CN102655575B - Audio frequency transmission method and video-audio playing system in video-audio playing system - Google Patents
Audio frequency transmission method and video-audio playing system in video-audio playing system Download PDFInfo
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Abstract
The present invention relates to multimedia video, discloses the audio frequency transmission method and video-audio playing system in a kind of video-audio playing system.In the present invention, remote control indicates the frequency of the audio signal that player is provided for transmitting frequency modulation, and the frequency of setting is fed back to remote control after the setting for completing frequency by player.Remote control receives the audio signal of the frequency modulation that player is launched on the frequency on the frequency, and the audio signal for receiving is exported by earphone.Due to the audio signal that frequency modulation can be transmitted between player and remote control, therefore can listen to the content of audio-visual broadcasting, reduce the length of earphone cord with wireless form, and support broadcast, the number listened need not be limited, it is not required that corresponding reception earphone is equipped with for everyone, it is with low cost.
Description
Technical field
The present invention relates to the audio frequency reception technique in multimedia video, more particularly to video-audio playing system.
Background technology
Traditional home audio-visual system is as shown in figure 1, be made up of three parts：Television set, player, remote control.Wherein
For being controlled to player and TV, sound and image are all presented remote control by TV.Specifically, remote control is by bag
The infrared transmission module for containing sends corresponding control information to television set and player, and player and TV are controlled；Electricity
Depending on machine and player by the infrared receiving module for including, the control information from remote control is received.
In video-audio playing system, the audio frequency of broadcasting is played out by the speaker of external speaker or TV.Such as
Fruit needs to receive audio frequency with wireless form, then need to use wireless headset.At present, generally pass through Bluetooth receptions ANTENNAUDIO.
However, it was found by the inventors of the present invention that bluetooth does not support broadcast, limit the number of the people for listening, and general family
Movie theatre, the number of viewing is indefinite, if providing corresponding reception earphone to greatest extent, cost can be very high, limits
Application.
The content of the invention
It is an object of the invention to provide the audio frequency transmission method and video-audio playing system in a kind of video-audio playing system, with
Lower cost realizes wireless audio reception.
To solve above-mentioned technical problem, embodiments of the present invention provide the audio transmission in a kind of video-audio playing system
Method, video-audio playing system include remote control and player, and the remote control and player are used to receiving and sending audio signal, should
Audio frequency transmission method in video-audio playing system is comprised the steps of：
Remote control indicates that player is provided for transmitting the frequency of audio signal, audio signal of the audio signal for frequency modulation；
The frequency of setting is fed back to remote control after the setting for completing frequency by player；
Player launches the audio signal of frequency modulation on frequency, and remote control receives the audio signal of frequency modulation on frequency, and
The audio signal for receiving is exported by earphone.
Embodiments of the present invention additionally provide a kind of video-audio playing system, comprising remote control and player, remote control bag
Contain：
Control information sending module, for the instruction for arranging frequency is sent to player；
Frequency point information receiver module, for receiving the frequency that the player is arranged from player；
Audio signal reception module, for the audio signal of the frequency modulation of player transmitting is received on frequency；
Earphone power amplifier module, the audio signal of the frequency modulation for audio signal reception module is received are exported by earphone；
Player is included：
Control information receiver module, for receiving the instruction of the setting frequency from remote control；
Frequency point setting module, for receiving after the instruction of remote control in control information receiver module, is provided for passing
The frequency of the audio signal of defeated frequency modulation；
Frequency point information sending module, for sending the frequency that frequency point setting module is arranged to remote control；
Audio signal transmitter module, for the frequency arranged in frequency point setting module, launches the audio signal of frequency modulation.
Compared with prior art, the main distinction and its effect are embodiment of the present invention：
Remote control indicates the frequency of the audio signal that player is provided for transmitting frequency modulation, and player completes setting for frequency
Postpone, the frequency of setting is fed back to into remote control.Remote control receives the frequency modulation that player is launched on the frequency on the frequency
Audio signal, and by the audio signal for receiving by earphone export.As tune can be transmitted between player and remote control
The audio signal of frequency, therefore the content of audio-visual broadcasting can be listened to wireless form, the length of earphone cord is reduced, and is supported
Broadcast, it is not necessary to the number that restriction is listened, it is not required that be equipped with corresponding reception earphone for everyone, it is with low cost, set not increasing
Easily function is realized on the basis of standby.
