CN110971258A - Audio signal amplification method - Google Patents
Audio signal amplification method Download PDFInfo
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- CN110971258A CN110971258A CN201911116600.3A CN201911116600A CN110971258A CN 110971258 A CN110971258 A CN 110971258A CN 201911116600 A CN201911116600 A CN 201911116600A CN 110971258 A CN110971258 A CN 110971258A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/16—Automatic control
Abstract
The invention discloses an audio signal amplification method, which solves the problems of insufficient user experience, distortion in audio signal amplification and overlarge audio frequency of partial frequency band. Through setting up signal decomposition module, radio frequency processing module and signal synthesis module, can adjust the sub-signal of the different frequency channels of signal according to the demand, make the fidelity effect of signal better, user experience feels better, and the amplification effect is better. The system comprises a signal receiving module, a central controller, an information acquisition module, an information analysis module, a signal processing module, a storage module, a signal decomposition module, a model setting module, a radio frequency processing module, a signal synthesis module and a signal sending module, wherein the signal receiving module is connected with the central controller.
Description
Technical Field
The invention relates to the technical field of audio processing, in particular to an audio signal amplification method.
Background
The audio signal is a regular sound wave frequency and amplitude change information carrier with voice, music and sound effect, and the audio information can be classified into regular audio and irregular sound according to the characteristics of the sound wave. Regular audio is a continuously varying analog signal represented by a continuous curve called sound wave, and three elements of sound are tone, intensity and timbre, which determine the characteristics of the audio signal.
In the current audio signal amplification process, the amplification of signal does not consider user's actual conditions, consequently when audio amplification, there are some frequency channels and some users can't accept this frequency channel for the amplification effect is unsatisfactory, amplifies whole audio signal in the amplification process moreover, makes there be distortion and partial audio frequency too big, influences user experience and feels, consequently, needs improve prior art.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an audio signal amplification method, which solves the problems of insufficient user experience, distortion in audio signal amplification and overlarge audio frequency of a partial frequency band, and ensures that the user experience is better and the amplification effect is better.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an audio signal amplification system, includes signal reception module, central controller, information acquisition module, information analysis module, signal processing module, storage module, signal decomposition module, model setting module, radio frequency processing module, signal synthesis module and signal transmission module, signal reception module and central controller connect, central controller and storage module connect, signal processing module and signal decomposition module connect, signal decomposition module and model setting module connect, signal processing module and radio frequency processing module connect, radio frequency processing module and signal synthesis module connect, signal synthesis module and signal transmission module connect.
Preferably, the central controller is connected with the information acquisition module, the information acquisition module is connected with the information analysis module, and the information analysis module is connected with the signal processing module.
Preferably, the information acquisition module comprises a frequency band configuration module, an audio sending module and a feedback receiving module, the frequency band configuration module is connected with the audio sending module, and the audio sending module is connected with the feedback receiving module.
Preferably, the signal processing module comprises a control module, a logic operation module, a register and a comparison module, the control module is connected with the logic operation module, the control module is connected with the register, the control module is connected with the comparison module, the logic operation module is connected with the register, and the register is connected with the comparison module.
Preferably, the radio frequency processing module comprises a radio frequency modulation module, a radio frequency amplification module and a radio frequency demodulation module, the radio frequency modulation module is connected with the radio frequency amplification module, and the radio frequency amplification module is connected with the radio frequency demodulation module.
A method for amplifying an audio signal comprises the following specific steps:
the method comprises the following steps: the signal receiving module receives a signal to be amplified, the signal receiving module transmits the signal to the central controller after receiving the signal, the central controller transmits the signal to the storage module after receiving the signal, and the storage module stores the signal after receiving the signal.
Step two: after the central controller receives the signal, the central controller transmits an instruction to the information acquisition module to acquire user information, after the information acquisition module receives the instruction, the frequency band configuration module sets an initial frequency and a termination frequency, and after the setting is completed, the frequency band configuration module transmits the instruction to the audio sending module.
Step three: after the audio sending module receives the instruction, a plurality of acquisition frequency points are determined by increasing the frequency from the initial frequency by a preset step length, audio signals are sent out at the acquisition frequency points until the end frequency, the audio sending module sends out the audio and transmits the instruction to the feedback receiving module, and after the feedback receiving module receives the instruction, the determination signals fed back by the user at the acquisition frequency points are received according to the audio sent out by the audio sending module.
