CN102421056A - Method and device for detecting speaker - Google Patents
Method and device for detecting speaker Download PDFInfo
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- CN102421056A CN102421056A CN201110440748XA CN201110440748A CN102421056A CN 102421056 A CN102421056 A CN 102421056A CN 201110440748X A CN201110440748X A CN 201110440748XA CN 201110440748 A CN201110440748 A CN 201110440748A CN 102421056 A CN102421056 A CN 102421056A
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Abstract
The embodiment of the invention relates to a method and a device for detecting a speaker. The method comprises the following steps of: when a mobile phone terminal having the speaker plays a preset sound source file, acquiring an actual current value of the speaker to be detected and an actual sound-recording signal amplitude of the speaker to be detected; and if the actual current value of the speaker to be detected does not exceed a speaker reference current value which corresponds to the preset sound source file, and the actual sound-recording signal amplitude of the speaker to be detected does not exceed a speaker reference sound-recording signal amplitude which corresponds to the preset sound source file, determining that the speaker to be detected is qualified, otherwise, determining that the speaker to be detected is unqualified.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of detection method and device of loud speaker.
Background technology
Fast development along with terminal equipment; The user has higher requirement to the pronunciation equipment in the terminal equipment; On terminal equipment, adopt the design of loud speaker (speaker) to be used by each large equipment manufacturer day by day; But various production testing problems will inevitably appear in speaker design, like problems such as the monomer mass of loud speaker, weld defects.
At present, the loud speaker that detects communication terminal equipment during production still adopts the mode of playing fixed-audio mostly, and dependence product line worker's the sense of hearing is disposable judges whether the loud speaker sounding is normal.
The shortcoming that prior art detects the loud speaker existence is that production line is produced loud speaker anxiety fast, and production environment is more noisy, and the product line worker does not accept the professional training of regular acoustics simultaneously, and the workpeople is not very strong to sound field and the sound intensity susceptibility of experiencing sound; To the loud speaker production testing time, a plurality of loud speakers are sounding simultaneously, if having sounding defective or loud speaker to have not obvious defective simultaneously one of in the loud speaker, whether the product line worker is difficult to accurately judge terminal device of loudspeaker all normal; Secondly have sense organ difference between the product line worker, because product line worker self exists different mental, differences of Physiological also can cause the sense organ difference of self, these sense organ differences directly influence the accuracy in detection of producing the line loud speaker.
Therefore, in the prior art, only rely on artificial hearing to realize detecting loud speaker, the accuracy in detection of prior art is reduced.
Summary of the invention
The embodiment of the invention provides a kind of detection method and device of loud speaker, because the difference of noisy and the artificial hearing of production environment detection, directly influences the problem of loud speaker accuracy in detection to solve in the prior art.
In first aspect; The embodiment of the invention provides a kind of detection method of loud speaker; The detection method of said loud speaker comprises: when the mobile phone terminal with loud speaker is play preset audio files, obtain the actual recorded audio signals amplitude of loud speaker actual current value to be detected and loud speaker to be detected;
If said loud speaker actual current value to be detected is no more than the said preset corresponding loud speaker reference current value of audio files; And the actual recorded audio signals amplitude of said loud speaker to be detected is no more than the said preset corresponding loud speaker reference recording signal amplitude of audio files, judges that then said loud speaker to be detected is qualified loud speaker; Otherwise, judge that said loud speaker to be detected is defective loud speaker.
In second aspect; The embodiment of the invention provides a kind of checkout gear of loud speaker; The checkout gear of said loud speaker comprises: first receiving element; Be used for when the mobile phone terminal with loud speaker is play preset audio files, obtaining the actual recorded audio signals amplitude of loud speaker actual current value to be detected and loud speaker to be detected;
Processing unit; Be used to judge if said loud speaker actual current value to be detected is no more than the said preset corresponding loud speaker reference current value of audio files; And the actual recorded audio signals amplitude of said loud speaker to be detected is no more than the said preset corresponding loud speaker reference recording signal amplitude of audio files, judges that then said loud speaker to be detected is qualified loud speaker; Otherwise, judge that said loud speaker to be detected is defective loud speaker.
