobvious and easy for those skilled in the art
See, generic principles defined herein can without departing from the spirit or scope of the present invention,
Realize in other embodiments.Therefore, the present invention is not intended to be limited to the embodiments shown herein,
And it is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (10)
1. a frequency division of the frequency method, it is characterised in that including:
Obtain the content frequency curve of audio frequency；
Content frequency curve acquisition bass curve of output according to described audio frequency and high pitch curve of output；
Determine frequency residing for the point that described bass curve of output is identical with coordinate on high pitch curve of output for minute
Frequency；
The isolated different frequency curve of content frequency curve of described audio frequency is determined by described part-frequency point
Signal.
Method the most according to claim 1, it is characterised in that determine described bass curve of output with
The point that on high pitch curve of output, coordinate is identical is part-frequency point, particularly as follows:
Choose the point that described bass curve of output is identical with coordinate on high pitch curve of output；
Judge whether the point that described coordinate is identical is in smooth section；
If, it is determined that the frequency residing for point that described coordinate is identical is part-frequency point.
Method the most according to claim 2, it is characterised in that also include:
When the point judging that described coordinate is identical is not in smooth section, choose the point identical with described coordinate
The near frequency being in smooth section is part-frequency point.
Method the most according to claim 1, it is characterised in that according to the content frequency of described audio frequency
Curve acquisition bass curve of output and high pitch curve of output, particularly as follows:
Determine woofer and high pitch loudspeaker；
The content frequency curve of described audio frequency is inputted to described woofer, obtains the output of described bass
Curve；
The content frequency curve of described audio frequency is inputted to described high pitch loudspeaker, obtains the output of described high pitch
Curve.
Method the most according to claim 1, it is characterised in that also include: described part-frequency point is for many
Individual.
6. a frequency division of the frequency system, it is characterised in that including: the first acquiring unit, with described first
The second acquisition unit that acquiring unit is connected, first be connected with described second acquisition unit determines unit,
Determine that with described first unit is connected second determines unit, wherein:
Described first acquiring unit is for obtaining the content frequency curve of audio frequency；
Described second acquisition unit is for the content frequency curve acquisition bass curve of output according to described audio frequency
And high pitch curve of output；
Described first determines that unit is for determining described bass curve of output and coordinate phase on high pitch curve of output
The same frequency residing for point is part-frequency point；
Described second determines that unit is divided for the content frequency curve being determined described audio frequency by described part-frequency point
The different frequency curve signal separated out.
System the most according to claim 6, it is characterised in that including: described first determines unit
Including: choose subelement, choose, with described, the judgment sub-unit that subelement is connected, judge that son is single with described
What unit was connected first determines subelement, wherein:
It is described that to choose subelement identical with coordinate on high pitch curve of output for choosing described bass curve of output
Point；
Described judgment sub-unit is for judging whether the point that described coordinate is identical is in smooth section, the most then
Send first and determine that sub-instructions determines subelement to described first；
Described first determines that subelement receives described first and determines sub-instructions, determines the point that described coordinate is identical
Residing frequency is part-frequency point.
System the most according to claim 7, it is characterised in that described first determines that unit also includes:
Second be connected with described judgment sub-unit determines subelement, wherein:
Described second determines that subelement is for receiving when described judgment sub-unit judges the point that described coordinate is identical
Second sent when being not in smooth section determines sub-instructions, and it is nearest to choose the point identical with described coordinate
The frequency being in smooth section is part-frequency point.
System the most according to claim 6, it is characterised in that described second acquisition unit includes:
3rd determines subelement, determines the first acquisition subelement that subelement is connected with the described 3rd, with described the
Three determine the second acquisition subelement that subelement is connected, wherein:
Described 3rd determines that subelement is for determining woofer and high pitch loudspeaker；
Described first obtains subelement raises for the content frequency curve of described audio frequency is inputted extremely described bass
Sound device, obtains described bass curve of output；
Described second obtains subelement raises for the content frequency curve of described audio frequency is inputted extremely described high pitch
Sound device, obtains described high pitch curve of output.
System the most according to claim 6, it is characterised in that described first determine unit for
Determine multiple part-frequency point.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948862A (en) * | 2017-12-26 | 2018-04-20 | 广州励丰文化科技股份有限公司 | The automatic compensation time-delay method and system of a kind of sound-box device |
| CN109672962A (en) * | 2018-12-27 | 2019-04-23 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN112511966A (en) * | 2020-11-06 | 2021-03-16 | 华南理工大学 | Self-adaptive active frequency division method for vehicle-mounted stereo playback |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6980913B2 (en) * | 2003-12-30 | 2005-12-27 | Intel Corporation | Methods of determining channel information based on energy measured at multiple frequencies |
| CN102271298A (en) * | 2010-06-03 | 2011-12-07 | 程兴安 | Bridge frequency division method of sound box |
| CN103250431A (en) * | 2010-12-08 | 2013-08-14 | 创新科技有限公司 | A method for optimizing reproduction of audio signals from an apparatus for audio reproduction |
| CN204206423U (en) * | 2014-11-04 | 2015-03-11 | 广州飞达音响专业器材有限公司 | A kind of type horn loudspeaker |
-
2015
- 2015-06-10 CN CN201510316994.2A patent/CN106303820B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6980913B2 (en) * | 2003-12-30 | 2005-12-27 | Intel Corporation | Methods of determining channel information based on energy measured at multiple frequencies |
| CN102271298A (en) * | 2010-06-03 | 2011-12-07 | 程兴安 | Bridge frequency division method of sound box |
| CN103250431A (en) * | 2010-12-08 | 2013-08-14 | 创新科技有限公司 | A method for optimizing reproduction of audio signals from an apparatus for audio reproduction |
| CN204206423U (en) * | 2014-11-04 | 2015-03-11 | 广州飞达音响专业器材有限公司 | A kind of type horn loudspeaker |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948862A (en) * | 2017-12-26 | 2018-04-20 | 广州励丰文化科技股份有限公司 | The automatic compensation time-delay method and system of a kind of sound-box device |
| CN109672962A (en) * | 2018-12-27 | 2019-04-23 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN112511966A (en) * | 2020-11-06 | 2021-03-16 | 华南理工大学 | Self-adaptive active frequency division method for vehicle-mounted stereo playback |
| 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 |
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| CN106303820B (en) | 2019-05-31 |
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