CN106328162A - Method of processing audio track - Google Patents
Method of processing audio track Download PDFInfo
- Publication number
- CN106328162A CN106328162A CN201510385470.9A CN201510385470A CN106328162A CN 106328162 A CN106328162 A CN 106328162A CN 201510385470 A CN201510385470 A CN 201510385470A CN 106328162 A CN106328162 A CN 106328162A
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- frequency
- frequency band
- boundary line
- bass
- track
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Abstract
The present invention provides a method of processing an audio track. Firstly, a low-frequency boundary line and a high-frequency boundary line of an audible frequency range are provided. Secondly, from the lowest frequency of an original audio track to the low-frequency boundary line, a bass voice band is set. Meanwhile, the bass voice band is increased at a predetermined frequency displacement value to be a modified bass voice band. Or, from the high-frequency boundary line to the highest frequency of the original audio track, a high-pitch voice band is set. Meanwhile, the high-pitch voice band is decreased at the predetermined frequency displacement value to be a modified high-pitch voice band. Thirdly, the original audio track and the modified bass voice band are combined, or the original audio track and the modified high-pitch voice band are combined. The low-frequency boundary line and the high-frequency boundary line are not associated with each other. The predetermined frequency displacement value is one or more octaves, or an octave of 2n times, wherein n is a positive or negative integer. Therefore, based on the method, sounds can be combined synchronously, so that the audibility of sounds is improved. Meanwhile, no interference is generated.
Description
Technical field
The present invention relates to a kind of method processing track, particularly relate to one and can synchronize to combine sound to promote
The audibility of sound and the method processing track of interference will not be produced.
Background technology
The audition of anyone or even animal all can be limited to specific bandwidth, beyond under this specific bandwidth
When limit or the upper limit, audibility will decay rapidly.It is audible that original sound is enlarged into improvement with frequency change
The traditional solution of degree, but in many cases, especially old man, due to the audition bandwidth of old man
Critical constraints, therefore frequency response comes even more important compared with amplitude.In traditional amplification mode, as
Really volume is excessive can make ear further be injured, so the improvement of audibility is limited on the contrary.
Therefore, how to invent a kind of method processing track, so that it can synchronize to combine sound to promote
The audibility of sound and interference will not be produced, will be the present invention be intended to the openest in place of.
Summary of the invention
Because the shortcoming of above-mentioned prior art, inventor's thoughts its do not reach perfection, then exhaust its intelligence and know
Heart research overcomes, and then develops a kind of method processing track, to synchronizing to combine sound to promote
The audibility of sound and the purpose of interference will not be produced.
For reaching above-mentioned purpose and other purposes, the present invention provides a kind of method processing track, under it comprises
Row step:
(1) a low frequency boundary line and a high frequency boundary line of an audible frequency range are provided；
(2) within an original sound track, from the low-limit frequency of this original sound track to this low frequency circle
Set a bass sound frequency band in the middle of line, and raise this bass sound frequency band with a preset frequency displacement
It it is an amended bass sound frequency band；Or, within an original sound track, from this high frequency boundary line to
A treble sounds frequency band is set in the middle of the highest frequency of this original sound track, and with a preset frequency position
It is an amended treble sounds frequency band that shifting amount reduces this treble sounds frequency band；And
(3) this original sound track and this bass sound frequency band revised are combined；Or, original in conjunction with this
Sound track and this treble sounds frequency band revised；Wherein, this low frequency boundary line is with this high frequency boundary line each other
Onrelevant, this preset frequency displacement is one or more octave, or, this preset frequency displacement is
2nTimes, wherein n is positive integer or negative integer.