Step four: after the feedback receiving module receives the fed back audio, the information acquisition module transmits the acquired audio to the central controller and the information analysis module, the central controller transmits the information to the storage module for storage after receiving the acquired information, and the information analysis module analyzes the audio after receiving the acquired audio and transmits an analysis result to the signal processing module.
Step five: the central controller transmits the signals to the signal processing module, the control module decodes the signals and sends out control instructions of each operation to be executed after the signal processing module receives the signals and analysis results, the control module transmits the corresponding control instructions to the logic operation module, and the logic operation module executes fixed-point arithmetic operation and logic operation according to a logic algorithm after receiving the instructions and transmits the algorithm to the register.
Step six: the control module transmits a corresponding control instruction to the register, the register stores the intermediate operand of the register and a final operation result temporarily stored in the instruction execution process after receiving the instruction, the control module transmits the corresponding control instruction to the comparison module, the comparison module compares the collected audio frequency and the signal according to a logic algorithm after receiving the instruction, finds out a frequency band which is not in line with the feedback receiving module, and temporarily stores the comparison process in the register.
Step seven: after the comparison module compares the result, the signal processing module transmits the signal to the signal decomposition module, and the signal decomposition module decomposes the signal after receiving the signal and decomposes the signal into different sub-signals according to the comparison result.
Step eight: after the signal decomposition module finishes decomposition, the decomposed signals are transmitted to the model setting module to be amplified according to the preset amplification model, the results are converted into corresponding instructions according to the optimal amplification result tested by the model setting module and transmitted to the signal processing module, and the signals are transmitted to the radio frequency processing module after the signal processing module receives the sub-signals.
Step nine: after the radio frequency processing module receives the sub-signals, the radio frequency modulation module obtains radio frequency signals carrying modulated frequency by adopting amplitude modulation, after the radio frequency modulation is completed, the radio frequency modulation modules transmit the modulated frequency signals to the radio frequency amplification module to amplify the modulated frequency signals, after the radio frequency amplification module amplifies the modulated frequency signals, the sub-signals are transmitted to the radio frequency demodulation module, the radio frequency demodulation module receives the amplified radio frequency signals and restores the amplified modulated frequency signals into audio sub-signals, and the audio sub-signals are also amplified in a believable mode along with the amplification of the modulated frequency signals.
Step ten: after the radio frequency demodulation module finishes demodulation, the radio frequency processing module transmits the sub-signals to the signal synthesis module, and after the signal synthesis module receives the sub-signals, the sub-signals are restored and synthesized into original signals, transmitted to the signal sending module, and sent out the amplified signals.
Advantageous effects
The invention provides an audio signal amplification method, which has the following beneficial effects: according to the audio signal amplification method, the information acquisition module is arranged to acquire the user information, and the signal processing module and the comparison module are arranged to compare the user receiving frequency with the frequency after the signal amplification, so that the user requirements are met, and the user receiving range of the frequency is adapted to. Through setting up signal decomposition module, radio frequency processing module and signal synthesis module, can adjust the sub-signal of the different frequency channels of signal according to the demand for the fidelity effect of signal is better, also convenient to use more.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
In the figure: 1. a signal receiving module; 2. a central controller; 3. an information acquisition module; 4. an information analysis module; 5. a signal processing module; 6. a storage module; 7. a signal decomposition module; 8. a model setting module; 9. a radio frequency processing module; 10. a signal synthesis module; 11. a signal emitting module; 31. a frequency band configuration module; 32. an audio emission module; 33. a feedback receiving module; 51. a control module; 52. a logic operation module; 53. a register; 54. a comparison module; 91. a radio frequency modulation module; 92. a radio frequency amplification module; 93. and a radio frequency demodulation module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an audio signal amplification system comprises a signal receiving module 1, a central controller 2, an information acquisition module 3, an information analysis module 4, a signal processing module 5, a storage module 6, a signal decomposition module 7, a model setting module 8, a radio frequency processing module 9, a signal synthesis module 10 and a signal sending module 11, wherein the signal receiving module 1 is connected with the central controller 2 and sends a corresponding instruction according to a received signal, the central controller 2 is connected with the storage module 6 and is used for storing information, the signal processing module 5 is connected with the signal decomposition module 7 and decomposes the signal into different sub-signals according to a comparison result, the signal decomposition module 7 is connected with the model setting module 8, the model setting module 8 amplifies and selects the optimal sub-signal according to a preset amplification model, and the signal processing module 5 is connected with the model setting module 8, the signal processing module 5 is connected with the radio frequency processing module 9, generates corresponding radio frequency signals according to the sub-signals, and performs amplification processing, the radio frequency processing module 9 is connected with the signal synthesizing module 10, restores and synthesizes the sub-signals into original signals, and the signal synthesizing module 10 is connected with the signal sending module 11, and sends out amplified signals.