Further, after player completes the setting of frequency, test signal need to also be launched on frequency, remote control will be received
The intensity feedback of the test signal for arriving adjusts audio signal to player, intensity of the player according to the test signal of feedback
Transmission power, ensures that, be reduced as far as
The interference caused by other channels.
Further, remote control sends the control information for arranging frequency by infrared ray to player, and player is by frequency
Remote control is fed back to by infrared ray.It is due to inherently possessing infrared emission function in remote control therefore distant by being multiplexed
The infrared control function of control device, not only realizes Based Intelligent Control, while and reducing cost and material.
Further, the frequency for transmitting audio signal can be arranged using manual mode, it would however also be possible to employ automatic mold
Formula is arranged so that the present invention is suitable for flexible and changeable application scenarios.
Further, when being provided for transmitting the frequency of audio signal using automatic mode, by the idle frequency for detecting
Point is shown to user by display device (such as telescreen), is confirmed for user, and the idle frequency that Jing user confirms is set
It is set to for transmitting the frequency of audio signal.As the idle frequency for searching automatically is the intensity of signal under the present circumstances
Less than the frequency of threshold value, do not ensure that the intensity of the signal within a period of time afterwards is consistently less than threshold value, therefore by user
Idle frequency to searching automatically confirms, it is possible to use the experience of user is further ensured that the suitability of the frequency.
Further, the frequency for arranging can also be shown on the display apparatus, so that others FM receivers,
The frequency of FM receivers can be adjusted manually according to the frequency for showing on the display apparatus, receive player and launch on frequency
The audio signal of frequency modulation, realizes the wireless audio reception of any multiple spot, and receiver medium is a lot, cost is also low.
Further, before the frequency that remote control indicates that player is provided for transmitting audio signal, remote control can be with
According to the instruction of user input, judge whether the audio signal for needing to transmit frequency modulation, if necessary to the audio signal of transmission frequency modulation,
Then indicate that player is provided for transmitting the frequency of audio signal again.So that when conventional application, i.e., by external speaker or
When the speaker of TV plays out sound, it is not necessary to the audio signal of frequency modulation, remote control are transmitted between player and remote control
The earphone output circuit at device end is equal to common remote control, effectively reduces power consumption also without work.
Description of the drawings
Fig. 1 is according to home audio-visual system construction drawing of the prior art；
Fig. 2 is the audio frequency transmission method flow chart in the video-audio playing system according to first embodiment of the invention；
Fig. 3 is the flow chart for selecting frequency according to the automatic mode in first embodiment of the invention；
Fig. 4 is the audio frequency transmission method schematic diagram in the video-audio playing system according to first embodiment of the invention；
Fig. 5 is according to the data flow diagram in first embodiment of the invention between player and remote control；
Fig. 6 is the audio frequency transmission method schematic diagram in the video-audio playing system according to second embodiment of the invention；
Fig. 7 is the video-audio playing system structural representation according to third embodiment of the invention.
Specific embodiment
In the following description, in order that reader more fully understands the application and proposes many ins and outs.But, this
Even if the those of ordinary skill in field is appreciated that does not have these ins and outs and many variations based on following embodiment
And modification, it is also possible to realize each claim of the application technical scheme required for protection.
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with enforcement of the accompanying drawing to the present invention
Mode is described in further detail.
The core of the present invention is that remote control indicates that player is provided for transmitting the frequency of audio signal, audio signal
For the audio signal of frequency modulation, the frequency of setting is fed back to remote control after the setting for completing frequency by player.Player is in frequency
Launch the audio signal of frequency modulation on point, remote control receives the audio signal of frequency modulation on frequency, and by the audio signal for receiving
Exported by earphone.
