CN102196077A - Real-time audio calibration method - Google Patents
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- CN102196077A CN102196077A CN2010101184273A CN201010118427A CN102196077A CN 102196077 A CN102196077 A CN 102196077A CN 2010101184273 A CN2010101184273 A CN 2010101184273A CN 201010118427 A CN201010118427 A CN 201010118427A CN 102196077 A CN102196077 A CN 102196077A
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Abstract
The invention provides a real-time audio calibration method. A real-time audio calibration program is performed on a third-generation (3G) handheld mobile device by utilizing an electronic device and a testing instrument. In the whole process of the audio calibration program, audio parameters are written into a memory by utilizing a central microprocessor, and are directly read by an audio processor to perform an audio test, so that the testing instrument and the 3G handheld mobile device are connected without being restarted and re-executing communication to further increase the speed of the audio calibration program.
Description
Technical field
The present invention relates to a kind of real-time audio calibration steps, relate in particular to a kind of running gear that need not restart and to carry out the audio frequency Calibration Method.
Background technology
Along with timesharing-synchronous demal multitask access (Time Division-SynchronousCode Division Multiple Access; TD-SCDMA) system, a broadband demal multitask (Wideband Code Division Multiple Access; WCDMA) system and a demal multitask 2000 (Code Division Multiple Access 2000; CDMA2000) the continuous development of 3G wireless communication technique such as system is with ripe day by day, and therefore, the user of 3G Mobile Communications system also day by day increases, and relatively, the output of 3G hand held device also increases thereupon.
Yet the 3G hand held device must comprise through calibration miscellaneous in the process of making, antenna calibration, RF calibration and audio frequency calibration.Wherein, the most inconvenient with the operation sequence of audio frequency calibration again, cause calibration efficiency the poorest.
In known techniques, the audio frequency calibration procedure at first must be put into a test container with 3G hand held device to be tested by an operator, and imports a predetermined audio parameter 3G hand held device to be tested is carried out the electrical parameter setting; Then, making a 3G hand held device to be tested and a tester carry out a communication is connected; Utilize tester that 3G hand held device to be tested is carried out a series of tone testing again; After test finishes, then obtain the tone testing result via tester; By tone testing results operation electronic installation to revise some corresponding predetermined audio parameters of 3G hand held device.
Afterwards, the operator need take out 3G hand held device self-test container to be tested, and by restarting the 3G hand held device, so that the 3G hand held device re-executes new parameter setting; After restarting, once more the 3G hand held device is put into test container, and carry out communication again with tester and be connected; Then carry out above-mentioned tone testing again, till the tone testing result satisfies standard.
Yet, by restarting the 3G hand held device to re-execute the most of the time that this step of new parameter setting has often occupied the audio frequency calibration procedure, test container tends to has deviation because of operator's carelessness with standard putting position and angle and once more the 3G hand held device is put into, and cause the audio frequency alignment error, make decrease in efficiency.Therefore how promoting the speed and the efficient of audio frequency calibration, is considerable subject under discussion.
Putting before this, in fact be necessary to develop a kind of new real-time audio calibration steps and use and solve above-mentioned variety of problems simultaneously.
Summary of the invention
Technical problem and purpose that institute of the present invention desire solves:
Because in the known techniques, restart the 3G hand held device and can expend the considerable time to re-execute new parameter setting, and the 3G hand held device is put into test container once more, tend to careless mistake, and cause the audio frequency calibration efficiency to descend because of the operator.
Therefore, main purpose of the present invention is, a kind of real-time audio calibration steps is provided, and utilizes an electronic installation and a tester that one 3G hand held device is carried out a real-time audio calibration procedure.Make when the tone testing result does not satisfy standard, do not need and to take out in the 3G hand held device self-test container, can see through electronic installation and directly the 3G hand held device be carried out the electrical parameter setting again, after the electrical parameter setting is finished, can directly read by a microprocessor the electrical parameter that resets, can directly carry out tone testing, therefore, not need to restart the 3G hand held device.By this, can effectively solve above-mentioned variety of problems.
