CN105357613A - Adjustment method and device for playing parameters of audio output devices - Google Patents
Adjustment method and device for playing parameters of audio output devices Download PDFInfo
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Abstract
The invention relates to an adjustment method and device for playing parameters of audio output devices. The method comprises the following steps: acquiring first frequency response curves of an audio output device when the audio output device receives an audio signal of a preset frequency; acquiring playing parameters, corresponding to the first frequency response curves, of the audio output device according to preset second frequency response curves and playing parameters of all audio output devices, wherein the second frequency response curves comprise the first frequency response curves, and frequency response curves obtained when all audio output devices play the audio signal with the same frequency according to the preset playing parameters are consistent; and taking the obtained playing parameters as the playing parameters of the audio output device. According to the invention, different playing parameters are configured for different audio output devices, as a result, the fact that the frequency response curves at the same frequency band are the same is guaranteed, and consistency of playing effects is realized.
Description
Technical field
The present invention relates to audio signal processing technique field, particularly relate to a kind of method of adjustment and device of audio output apparatus play parameter.
Background technology
The kind of current audio output equipment is very many, such as wired sound equipment and wireless acoustics etc.Audio output apparatus can make up the outer hypodynamic shortcoming of exoergic of mobile terminal self loud speaker well, reaches better audio visual effect.Because different audio output apparatus hardware parameters is general not identical, same mobile terminal is when playing same song with different audio output apparatus, and different audio output apparatus result of broadcast is inconsistent.
Summary of the invention
Based on this, be necessary for the problems referred to above, a kind of method of adjustment and device of audio output apparatus play parameter be provided, different play parameter can be configured for different audio output apparatus, ensure the consistent of result of broadcast.
In order to achieve the above object, the present invention adopts following scheme:
A method of adjustment for audio output apparatus play parameter, comprises step:
Obtain first frequency response curve of audio output apparatus when receiving the audio signal of predeterminated frequency;
According to the second frequency response curve and the play parameter of each audio output apparatus preset, obtain the play parameter of audio output apparatus corresponding to described first frequency response curve, described second frequency response curve comprises described first frequency response curve, and the frequency response curve obtained when each audio output apparatus plays the audio signal of same frequency according to the play parameter preset is consistent;
Using the play parameter of the play parameter of acquisition as described audio output apparatus.
An adjusting device for audio output apparatus play parameter, comprising:
First frequency response curve acquisition module, for obtaining first frequency response curve of audio output apparatus when receiving the audio signal of predeterminated frequency;
Play parameter determination module, for according to the second frequency response curve of each audio output apparatus preset and play parameter, obtain the play parameter of audio output apparatus corresponding to described first frequency response curve, described second frequency response curve comprises described first frequency response curve, and the frequency response curve obtained when each audio output apparatus plays the audio signal of same frequency according to the play parameter preset is consistent;
Play parameter adjusting module, for the play parameter that will obtain as the play parameter of described audio output apparatus.
The method of adjustment of audio output apparatus play parameter of the present invention and device, pre-set the corresponding relation of each audio output apparatus and frequency response curve, for identifying audio output apparatus, pre-set the play parameter of each audio output apparatus, this play parameter can ensure that the frequency response curve of each audio output apparatus is consistent.When needing to adjust the play parameter of an audio output apparatus, first measure the frequency response curve of this audio output apparatus under predeterminated frequency audio signal, go to identify which audio output apparatus to be adjusted be according to this frequency response curve, thus determine the play parameter of this audio output apparatus further.The present invention can configure different play parameter for different audio output apparatus, thus can ensure that the frequency response curve of same frequency range is identical, realizes the consistency of result of broadcast.So adopt the scheme of determination play parameter of the present invention, same mobile terminal is when playing same song with different audio output apparatus, and different audio output apparatus result of broadcast is consistent.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the method for adjustment embodiment of audio output apparatus play parameter of the present invention;
Fig. 2 is the structural representation of the adjusting device embodiment one of audio output apparatus play parameter of the present invention;
Fig. 3 is the structural representation of the adjusting device embodiment two of audio output apparatus play parameter of the present invention;
Fig. 4 is the structural representation of correspondence setting module embodiments of the present invention;
Fig. 5 is the structural representation of play parameter determination module embodiment of the present invention.
Embodiment
For further setting forth the technological means that the present invention takes and the effect obtained, below in conjunction with accompanying drawing and preferred embodiment, to technical scheme of the present invention, carry out clear and complete description.