First embodiment of the invention is related to the audio frequency transmission method in a kind of video-audio playing system, idiographic flow such as Fig. 2
It is shown.
In step 201, when needing to start frequency modulation (Frequency Modulation, referred to as " FM ") audio transmission,
Remote control sends control information to player, indicates that player is provided for transmitting the frequency of audio signal, wherein, audio signal
For the audio signal of frequency modulation.Specifically, remote control can pass through the control information that infrared ray sends setting frequency to player, refer to
Show that player arranges frequency.
It is noted that in the present embodiment, remote control can judge whether to need to pass according to the instruction of user input
The audio signal of defeated frequency modulation.Such as, remote control shows FM earphone menus by telescreen, if user selects to enable FM ears
Machine function, then explanation need the audio signal for transmitting frequency modulation, into step 201.
Then, in step 202., judge whether frequency is selected using automatic mode in player.In present embodiment
In, frequency selects pattern be divided into and automatically selects and manually select both of which, if necessary to select frequency using automatic mode,
Step 203 is then entered, if not adopting automatic mode to select frequency, i.e., frequency is selected using manual mode, then into step
206。
In step 203, which frequency player can be searched for automatically and analyze and be suitable for transmitting audio signal, then will
The frequency shows on the tv screen.
Then, in step 204, the idle frequency for searching is confirmed by user, if user confirms the frequency,
Step 205 is then entered, step 203 is otherwise returned to, which frequency continuation searches for and analyze automatically is suitable for transmitting audio signal.
That is, the frequency for searching is shown on a display screen, if user is dissatisfied, can be with repeat search.
Step 203 and step 204 implement flow process as shown in figure 3, in step 301, preset for signal
The threshold value of detection, the threshold value are set as a relatively low numerical value according to practical situation.Then, from the beginning of ongoing frequency, per stepping
One frequency just detects the intensity of a signal, if the threshold value of the strength ratio setting of signal is little, then it is assumed that this frequency is empty
Not busy, there is no the interference in other radio station, be suitable for the transmission of audio signal.Final frequency also needs to be carried out really by user
Recognize, if user confirms, search terminates, if the user thinks that result is nonconforming, then may proceed to carry out step-searching, such as walks
Rapid 302 to step 304.
After step 204, into step 205, the idle frequency point setting that Jing user is confirmed is for transmitting audio signal
Frequency.When being provided for transmitting the frequency of audio signal using automatic mode, the idle frequency for detecting is passed through into TV
Screen display is confirmed for user that to user the idle frequency point setting for confirming Jing user is for transmitting audio signal
Frequency.As the idle frequency for searching automatically is the frequency of the intensity less than threshold value of signal under the present circumstances, can not
Ensure that the intensity of the signal within a period of time afterwards is consistently less than threshold value, therefore by user to the idle frequency that searches automatically
Confirmed, it is possible to use the experience of user is further ensured that the suitability of the frequency.
If selecting frequency using manual mode, into step 206.In step 206, judge whether that adopting last time sets
The frequency put, if adopting the frequency of last time setting, is directly entered step 208, if not adopting the frequency of last time setting,
Into step 207, this is set manually for transmitting the frequency of audio signal.
Then, into step 208, the frequency of setting is fed back to remote control by player, and specifically, player can pass through red
The frequency of setting is fed back to remote control by outside line.It should be noted that in this step, player need to also be on the frequency for arranging
To initialize transmission power transmitting test signal.
In step 209, the frequency that remote control is arranged by infrared receiver player, receives test letter on the frequency
Number, and the intensity of the test signal for receiving is fed back to into player by infrared ray.
Then, in step 210, intensity of the player according to the test signal of feedback, adjusts the transmitting work(of audio signal
Rate, and launch the audio signal of frequency modulation with the transmission power after adjustment on the frequency for arranging.Test of the player according to feedback
The intensity of signal, is adjusted to the transmission power of audio signal, can effectively guarantee the energy in the case where normally receiving
Using minimum transmission power, the interference caused to other channels has been reduced as far as.
