CN114567346A - FM radio station integrated with voice recognition and signal receiving and transmitting method thereof - Google Patents
FM radio station integrated with voice recognition and signal receiving and transmitting method thereof Download PDFInfo
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- CN114567346A CN114567346A CN202210458000.0A CN202210458000A CN114567346A CN 114567346 A CN114567346 A CN 114567346A CN 202210458000 A CN202210458000 A CN 202210458000A CN 114567346 A CN114567346 A CN 114567346A
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- 230000005236 sound signal Effects 0.000 claims description 36
- 238000012545 processing Methods 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 24
- 230000003321 amplification Effects 0.000 claims description 20
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 20
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000004573 interface analysis Methods 0.000 claims description 6
- 238000003786 synthesis reaction Methods 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000000875 corresponding effect Effects 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000003993 interaction Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 3
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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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- 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
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
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- 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
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Astronomy & Astrophysics (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
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Abstract
The invention discloses an FM radio station integrated with voice recognition and a signal receiving and transmitting method thereof. By combining wireless voice transmission and voice recognition technologies, accurate and efficient control and information interaction between a pilot and a pod are realized under the condition that the original bus and avionic software of the airplane are not changed, the pod is more flexibly installed on the airplane, and the flexibility of airplane modification and upgrading is improved.
Description
Technical Field
The invention belongs to the technical field of wireless communication, and particularly relates to a voice recognition integrated FM radio station and a design of a signal receiving and transmitting method thereof.
Background
With the continuous development of aviation technology, the pod is more and more widely applied to various airplanes, and the additional installation of the pod can enable the airplane to have functions which are not possessed by the pod.
Data transmission between the pod and the airplane platform needs a communication interface, the existing wired transmission mode has the characteristics of safe and reliable transmission, but the control and information interaction between the airplane operation platform and the pod can be realized only by changing an airplane bus and changing airplane avionics software.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an FM radio station integrated with voice recognition and a signal receiving and transmitting method thereof, which realize the functions of control and information interaction between a pilot and a nacelle under the condition of not changing the original bus of an airplane and avionics software.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
an FM radio station integrated with voice recognition comprises a radio antenna, a power supply module, a baseband module, a power amplifier module and a voice processing module; the power amplifier module is connected to the baseband module through a control signal line, and the baseband module is connected to the voice processing module through a digital signal bus.
Furthermore, the radio station antenna is used for receiving the radio frequency signals sent by the airplane or transmitting the radio frequency signals to the airplane.
Further, the power amplifier module is used for performing radio frequency transceiving conversion, low noise power amplification and band-pass filtering on the wireless radio frequency signal to obtain an amplified signal; or performing band-pass filtering, power amplification and harmonic filtering on the mixing signal to obtain a wireless radio frequency signal.
Further, the baseband module comprises a radio frequency transceiving unit and a data signal processing unit.
The radio frequency transceiving unit is used for performing down-conversion and analog-to-digital conversion on the amplified signal to obtain a digital signal; or up-converting the modulation signal to obtain a mixing signal.
The data signal processing unit is used for carrying out digital voice FM demodulation, digital audio AGC and digital audio interface protocol conversion on the digital signal to obtain a digital audio signal; or carrying out digital audio interface analysis, digital audio AGC and digital voice FM modulation on the digital audio signal to obtain a modulation signal.
Furthermore, the voice processing module is used for carrying out voice recognition on the digital audio signal to obtain a text command; or carrying out voice synthesis on the state text command to obtain a digital audio signal.
Further, a specific method for performing speech recognition on the digital audio signal is as follows: and comparing the digital audio signal with the voice signal data in the voice database, identifying keywords, and converting the identified voice signal data into a text command.
Further, the power module is used for completing input EMI filtering, input reverse connection prevention, surge suppression, 50ms power-off energy storage protection, DC/DC conversion and output filtering functions.
The invention also provides a signal receiving method of the FM radio station integrated with the voice recognition, which comprises the following steps:
and A1, receiving the radio frequency signal transmitted by the airplane through the radio antenna.