As shown in Figure 1, a kind of method of adjustment of audio output apparatus play parameter, comprises step:
S110, first frequency response curve of acquisition audio output apparatus when receiving the audio signal of predeterminated frequency;
Second frequency response curve of each audio output apparatus that S120, basis are preset and play parameter, obtain the play parameter of audio output apparatus corresponding to described first frequency response curve, described second frequency response curve comprises described first frequency response curve, and the frequency response curve obtained when each audio output apparatus plays the audio signal of same frequency according to the play parameter preset is consistent;
S130, using the play parameter that obtains as the play parameter of described audio output apparatus.
The present invention pre-sets the corresponding relation of each audio output apparatus and frequency response curve, for identifying audio output apparatus, pre-sets the play parameter of each audio output apparatus, and this play parameter can ensure that the frequency response curve of each audio output apparatus is consistent.When needing to adjust the play parameter of an audio output apparatus, first measure the frequency response curve of this audio output apparatus under predeterminated frequency audio signal, go to identify which audio output apparatus to be adjusted be according to this frequency response curve, thus determine the play parameter of this audio output apparatus further.The present invention can configure different play parameter for different audio output apparatus, thus can ensure that the frequency response curve of same frequency range is identical, realizes the consistency of result of broadcast.
Described play parameter comprises broadcast sound volume, audio distribution, broadcasting style etc.The present invention needs the second frequency response curve and the play parameter that pre-set each audio output apparatus, so, in one embodiment, according to the second frequency response curve of each audio output apparatus preset and play parameter, before obtaining the play parameter of audio output apparatus corresponding to described first frequency response curve, can also step be comprised:
Obtain the reference frequency response curve of audio output apparatus when receiving the audio signal of reference frequency of reference;
Obtain the frequency response curve of each audio output apparatus when receiving the audio signal of described reference frequency;
The play parameter adjusting each audio output apparatus makes the frequency response curve of each audio output apparatus consistent with reference to frequency response curve with described;
When frequency response curve is consistent with described reference frequency response curve, obtain the play parameter of each audio output apparatus.
The audio output apparatus of reference can be any one audio output apparatus, and reference frequency can be optional frequency, in order to ensure the accuracy of play parameter, can arrange multiple reference frequency and testing.Due to the existence of error, the frequency response curve of each audio output apparatus is substantially consistent with reference frequency curve.
When obtaining the second frequency response curve of each audio output apparatus preset, can export the audio signal of predeterminated frequency to audio output apparatus by mobile terminal, such as mobile phone sends the audio signal of 1khz (KHz) to wired sound equipment by earpiece holes path.The audio signal that mobile terminal exports fixed frequency can be realized by mode existing in prior art.Audio output apparatus is play when receiving the audio signal of predeterminated frequency, obtains frequency response curve, the corresponding relation of record audio output equipment and this frequency response curve.In order to ensure the accuracy of audio output apparatus identification, described predeterminated frequency can be multiple, and such as, predeterminated frequency is 1khz and 10khz.
When needing the play parameter determining some audio output apparatus, first measure first frequency response curve of this audio output apparatus under predeterminated frequency audio signal.In order to determine the identity of this audio output apparatus, the second frequency response curve needs to comprise the first frequency response curve.Such as, when obtaining the second frequency response curve of each audio output apparatus, the frequency of measurement is respectively 1khz and 10khz, then, when measurement the first frequency response curve, predeterminated frequency needs for any one in 1khz, 10khz, 1khz and 10khz.Can by the first frequency response curve of the microphone surveying record of mobile terminal now audio output apparatus.
In one embodiment, the step obtaining the play parameter of audio output apparatus corresponding to described first frequency response curve can comprise:
In the second frequency response curve of each audio output apparatus, obtain and meet the second pre-conditioned frequency response curve with the error of described first frequency response curve;
Using audio output apparatus corresponding to the second frequency response curve that obtain as audio output apparatus corresponding to described first frequency response curve.
According to the play parameter of each audio output apparatus preset, obtain the play parameter that described first frequency response curve is corresponding.
First frequency response curve can have one or more.When there being first frequency response curve, second frequency response curve of this first frequency response curve and each audio output apparatus is compared, as long as basically identical, both errors, in preset range, just can determine that audio output apparatus that this second frequency response curve is corresponding is the audio output apparatus of the first frequency response curve.When the first frequency response curve has many, multiple first frequency response curve can be compared to the second corresponding frequency response curve of an audio output apparatus respectively, if the error of the second frequency response curve that each first frequency response curve is corresponding with audio output apparatus is all in preset range, or the number of error in preset range of the second frequency response curve of each first frequency response curve and an audio output apparatus is maximum, or the global error of the second frequency response curve of each first frequency response curve and an audio output apparatus is minimum etc., namely can using audio output apparatus corresponding for this second frequency response curve as audio output apparatus corresponding to the first frequency response curve.