Then, in step 211, remote control receives the audio signal of frequency modulation on the frequency that player is arranged, and passes through
Earphone is exported.
That is, infrared receiver function is not only integrated with player in present embodiment, be also integrated with infrared
Penetrate function and FM emission functions；Infrared emission function is not only integrated with remote control, infrared receiver function, FM is also integrated with and is received
Function and earphone output function, as shown in Figure 4.In two-way infrared transmission path between remote control and player, it is used for all the way
Remote control sends order to player and television set, is used for player in addition all the way and feeds back the current FM launching frequencies of meeting to remote control
Device；FM paths between remote control and player are used for the audio signal for transmitting frequency modulation, as shown in Figure 5.Wherein, player connection
To large screen television, it is also possible to be integrated into face on TV.
In the present embodiment, due to the audio signal that can transmit frequency modulation between player and remote control, therefore can be with
Wireless form listens to the content of audio-visual broadcasting, reduces the length of earphone cord, and supports broadcast, it is not necessary to the people that restriction is listened
Number, it is not required that be equipped with corresponding reception earphone for everyone, it is with low cost, easily work(is realized on the basis of not increase equipment
Energy.In addition, before remote control indicates that player is provided for the frequency of transmission audio signal, remote control can be defeated according to user
The instruction for entering, judges whether the audio signal for needing to transmit frequency modulation, and the audio signal if necessary to transmit frequency modulation then indicates to broadcast again
Put device to be provided for transmitting the frequency of audio signal.So that when conventional application, i.e. raising one's voice by external speaker or TV
When device plays out sound, it is not necessary to the audio signal of frequency modulation, the earphone at remote control end are transmitted between player and remote control
Output circuit is equal to common remote control, effectively reduces power consumption also without work.
And, in the present embodiment, remote control sends the control information for arranging frequency by infrared ray to player, broadcasts
Put device and frequency is fed back to into remote control by infrared ray.And due to inherently possessing infrared emission function in remote control, because
This infrared control function by being multiplexed remote control, not only realizes Based Intelligent Control, while and reducing cost and material.This
Outward, it will be understood that between remote control and player, it would however also be possible to employ other modes realize digital communication, transmission arranges frequency
The feedback of control information and frequency, here are not enumerated.
Second embodiment of the invention is related to the audio frequency transmission method in a kind of video-audio playing system.Second embodiment exists
Improved on the basis of first embodiment, mainly theed improvement is that：In the present embodiment, can also be by player
The frequency of setting shows on the tv screen, so that others FM receivers, it is also possible to according to display on the tv screen
Frequency, adjust manually the frequency of FM receivers, receive the audio signal that player launch frequency modulation on frequency, realize any many
The wireless audio reception of point, as shown in fig. 6, and receiver medium is a lot, cost is also low.
It should be noted that each method embodiment of the present invention can be realized in modes such as software, hardware, firmwares.
No matter the present invention is to realize that instruction code may be stored in any kind of computer with software, hardware or firmware mode
In addressable memorizer (such as it is permanent or revisable, it is volatibility or non-volatile, it is solid-state or non-solid
State, fixed or removable medium etc.).Equally, memorizer may, for example, be programmable logic array
(Programmable Array Logic, referred to as " PAL "), random access memory (Random Access Memory, referred to as
" RAM "), programmable read only memory (Programmable Read Only Memory, referred to as " PROM "), read only memory
(Read-Only Memory, referred to as " ROM "), Electrically Erasable Read Only Memory (Electrically Erasable
Programmable ROM, referred to as " EEPROM "), disk, CD, digital versatile disc (Digital Versatile Disc,
Referred to as " DVD ") etc..
Third embodiment of the invention is related to a kind of video-audio playing system.As shown in fig. 7, the video-audio playing system is comprising distant
Control device and player.Wherein, remote control is included：
Control information sending module, for the instruction for arranging frequency is sent to player.
Frequency point information receiver module, for receiving the frequency that the player is arranged from player.