And A2, performing radio frequency transceiving conversion, low-noise power amplification and band-pass filtering on the wireless radio frequency signal through a power amplification module to obtain an amplified signal.
And A3, performing down-conversion and analog-to-digital conversion on the amplified signal through a radio frequency transceiving unit in the baseband module to obtain a digital signal.
A4, carrying out digital voice FM demodulation, digital audio AGC and digital audio interface protocol conversion on the digital signal through a data signal processing unit in the baseband module to obtain a digital audio signal.
And A5, performing voice recognition on the digital audio signal through a voice processing module to obtain a text command.
And A6, sending the text command to the control host, and controlling the pod to execute corresponding action according to the text command by the control host.
Further, the specific method for performing speech recognition on the digital audio signal in step a5 is as follows: and comparing the digital audio signal with the voice signal data in the voice database, identifying keywords, and converting the identified voice signal data into a text command.
The invention also provides a signal transmitting method of the FM radio station integrated with the voice recognition, which comprises the following steps:
b1, receiving the status text command sent by the control host through the voice processing module, and carrying out voice synthesis on the status text command to obtain a digital audio signal.
B2, carrying out digital audio interface analysis, digital audio AGC and digital voice FM modulation on the digital audio signal through a data signal processing unit in the baseband module to obtain a modulation signal.
And B3, performing up-conversion on the modulation signal through a radio frequency transceiving unit in the baseband module to obtain a mixing signal.
And B4, performing band-pass filtering, power amplification and harmonic filtering on the mixing signal through a power amplification module to obtain a wireless radio frequency signal.
And B5, transmitting the radio frequency signal to the airplane through the radio antenna.
The invention has the beneficial effects that: by combining wireless voice transmission and voice recognition technologies, accurate and efficient control and information interaction between a pilot and a pod are realized under the condition that the original bus and avionic software of the airplane are not changed, the pod is more flexibly installed on the airplane, and the flexibility of airplane modification and upgrading is improved.
Drawings
Fig. 1 is a block diagram of an FM radio station integrated with speech recognition according to an embodiment of the present invention.
Fig. 2 is a flowchart of a signal receiving method of an FM radio station integrated with speech recognition according to a second embodiment of the present invention.
Fig. 3 is a flowchart of a signal transmitting method of an FM radio station integrated with speech recognition according to a third embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the invention as defined and defined in the appended claims, and all matters produced by the invention using the inventive concept are protected.
The first embodiment is as follows:
the embodiment of the invention provides an FM radio station integrated with voice recognition, which comprises a radio station antenna, a power supply module, a baseband module, a power amplifier module and a voice processing module, wherein the radio station antenna is connected with the power supply module; the power amplifier module is connected to the baseband module through a control signal line, and the baseband module is connected to the voice processing module through a digital signal bus.
In the embodiment of the invention, the power signal wire is a signal wire for providing a direct-current voltage signal for the baseband module, the power amplification module and the voice processing module by the power module; the radio frequency signal wire is a coaxial cable for transmitting radio frequency signals between the power amplifier module and the radio station antenna and the baseband module, and the impedance characteristic of the radio frequency signal wire is 50 omega; the control signal line is a signal line for the baseband module to control the power amplification module to receive and transmit; the digital signal bus is a signal line for transmitting digital audio between the baseband module and the voice processing module.
In the embodiment of the invention, the voice processing module is also in communication connection with the control host.
In the embodiment of the invention, the radio station antenna is used for receiving the radio frequency signals sent by the airplane or transmitting the radio frequency signals to the airplane.
In the embodiment of the invention, the power amplification module is used for carrying out radio frequency transceiving conversion, low-noise power amplification and band-pass filtering on a wireless radio frequency signal to obtain an amplified signal; or performing band-pass filtering, power amplification and harmonic filtering on the mixing signal to obtain a wireless radio frequency signal.
In the embodiment of the invention, the power amplifier module is also used for realizing the functions of power control, standing wave protection and over-temperature protection.