The technological means that the present invention deals with problems:
The present invention provides a kind of real-time audio calibration steps for solving the problem of known techniques, with so that an electronic installation and a tester to a third generation (Third Generation; 3G) (hereinafter to be referred as 3G) hand held device carries out an audio frequency calibration procedure, and this real-time audio calibration steps comprises following steps:
(a) at least one predetermined audio parameter is sent to this 3G hand held device from this electronic installation, and according to this 3G hand held device of this predetermined audio parameter setting;
(b) making this tester carry out a communication with this 3G hand held device is connected;
(c) make this tester and this 3G hand held device carry out a tone testing;
(d) after finishing this tone testing, this tester transmits a result parameter to this electronic installation, makes this electronic installation calculate one according to this result parameter and revises audio frequency parameter;
(e) do not satisfy at least one pair of should be in the target component of this result parameter the time when this result parameter, should revise audio frequency parameter and be sent to this 3G hand held device, and set this 3G hand held device, and make this 3G hand held device directly read revised parameter setting according to this correction audio frequency parameter; And
(f) repeat step (c) to (e) at least once.
The present invention contrasts the advantage of prior art:
In the disclosed real-time audio calibration steps of the present invention, directly the 3G hand held device being carried out electrical parameter again by electronic installation sets, and after the electrical parameter setting is finished, directly the electrical parameter that resets is read by microprocessor, do not need to restart the 3G hand held device as known techniques, promptly can directly carry out tone testing, also can avoid the disappearances such as deviation of known putting position that causes and angle.Apparently,, do not need, only need utilize the tester operation, just can finish the audio frequency calibration procedure accurately and quickly, and then promote the speed and the efficient of audio frequency calibration by complicated ground manual operation program by the disclosed real-time audio calibration steps of the present invention.Use the above variety of problems of effective solution.
Description of drawings
The reader will become apparent various aspects of the present invention after the reference accompanying drawing has been read the specific embodiment of the present invention.Wherein,
Fig. 1 illustrates the system architecture diagram of preferred embodiment of the present invention;
Fig. 2 illustrates the system block diagrams of preferred embodiment of the present invention; And
Fig. 3 illustrates the method flow diagram of preferred embodiment of the present invention.
[main element symbol description]
1: audio frequency calibration system 11: electronic installation
111: audio frequency calibration procedure 12: tester
13:3G hand held device 131: central microprocessor
132: internal memory 133: audio process
14: test container S1: the predetermined audio parameter
S2: connect signal S3: test signal
S4: result parameter S5: revise audio frequency parameter
S100～S170: step
Embodiment
Real-time audio calibration steps provided by the present invention can be widely used in the audio frequency parameter of the various systems of calibration, and relevant combination execution mode is too numerous to enumerate especially, so give unnecessary details no longer one by one at this, only enumerates one of them preferred embodiment and is specified.
See also Fig. 1 and Fig. 2, Fig. 1 illustrates the system architecture diagram of preferred embodiment of the present invention, and Fig. 2 illustrates the system block diagrams of preferred embodiment of the present invention.One audio frequency calibration system 1 can comprise an electronic installation 11, a tester 12, a 3G hand held device 13 and a test container 14.Wherein, electronic installation 11 is electrically connected at tester 12, electronic installation 11 also can be connected with 13 communications of 3G hand held device, and electronic installation 11 can comprise an audio frequency calibration procedure 111, and audio frequency calibration procedure 111 is in order to computing and produce relevant audio settings parameter.Electronic installation can be a computer.
In addition, tester 12 can be connected with 13 communications of 3G hand held device, and wherein, 3G hand held device 13 is applicable to a TD-SCDMA system, a WCDMA system or a CDMA2000 system; In addition, 3G hand held device 13 also comprises a central microprocessor 131, an internal memory 132 and an audio process 133.
Wherein, central microprocessor 131 is electrically connected at an internal memory 132 and an audio process 133, and internal memory 132 is electrically connected at audio process 133.Microprocessor 131 can be one and advances rank reduced instruction set computer machine (Advanced RISC Machine; ARM), internal memory 132 can be a non-volatile random access memory (Non-Volatile Random AccessMemory; NVRAM), audio process 133 can be a digital signal processor (DigitalSignal Processor; DSP).The 3G hand held device can be positioned in the test container 14, with the interference that prevents that external environment from being produced.