Audio signal reception module, for the frequency received in frequency point information receiver module, receives player transmitting
Frequency modulation audio signal.
Earphone power amplifier module, the audio signal of the frequency modulation for audio signal reception module is received are exported by earphone.
In remote control, starting module can also be included, for the instruction according to user input, judge whether to need transmission
The audio signal of frequency modulation, and when judging to need to transmit the audio signal of frequency modulation, trigger control information sending module.
Player is included：
Control information receiver module, for receiving the instruction of the setting frequency from remote control.
Frequency point setting module, for receiving after the instruction of remote control in control information receiver module, is provided for passing
The frequency of the audio signal of defeated frequency modulation.
Frequency point information sending module, for sending the frequency that frequency point setting module is arranged to remote control.
Audio signal transmitter module, for the frequency arranged in frequency point setting module, launches the audio signal of frequency modulation.
Wherein, frequency point setting module arranges submodule and arranges automatically submodule comprising model selection submodule, manually.
For the selection according to user, decision-making triggering arranges submodule to model selection submodule manually or triggering is arranged automatically
Submodule
Submodule is set manually for being provided for transmitting the frequency of audio signal using manual mode.Manual setting
Module includes following subelement：
Frequency adopts judgment sub-unit, for judging whether to adopt the frequency of last time setting；
Frequency arranges subelement manually, for frequency adopt judgment sub-unit judge adopt last time setting frequency when,
The frequency that last time is arranged is used to transmit the frequency of audio signal as this；Judgment sub-unit is adopted in frequency to judge not adopt
During the frequency that last time is arranged, this is reset for transmitting the frequency of audio signal by user.
Automatically arranging submodule is used for the idle frequency of search automatically, and the idle frequency for searching automatically is carried out by user
Confirm, be the frequency for transmitting audio signal by the idle frequency point setting that Jing user confirms.The automatic setting submodule is included
Following subelement：
Signal detection subelement, for, from the beginning of ongoing frequency, the intensity of a signal just being detected per one frequency of stepping.
Judgment sub-unit, the intensity of the signal for signal detection subelement is detected are entered with threshold value set in advance
Row compares, and when the intensity of the signal for detecting is less than threshold value, judges the frequency at signal place as idle frequency.
Confirm subelement, for will determine that the idle frequency that subelement judges is shown by display device (such as telescreen)
To user, confirmed for user.
Frequency arranges subelement automatically, and the idle frequency point setting for Jing user is confirmed is for transmitting audio signal
Frequency.
It should be noted that in the present embodiment, the audio signal transmitter module in player is additionally operable on frequency
Transmitting test signal.Control information sending module in remote control is additionally operable to the intensity feedback of the test signal that will be received to broadcasting
Put device.Adjusting module is also included in player, for the intensity of the test signal according to feedback, the transmitting work(of audio signal is adjusted
Rate.Effectively to guarantee minimum transmission power is used in the case where normally receiving, it has been reduced as far as to other
The interference that channel is caused.
In addition, in the present embodiment, control information sending module is sent to player by infrared ray and arranges frequency
Indicate, control information receiver module passes through instruction of the infrared receiver from the setting frequency of remote control.Frequency point information sends mould
Block sends frequency that frequency point setting module arranged to remote control by infrared ray, and frequency point information receiver module is by infrared ray from broadcasting
Put device and receive the frequency that the player is arranged.
It is seen that, first embodiment is the method embodiment corresponding with present embodiment, and present embodiment can
Work in coordination enforcement with first embodiment.The relevant technical details mentioned in first embodiment are in the present embodiment still
Effectively, in order to reduce repetition, repeat no more here.Correspondingly, the relevant technical details mentioned in present embodiment can also be applied
In the first embodiment.
Four embodiment of the invention is related to a kind of video-audio playing system.Base of 4th embodiment in the 3rd embodiment
Improved on plinth, mainly theed improvement is that：In the present embodiment, video-audio playing system also includes at least one frequency modulation
Receiving terminal, for receiving the audio signal of frequency modulation.