In the embodiment of the invention; Calculate between the deviation area of empirical data and permission of loud speaker interval according to loud speaker; Again the empirical data of the loud speaker of speaker data to be detected and calculating is judged; Draw terminal to be detected and whether have defective, thus more accurate, considerable loudspeaker terminals is detected.
Description of drawings
Fig. 1 is the detection method flow chart of the disclosed loud speaker of the embodiment of the invention;
Fig. 2 is the disclosed method flow diagram that obtains the loud speaker empirical data of the embodiment of the invention;
Fig. 3 is the method flow diagram of the disclosed detection of embodiment of the invention loud speaker to be detected;
Fig. 4 is the testing process figure of the disclosed loud speaker of the embodiment of the invention;
Fig. 5 is the checkout gear figure of the disclosed loud speaker of the embodiment of the invention.
Embodiment
For the technical scheme that makes the embodiment of the invention and advantage express clearer, through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.Fig. 1 is the detection method flow chart of the disclosed loud speaker of the embodiment of the invention.
When inside loudspeakers is play preset audio files, obtain its standard current value; When inside loudspeakers is play preset audio files, obtain loud speaker standard recording signal amplitude through record type; Change a plurality of loud speaker samples, obtain a plurality of loud speaker standard current value and standard recording signal amplitude, and calculate the reference data of loud speaker reference current value and standard recording signal; Obtain corresponding data according to above two types of reference datas obtaining with loud speaker to be detected and compare, draw loudspeaker device to be detected and whether have defective, finally reach the testing goal of loud speaker.The detection method that realizes loud speaker needs following steps, and is as shown in Figure 1, specifically comprises:
Particularly; Producing the line small lot or producing in batches in the loud speaker process; The professional chooses the intact loud speaker samples in aspect such as loudspeaker device and welding, and number of samples is determined by circumstances according to practical condition, but the sample size of at every turn choosing loud speaker should be no less than 10; In embodiments of the present invention, the sample of loudspeaker device is specially mobile phone.The professional will have the mobile phone of loud speaker and put into noise insulation equipment, use USB port to be connected between the professional's control mobile phone that uses a computer, computer and mobile phone.
The professional utilizes tool software control to have the mobile phone terminal of loud speaker in computer, and has the preset audio files of mobile phone terminal inside broadcast of loud speaker; The mobile phone terminal that utilizes tool software to have loud speaker is set to forbid the pattern of charging, and closes other application functions of mobile phone terminal with loud speaker; Utilize tool software to obtain the loud speaker standard current value, and the standard current value of obtaining is recorded in the tool software in the computer.
When the professional utilizes the audio files that loudspeaker plays is preset in the tool software control mobile phone in computer, obtain loud speaker standard recording signal amplitude through record type, and the standard recording signal amplitude is recorded in the tool software in the computer.
The professional changes a plurality of mobile phone terminals with loud speaker, in computer, utilizes tool software to obtain a plurality of loud speaker standard current value and a plurality of loud speaker standard recording signal amplitude; In tool software, with due regard to the monomer discreteness characteristics of loud speaker calculate loud speaker reference current value and loud speaker reference recording signal amplitude.
The professional will calculate the loud speaker reference current value and loud speaker reference recording signal amplitude is kept at computer-internal, and calculates between two types of reference datas of loud speaker and two types of deviation areas that reference data allowed through tool software;
Screen a plurality of loud speaker standard current value; Maximum and minimum value in a plurality of loud speaker standard current value are given up; A plurality of screenings back loud speaker standard current value is averaged; As the loud speaker reference current value, combining the concrete quantity of a plurality of loud speakers to confirm between the reference current value deviation area on the basis of loud speaker reference current value the mean value of standard current value;
Screen a plurality of loud speaker standard recording signal amplitudes; Maximum and minimum value in a plurality of loud speaker standard recording signal amplitudes are given up; A plurality of screenings back loud speaker standard recording signal amplitude is averaged; As loud speaker reference recording signal amplitude, combining the concrete quantity of a plurality of loud speakers to confirm between reference recording signal amplitude deviation area on the basis of loud speaker reference recording signal amplitude the mean value of standard recording signal amplitude.
The professional will have the mobile phone terminal of loud speaker to be detected and put into sound insulation, use USB port to be connected between the professional's control mobile phone that uses a computer, computer and mobile phone.