The central controller 2 is connected with the information acquisition module 3 to acquire user information, the information acquisition module 3 is connected with the information analysis module 4 to analyze audio, the information analysis module 4 is connected with the signal processing module 5 to process signals, the information acquisition module 3 comprises a frequency band configuration module 31, an audio sending module 32 and a feedback receiving module 33, the frequency band configuration module 31 is connected with the audio sending module 32 to send audio signals to determine acquisition frequency points, the audio sending module 32 is connected with the feedback receiving module 33 to receive determination signals fed back by users at a plurality of acquisition frequency points, the signal processing module 5 comprises a control module 51, a logic operation module 52, a register 53 and a comparison module 54, the control module 51 is connected with the logic operation module 52, the control module 51 sends out control instructions of each operation to be executed, the logic operation module 52 executes fixed-point arithmetic operation and logic operation according to a logic algorithm, the control module 51 is connected with the register 53, the intermediate and final operation results of the operand of the register 53 temporarily stored in the instruction execution process are stored, the control module 51 is connected with the comparison module 54, the frequency band which is not consistent with the frequency band received by the feedback receiving module 33 is found out through comparison, the logic operation module 52 is connected with the register 53, the register 53 is connected with the comparison module 54, the radio frequency processing module 9 comprises a radio frequency modulation module 91, a radio frequency amplification module 92 and a radio frequency demodulation module 93, the radio frequency modulation module 91 is connected with the radio frequency amplification module 92, the frequency modulation signal is amplified, the radio frequency amplification module 92 is connected with the radio frequency demodulation module 93, and the amplified frequency modulation signal is restored into an audio frequency sub-signal.
A method for amplifying an audio signal comprises the following specific steps:
the method comprises the following steps: the signal receiving module 1 receives a signal to be amplified, after the signal is received, the signal receiving module 1 transmits the signal to the central controller 2, after the central controller 2 receives the signal, the signal is transmitted to the storage module 6, and after the storage module 6 receives the signal, the signal is stored.
Step two: after receiving the signal, the central controller 2 transmits an instruction to the information acquisition module 3 to acquire user information, after the information acquisition module 3 receives the instruction, the frequency band configuration module 31 sets an initial frequency and a termination frequency, and after the setting is completed, the frequency band configuration module 31 transmits the instruction to the audio sending module 32.
Step three: after the audio sending module 32 receives the instruction, the audio sending module 32 determines a plurality of collection frequency points by increasing the frequency by a preset step length from the starting frequency, sends an audio signal at the plurality of collection frequency points until the ending frequency, transmits the instruction to the feedback receiving module 33 while sending the audio, and receives the determination signal fed back by the user at the plurality of collection frequency points according to the audio sent by the audio sending module 32 after the feedback receiving module 33 receives the instruction.
Step four: after the feedback receiving module 33 receives the fed back audio, the information acquisition module 3 transmits the acquired audio to the central controller 2 and the information analysis module 4, the central controller 2 transmits the information to the storage module 6 for storage after receiving the acquired information, and the information analysis module 4 analyzes the audio after receiving the acquired audio and transmits an analysis result to the signal processing module 5.
Step five: the central controller 2 transmits the signal to the signal processing module 5, after the signal processing module 5 receives the signal and the analysis result, the control module 51 decodes the signal and sends out a control instruction of each operation to be executed, the control module 51 transmits the corresponding control instruction to the logic operation module 52, and after the logic operation module 52 receives the instruction, the fixed point is executed to perform arithmetic operation and logic operation according to the logic algorithm, and the algorithm is transmitted to the register 53.
Step six: the control module 51 transmits the corresponding control instruction to the register 53, the register 53 stores the intermediate and final operation results of the operand of the register 53 temporarily stored in the instruction execution process after receiving the instruction, the control module 51 transmits the corresponding control instruction to the comparison module 54, the comparison module 54 compares the collected audio frequency and the signal according to the logic algorithm after receiving the instruction, finds out the frequency band which is not in line with the feedback receiving module 33, and temporarily stores the comparison process in the register 53.
Step seven: after the comparison module 54 compares the comparison result, the signal processing module 5 transmits the signal to the signal decomposition module 7, and after the signal decomposition module 7 receives the signal, the signal is decomposed into different sub-signals according to the comparison result.