In the above-mentioned method processing track, in this step (2), this bass sound frequency band is at this original sound
One or more voicebands set by the relatively downside of sound track, described bass sound band separation is one
Individual octave, or it is spaced apart 2nTimes, wherein n is+1 or-1, the respectively preset frequency of this bass sound frequency band
Displacement is one or more octave, or preset frequency displacement is 2nTimes, wherein n be positive integer or
Negative integer；This treble sounds frequency band is one or more set by the upper side of this original sound track
Voiceband, described treble sounds band separation is an octave, or is spaced apart 2nTimes, wherein n is
+ 1 or-1, respectively the preset frequency displacement of this treble sounds frequency band is one or more octave, or predetermined
Frequency shifting amount is 2nTimes, wherein n is positive integer or negative integer.
In the above-mentioned method processing track, in this step (3), this original sound track and this is amended
Bass sound frequency band first pass through respectively with frequency change one amplified curve amplify, afterwards in conjunction with；This is former
Beginning sound track and this amended treble sounds frequency band first pass through the amplification song with frequency change respectively
Line amplify, afterwards in conjunction with.
In the above-mentioned method processing track, according to amplitude and the frequency distribution of this original sound track,
Described amplified curve is dynamically and to adjust for real-time.
In the above-mentioned method processing track, if one of them amplitude of described bass sound frequency band is more than one
Preset threshold level, this original sound track adds one after being combined with this amended bass sound frequency band
Specific sound prompting or an additional signal lights prompting；If described treble sounds frequency band one of them amplitude surpass
Crossing a preset threshold level, this original sound track adds after being combined with this amended treble sounds frequency band again
Enter a specific sound prompting or an additional signal lights prompting.
Whereby, the method processing track of the present invention can synchronize to combine sound with promote sound audibility and
Interference will not be produced.
Accompanying drawing explanation
Fig. 1 is the schematic diagram one of preferred embodiment of the present invention.
Fig. 2 is the schematic diagram two of preferred embodiment of the present invention.
Fig. 3 is the schematic diagram of preferred embodiment amplified curve of the present invention.
Fig. 4 is the schematic diagram of preferred embodiment specific sound of the present invention prompting.
[primary clustering symbol description]
1 original sound track
11 low frequency boundary lines
12 high frequency boundary lines
13 audible frequency range
2 bass sound frequency bands
2 ' bass sound frequency bands
2 " bass sound frequency band
23 preset frequency displacements
23 ' preset frequency displacements
23 " preset frequency displacement
3 amended bass sound frequency bands
3 ' amended bass sound frequency bands
3 " amended bass sound frequency band
4 treble sounds frequency bands
4 ' treble sounds frequency bands
4 " treble sounds frequency band
45 preset frequency displacements
45 ' preset frequency displacements
45 " preset frequency displacement
5 amended treble sounds frequency bands
5 ' amended treble sounds frequency bands
5 " amended treble sounds frequency band
6 amplified curves
7 amplified curves
8 amplified curves
91 specific sound promptings
92 specific sound promptings
Detailed description of the invention
For being fully understood by the purpose of the present invention, feature and effect, existing by following specific embodiment, and
Coordinate accompanying drawing, the present invention be described in detail, illustrate as rear:
Refer to Fig. 1, as it can be seen, the present invention provides a kind of method processing track, it comprises following
Step:
(1) providing low frequency boundary line 11 and a high frequency boundary line 12 of an audible frequency range 13, this is audible
The data in frequency range 13 and low frequency boundary line 11 and high frequency boundary line 12 can be obtained by hearing test,
And the people accepting hearing test can be normal person or the person that listens to barrier；
(2) within an original sound track 1, low to this from the low-limit frequency of this original sound track 1
Frequently a bass sound frequency band 2 is set in the middle of boundary line 11, and should with preset frequency displacement 23 rising
Bass sound frequency band 2 is an amended bass sound frequency band 3, this amended bass sound frequency band 3
Highest frequency between this low frequency boundary line 11 and this high frequency boundary line 12, such as Fig. 1 is former with this