The professional utilizes tool software control to have the terminal to be detected of loud speaker in computer, and in having the mobile phone terminal to be detected of loud speaker, plays preset audio files; The mobile phone terminal to be detected that utilizes tool software to have loud speaker is set to forbid the pattern of charging, and closes other application of the mobile phone terminal to be detected with loud speaker; Utilize tool software to obtain and have the mobile phone terminal actual current value to be detected of loud speaker, and actual current value is recorded in the tool software in the computer.
During the mobile phone terminal to be detected that the professional utilizes tool software control to have loud speaker in computer is play preset audio files; Obtain the actual recorded audio signals amplitude of the mobile phone terminal to be detected with loud speaker through record type, and actual recorded audio signals amplitude is recorded in the tool software in the computer.
Whether step 120, loud speaker actual current value more to be detected and actual recorded audio signals amplitude surpass loud speaker reference current value and loud speaker reference recording signal amplitude.
Particularly, with loud speaker actual current value to be detected and actual recorded audio signals amplitude and loud speaker standard basis data relatively, and combine aforementioned departing from interval judgement loud speaker to be detected and whether having defective of calculating.
When if loud speaker actual current value to be detected and the actual recorded audio signals amplitude of loud speaker to be detected are no more than loud speaker reference current value and loud speaker reference recording signal amplitude; And, judge that then loud speaker to be detected is qualified loud speaker less than the interval range that departs from that reference data allowed above two types;
When if loud speaker actual current value to be detected and the actual recorded audio signals amplitude of loud speaker to be detected surpass loud speaker reference current value and loud speaker reference recording signal amplitude; And the reference data permission above two types departs from interval range, judges that then loud speaker to be detected is defective loud speaker.
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below.
Fig. 2 is the disclosed method flow diagram that obtains the loud speaker reference data of the embodiment of the invention; As shown in Figure 2, at the inner audio files of presetting of playing of the mobile phone terminal with loud speaker, obtain the loud speaker standard current value; When the mobile phone terminal with loud speaker is play preset audio files, obtain loud speaker recorded audio signals amplitude through record type; Calculate the reference data of reference current value and recorded audio signals amplitude according to the sample value of loud speaker, and between two types of deviation areas that reference data allowed, and the testing conditions of output loud speaker.Obtaining the mobile phone terminal reference data with loud speaker needs following steps, specifically comprises:
Particularly; Producing the line small lot or producing in batches in the loud speaker process; The professional chooses the intact loud speaker samples in aspect such as loudspeaker device and welding, and number of samples is determined by circumstances according to practical condition, but the sample size of at every turn choosing loud speaker should be no less than 10; In embodiments of the present invention, the sample of loud speaker is specially mobile phone.
The professional will have the mobile phone terminal of loud speaker and put into noise insulation equipment, use USB port to be connected between the professional's control mobile phone that uses a computer, computer and mobile phone, and in embodiments of the present invention, noise insulation equipment is a sound proof box.
The mobile phone terminal that the professional utilizes tool software to have loud speaker is set to forbid the pattern of charging, and closes other application functions of the mobile phone terminal with loud speaker.
The professional utilizes tool software control to have the mobile phone terminal of loud speaker in computer, and in having the mobile phone terminal of loud speaker, plays preset audio files.
The professional utilizes tool software to obtain to have the mobile phone terminal standard current value of loud speaker, and standard current value is recorded in the tool software in the computer.
Particularly; During the mobile phone terminal that the professional utilizes tool software control to have loud speaker in computer is play preset audio files; Obtain mobile phone terminal standard recording signal amplitude through record type, and the standard recording signal amplitude is recorded in the tool software in the computer with loud speaker.
Tool software during the professional uses a computer stops at the preset audio files of playing in the mobile phone terminal with loud speaker, and stops recording.
Between the deviation area of step 209, statistics, calculating reference data and permission.
Particularly, replacing has the mobile phone terminal and the repeating step 202-step 208 of loud speaker, draws a plurality of mobile phone terminal sample values with loud speaker; According to the loud speaker sample value of obtaining in the above-mentioned steps, with due regard to the monomer discreteness of loud speaker calculates reference current value and reference recording signal amplitude, and between two types of deviation areas that reference data allowed.
