CN106603855A - FM music transmission realizing method and FM music transmission system for mobile terminals - Google Patents
FM music transmission realizing method and FM music transmission system for mobile terminals Download PDFInfo
- Publication number
- CN106603855A CN106603855A CN201611207557.8A CN201611207557A CN106603855A CN 106603855 A CN106603855 A CN 106603855A CN 201611207557 A CN201611207557 A CN 201611207557A CN 106603855 A CN106603855 A CN 106603855A
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- signal
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- 238000000034 method Methods 0.000 title claims abstract description 71
- 230000005540 biological transmission Effects 0.000 title claims abstract description 38
- 230000009467 reduction Effects 0.000 claims abstract description 39
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims description 50
- 238000004088 simulation Methods 0.000 claims description 16
- 238000000611 regression analysis Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72442—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality for playing music files
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/26—Pre-filtering or post-filtering
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/003—Changing voice quality, e.g. pitch or formants
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Quality & Reliability (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Function (AREA)
Abstract
The invention discloses an FM music transmission realizing method and an FM music transmission system for mobile terminals. The method comprises the following steps: receiving a music signal broadcasted by the FM of a transmitting device; carrying out analog-to-digital conversion and filtering on the music signal broadcasted by the FM; making an analog reduction analysis of a digital signal obtained after processing; judging whether the digital signal after analog reduction is consistent with the music signal broadcasted by the FM of the transmitting device; and when the digital signal after analog reduction is consistent with the music signal broadcasted by the FM of the transmitting device, sending the digital signal to other devices. According to the invention, the music signal is filtered, and whether the filtered signal after analog reduction is consistent with the original music signal is verified, so that the original music signal can maintain the same quality as on the original device after transmission, interference like noise is not produced, and it is ensured that users can hear high-quality music.
Description
Technical field
The present invention relates to the FM transmission fields of mobile terminal, the realization of the FM music transmissions of more particularly to a kind of mobile terminal
Method and system.
Background technology
With the development and the continuous improvement of people's living standard of mobile communication, the use of mobile phone is increasingly popularized, mobile phone
Have become indispensable means of communication in people's life.Such as many users like being broadcast using vehicle-mounted music when driving
Put device play mobile phone on FM play music, but the FM music transmission functions of the mobile phone of prior art, the note for transmitting out
Matter is not good, and noise is serious, sometimes even can be entirely different with the music effect that original equipment is played, and causes user to set listening to other
High tone quality can not be enjoyed during the music of standby FM transmission.
Thus prior art could be improved and improve.
The content of the invention
In view of above-mentioned the deficiencies in the prior art part, it is an object of the invention to provide a kind of FM music of mobile terminal is passed
Defeated realization method and system, can be such that the music tonequality that FM is played substantially indiscriminate transmits to miscellaneous equipment.
In order to achieve the above object, this invention takes technical scheme below：
A kind of implementation method of the FM music transmissions of mobile terminal, comprises the steps：
The music signal that A, the FM of reception transmitting equipment are played；
B, the music signal to FM broadcastings carry out analog-to-digital conversion and filtering process；
C, regression analysis is simulated to the data signal after process, judge data signal simulation reduce after whether with transmitting
The music signal that the FM of equipment transmitting is played is consistent；
D, when the data signal simulate reduction after with transmitting equipment transmitting FM play music signal it is consistent when, by numeral letter
Number send to miscellaneous equipment.
Further, also include between step A and step B：
A01, transmission interrupt signal to central processing unit, ask the music signal played to FM to process；
A02, the music signal for calling control instruction process FM broadcastings.
Specifically, step B includes：
The music signal that B1, the FM to receiving are played carries out analog-to-digital conversion；
B2, process is filtered to the signal after analog-to-digital conversion.
Specifically, step C includes：
Data signal after C1, collection filtering process；
C2, the data signal to gathering are simulated reduction, judge to simulate the music the letter whether signal after reduction is played with FM
It is number consistent.
Further, step D also includes：
When inconsistent with the music signal that FM is played after data signal is simulated reduction, repeat step C1, until collection
When data signal is simulated consistent with the music signal that FM is played after reduction, the data signal of collection is sent to other and is set
It is standby.
A kind of FM music transmission systems of mobile terminal, including：
Signal receiving module, the music signal that the FM for receiving the transmitting of transmitting equipment is played；
Signal processing module, for carrying out analog-to-digital conversion and filtering process to the music signal that the FM is played；
Signal analysis module, for being simulated regression analysis to the data signal after process, judges the data signal simulation
It is whether consistent with the music signal that the FM of transmitting equipment transmitting is played after reduction；
Signal emission module, for the music signal played with the FM of transmitting equipment transmitting after the data signal is simulated and reduced
When consistent, data signal is sent to miscellaneous equipment.