Control information sending module is additionally operable to include in display device (such as the frequency that frequency point information receiver module is received
Telescreen) on.So that others FM receivers, it is also possible to according to the frequency for showing on the tv screen, adjust manually
The frequency of FM receivers, receives the audio signal that player launches frequency modulation on frequency, realizes that the ANTENNAUDIO of any multiple spot connects
Receive.
It is seen that, second embodiment is the method embodiment corresponding with present embodiment, and present embodiment can
Work in coordination enforcement with second embodiment.The relevant technical details mentioned in second embodiment are in the present embodiment still
Effectively, in order to reduce repetition, repeat no more here.Correspondingly, the relevant technical details mentioned in present embodiment can also be applied
In this second embodiment.
In the embodiments of the present invention, due to the audio signal that can transmit frequency modulation between player and remote control,
Therefore the content of audio-visual broadcasting can be listened to wireless form, the length of earphone cord is reduced, and is supported broadcast, it is not necessary to limit
The number that system is listened, it is not required that be equipped with corresponding reception earphone for everyone, it is with low cost, realize on the basis of not increase equipment
Easily function.
It should be noted that each unit mentioned in each equipment embodiment of the invention is all logical block, physically,
One logical block can be a part for a physical location, or a physical location, can be with multiple physics
The combination of unit realizes, these logical blocks Physical realizations of itself is not most important, and these logical blocks institutes are real
The combination of existing function is the key of the technical problem for just solving proposed by the invention.Additionally, the innovation in order to project the present invention
Part, the above-mentioned each equipment embodiment of the present invention will not be the technical problem relation proposed by the invention with solution less close
Unit introduce, this is not intended that the said equipment embodiment does not have other units.
Although by referring to some of the preferred embodiment of the invention, being shown and described to the present invention,
It will be understood by those skilled in the art that can to which, various changes can be made in the form and details, without departing from this
Bright spirit and scope.
Claims (12)
1. the audio frequency transmission method in a kind of video-audio playing system, it is characterised in that the video-audio playing system includes being connected to
Television set or the player being integrated in television set, and the remote control for being controlled to player, the player are used for
The audio signal of frequency modulation is sent, the remote control is additionally operable to the audio signal for receiving frequency modulation, the sound in the video-audio playing system
Keep pouring in transmission method to comprise the steps of：
The remote control indicates that the player is provided for transmitting the frequency of audio signal, sound of the audio signal for frequency modulation
Frequency signal；
The frequency for arranging is fed back to the remote control after the setting for completing the frequency by the player；
The player launches test signal on the frequency；
The intensity of the test signal received on the frequency is fed back to the player by infrared ray by the remote control；
Intensity of the player according to the test signal of feedback, adjusts the transmission power of audio signal；
The player launches the audio signal of frequency modulation on the frequency with the transmission power after adjusting, and the remote control is in institute
The audio signal that the frequency modulation is received on frequency is stated, and the audio signal for receiving is exported by earphone.
2. the audio frequency transmission method in video-audio playing system according to claim 1, it is characterised in that remote control indicates to broadcast
Put device to be provided in the step of transmitting the frequency of audio signal, comprising following sub-step：
The remote control sends the control information for arranging the frequency by infrared ray to the player；
In the step of frequency for arranging is fed back to the remote control by the player, comprising following sub-step：
The frequency is fed back to the remote control by infrared ray by the player.
3. the audio frequency transmission method in video-audio playing system according to claim 1, it is characterised in that the player root
According to the selection of user, decision-making is provided for transmitting the frequency of audio signal using manual mode, or is arranged using automatic mode
For transmitting the frequency of audio signal；
If decision-making is provided for transmitting the frequency of audio signal using manual mode, further determine whether that adopting last time sets
The frequency put, if it is decided that adopt the frequency of last time setting, the then frequency for arranging last time are used to transmit audio frequency letter as this
Number frequency；If not adopting the frequency of last time setting, this is reset for transmitting the frequency of audio signal by user；
If decision-making is provided for transmitting the frequency of audio signal using automatic mode, searched for the free time by the player automatically
Frequency, and the idle frequency for searching automatically being confirmed by user, by the idle frequency point setting that Jing user confirms be for
The frequency of transmission audio signal.