Screen a plurality of loud speaker standard current value; Maximum and minimum value in a plurality of loud speaker standard current value are given up; A plurality of screenings back loud speaker standard current value is averaged; As the loud speaker reference current value, combining the concrete quantity of a plurality of loud speakers to confirm between the reference current value deviation area on the basis of loud speaker reference current value the mean value of standard current value;
Screen a plurality of loud speaker standard recording signal amplitudes; Maximum and minimum value in a plurality of loud speaker standard recording signal amplitudes are given up; A plurality of screenings back loud speaker standard recording signal amplitude is averaged; As loud speaker reference recording signal amplitude, combining the concrete quantity of a plurality of loud speakers to confirm between reference recording signal amplitude deviation area on the basis of loud speaker reference recording signal amplitude the mean value of standard recording signal amplitude.
According to above-mentioned two types of reference datas, calculate between two types of deviation areas that reference data allowed; And two types of reference datas that aforementioned calculation is gone out are as the output condition that detects loud speaker.
Fig. 3 is the method flow diagram of the disclosed detection of embodiment of the invention loud speaker to be detected; As shown in Figure 3, play preset audio files in inside loudspeakers to be detected, obtain loud speaker actual current value to be detected; When inside loudspeakers to be detected is play preset audio files, obtain the actual recorded audio signals amplitude of loud speaker to be detected through record type; Reference current value and reference recording signal amplitude that loud speaker is calculated; Compare with loud speaker actual current value to be detected and actual recorded audio signals amplitude; And combine to judge loud speaker to be detected and whether have defective between deviation area that two types of reference datas determine.Obtaining and detect loud speaker method to be detected needs following steps, specifically comprises:
Producing the line small lot or producing in batches in the loud speaker process to be detected, the professional chooses the intact loud speakers to be detected in aspect such as loudspeaker device and welding, in embodiments of the present invention, has loudspeaker terminals to be detected and is specially mobile phone terminal.
The professional will have the mobile phone terminal of loud speaker to be detected and put into noise insulation equipment; The professional uses a computer and controls the mobile phone terminal with loud speaker to be detected; Use USB port to be connected between computer and the mobile phone terminal with loud speaker to be detected; In embodiments of the present invention, noise insulation equipment is a sound proof box.
The mobile phone terminal that the professional utilizes tool software to have loud speaker to be detected is set to forbid the pattern of charging, and closes other application functions of the mobile phone terminal with loud speaker to be detected.
The professional utilizes tool software control to have the mobile phone terminal of loud speaker to be detected in computer, and in having the mobile phone terminal of loud speaker to be detected, plays preset audio files.
Utilize tool software to obtain loud speaker actual current value to be detected, and actual current value is recorded in the tool software in the computer.
Particularly; During the mobile phone terminal that the professional utilizes tool software control to have loud speaker to be detected in computer is play preset audio files; Obtain the actual recorded audio signals amplitude of loud speaker to be detected through record type, and actual recorded audio signals amplitude is recorded in the tool software in the computer.
Tool software during the professional uses a computer stops at the preset audio files of playing in the mobile phone terminal with loud speaker to be detected, and stops corresponding recording.
Tool software during the professional uses a computer obtains loud speaker actual current value to be detected and actual recorded audio signals amplitude, and loud speaker actual current value to be detected and actual recorded audio signals amplitude are kept at computer-internal.
Particularly; Testing conditions according to aforementioned loud speaker output; Promptly reference data allowed departs from interval judgement speaker data to be detected and whether satisfy testing conditions according to two types of reference datas that calculate and two types; If the speaker data to be detected obtained satisfies testing conditions, speaker data promptly to be detected is no more than between the deviation area that is allowed on two types of reference datas calculating and the two types of reference data bases, and then execution in step 311; If the speaker data to be detected obtained does not satisfy testing conditions, speaker data promptly to be detected surpasses between the deviation area that is allowed on two types of reference datas calculating and the two types of reference data bases, and then execution in step 312;
The speaker data of obtaining to be detected satisfies testing conditions, and promptly the data at terminal to be detected do not surpass between two types of reference datas calculating and two types of deviation areas that reference data allowed, and then this loud speaker to be detected is qualified loud speaker.