The low-limit frequency of beginning sound track 1 is set as this bass sound frequency band 2 between this low frequency boundary line 11, its
Can also the low-limit frequency of this original sound track 1 to being set as that this is low less than between this low frequency boundary line 11
Speech voiced band (such as the 2 of Fig. 2 ")；Additionally, it is possible within an original sound track 1, from this high frequency
Boundary line 12 to setting a treble sounds frequency band 4 in the middle of the highest frequency of this original sound track 1, and with
It is an amended treble sounds frequency band 5 that one preset frequency displacement 45 reduces this treble sounds frequency band 4,
The low-limit frequency of this amended treble sounds frequency band 5 is positioned at this low frequency boundary line 11 and this high frequency boundary line 12
Between, such as Fig. 1 is between the highest frequency with this high frequency boundary line 12 to this original sound track 1
Being set as this treble sounds frequency band 4, it can also be higher than this high frequency boundary line 12 to this original sound track 1
Highest frequency between be set as this treble sounds frequency band (such as the 4 of Fig. 2 ")；Furthermore, this step is
Set this bass sound frequency band 2 and set in this treble sounds frequency band 4 two and select a setting, but it also can be with
Time set and revise simultaneously；
(3) this original sound track 1 and this bass sound frequency band 3 (knot of such as Fig. 1 revised are combined
Shown in unification)；Or, (such as scheme in conjunction with this original sound track 1 and this treble sounds frequency band 5 revised
Shown in the combination two of 1)；Similarly, this step also can be in combination with this original sound track 1, this amendment
The bass sound frequency band 3 crossed and this treble sounds frequency band 5 (shown in the combination three of such as Fig. 1) revised；
Wherein, this low frequency boundary line 11 is not associated with one another with this high frequency boundary line 12, this preset frequency displacement 23,
45 is that this preset frequency displacement 23,45 in an octave or multiple octave, such as Fig. 1 is
One octave, but it is alternatively multiple octave, it addition, this preset frequency displacement 23,45 is also
Can be 2nTimes, wherein n is positive integer or negative integer, if the highest frequency of such as this bass sound frequency band 2
For 100Hz, then the highest frequency of this amended bass sound frequency band 3 can be 200Hz, 400Hz ...,
Wherein n is+1 ,+2 ...；If it addition, the low-limit frequency of this treble sounds frequency band 4 is 10000Hz, then
The low-limit frequency of this amended treble sounds frequency band 5 can be 5000Hz, 2500Hz ..., wherein n is
-1、-2…。
As it has been described above, the method processing track of the present invention can by original sound and amended sound with
Step mode combines, and it not only can promote the audibility of sound and will not produce interference.
Refer to Fig. 2, as it can be seen, in the above-mentioned method processing track, in this step (2), this is low
Speech voiced band 2 ', 2 " can be at a voiceband set by the relatively downside of this original sound track 1
It is spaced between (2 ' or 2 ") or multiple voiceband (2 ' and 2 "), and described bass sound frequency band (2 ' and 2 ")
It is an octave, or is spaced apart 2 between described bass sound frequency band (2 ' and 2 ")nTimes, wherein n is+1
Or-1, similarly, respectively this bass sound frequency band 2 ', 2 " preset frequency displacement 23 ', 23 " can be one
Individual octave 23 ' or multiple octave 23 " (two octave), or respectively this bass sound frequency band 2 ', 2 "
Preset frequency displacement 23 ', 23 " can be 2nTimes, wherein n is positive integer or negative integer；It addition,
This treble sounds frequency band 4 ', 4 " can a sound set by the upper side at this original sound track 1
Frequency band (4 ' or 4 ") or multiple voiceband (4 ' and 4 "), and described treble sounds frequency band (4 ' and 4 ") between
It is spaced apart an octave, or is spaced apart 2 between described treble sounds frequency band (4 ' and 4 ")nTimes, wherein n
For+1 or-1, similarly, each this treble sounds frequency band 4 ', 4 " preset frequency displacement 45 ', 45 "
Can be an octave 45 ' or multiple octave 45 " (two octave), or respectively this treble sounds frequency band 4 ',
4 " preset frequency displacement 45 ', 45 " can be 2nTimes, wherein n is positive integer or negative integer；Furthermore,
Similarly, this step is set this bass sound frequency band 2 ', 2 " and set this treble sounds frequency band 4 ',
4 " in, two select a setting, but it also can concurrently set and revise simultaneously, the most all combines.Whereby,
The method processing track of the present invention can depend on the more kinds of combination of actual required offer with lifting sound
The audibility of sound.