In preferred embodiment of the present invention, carry out a real-time audio calibration procedure by electronic installation 11 and 12 pairs of 3G hand held devices of tester 13.
When carrying out the disclosed real-time audio calibration steps of the present invention, at first, by an operator (figure does not show) 3G hand held device 13 is put into test container 14, operating electronic devices 11 again, and by electronic installation 11 via wireless telecommunications or wire communication, transmit a predetermined audio parameter S 1 to 3G hand held device 13 according to the audio frequency calibration procedure.Wherein, predetermined audio parameter S 1 can comprise a predetermined parametric equalizer, a predetermined number analog gain parameter, a predetermined audio gain parameter, a predetermined acoustic gain parameter, predetermined echo inhibition (Echo Canceller) parameter and predetermined pulse coding modulation filter (Pulse-Code Modulation Filter; PCM Filter) parameter.Above-mentioned predetermined audio parameter S 1 is known, so do not add to give unnecessary details in this.
After 3G hand held device 13 received predetermined audio parameter S 1, central microprocessor 131 was adjusted the audio frequency parameter of internal memory 132 according to predetermined audio parameter S 1.After adjustment was finished, audio process 133 can directly read the audio frequency parameter of internal memory 132.For example, after central microprocessor 131 is adjusted the audio frequency parameter that is write down in the internal memory 132 according to predetermined audio parameter S 1, audio process 133 can directly read the audio frequency parameter that is write down in the internal memory 132, uses an equalizer unit, an audio gain unit, an echo of setting 3G hand held device 13 and suppresses unit, a pulse code modulation unit and the pairing electrical parameter of a filter cell.Wherein, electrical parameter can be an encoding rate, a frequency, an impedance, a power or a frequency range.
Then, can transmit one by tester 12 and connect signal S2 to 3G hand held device; Or transmit to connect signal S2 to tester 12 by the 3G hand held device, make tester 12 carry out a communication and be connected with 3G hand held device 13.Wherein, but tester 12 emulation become a 3G base platform or a 3G running gear, and carry out communication with 3G hand held device 13 and be connected.And communication is connected to known techniques, so do not add to give unnecessary details in this.
After tester 12 and 3G hand held device 13 are finished communication and be connected, can transmit test signal S3 to a 3G hand held device 13 by tester 12; Or transmit test signal S3 to tester 12 by 3G hand held device 13, make tester 12 and 3G hand held device 13 carry out a tone testing.Wherein, tone testing can comprise a sound quality and fidelity (Sound Quality ﹠amp; Naturalness) test, a characteristics of speech sounds (Speech Characteristics) test, (the Listening ﹠amp that listens to and talk; Talking) test, a session (Conversation) test, a two-way call performance (Double Talk Performance) test and background noise transmission (Transmission of Background Noise) test.And tone testing is a known techniques, so do not add to give unnecessary details in this.
After finishing tone testing, tester 12 can transmit a result parameter S4 to electronic installation 11 according to tone testing.Wherein, result parameter S4 can comprise (the Send Loudness Rate that sends loudness rating; SLR), one receive loudness rating (ReceiveLoudness Rate; RLR), a STMR (Side Tone MaskingRating; STMA), stable equilibrium's return loss (Stability Balance Return Loss; SBRL) evaluation value, an echo balance return loss (Echo Balance Return Loss; EBRL) evaluation value, a transmit distortion (Sending Distortion) evaluation value, receive distortion (Receiving Distortion) evaluation value, an idle channel noise evaluation value, sends the frequency response evaluation value of sensitivity and the frequency response evaluation value of a receiving sensitivity.And result parameter S4 is a known techniques, so do not add to give unnecessary details in this.
After electronic installation 11 receives above-described result parameter S4, can see through audio frequency calibration procedure 111 according to the The above results parameter and carry out computing and derivation, and produce a correction audio frequency parameter S5.Wherein, revising audio frequency parameter S5 can comprise one and revise parametric equalizer, and revise digital simulation gain parameter, and revise audio gain parameter, and revise acoustic gain parameter, and revise echo and suppress (Echo Canceller) parameter and corrected impulse modulation filter (the Pulse-Code Modulation Filter that encodes; PCMFilter) parameter.In addition, utilize audio frequency calibration procedure 111 to carry out computing and be derived as known techniques, so do not add to give unnecessary details in this according to result parameter S4.