The speaker data of obtaining to be detected does not satisfy testing conditions, and promptly the data of loud speaker to be detected surpass between two types of reference datas calculating and two types of deviation areas that reference data allowed, and then this loud speaker to be detected is defective loud speaker.
Fig. 4 is the testing process figure of the disclosed loud speaker of the embodiment of the invention; As shown in Figure 4, when inside loudspeakers is play preset audio files, obtain its reference current value; When inside loudspeakers is play preset audio files, obtain the reference data of loud speaker standard recording signal through record type; Obtain loud speaker actual current Value Data to be detected and actual recorded audio signals amplitude; Compare according to above two types of reference datas and the corresponding data of loud speaker to be detected, draw loud speaker to be detected and whether have defective, finally reach the testing goal of loud speaker.The detection method that realizes loud speaker needs following steps, specifically comprises:
Particularly; Producing the line small lot or producing in batches in the loud speaker process, the professional chooses the intact loud speaker samples in aspect such as loudspeaker device and welding, and number of samples is determined by circumstances according to practical condition; But the sample size of at every turn choosing loud speaker should be no less than 10; In embodiments of the present invention, the sample with loudspeaker terminals is specially mobile phone, and noise insulation equipment is a sound proof box.
The professional will have the mobile phone terminal of loud speaker and put into sound proof box; Professional's control mobile phone that uses a computer; Use USB port to be connected between computer and the mobile phone; And the terminal with normal loud speaker is set to forbid the pattern of charging, and closes other application functions of the mobile phone terminal with loud speaker.
The professional utilizes tool software control to have the mobile phone terminal of loud speaker in computer, and in having the mobile phone terminal of loud speaker, plays preset audio files.
The professional utilizes tool software to obtain to have the mobile phone terminal standard current value of loud speaker, and standard current value is recorded in the tool software in the computer.
Particularly; During the mobile phone terminal that the professional utilizes tool software control to have loud speaker in computer is play preset audio files; Obtain mobile phone terminal standard recording signal amplitude through record type, and the standard recording signal amplitude is recorded in the tool software in the computer with loud speaker.
Tool software during the professional uses a computer stops at the preset audio files of playing in the mobile phone terminal with loud speaker, and stops recording.
Between the deviation area of step 408, statistics, calculating reference data and permission.
Particularly, replacing has the mobile phone terminal and the repeating step 401-step 407 of loud speaker, draws a plurality of mobile phone terminal sample values with loud speaker; According to the loud speaker sample value of obtaining in the above-mentioned steps, with due regard to the monomer discreteness of loud speaker calculates reference current value and reference recording signal amplitude, and between two types of deviation areas that reference data allowed.
Screen a plurality of loud speaker standard current value; Maximum and minimum value in a plurality of loud speaker standard current value are given up; A plurality of screenings back loud speaker standard current value is averaged; As the loud speaker reference current value, combining the concrete quantity of a plurality of loud speakers to confirm between the reference current value deviation area on the basis of loud speaker reference current value the mean value of standard current value;
Screen a plurality of loud speaker standard recording signal amplitudes; Maximum and minimum value in a plurality of loud speaker standard recording signal amplitudes are given up; A plurality of screenings back loud speaker standard recording signal amplitude is averaged; As loud speaker reference recording signal amplitude, combining the concrete quantity of a plurality of loud speakers to confirm between reference recording signal amplitude deviation area on the basis of loud speaker reference recording signal amplitude the mean value of standard recording signal amplitude.
According to above-mentioned two types of reference datas, calculate between two types of deviation areas that reference data allowed; And two types of reference datas that aforementioned calculation is gone out are as the output condition that detects loud speaker.
The professional will have the mobile phone terminal of loud speaker to be detected and put into noise insulation equipment, and professional's control that uses a computer has the mobile phone terminal of loud speaker to be detected, and the use USB port is connected between computer and the mobile phone terminal with loud speaker to be detected.
The mobile phone terminal that will have loud speaker to be detected is put into sound proof box, and repeating step 402-step 407, draws the detection data with loud speaker mobile phone terminal to be detected.