Further, the system also includes：
Signal transacting request module, for sending interrupt signal to central processing unit, asks the music signal played to FM to carry out
Process；
Processor module, for calling control instruction to process the music signal that FM is played.
Specifically, the signal processing module includes：
AD conversion unit, for analog-to-digital conversion will to be carried out to the music signal that the FM for receiving is played；
Filter unit, for being filtered process to the signal after analog-to-digital conversion.
Specifically, the signal analysis module includes：
Collecting unit, for gathering filtering process after data signal；
Simulation regression analysis unit, for being simulated reduction to the data signal for gathering, judges that the signal after simulation reduction is
It is no consistent with FM is played music signal.
Further, the signal emission module is additionally operable to what is played with FM after data signal is simulated and reduces
When music signal is inconsistent, the data signal after repeated acquisition filtering process, until the data signal of collection is simulated reduction
When consistent with the music signal that FM is played afterwards, the data signal of collection is sent to miscellaneous equipment.
The realization method and system of the FM music transmissions of the mobile terminal provided compared to prior art, the present invention, it is described
Method includes the music signal that the FM for receiving transmitting equipment is played；Analog-to-digital conversion and filter are carried out to the music signal that the FM is played
Ripple process；Regression analysis is simulated to the data signal after process, judge after data signal simulation reduction whether with
The music signal that the FM of jet device transmitting is played is consistent；Broadcast with the FM of transmitting equipment transmitting after the data signal is simulated to reduce
When the music signal put is consistent, data signal is sent to miscellaneous equipment.The present invention by being filtered process to music signal,
And verify whether consistent with former music signal after filtered signal imitation reduction, so as to be further ensured that former music signal is being passed
Remain to after defeated keep with original equipment on tonequality, and will not produce noise etc. interference, it is ensured that user can uppick high tone quality sound
It is happy.
Description of the drawings
Fig. 1 is the flow chart of the implementation method of the FM music transmissions of mobile terminal provided by the present invention.
Fig. 2 is in the implementation method of FM music transmissions of mobile terminal provided by the present invention, step S3 it is concrete
Flow chart.
Fig. 3 is in the implementation method of FM music transmissions of mobile terminal provided by the present invention, step S4 it is concrete
Flow chart.
Fig. 4 is the structured flowchart of the FM music transmission systems of mobile terminal provided by the present invention.
Specific embodiment
The present invention provides a kind of realization method and system of the FM music transmissions of mobile terminal, for make the purpose of the present invention,
Technical scheme and effect are clearer, clear and definite, and the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.Should
Understand, specific embodiment described herein only to explain the present invention, is not intended to limit the present invention.
Fig. 1 is referred to, the implementation method of the FM music transmissions of mobile terminal provided by the present invention includes：
The music signal that S1, the FM of reception transmitting equipment are played；
S2, the music signal to FM broadcastings carry out analog-to-digital conversion and filtering process；
S3, regression analysis is simulated to the data signal after process, judge after data signal simulation reduction whether with
The music signal that the FM of jet device transmitting is played is consistent；
S4, when the data signal simulate reduction after with transmitting equipment transmitting FM play music signal it is consistent when, by numeral
Signal is sent to miscellaneous equipment.
Specifically, the transmitting equipment is intelligent mobile terminal or flat board, equipped with FM music player softwares, the step
Before S1, the FM signal emission modules of the intelligent mobile terminal or flat board send FM currently playing music signal.
Also include between step S1 and S2：
S01, transmission interrupt signal to central processing unit, ask the music signal played to FM to process；
S02, the music signal for calling control instruction process FM broadcastings.
In step S01, interrupt signal is request signal, and central processing unit is received after interrupt signal, control signal
Processing module carries out signal transacting work.
In step S02, control instruction works for control signal processing module, when central processing unit calls control to refer to
After order, that is, controlling the signal processing module carries out signal transacting.
Fig. 2 is referred to, step S2 is specifically included：
The music signal that S21, the FM to receiving are played carries out analog-to-digital conversion；
S22, process is filtered to the signal after analog-to-digital conversion.
In step S21, music signal is converted to into data signal after the music signal for receiving FM broadcastings, so as to it
Its equipment to be received and can carry out algorithm process to signal after signal.
In step S22, the music signal that FM is played will necessarily produce interference signal when sending, can be to music
The features such as audio produce impact, have a strong impact on tonequality, the noise in music can be filtered after process is filtered, it is ensured that music
Tonequality.
Fig. 3 is referred to, step S3 includes：
Data signal after S31, collection filtering process；
S32, the data signal to gathering are simulated reduction, judge the signal after reducing whether with the music signal one of FM broadcastings
Cause.