4. the audio frequency transmission method in video-audio playing system according to claim 3, it is characterised in that described to be broadcast by described
In the step of putting device and search for automatically idle frequency, and confirmed to the idle frequency for searching automatically by user, comprising following
Sub-step：
From the beginning of ongoing frequency, the intensity of a signal is just detected per one frequency of stepping；
If the intensity of the signal for detecting is less than threshold value set in advance, judge the frequency at signal place as idle frequency
Point；
The idle frequency for judging is shown to into user by telescreen, is confirmed for user；
It is the frequency for transmitting audio signal by the idle frequency point setting that Jing user confirms.
5. the audio frequency transmission method in video-audio playing system according to any one of claim 1 to 4, it is characterised in that
After the setting that the player completes the frequency, also comprise the steps of：
The frequency for arranging is shown on the tv screen.
6. the audio frequency transmission method in video-audio playing system according to any one of claim 1 to 4, it is characterised in that
Before the remote control indicates that player is provided for the step of transmitting the frequency of audio signal, also comprise the steps of：
Instruction of the remote control according to user input, judges whether the audio signal for needing to transmit frequency modulation；
Audio signal if necessary to transmit frequency modulation, then enter back into the frequency for indicating that player is provided for transmission audio signal
The step of point.
7. a kind of video-audio playing system, it is characterised in that including the player for being connected to television set or be integrated in television set, and
For the remote control being controlled to player；The player is used for the audio signal for sending frequency modulation, and the remote control is also used
In the audio signal for receiving frequency modulation；
The remote control is included：
Control information sending module, for the instruction for arranging frequency is sent to the player, and will receive on the frequency
To the intensity of test signal the player is fed back to by infrared ray；
Frequency point information receiver module, for receiving the frequency that the player is arranged from the player；
Audio signal reception module, for the audio signal of the frequency modulation of the player transmitting is received on the frequency；
Earphone power amplifier module, the audio signal of the frequency modulation for the audio signal reception module is received are exported by earphone；
The player is included：
Control information receiver module, for receiving the instruction of the setting frequency from remote control；
Frequency point setting module, for receiving after the instruction of remote control in the control information receiver module, arranges and uses
In the frequency of the audio signal of transmission frequency modulation；
Frequency point information sending module, for sending the frequency that the frequency point setting module is arranged to the remote control；
Adjusting module, for the intensity of the test signal according to feedback, adjusts the transmission power of audio signal；
Audio signal transmitter module, for launching test signal on the frequency that the frequency point setting module is arranged, and with described
Transmission power after adjusting module adjustment launches the audio signal of frequency modulation.
8. video-audio playing system according to claim 7, it is characterised in that the control information sending module is by infrared
Line sends the instruction for arranging frequency to the player, and the control information receiver module is by infrared receiver from institute
State the instruction of the setting frequency of remote control；
The frequency point information sending module sends frequency that the frequency point setting module arranged to the remote control by infrared ray,
The frequency point information receiver module receives frequency that the player arranged from the player by infrared ray.
9. video-audio playing system according to claim 7, it is characterised in that frequency point setting module includes model selection submodule
Block, submodule is set manually and submodule is set automatically；
, for the selection according to user, the decision-making triggering manual setting submodule or triggering are described for the model selection submodule
Submodule is set automatically；
It is described it is manual arrange submodule for using manual mode be provided for transmit audio signal frequency；The manual setting
Submodule includes following subelement：
Frequency adopts judgment sub-unit, for judging whether to adopt the frequency of last time setting；
Frequency arranges subelement manually, for the frequency adopt judgment sub-unit judge adopt last time setting frequency when,
The frequency that last time is arranged is used to transmit the frequency of audio signal as this；Judgment sub-unit is adopted in the frequency to judge not
When adopting the frequency of last time setting, this is reset for transmitting the frequency of audio signal by user；
The automatic setting submodule is used for the idle frequency of search automatically, and the idle frequency for searching automatically is carried out by user
Confirm, be the frequency for transmitting audio signal by the idle frequency point setting that Jing user confirms.