Particularly, the mobile phone terminal that the professional utilizes tool software to have loud speaker to be detected is set to forbid the pattern of charging, and closes other application functions of the mobile phone terminal with loud speaker to be detected; In computer, utilize tool software control to have the mobile phone terminal of loud speaker to be detected, and in having the mobile phone terminal of loud speaker to be detected, play preset audio files; Utilize tool software to obtain loud speaker actual current value to be detected, and actual current value is recorded in the tool software in the computer; During the mobile phone terminal that the professional utilizes tool software control to have loud speaker to be detected in computer is play preset audio files; Obtain the actual recorded audio signals amplitude of loud speaker to be detected through record type, and actual recorded audio signals amplitude is recorded in the tool software in the computer; Tool software during the professional uses a computer stops at the preset audio files of playing in the mobile phone terminal with loud speaker to be detected, and stops corresponding recording, recovers to have mobile phone terminal charging and other functions of loud speaker to be detected.
Particularly; Testing conditions according to aforementioned loud speaker output; Promptly reference data allowed departs from interval judgement speaker data to be detected and whether satisfy testing conditions according to two types of reference datas that calculate and two types; If the speaker data to be detected obtained satisfies testing conditions, speaker data promptly to be detected is no more than between two types of reference datas calculating and two types of deviation areas that reference data allowed, and then execution in step 413; If the speaker data to be detected obtained does not satisfy testing conditions, speaker data promptly to be detected surpasses between two types of reference datas calculating and two types of deviation areas that reference data allowed, and then execution in step 414;
The speaker data of obtaining to be detected satisfies testing conditions, and promptly the data at terminal to be detected do not surpass between two types of reference datas calculating and two types of deviation areas that reference data allowed, and then this loud speaker to be detected is qualified loud speaker.
The speaker data of obtaining to be detected does not satisfy testing conditions, and promptly the data of loud speaker to be detected surpass between two types of reference datas calculating and two types of deviation areas that reference data allowed, and then this loud speaker to be detected is defective loud speaker.
Fig. 5 is the checkout gear figure of the disclosed loud speaker of the embodiment of the invention;
As shown in Figure 5, the checkout gear of loud speaker comprises first receiving element, first computing unit and processing unit.
First receiving element is used for when the mobile phone terminal with loud speaker is play preset audio files, obtaining the actual recorded audio signals amplitude of loud speaker actual current value to be detected and loud speaker to be detected;
First computing unit; Be used to screen a plurality of loud speaker standard current value; Maximum and minimum value in said a plurality of loud speaker standard current value are given up; Said a plurality of screenings back loud speaker standard current value is averaged, as the loud speaker reference current value, combining the concrete quantity of a plurality of loud speakers to confirm between the reference current value deviation area on the basis of said loud speaker reference current value the mean value of said standard current value; With
Screen a plurality of loud speaker standard recording signal amplitudes; Maximum and minimum value in said a plurality of loud speaker standard recording signal amplitudes are given up; Said a plurality of screenings back loud speaker standard recording signal amplitude is averaged; As loud speaker reference recording signal amplitude, combining the concrete quantity of a plurality of loud speakers to confirm between reference recording signal amplitude deviation area on the basis of said loud speaker reference recording signal amplitude the mean value of said standard recording signal amplitude;
Processing unit; Be used to judge if said loud speaker actual current value to be detected is no more than the said preset corresponding loud speaker reference current value of audio files; And the actual recorded audio signals amplitude of said loud speaker to be detected is no more than the said preset corresponding loud speaker reference recording signal amplitude of audio files, judges that then said loud speaker to be detected is qualified loud speaker; Otherwise, judge that said loud speaker to be detected is defective loud speaker;
Wherein, said processing unit specifically is used for if said loud speaker actual current value to be detected is no more than between the deviation area on said loud speaker reference current value and the said loud speaker reference current value basis; And
When the actual recorded audio signals amplitude of said loud speaker to be detected is no more than between the deviation area on said loud speaker reference recording signal amplitude and the said loud speaker reference recording signal amplitude basis, judge that then said loud speaker to be detected is qualified loud speaker;
If said loud speaker actual current value to be detected surpasses between the deviation area on said loud speaker reference current value and the said loud speaker reference current value basis; And
When the actual recorded audio signals amplitude of said loud speaker to be detected surpasses between the deviation area on said loud speaker reference recording signal amplitude and the said loud speaker reference recording signal amplitude basis, judge that then said loud speaker to be detected is defective loud speaker.