After identifying audio output apparatus according to the first frequency response curve, according to the play parameter of each audio output apparatus preset, the play parameter of the audio output apparatus identified can be determined.The play parameter that each audio output apparatus obtains according to the method is play, and can ensure the consistency of result of broadcast.
Second frequency response curve and the play parameter of each audio output apparatus preset can be stored in local mobile terminal with the form of mapping table, and upload server can be selected to share to other users.So in one embodiment, the present invention can also comprise step:
If the audio output apparatus that described first frequency response curve is corresponding cannot be obtained, from server, obtain shared mapping table, in described mapping table, record the second frequency response curve and the play parameter of default each audio output apparatus;
Audio output apparatus corresponding to described first frequency response curve is obtained according to described mapping table.
In order to ensure the identification of audio output apparatus, the numerical value of predeterminated frequency between each user, can be arranged.If still the play parameter that audio output apparatus is corresponding can not be found in the mapping table shared, prompting user does not find, user can according to the method choice play parameter of the play parameter of each audio output apparatus of above-mentioned acquisition, then the frequency response curve of this audio output apparatus and play parameter record is updated in local mapping table.
Based on same inventive concept, the present invention also provides a kind of adjusting device of audio output apparatus play parameter, is described in detail below in conjunction with the embodiment of accompanying drawing to apparatus of the present invention.
As shown in Figure 2, a kind of adjusting device of audio output apparatus play parameter, comprising:
First frequency response curve acquisition module 110, for obtaining first frequency response curve of audio output apparatus when receiving the audio signal of predeterminated frequency;
Play parameter determination module 120, for according to the second frequency response curve of each audio output apparatus preset and play parameter, obtain the play parameter of audio output apparatus corresponding to described first frequency response curve, described second frequency response curve comprises described first frequency response curve, and the frequency response curve obtained when each audio output apparatus plays the audio signal of same frequency according to the play parameter preset is consistent;
Play parameter adjusting module 130, for the play parameter that will obtain as the play parameter of described audio output apparatus.
The present invention pre-sets the corresponding relation of each audio output apparatus and frequency response curve, for identifying audio output apparatus, pre-sets the play parameter of each audio output apparatus, and this play parameter can ensure that the frequency response curve of each audio output apparatus is consistent.When needing to adjust the play parameter of an audio output apparatus, first measure the frequency response curve of this audio output apparatus under predeterminated frequency audio signal, go to identify which audio output apparatus to be adjusted be according to this frequency response curve, thus determine the play parameter of this audio output apparatus further.The present invention can configure different play parameter for different audio output apparatus, thus can ensure that the frequency response curve of same frequency range is identical, realizes the consistency of result of broadcast.
Described play parameter comprises broadcast sound volume, audio distribution, broadcasting style etc.The present invention needs the second frequency response curve and the play parameter that pre-set each audio output apparatus, so in one embodiment, as shown in Figure 3, apparatus of the present invention can also comprise the correspondence setting module 100 be connected with described play parameter determination module 120.As shown in Figure 4, described correspondence setting module 100 can comprise:
With reference to frequency response curve acquiring unit 1001, for obtaining the reference frequency response curve of audio output apparatus when receiving the audio signal of reference frequency of reference;
Frequency response curve acquiring unit 1002, for obtaining the frequency response curve of each audio output apparatus when receiving the audio signal of described reference frequency;
Frequency response curve adjustment unit 1003, the play parameter for adjusting each audio output apparatus makes the frequency response curve of each audio output apparatus consistent with reference to frequency response curve with described;
Corresponding relation determining unit 1004, for when frequency response curve is consistent with described reference frequency response curve, obtains the play parameter of each audio output apparatus.
The audio output apparatus of reference can be any one audio output apparatus, and reference frequency can be optional frequency, in order to ensure the accuracy of play parameter, can arrange multiple reference frequency and testing.Due to the existence of error, the frequency response curve of each audio output apparatus is substantially consistent with reference frequency curve.
When obtaining the second frequency response curve of each audio output apparatus preset, the audio signal of predeterminated frequency can be exported to audio output apparatus by mobile terminal.The audio signal that mobile terminal exports fixed frequency can be realized by mode existing in prior art.Audio output apparatus is play when receiving the audio signal of predeterminated frequency, obtains frequency response curve, the corresponding relation of record audio output equipment and this frequency response curve.In order to ensure the accuracy of audio output apparatus identification, described predeterminated frequency can be multiple.