Refer to Fig. 3, as it can be seen, in the above-mentioned method processing track, in this step (3), this is former
Beginning sound track 1 and this amended bass sound frequency band 3 can first pass through respectively to be put with the one of frequency change
Big curve 6,7 amplifies, afterwards in conjunction with；It addition, this original sound track 1 and this amended height
Speech voiced band 5 also can first pass through respectively and amplify, with an amplified curve 6,8 of frequency change the most again
In conjunction with；Furthermore, similarly, this original sound track 1, this amended bass sound frequency band 3 and should
Amended treble sounds frequency band 5 also can first pass through the amplified curve 6,7,8 with frequency change respectively
Amplify, afterwards in conjunction with.Whereby, the method processing track of the present invention is except making original sound and amendment
After sound combine in a synchronous manner outside, it is possible to the sound after combining according to actual required suitable amplification is to carry
Rise the audibility of sound.
Refer again to Fig. 3, as it can be seen, in the above-mentioned method processing track, according to this original sound
The amplitude of track 1 and frequency distribution, described amplified curve 6,7,8 can be dynamically and can be to adjust in real time
Whole.Whereby, the method processing track of the present invention can select according to the combination that actual required offer is more kinds of
To promote the audibility of sound.
Refer to Fig. 4, as it can be seen, in the above-mentioned method processing track, if described bass sound frequency
With 2 ', 2 " one of them amplitude is more than a preset threshold level, and this original sound track 1 is with respectively this is repaiied
Bass sound frequency band 3 ', 3 after changing " combine after can add one specific sound prompting 91 or additional one letters
Signal lamp is pointed out；If it addition, described treble sounds frequency band 4 ', 4 " one of them amplitude presets more than one and faces
Boundary's level, this original sound track 1 and respectively this amended treble sounds frequency band 5 ', 5 " combine after also may be used
Add a specific sound prompting 92 or additional signal lights prompting；Furthermore, similarly, this original sound
Sound track 1, respectively this amended bass sound frequency band 3 ', 3 " with each this amended treble sounds frequency band
5 ', 5 " a specific sound prompting or an additional signal lights prompting can also be added after combining.Whereby, this
The bright method processing track can improve the resolution of original sound essence.
The present invention is the openest with preferred embodiment, but it should be understood by those skilled in the art that
It is that this embodiment is only used for describing the present invention, and is not construed as limiting the scope of the present invention.It should be noted that
, such as equivalent with this embodiment change and displacement, all should be set to be covered by scope of the invention.
Therefore, protection scope of the present invention is when as defined in claim.
Claims (5)
1. the method processing track, it is characterised in that comprise the steps of
(1) a low frequency boundary line and a high frequency boundary line of an audible frequency range are provided；
(2) within an original sound track, from the low-limit frequency of described original sound track to institute
State and in the middle of low frequency boundary line, set a bass sound frequency band, and raise with a preset frequency displacement described
Bass sound frequency band is an amended bass sound frequency band；Or, within an original sound track,
To the highest frequency of described original sound track, a treble sounds frequency is set from described high frequency boundary line
Band, and be an amended high speech with a preset frequency displacement described treble sounds frequency band of reduction
Voiced band；And
(3) described original sound track and the described bass sound frequency band revised are combined；Or, knot
Close described original sound track and the described treble sounds frequency band revised；
Wherein, described low frequency boundary line is not associated with one another with described high frequency boundary line, described preset frequency displacement
Amount is one or more octave, or, described preset frequency displacement is 2nTimes, wherein n is just
Integer or negative integer.