In embodiments of the present invention, described a plurality of loud speaker sample values are specially 1,000 loud speakers or more a plurality of loud speaker, need to select according to the concrete condition of production;
Need to prove that the detection method of the said loud speaker of the embodiment of the invention all is applicable to the terminal equipment with monophony and stereosonic single, double loud speaker with device.
The professional should further recognize; The unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein; Can realize with electronic hardware, computer software or the combination of the two; For the interchangeability of hardware and software clearly is described, the composition and the step of each example described prevailingly according to function in above-mentioned explanation.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use distinct methods to realize described function to each certain applications, but this realization should not thought and exceeds scope of the present invention.
The software module that the method for describing in conjunction with embodiment disclosed herein or the step of algorithm can use hardware, processor to carry out, perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
Above-described embodiment; The object of the invention, technical scheme and beneficial effect have been carried out further explain, and institute it should be understood that the above is merely embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the detection method of a loud speaker is characterized in that, the detection method of said loud speaker comprises:
When the mobile phone terminal with loud speaker is play preset audio files, obtain the actual recorded audio signals amplitude of loud speaker actual current value to be detected and loud speaker to be detected;
If said loud speaker actual current value to be detected is no more than the said preset corresponding loud speaker reference current value of audio files; And the actual recorded audio signals amplitude of said loud speaker to be detected is no more than the said preset corresponding loud speaker reference recording signal amplitude of audio files, judges that then said loud speaker to be detected is qualified loud speaker; Otherwise, judge that said loud speaker to be detected is defective loud speaker.
2. the detection method of loud speaker as claimed in claim 1 is characterized in that, saidly also comprises before obtaining loud speaker actual current value to be detected and the actual recorded audio signals amplitude of loud speaker to be detected:
Screen a plurality of loud speaker standard current value; Maximum and minimum value in said a plurality of loud speaker standard current value are given up; Said a plurality of screenings back loud speaker standard current value is averaged; As the loud speaker reference current value, combining the number of a plurality of loud speakers to confirm between the reference current value deviation area on the basis of said loud speaker reference current value the mean value of said standard current value;
Screen a plurality of loud speaker standard recording signal amplitudes; Maximum and minimum value in said a plurality of loud speaker standard recording signal amplitudes are given up; Said a plurality of screenings back loud speaker standard recording signal amplitude is averaged; As loud speaker reference recording signal amplitude, combining the number of a plurality of loud speakers to confirm between reference recording signal amplitude deviation area on the basis of said loud speaker reference recording signal amplitude the mean value of said standard recording signal amplitude.
3. the detection method of loud speaker as claimed in claim 2; It is characterized in that; If loud speaker actual current value said to be detected is no more than the said preset corresponding loud speaker reference current value of audio files; And the actual recorded audio signals amplitude of said loud speaker to be detected is no more than the said preset corresponding loud speaker reference recording signal amplitude of audio files, judges that then said loud speaker to be detected is that qualified loud speaker comprises:
If said loud speaker actual current value to be detected is no more than between the deviation area on said loud speaker reference current value and the said loud speaker reference current value basis; And
When the actual recorded audio signals amplitude of said loud speaker to be detected is no more than between the deviation area on said loud speaker reference recording signal amplitude and the said loud speaker reference recording signal amplitude basis, judge that then said loud speaker to be detected is qualified loud speaker.
4. the detection method of loud speaker as claimed in claim 2; It is characterized in that; If loud speaker actual current value said to be detected surpasses the said preset corresponding loud speaker reference current value of audio files; And the actual recorded audio signals amplitude of said loud speaker to be detected surpasses the said preset corresponding loud speaker reference recording signal amplitude of audio files, judges that then said loud speaker to be detected is that defective loud speaker comprises:
If said loud speaker actual current value to be detected surpasses between the deviation area on said loud speaker reference current value and the said loud speaker reference current value basis; And
When the actual recorded audio signals amplitude of said loud speaker to be detected surpasses between the deviation area on said loud speaker reference recording signal amplitude and the said loud speaker reference recording signal amplitude basis, judge that then said loud speaker to be detected is defective loud speaker.