Step eight: after the signal decomposition module 7 completes the decomposition, the decomposed signal is transmitted to the model setting module 8 to amplify the sub-signal according to the preset amplification model, the result is converted into a corresponding instruction according to the optimal amplification result tested by the model setting module 8 and is transmitted to the signal processing module 5, and the signal processing module 5 transmits the signal to the radio frequency processing module 9 after receiving the sub-signal.
Step nine: after the radio frequency processing module 9 receives the sub-signal, the radio frequency modulation module 91 obtains a radio frequency signal carrying a modulated frequency by adopting amplitude modulation, after the frequency modulation of the radio frequency modulation module 91 is completed, the modulated frequency signal is transmitted to the radio frequency amplification module 92 to amplify the modulated frequency signal, after the modulated frequency signal of the radio frequency amplification module 92 is amplified, the sub-signal is transmitted to the radio frequency demodulation module 93, the amplified modulated frequency signal is restored into an audio sub-signal by the radio frequency demodulation module 93 receiving the amplified radio frequency signal, and the audio sub-signal also obtains believed amplification along with the amplification of the modulated frequency signal.
Step ten: after the demodulation of the rf demodulation module 93 is completed, the rf processing module 9 transmits the sub-signals to the signal synthesis module 10, and after the signal synthesis module 10 receives the sub-signals, the sub-signals are restored and synthesized into the original signals, and transmitted to the signal sending module 11, and the amplified signals are sent out.
The invention has the beneficial effects that: according to the audio signal amplification method, the information acquisition module 3 is arranged to acquire the user information, and the signal processing module 5 and the comparison module 54 are arranged to compare the user receiving frequency with the frequency after signal amplification, so that the user requirement is met, and the user receiving range of the frequency is adapted to. Through setting up signal decomposition module 7, radio frequency processing module 9 and signal synthesis module 10, can adjust the sub-signal of the different frequency channels of signal according to the demand for the fidelity effect of signal is better, also convenient to use more.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an audio signal amplification system, includes signal reception module (1), central controller (2), information acquisition module (3), information analysis module (4), signal processing module (5), storage module (6), signal decomposition module (7), model setting module (8), radio frequency processing module (9), signal synthesis module (10) and signal transmission module (11), its characterized in that: the signal receiving module (1) is connected with the central controller (2), the central controller (2) is connected with the storage module (6), the signal processing module (5) is connected with the signal decomposition module (7), the signal decomposition module (7) is connected with the model setting module (8), the signal processing module (5) is connected with the radio frequency processing module (9), the radio frequency processing module (9) is connected with the signal synthesis module (10), and the signal synthesis module (10) is connected with the signal sending module (11).
2. An audio signal amplification system according to claim 1, wherein: the central controller (2) is connected with the information acquisition module (3), the information acquisition module (3) is connected with the information analysis module (4), and the information analysis module (4) is connected with the signal processing module (5).
3. An audio signal amplification system according to claim 1, wherein: the information acquisition module (3) comprises a frequency band configuration module (31), an audio emission module (32) and a feedback receiving module (33), the frequency band configuration module (31) is connected with the audio emission module (32), and the audio emission module (32) is connected with the feedback receiving module (33).
4. An audio signal amplification system according to claim 1, wherein: the signal processing module (5) comprises a control module (51), a logic operation module (52), a register (53) and a comparison module (54), wherein the control module (51) is connected with the logic operation module (52), the control module (51) is connected with the register (53), the control module (51) is connected with the comparison module (54), the logic operation module (52) is connected with the register (53), and the register (53) is connected with the comparison module (54).
5. An audio signal amplification system according to claim 1, wherein: the radio frequency processing module (9) comprises a radio frequency modulation module (91), a radio frequency amplification module (92) and a radio frequency demodulation module (93), the radio frequency modulation module (91) is connected with the radio frequency amplification module (92), and the radio frequency amplification module (92) is connected with the radio frequency demodulation module (93).