When needing the play parameter determining some audio output apparatus, the first frequency response curve acquisition module 110 first obtains first frequency response curve of this audio output apparatus under predeterminated frequency audio signal.In order to determine the identity of this audio output apparatus, the second frequency response curve needs to comprise the first frequency response curve.First frequency response curve acquisition module 110 can by the first frequency response curve of the microphone surveying record of mobile terminal now audio output apparatus.
In one embodiment, as shown in Figure 5, described play parameter determination module 120 can comprise:
Second frequency response curve acquiring unit 1201, in the second frequency response curve of each audio output apparatus, obtains and meets the second pre-conditioned frequency response curve with the error of described first frequency response curve;
Audio output apparatus determining unit 1202, for the audio output apparatus corresponding to the second frequency response curve that will obtain as audio output apparatus corresponding to described first frequency response curve.
Play parameter determining unit 1203, for the play parameter according to each audio output apparatus preset, obtains the play parameter that described first frequency response curve is corresponding.
First frequency response curve can have one or more.When there being first frequency response curve, second frequency response curve of this first frequency response curve and each audio output apparatus is compared, as long as basically identical, both errors, in preset range, just can determine that audio output apparatus that this second frequency response curve is corresponding is the audio output apparatus of the first frequency response curve.When the first frequency response curve has many, multiple first frequency response curve can be compared to the second corresponding frequency response curve of an audio output apparatus respectively, if the error of the second frequency response curve that each first frequency response curve is corresponding with audio output apparatus is all in preset range, or the number of error in preset range of the second frequency response curve of each first frequency response curve and an audio output apparatus is maximum, or the global error of the second frequency response curve of each first frequency response curve and an audio output apparatus is minimum etc., namely can using audio output apparatus corresponding for this second frequency response curve as audio output apparatus corresponding to the first frequency response curve.
After described play parameter determination module 120 identifies audio output apparatus according to the first frequency response curve, according to the play parameter of each audio output apparatus preset, the play parameter of the audio output apparatus identified can be determined.The play parameter that each audio output apparatus obtains according to which is play, and can ensure the consistency of result of broadcast.
Second frequency response curve and the play parameter of each audio output apparatus preset can be stored in local mobile terminal with the form of mapping table, and upload server can be selected to share to other users.So in one embodiment, apparatus of the present invention can also comprise:
Mapping table acquisition module 140, for when audio output apparatus corresponding to described first frequency response curve cannot be obtained, from server, obtain shared mapping table, in described mapping table, record the second frequency response curve and the play parameter of default each audio output apparatus;
Audio output apparatus chooses module 150, for obtaining audio output apparatus corresponding to described first frequency response curve according to described mapping table.
In order to ensure the identification of audio output apparatus, the numerical value of predeterminated frequency between each user, can be arranged.If still the play parameter that audio output apparatus is corresponding can not be found in the mapping table shared, prompting user does not find, user can according to the method choice play parameter of the play parameter of each audio output apparatus of above-mentioned acquisition, then the frequency response curve of this audio output apparatus and play parameter record is updated in local mapping table.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a method of adjustment for audio output apparatus play parameter, is characterized in that, comprises step:
Obtain first frequency response curve of audio output apparatus when receiving the audio signal of predeterminated frequency;
According to the second frequency response curve and the play parameter of each audio output apparatus preset, obtain the play parameter of audio output apparatus corresponding to described first frequency response curve, described second frequency response curve comprises described first frequency response curve, and the frequency response curve obtained when each audio output apparatus plays the audio signal of same frequency according to the play parameter preset is consistent;
Using the play parameter of the play parameter of acquisition as described audio output apparatus.
2. the method for adjustment of audio output apparatus play parameter according to claim 1, it is characterized in that, according to the second frequency response curve of each audio output apparatus preset and play parameter, before obtaining the play parameter of audio output apparatus corresponding to described first frequency response curve, also comprise step:
Obtain the reference frequency response curve of audio output apparatus when receiving the audio signal of reference frequency of reference;
Obtain the frequency response curve of each audio output apparatus when receiving the audio signal of described reference frequency;
The play parameter adjusting each audio output apparatus makes the frequency response curve of each audio output apparatus consistent with reference to frequency response curve with described;
When frequency response curve is consistent with described reference frequency response curve, obtain the play parameter of each audio output apparatus.