In the embodiment of the invention, the baseband module comprises a radio frequency transceiving unit and a data signal processing unit.
The radio frequency transceiving unit is used for performing down-conversion and analog-to-digital conversion on the amplified signal to obtain a digital signal; or up-converting the modulation signal to obtain a mixing signal.
The data signal processing unit is used for carrying out digital voice FM demodulation, digital audio AGC and digital audio interface protocol conversion on the digital signal to obtain a digital audio signal; or carrying out digital audio interface analysis, digital audio AGC and digital voice FM modulation on the digital audio signal to obtain a modulation signal.
In the embodiment of the invention, the data signal processing unit is also used for realizing the functions of data packing and analyzing, working mode response and parameter configuration.
In the embodiment of the invention, the voice processing module is used for carrying out voice recognition on the digital audio signal to obtain a text command; or carrying out voice synthesis on the state text command to obtain a digital audio signal.
In the embodiment of the present invention, a specific method for performing speech recognition on a digital audio signal is as follows: and comparing the digital audio signal with the voice signal data in the voice database, identifying keywords, and converting the identified voice signal data into a text command.
In the embodiment of the invention, the power supply module is used for completing input EMI filtering, input reverse connection prevention, surge suppression, 50ms power-off energy storage protection, DC/DC conversion and output filtering functions.
Example two:
the embodiment of the invention provides a signal receiving method of an FM radio station integrated with voice recognition, which comprises the following steps A1-A6 as shown in figure 2:
and A1, receiving the radio frequency signal transmitted by the airplane through the radio antenna.
And A2, performing radio frequency transceiving conversion, low-noise power amplification and band-pass filtering on the wireless radio frequency signal through a power amplification module to obtain an amplified signal.
And A3, performing down-conversion and analog-to-digital conversion on the amplified signal through a radio frequency transceiving unit in the baseband module to obtain a digital signal.
A4, carrying out digital voice FM demodulation, digital audio AGC and digital audio interface protocol conversion on the digital signal through a data signal processing unit in the baseband module to obtain a digital audio signal.
And A5, performing voice recognition on the digital audio signal through a voice processing module to obtain a text command.
In the embodiment of the invention, the specific method for carrying out voice recognition on the digital audio signal comprises the following steps: and comparing the digital audio signal with the voice signal data in the voice database, identifying keywords, and converting the identified voice signal data into a text command.
And A6, sending the text command to the control host, and controlling the pod to execute corresponding action according to the text command by the control host.
Example three:
the embodiment of the invention provides a signal transmitting method of an FM radio station integrated with voice recognition, which comprises the following steps B1-B5 as shown in FIG. 3:
and B1, receiving the status text command sent by the control host through the voice processing module, and carrying out voice synthesis on the status text command to obtain a digital audio signal.
B2, carrying out digital audio interface analysis, digital audio AGC and digital voice FM modulation on the digital audio signal through a data signal processing unit in the baseband module to obtain a modulation signal.
B3, performing up-conversion on the modulation signal through a radio frequency transceiving unit in the baseband module to obtain a mixing signal.
And B4, performing band-pass filtering, power amplification and harmonic filtering on the mixing signal through a power amplification module to obtain a wireless radio frequency signal.
And B5, transmitting the radio frequency signal to the airplane through the radio antenna.
By combining wireless voice transmission and voice recognition technologies, accurate and efficient control and information interaction between a pilot and a pod are realized under the condition that the original bus and avionic software of the airplane are not changed, the pod is more flexibly installed on the airplane, and the flexibility of airplane modification and upgrading is improved.
Claims (10)
1. An FM radio station integrated with voice recognition is characterized by comprising a radio antenna, a power supply module, a baseband module, a power amplifier module and a voice processing module; the radio station antenna is connected to the power amplifier module through a radio frequency signal wire, the power amplifier module is connected to the baseband module through a radio frequency signal wire, the power amplifier module is further connected to the baseband module through a control signal wire, and the baseband module is connected to the voice processing module through a digital signal bus.