At last, electronic installation 11 can be compared result parameter S4 target component pairing with it, when the arbitrary evaluation value that is comprised among the result parameter S4 did not satisfy its pairing target evaluation value, then electronic installation 11 can will be revised audio frequency parameter S5 in real time and be sent to 3G hand held device 13.
Make 3G hand held device 13 after receiving correction audio frequency parameter S5, central microprocessor 131 can be adjusted the internal memory 132 previous predetermined audio parameter S 1 that write down once more according to revising audio frequency parameter S5.After adjustment was finished, audio process 133 also can directly read the audio frequency parameter of internal memory 132 and directly carry out above-mentioned tone testing.
For example, after tester 12 and 3G hand held device 13 are finished above-mentioned tone testing, then still keep above-mentioned communication to connect, and 3G hand held device 13 still is positioned in the test container.Therefore when the above-mentioned arbitrary evaluation value that is comprised among the received result parameter S4 of electronic installation 11 does not satisfy its pairing target evaluation value, then electronic installation 11 can will be revised audio frequency parameter S5 in real time and be sent to 3G hand held device 13, make central microprocessor 131 adjust once more in internal memory 132 according to revising audio frequency parameter S5, directly read the audio frequency parameter that is write down in the internal memory 132 by audio process 133 again, use the equalizer unit that resets 3G hand held device 13, the audio gain unit, echo is suppressed the unit, the pairing electrical parameter of pulse code modulation unit and filter cell.Then just directly carry out above-mentioned tone testing.
Therefore, tester 12 does not need to restart and carries out communication with 3G hand held device 13 and is connected, and uses and significantly saves the audio frequency calibration procedure time.Generally speaking, tester 12 is restarted with 3G hand held device 13 and carry out communication to be connected time of 60% that the time that is spent has occupied an audio frequency calibration procedure approximately, therefore, can reduce by 70% audio frequency calibration procedure time at most.
Otherwise, when the evaluation value that is comprised among the result parameter S4 all satisfies its pairing target evaluation value, then finish the audio frequency calibration procedure, and interrupt test instrument 12 is connected with the communication of 13 of 3G hand held devices.
In this preferred embodiment, when as long as the arbitrary evaluation value that is comprised among the result parameter S4 does not satisfy its pairing target evaluation value, then electronic installation 13 can transmit and revise audio frequency parameter S5 to 3G hand held device 13, and central microprocessor 131 can be adjusted once more according to revising audio frequency parameter S5 to the internal memory 132 previous audio frequency parameters that write down, then audio process 132 can read once more to the audio frequency parameter that internal memory 132 is write down, and uses the equalizer unit that resets 3G hand held device 13 once more, the audio gain unit, echo is suppressed the unit, the pairing electrical parameter of pulse code modulation unit and filter cell.And repeating above-mentioned tone testing again and again, the evaluation value that is comprised in result parameter S4 all satisfies till its pairing target evaluation value.
See also Fig. 3, in order further to promote the disclosed technology of the present invention, below further converge the disclosed technology of preferred embodiment of the present invention whole to be a simple and easy flow chart, to know the easier memory of the knowledgeable usually so that in affiliated technical field, have.Following assembly label sees also Fig. 2.
One predetermined audio parameter S 1 is sent to 3G hand held device 13 from electronic installation 11, and sets an electrical parameter (step S100) of 3G hand held device 13.
Make tester 12 carry out communication and be connected (step S110) with 3G hand held device 13
Make tester 12 and 3G hand held device 13 carry out tone testing (step S120).
After finishing tone testing, make tester 12 transmit result parameter S4 to electronic installation 11 (step S130).
Whether judged result parameter S 4 satisfies its pairing target component (step S150).
When result parameter S4 does not satisfy at least one pair of should be in the target component of this result parameter S4 the time, then transmit in real time and revise audio frequency parameter S5 to 3G hand held device 13, and directly reset at least one electrical parameter (step S160) of 3G hand held device 13.
When result parameter S4 satisfies its pairing target component, then finish this audio frequency calibration procedure and interrupt this communication connection (step S170).