5. the checkout gear of a loud speaker is characterized in that, the checkout gear of said loud speaker comprises:
First receiving element is used for when the mobile phone terminal with loud speaker is play preset audio files, obtaining the actual recorded audio signals amplitude of loud speaker actual current value to be detected and loud speaker to be detected;
Processing unit; Be used to judge if said loud speaker actual current value to be detected is no more than the said preset corresponding loud speaker reference current value of audio files; And the actual recorded audio signals amplitude of said loud speaker to be detected is no more than the said preset corresponding loud speaker reference recording signal amplitude of audio files, judges that then said loud speaker to be detected is qualified loud speaker; Otherwise, judge that said loud speaker to be detected is defective loud speaker.
6. checkout gear as claimed in claim 5 is characterized in that, said checkout gear also comprises:
First computing unit; Be used to screen a plurality of loud speaker standard current value; Maximum and minimum value in said a plurality of loud speaker standard current value are given up; Said a plurality of screenings back loud speaker standard current value is averaged, as the loud speaker reference current value, combining the number of a plurality of loud speakers to confirm between the reference current value deviation area on the basis of said loud speaker reference current value the mean value of said standard current value; With
Screen a plurality of loud speaker standard recording signal amplitudes; Maximum and minimum value in said a plurality of loud speaker standard recording signal amplitudes are given up; Said a plurality of screenings back loud speaker standard recording signal amplitude is averaged; As loud speaker reference recording signal amplitude, combining the number of a plurality of loud speakers to confirm between reference recording signal amplitude deviation area on the basis of said loud speaker reference recording signal amplitude the mean value of said standard recording signal amplitude.
7. the checkout gear of loud speaker as claimed in claim 6 is characterized in that, said processing unit specifically is used for:
If said loud speaker actual current value to be detected is no more than between the deviation area on said loud speaker reference current value and the said loud speaker reference current value basis; And
When the actual recorded audio signals amplitude of said loud speaker to be detected is no more than between the deviation area on said loud speaker reference recording signal amplitude and the said loud speaker reference recording signal amplitude basis, judge that then said loud speaker to be detected is qualified loud speaker.
8. the checkout gear of loud speaker as claimed in claim 6 is characterized in that, said processing unit also specifically is used for:
If said loud speaker actual current value to be detected surpasses between the deviation area on said loud speaker reference current value and the said loud speaker reference current value basis; And
When the actual recorded audio signals amplitude of said loud speaker to be detected surpasses between the deviation area on said loud speaker reference recording signal amplitude and the said loud speaker reference recording signal amplitude basis, judge that then said loud speaker to be detected is defective loud speaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN105306926A (en) * | 2015-10-09 | 2016-02-03 | 湖南康通电子科技有限公司 | Online monitoring method for audio power amplifier and system thereof |
| CN106840377A (en) * | 2017-02-13 | 2017-06-13 | 惠州Tcl移动通信有限公司 | A kind of detection Horn/bubbler toy cotton patch fills qualified method and system |
| CN108307284A (en) * | 2017-12-29 | 2018-07-20 | 青岛海信移动通信技术股份有限公司 | A kind of method, device and mobile terminal of automatic detection loud speaker |
| CN109005494A (en) * | 2018-07-26 | 2018-12-14 | 江西联创宏声电子股份有限公司 | The air-tightness detection device and method of Microspeaker mould group |
| CN110390954A (en) * | 2019-08-06 | 2019-10-29 | 京东方科技集团股份有限公司 | Method and device for evaluating quality of voice product |
| CN112492496A (en) * | 2020-11-26 | 2021-03-12 | 惠州市博实结科技有限公司 | Electronic product audio automatic detection method and system |
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| CN106840377B (en) * | 2017-02-13 | 2020-06-02 | 惠州Tcl移动通信有限公司 | Method and system for detecting horn foam mounting qualification |
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| CN112492496B (en) * | 2020-11-26 | 2022-05-03 | 惠州市博实结科技有限公司 | Electronic product audio automatic detection method and system |
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