6. A method of amplifying an audio signal, comprising: the method comprises the following specific steps:
the method comprises the following steps: the signal to be amplified is received through the signal receiving module (1), after the signal is received, the signal receiving module (1) transmits the signal to the central controller (2), after the central controller (2) receives the signal, the signal is transmitted to the storage module (6), and after the storage module (6) receives the signal, the signal is stored;
step two: after receiving the signal, the central controller (2) transmits an instruction to the information acquisition module (3) for user information acquisition, after the information acquisition module (3) receives the instruction, the frequency band configuration module (31) sets an initial frequency and a termination frequency, and after the setting is finished, the frequency band configuration module (31) transmits the instruction to the audio emission module (32);
step three: after receiving the instruction, the audio sending module (32) determines a plurality of collecting frequency points by increasing the frequency by a preset step length from the starting frequency, sends an audio signal at the plurality of collecting frequency points until the ending frequency, transmits the instruction to the feedback receiving module (33) while the audio sending module (32) sends the audio, and receives a determination signal fed back by a user at the plurality of collecting frequency points according to the audio sent by the audio sending module (32) after the feedback receiving module (33) receives the instruction;
step four: after the feedback receiving module (33) receives the fed back audio, the information acquisition module (3) transmits the acquired audio to the central controller (2) and the information analysis module (4), the central controller (2) transmits the information to the storage module (6) for storage after receiving the acquired information, and the information analysis module (4) analyzes the audio after receiving the acquired audio and transmits an analysis result to the signal processing module (5);
step five: the central controller (2) transmits signals to the signal processing module (5), after the signal processing module (5) receives the signals and analysis results, the control module (51) decodes the signals and sends out control instructions of each operation to be executed, the control module (51) transmits the corresponding control instructions to the logic operation module (52), and after the logic operation module (52) receives the instructions, the fixed point performs arithmetic operation and logic operation according to a logic algorithm and transmits the algorithm to the register (53);
step six: the control module (51) transmits a corresponding control instruction to the register (53), the register (53) stores the intermediate operand of the register and the final operation result which are temporarily stored in the instruction execution process after receiving the instruction, the control module (51) transmits the corresponding control instruction to the comparison module (54), the comparison module (54) compares the collected audio frequency and the signal according to a logic algorithm after receiving the instruction, finds out the frequency band which is not in line with the feedback receiving module, and temporarily stores the comparison process in the register (53);
step seven: after the comparison result is obtained by the comparison module (54), the signal processing module (5) transmits the signal to the signal decomposition module (7), and the signal decomposition module (7) decomposes the signal after receiving the signal and decomposes the signal into different sub-signals according to the comparison result;
step eight: after the signal decomposition module (7) decomposes, the decomposed signal is transmitted to the model setting module (8) to amplify the sub-signal according to a preset amplification model, the result is converted into a corresponding instruction according to the optimal amplification result tested by the model setting module (8) and is transmitted to the signal processing module (5), and the signal processing module (5) transmits the signal to the radio frequency processing module (9) after receiving the sub-signal;
step nine: after the radio frequency processing module (9) receives the sub-signals, the radio frequency modulation module (91) obtains radio frequency signals carrying modulated frequency by adopting amplitude modulation, after the frequency modulation of the radio frequency modulation module (91) is completed, the modulated frequency signals are transmitted to the radio frequency amplification module (92) to amplify the modulated frequency signals, after the modulated frequency signals of the radio frequency amplification module (92) are amplified, the sub-signals are transmitted to the radio frequency demodulation module (93), the amplified modulated frequency signals are restored into audio sub-signals by the radio frequency demodulation module (93) after the amplified radio frequency signals are received, and the audio sub-signals are also amplified in a believable way along with the amplification of the modulated frequency signals;
step ten: after the radio frequency demodulation module (93) completes demodulation, the radio frequency processing module (9) transmits the sub-signals to the signal synthesis module (10), and after the signal synthesis module (10) receives the sub-signals, the sub-signals are restored and synthesized into original signals, transmitted to the signal sending module (11), and sent out the amplified signals.
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| CN201251923Y (en) * | 2008-08-04 | 2009-06-03 | 广东电子工业研究院有限公司 | Speech recognition controller |
| CN107509151A (en) * | 2016-06-14 | 2017-12-22 | 中兴通讯股份有限公司 | A kind of method and device for amplifying audio signal |
| CN109243414A (en) * | 2018-09-05 | 2019-01-18 | 厦门轻唱科技有限公司 | K sings system, wireless microphone and its signal transmitting apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1489283A (en) * | 2003-08-12 | 2004-04-14 | 余小宁 | High fidelity audio signal amplifying method |
| CN201251923Y (en) * | 2008-08-04 | 2009-06-03 | 广东电子工业研究院有限公司 | Speech recognition controller |
| CN107509151A (en) * | 2016-06-14 | 2017-12-22 | 中兴通讯股份有限公司 | A kind of method and device for amplifying audio signal |
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Application publication date: 20200407 |