In the disclosed real-time audio calibration steps of the present invention, directly the 3G hand held device being carried out electrical parameter again by electronic installation sets, and after the electrical parameter setting is finished, directly the electrical parameter that resets is read by microprocessor, do not need to restart the 3G hand held device as known techniques, promptly can directly carry out tone testing, also can avoid the disappearances such as deviation of known putting position that causes and angle.Apparently, by the disclosed real-time audio calibration steps of the present invention's example, do not need by complicated ground manual operation program, only need utilize the tester operation, just the audio frequency calibration procedure be can finish accurately and quickly, and then the speed and the efficient of audio frequency calibration promoted.Use the above-described variety of problems of effective solution.
Above, describe the specific embodiment of the present invention with reference to the accompanying drawings.But those skilled in the art can understand, and under situation without departing from the spirit and scope of the present invention, can also do various changes and replacement to the specific embodiment of the present invention.These changes and replace all drop in claims of the present invention institute restricted portion.
Claims (10)
1. real-time audio calibration steps, with so that an electronic installation and a tester to a third generation (Third Generation; 3G) hand held device carries out an audio frequency calibration procedure, it is characterized in that, this real-time audio calibration steps comprises:
(a) at least one predetermined audio parameter is sent to this 3G hand held device from this electronic installation, and according to this 3G hand held device of this predetermined audio parameter setting;
(b) making this tester carry out a communication with this 3G hand held device is connected;
(c) make this tester and this 3G hand held device carry out a tone testing;
(d) after finishing this tone testing, this tester transmits a result parameter to this electronic installation, makes this electronic installation calculate one according to this result parameter and revises audio frequency parameter;
(e) do not satisfy at least one pair of should be in the target component of this result parameter the time when this result parameter, should revise audio frequency parameter and be sent to this 3G hand held device, and set this 3G hand held device, and make this 3G hand held device directly read revised parameter setting according to this correction audio frequency parameter; And
(f) repeat step (c) to (e) at least once.
2. real-time audio calibration steps as claimed in claim 1 is characterized in that, this 3G hand held device is applicable to a timesharing-synchronous demal multitask access (TimeDivision-Synchronous Code Division Multiple Access; TD-SCDMA) system.
3. real-time audio calibration steps as claimed in claim 1 is characterized in that, in the step (a), the central microprocessor of this 3G hand held device is according at least one audio frequency parameter of the internal memory of this this 3G hand held device of predetermined audio parameter adjustment.
4. real-time audio calibration steps as claimed in claim 3 is characterized in that, the audio process of this 3G hand held device reads at least one audio frequency parameter of this internal memory.
5. real-time audio calibration steps as claimed in claim 1 is characterized in that, in the step (e), the central microprocessor of this 3G hand held device is adjusted at least one audio frequency parameter of the internal memory of this 3G hand held device according to this correction audio frequency parameter.
6. real-time audio calibration steps as claimed in claim 5 is characterized in that, the audio process of this 3G hand held device reads at least one audio frequency parameter of this internal memory.
7. real-time audio calibration steps as claimed in claim 1 is characterized in that, this step (e) also comprises a step (e1), when this result parameter satisfies this target component, finishes this audio frequency calibration procedure and interrupts this communication connection.
8. real-time audio calibration steps as claimed in claim 1 is characterized in that, this electronic installation is a computer.
9. real-time audio calibration steps as claimed in claim 4 is characterized in that, this central microprocessor is rank reduced instruction set computer machine (Advanced RISC Machine into; ARM), save as a non-volatile random access memory (Non-Volatile RandomAccess Memory in this; NVRAM), this audio process is a digital signal processor
10. real-time audio calibration steps as claimed in claim 6 is characterized in that, this central microprocessor is a rank reduced instruction set computer machine into, saves as a non-volatile random access memory in this, and this audio process is a digital signal processor.
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| CN105406886A (en) * | 2015-12-14 | 2016-03-16 | 恩平市邦华电子有限公司 | Digital signal wireless transmission equipment |
| WO2017215629A1 (en) * | 2016-06-16 | 2017-12-21 | 广东欧珀移动通信有限公司 | Sound effect configuration method and related device |
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Application publication date: 20110921 |