3. the method for adjustment of audio output apparatus play parameter according to claim 1, is characterized in that, the step obtaining the play parameter of audio output apparatus corresponding to described first frequency response curve comprises:
In the second frequency response curve of each audio output apparatus, obtain and meet the second pre-conditioned frequency response curve with the error of described first frequency response curve;
Using audio output apparatus corresponding to the second frequency response curve that obtain as audio output apparatus corresponding to described first frequency response curve.
According to the play parameter of each audio output apparatus preset, obtain the play parameter that described first frequency response curve is corresponding.
4. the method for adjustment of audio output apparatus play parameter according to claim 1, is characterized in that, also comprise step:
If the audio output apparatus that described first frequency response curve is corresponding cannot be obtained, from server, obtain shared mapping table, in described mapping table, record the second frequency response curve and the play parameter of default each audio output apparatus;
Audio output apparatus corresponding to described first frequency response curve is obtained according to described mapping table.
5. the method for adjustment of the audio output apparatus play parameter according to Claims 1-4 any one, is characterized in that, described play parameter comprises broadcast sound volume, audio distribution, broadcasting style.
6. an adjusting device for audio output apparatus play parameter, is characterized in that, comprising:
First frequency response curve acquisition module, for obtaining first frequency response curve of audio output apparatus when receiving the audio signal of predeterminated frequency;
Play parameter determination module, for according to the second frequency response curve of each audio output apparatus preset and play parameter, obtain the play parameter of audio output apparatus corresponding to described first frequency response curve, described second frequency response curve comprises described first frequency response curve, and the frequency response curve obtained when each audio output apparatus plays the audio signal of same frequency according to the play parameter preset is consistent;
Play parameter adjusting module, for the play parameter that will obtain as the play parameter of described audio output apparatus.
7. the adjusting device of audio output apparatus play parameter according to claim 6, is characterized in that, also comprise the correspondence setting module be connected with described play parameter determination module, described correspondence setting module comprises:
With reference to frequency response curve acquiring unit, for obtaining the reference frequency response curve of audio output apparatus when receiving the audio signal of reference frequency of reference;
Frequency response curve acquiring unit, for obtaining the frequency response curve of each audio output apparatus when receiving the audio signal of described reference frequency;
Frequency response curve adjustment unit, the play parameter for adjusting each audio output apparatus makes the frequency response curve of each audio output apparatus consistent with reference to frequency response curve with described;
Corresponding relation determining unit, for when frequency response curve is consistent with described reference frequency response curve, obtains the play parameter of each audio output apparatus.
8. the adjusting device of audio output apparatus play parameter according to claim 6, is characterized in that, described play parameter determination module comprises:
Second frequency response curve acquiring unit, in the second frequency response curve of each audio output apparatus, obtains and meets the second pre-conditioned frequency response curve with the error of described first frequency response curve;
Audio output apparatus determining unit, for the audio output apparatus corresponding to the second frequency response curve that will obtain as audio output apparatus corresponding to described first frequency response curve.
Play parameter determining unit, for the play parameter according to each audio output apparatus preset, obtains the play parameter that described first frequency response curve is corresponding.
9. the adjusting device of audio output apparatus play parameter according to claim 6, is characterized in that, also comprise:
Mapping table acquisition module, for when audio output apparatus corresponding to described first frequency response curve cannot be obtained, from server, obtain shared mapping table, in described mapping table, record the second frequency response curve and the play parameter of default each audio output apparatus;
Audio output apparatus chooses module, for obtaining audio output apparatus corresponding to described first frequency response curve according to described mapping table.
10. the adjusting device of the audio output apparatus play parameter according to claim 6 to 9 any one, is characterized in that, described play parameter comprises broadcast sound volume, audio distribution, broadcasting style.
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| CN109547848A (en) * | 2018-11-23 | 2019-03-29 | 北京达佳互联信息技术有限公司 | Loudness method of adjustment, device, electronic equipment and storage medium |
| CN109547848B (en) * | 2018-11-23 | 2021-02-12 | 北京达佳互联信息技术有限公司 | Loudness adjustment method and device, electronic equipment and storage medium |
| US11284151B2 (en) | 2018-11-23 | 2022-03-22 | Beijing Dajia Internet Information Technology Co., Ltd. | Loudness adjustment method and apparatus, and electronic device and storage medium |
| CN112133328A (en) * | 2020-08-03 | 2020-12-25 | 北京百度网讯科技有限公司 | Evaluation information generation method and device for audio data |
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| CN105357613B (en) | 2018-06-29 |
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