2. the method for claim 1, it is characterised in that in described step (2), described bass
Voiceband is at the one or more voicebands set by the relatively downside of described original sound track,
Described bass sound band separation is an octave, or is spaced apart 2nTimes, wherein n is+1 or-1,
The preset frequency displacement of each described bass sound frequency band is one or more octave, or preset frequency
Displacement is 2nTimes, wherein n is positive integer or negative integer；Described treble sounds frequency band is described
One or more voicebands set by the upper side of original sound track, described treble sounds frequency band
It is spaced apart an octave, or is spaced apart 2nTimes, wherein n is+1 or-1, each described treble sounds
The preset frequency displacement of frequency band is one or more octave, or preset frequency displacement is 2nTimes,
Wherein n is positive integer or negative integer.
3. the method for claim 1, it is characterised in that in described step (3), described original
Sound track and described amended bass sound frequency band first pass through the amplification with frequency change respectively
Curve magnification, afterwards in conjunction with；Described original sound track and described amended treble sounds frequency band
First pass through respectively with frequency change one amplified curve amplify, afterwards in conjunction with.
4. method as claimed in claim 3, it is characterised in that according to described original sound track
Amplitude and frequency distribution, described amplified curve is dynamically and to adjust for real-time.
5. method as claimed in claim 2, it is characterised in that if described bass sound frequency band is wherein
One of amplitude more than a preset threshold level, described original sound track and described amended bass
Voiceband adds a specific sound prompting or an additional signal lights prompting after combining；If described high pitch
One of them amplitude of voiceband is more than a preset threshold level, and described original sound track is with described
Amended treble sounds frequency band adds a specific sound prompting after combining or an additional signal lights carries
Show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510385470.9A CN106328162A (en) | 2015-06-30 | 2015-06-30 | Method of processing audio track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510385470.9A CN106328162A (en) | 2015-06-30 | 2015-06-30 | Method of processing audio track |
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| Publication Number | Publication Date |
|---|---|
| CN106328162A true CN106328162A (en) | 2017-01-11 |
Family
ID=57727299
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510385470.9A Withdrawn CN106328162A (en) | 2015-06-30 | 2015-06-30 | Method of processing audio track |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1836465A (en) * | 2003-08-11 | 2006-09-20 | 瓦斯特音频有限公司 | Sound enhancement for hearing-impaired listeners |
| CN101036293A (en) * | 2004-08-10 | 2007-09-12 | 安东尼·邦焦维 | System for and method of audio signal processing for presentation in a high-noise environment |
| CN101256776A (en) * | 2007-02-26 | 2008-09-03 | 财团法人工业技术研究院 | Method for processing voice signal |
| CN101496420A (en) * | 2005-06-08 | 2009-07-29 | 加利福尼亚大学董事会 | Methods, devices and systems using signal processing algorithms to improve speech intelligibility and listening comfort |
| CN103250209A (en) * | 2010-12-08 | 2013-08-14 | 唯听助听器公司 | Hearing aid and method of improved audio reproduction |
-
2015
- 2015-06-30 CN CN201510385470.9A patent/CN106328162A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1836465A (en) * | 2003-08-11 | 2006-09-20 | 瓦斯特音频有限公司 | Sound enhancement for hearing-impaired listeners |
| CN101036293A (en) * | 2004-08-10 | 2007-09-12 | 安东尼·邦焦维 | System for and method of audio signal processing for presentation in a high-noise environment |
| CN101496420A (en) * | 2005-06-08 | 2009-07-29 | 加利福尼亚大学董事会 | Methods, devices and systems using signal processing algorithms to improve speech intelligibility and listening comfort |
| CN101256776A (en) * | 2007-02-26 | 2008-09-03 | 财团法人工业技术研究院 | Method for processing voice signal |
| CN103250209A (en) * | 2010-12-08 | 2013-08-14 | 唯听助听器公司 | Hearing aid and method of improved audio reproduction |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170111 |
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