Specifically, after music signal carries out digital-to-analogue conversion and filtering, the data signal after acquisition process, and it is entered
Row simulation regression analysis, judges whether the signal after simulation reduction is consistent with the music signal that FM is played, it is to avoid music letter occur
Number transmission when serious distortion result, or even occur process signal be not former music signal situation, it is ensured that user can listen
To the music that the FM of original equipment is played.
When being embodied as, when the signal after simulation reduction is consistent with the music signal that FM is played, just can be by filtering
Data signal after reason sends, i.e., when the data signal to collection transmission is simulated reduction, the music letter with FM transmittings
When number consistent, described data signal etc. is to be output to miscellaneous equipment.
Further, step S4 also includes：
When inconsistent with the music signal that FM is played after data signal is simulated reduction, repeat step S31, until collection
When data signal is simulated consistent with the music signal that FM is played after reduction, the data signal of collection is sent to other and is set
It is standby.
Specifically, after the data signal of collection transmission is simulated reduction, the analog signal launched with the FM is not
When consistent, repeat step S31 is acquired and is simulated again regression analysis to the data signal for exporting.Until when collection is passed
Defeated data signal is simulated after reduction, and when consistent with the analog signal of FM transmittings, stopping is adopted to data signal
Collection.Then, the data signal etc. is to be output to miscellaneous equipment.
The other equipment can be one, alternatively multiple, the music letter that the transmitting equipment simultaneously can play FM
Number transmit to multiple equipment, miscellaneous equipment can be similarly intelligent mobile terminal or flat board, can also be vehicle-carrying music player
Deng smart machine, the present invention can realize diversified application by FM transmission.
Further, also include after step S4：
S5, the miscellaneous equipment receive the data signal, and data signal is decoded；
S6, decoded signal is carried out algorithm process, and be converted to voice analog signal；
S7, voice analog signal is exported by player.
Specifically, when the data signal is sent to the signal receiving unit of miscellaneous equipment, the signal receiving unit
Receive the data signal, output to the signal encoding/decoding module.The signal encoding/decoding module sends decoding please
Signal is sought, and according to the decoding request signal, output decoding enables signal to the signal encoding/decoding module, the letter
The data signal of the signal receiving unit output of number equipment described in coding/decoding module decoding process.
The data signal of the signal encoding/decoding module decoding output is processed to audio processing modules, at the audio frequency
The data signal is carried out algorithm process by reason module, and output carries out digital-to-analogue conversion, and the speech simulation that will be exported to inside it
Signal is exported by the player of the equipment.
Based on said method, the present invention also correspondingly provides a kind of FM music transmission systems of mobile terminal, including：
Signal receiving module 10, the music signal that the FM for receiving the transmitting of transmitting equipment is played；
Signal processing module 20, for carrying out analog-to-digital conversion and filtering process to the music signal that the FM is played；
Signal analysis module 30, for being simulated regression analysis to the data signal after process, judges the data signal mould
Intend whether consistent with the music signal that the FM of transmitting equipment transmitting is played after reduction；
Signal emission module 40, for the music letter played with the FM of transmitting equipment transmitting after the data signal is simulated and reduced
When number consistent, data signal is sent to miscellaneous equipment.
Further, the system also includes：
Signal transacting request module, for sending interrupt signal to central processing unit, asks the music signal played to FM to carry out
Process；
Processor module, for calling control instruction to process the music signal that FM is played.
Specifically, the signal processing module includes：
AD conversion unit, for analog-to-digital conversion will to be carried out to the music signal that the FM for receiving is played；
Filter unit, for being filtered process to the signal after analog-to-digital conversion.
Specifically, the signal analysis module includes：
Collecting unit, for gathering filtering process after data signal；
Simulation regression analysis unit, for being simulated reduction to the data signal for gathering, judges that the signal after simulation reduction is
It is no consistent with FM is played music signal.
Further, the signal emission module 40 is additionally operable to be played with FM after data signal is simulated and reduces
Music signal it is inconsistent when, the data signal after repeated acquisition filtering process, until the data signal of collection is simulated also
When consistent with the music signal that FM is played after original, the data signal of collection is sent to miscellaneous equipment.
Due to being described in detail to the implementation method of the FM music transmissions of mobile terminal above, will not be described here.
In sum, the present invention is by being filtered process to music signal, and verifies filtered signal imitation reduction
It is whether consistent with former music signal afterwards, so as to be further ensured that former music signal remains to keep and the sound on original equipment after transport
Matter, and will not produce noise etc. interference, it is ensured that user can uppick high tone quality music.