2. An FM radio with integrated speech recognition as claimed in claim 1, wherein the radio antenna is adapted to receive radio frequency signals from or transmit radio frequency signals to an aircraft.
3. The FM radio station integrated with voice recognition according to claim 1, wherein the power amplifier module is configured to perform RF transceiving conversion, low noise power amplification and band pass filtering on a wireless RF signal to obtain an amplified signal; or performing band-pass filtering, power amplification and harmonic filtering on the mixing signal to obtain a wireless radio frequency signal.
4. The FM radio station with integrated voice recognition according to claim 1, wherein the baseband module comprises a radio frequency transceiver unit and a data signal processing unit;
the radio frequency transceiving unit is used for performing down-conversion and analog-to-digital conversion on the amplified signal to obtain a digital signal; or up-converting the modulation signal to obtain a mixing signal;
the data signal processing unit is used for carrying out digital voice FM demodulation, digital audio AGC and digital audio interface protocol conversion on the digital signal to obtain a digital audio signal; or carrying out digital audio interface analysis, digital audio AGC and digital voice FM modulation on the digital audio signal to obtain a modulation signal.
5. The FM radio station with integrated voice recognition of claim 1, wherein the voice processing module is configured to perform voice recognition on the digital audio signal to obtain a text command; or carrying out voice synthesis on the state text command to obtain a digital audio signal.
6. The FM radio station integrated with speech recognition according to claim 5, wherein the specific method for performing speech recognition on the digital audio signal is as follows: and comparing the digital audio signal with the voice signal data in the voice database, identifying keywords, and converting the identified voice signal data into a text command.
7. The FM radio station with integrated voice recognition of claim 1, wherein the power module is configured to perform input EMI filtering, input reverse connection prevention, surge suppression, 50ms power-off energy storage protection, DC/DC conversion, and output filtering functions.
8. A signal receiving method of an FM radio station integrated with voice recognition is characterized by comprising the following steps:
a1, receiving a radio frequency signal sent by an airplane through a radio antenna;
a2, performing radio frequency transceiving conversion, low-noise power amplification and band-pass filtering on the wireless radio frequency signal through a power amplification module to obtain an amplified signal;
a3, performing down-conversion and analog-to-digital conversion on the amplified signal through a radio frequency transceiving unit in the baseband module to obtain a digital signal;
a4, performing digital voice FM demodulation, digital audio AGC and digital audio interface protocol conversion on the digital signal through a data signal processing unit in the baseband module to obtain a digital audio signal;
a5, performing voice recognition on the digital audio signal through a voice processing module to obtain a text command;
and A6, sending the text command to the control host, and controlling the pod to execute corresponding action according to the text command by the control host.
9. The method as claimed in claim 8, wherein the step a5 of speech-recognizing the digital audio signal comprises: and comparing the digital audio signal with the voice signal data in the voice database, identifying keywords, and converting the identified voice signal data into a text command.
10. A signal transmission method for an FM radio station integrated with speech recognition, comprising the steps of:
b1, receiving a state text command sent by the control host through the voice processing module, and carrying out voice synthesis on the state text command to obtain a digital audio signal;
b2, carrying out digital audio interface analysis, digital audio AGC and digital voice FM modulation on the digital audio signal through a data signal processing unit in the baseband module to obtain a modulation signal;
b3, performing up-conversion on the modulation signal through a radio frequency transceiving unit in the baseband module to obtain a mixing signal;
b4, performing band-pass filtering, power amplification and harmonic filtering on the mixing signal through a power amplifier module to obtain a wireless radio frequency signal;
and B5, transmitting the radio frequency signal to the airplane through the radio antenna.
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| CN202210458000.0A CN114567346A (en) | 2022-04-28 | 2022-04-28 | FM radio station integrated with voice recognition and signal receiving and transmitting method thereof |
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| CN202210458000.0A CN114567346A (en) | 2022-04-28 | 2022-04-28 | FM radio station integrated with voice recognition and signal receiving and transmitting method thereof |
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