It is understood that for those of ordinary skills, with technology according to the present invention scheme and its can send out
Bright design in addition equivalent or change, and all these changes or replace the guarantor that should all belong to appended claims of the invention
Shield scope.
Claims (10)
1. the implementation method of the FM music transmissions of a kind of mobile terminal, it is characterised in that comprise the steps：
The music signal that A, the FM of reception transmitting equipment are played；
B, the music signal to FM broadcastings carry out analog-to-digital conversion and filtering process；
C, regression analysis is simulated to the data signal after process, judge data signal simulation reduce after whether with transmitting
The music signal that the FM of equipment transmitting is played is consistent；
D, when the data signal simulate reduction after with transmitting equipment transmitting FM play music signal it is consistent when, by numeral letter
Number send to miscellaneous equipment.
2. the implementation method of the FM music transmissions of mobile terminal according to claim 1, it is characterised in that step A
Also include and step B between：
A01, transmission interrupt signal to central processing unit, ask the music signal played to FM to process；
A02, the music signal for calling control instruction process FM broadcastings.
3. the implementation method of the FM music transmissions of mobile terminal according to claim 1, it is characterised in that step B
Including：
The music signal that B1, the FM to receiving are played carries out analog-to-digital conversion；
B2, process is filtered to the signal after analog-to-digital conversion.
4. the implementation method of the FM music transmissions of mobile terminal according to claim 1, it is characterised in that step C
Including：
Data signal after C1, collection filtering process；
C2, the data signal to gathering are simulated reduction, judge to simulate the music the letter whether signal after reduction is played with FM
It is number consistent.
5. the implementation method of the FM music transmissions of mobile terminal according to claim 4, it is characterised in that step D
Also include：
When inconsistent with the music signal that FM is played after data signal is simulated reduction, repeat step C1, until collection
When data signal is simulated consistent with the music signal that FM is played after reduction, the data signal of collection is sent to other and is set
It is standby.
6. FM music transmission systems of a kind of mobile terminal, it is characterised in that include：
Signal receiving module, the music signal that the FM for receiving the transmitting of transmitting equipment is played；
Signal processing module, for carrying out analog-to-digital conversion and filtering process to the music signal that the FM is played；
Signal analysis module, for being simulated regression analysis to the data signal after process, judges the data signal simulation
It is whether consistent with the music signal that the FM of transmitting equipment transmitting is played after reduction；
Signal emission module, for the music signal played with the FM of transmitting equipment transmitting after the data signal is simulated and reduced
When consistent, data signal is sent to miscellaneous equipment.
7. FM music transmission systems of mobile terminal according to claim 6, it is characterised in that also include：
Signal transacting request module, for sending interrupt signal to central processing unit, asks the music signal played to FM to carry out
Process；
Processor module, for calling control instruction to process the music signal that FM is played.
8. FM music transmission systems of mobile terminal according to claim 6, it is characterised in that the signal processing module
Including：
AD conversion unit, for analog-to-digital conversion will to be carried out to the music signal that the FM for receiving is played；
Filter unit, for being filtered process to the signal after analog-to-digital conversion.
9. FM music transmission systems of mobile terminal according to claim 6, it is characterised in that the signal analysis module
Including：
Collecting unit, for gathering filtering process after data signal；
Simulation regression analysis unit, for being simulated reduction to the data signal for gathering, judges that the signal after simulation reduction is
It is no consistent with FM is played music signal.
10. FM music transmission systems of mobile terminal according to claim 9, it is characterised in that the signal launches mould
Block is additionally operable to when inconsistent with the music signal that FM is played after data signal is simulated reduction, after repeated acquisition filtering process
Data signal, until collection data signal be simulated reduction after with FM play music signal it is consistent when, by collection
Data signal is sent to miscellaneous equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207557.8A CN106603855B (en) | 2016-12-23 | 2016-12-23 | Method and system for realizing FM (frequency modulation) music transmission of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611207557.8A CN106603855B (en) | 2016-12-23 | 2016-12-23 | Method and system for realizing FM (frequency modulation) music transmission of mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106603855A true CN106603855A (en) | 2017-04-26 |
| CN106603855B CN106603855B (en) | 2021-02-19 |
Family
ID=58603577
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611207557.8A Active CN106603855B (en) | 2016-12-23 | 2016-12-23 | Method and system for realizing FM (frequency modulation) music transmission of mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110472094A (en) * | 2019-08-06 | 2019-11-19 | 沈阳大学 | A kind of traditional music input method |
| CN115835111A (en) * | 2022-10-20 | 2023-03-21 | 武汉海微科技有限公司 | Signal detection circuit, method and device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106603855B (en) | 2021-02-19 |
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