10. video-audio playing system according to claim 9, it is characterised in that the automatic setting submodule is comprising following
Subelement：
Signal detection subelement, for, from the beginning of ongoing frequency, the intensity of a signal just being detected per one frequency of stepping；
Judgment sub-unit, the intensity of the signal for the signal detection subelement is detected, is entered with threshold value set in advance
Row compares, and when the intensity of the signal for detecting is less than the threshold value, judges the frequency at signal place as idle frequency；
Confirm subelement, for the idle frequency that the judgment sub-unit judges is shown to user by display device, for
Family is confirmed；
Frequency arranges subelement automatically, and the idle frequency point setting for Jing user is confirmed is the frequency for transmitting audio signal
Point.
11. video-audio playing systems according to any one of claim 7 to 10, it is characterised in that the audio-visual broadcasting system
System also includes at least one FM reception end, for receiving the audio signal of frequency modulation；
The control information sending module is additionally operable to include showing dress by the frequency that the frequency point information receiver module is received
Put.
12. video-audio playing systems according to any one of claim 7 to 10, it is characterised in that the remote control is also wrapped
Containing starting module, for the instruction according to user input, judge whether the audio signal for needing to transmit frequency modulation, and judging to need
During the audio signal of transmission frequency modulation, the control information sending module is triggered.
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| CN106658379A (en) * | 2016-12-30 | 2017-05-10 | 贵州财富之舟科技有限公司 | Communication method, device and system for Bluetooth device |
| CN111064479B (en) * | 2019-12-05 | 2021-07-23 | 昆腾微电子股份有限公司 | Radio frequency signal transmission method and device based on wireless audio system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2279040Y (en) * | 1996-11-08 | 1998-04-15 | 赵树航 | Wireless sound receiving device for TV set |
| CN1190308A (en) * | 1997-02-06 | 1998-08-12 | 倪捷 | Remote controller for electric appliance |
| CN101022279A (en) * | 2007-03-16 | 2007-08-22 | 华为技术有限公司 | Frequency modulation/amplitude modulation transmitting mobile terminal, method and system for receiving frequency modulation transmission |
| CN101150325A (en) * | 2006-09-19 | 2008-03-26 | 深圳市朗科科技有限公司 | Method for automatically searching best frequency modulation transmission frequency point |
| CN101242664A (en) * | 2007-12-27 | 2008-08-13 | 华为技术有限公司 | A realization method and device for multi-carrier wave power share |
| CN201114442Y (en) * | 2007-08-21 | 2008-09-10 | 天津三星电子显示器有限公司 | TV set with wireless audio transmission function |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060223467A1 (en) * | 2005-04-05 | 2006-10-05 | Nokia Corporation | Method and device for low-power FM transmission of audio data to RDS (Radio Data System) capable FM radio receiver |
| CN101714289B (en) * | 2009-10-30 | 2011-11-02 | 罗之洪 | Remote control method and system capable of automatically adjusting frequency and distributing ID |
-
2011
- 2011-03-04 CN CN201110051826.7A patent/CN102655575B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2279040Y (en) * | 1996-11-08 | 1998-04-15 | 赵树航 | Wireless sound receiving device for TV set |
| CN1190308A (en) * | 1997-02-06 | 1998-08-12 | 倪捷 | Remote controller for electric appliance |
| CN101150325A (en) * | 2006-09-19 | 2008-03-26 | 深圳市朗科科技有限公司 | Method for automatically searching best frequency modulation transmission frequency point |
| CN101022279A (en) * | 2007-03-16 | 2007-08-22 | 华为技术有限公司 | Frequency modulation/amplitude modulation transmitting mobile terminal, method and system for receiving frequency modulation transmission |
| CN201114442Y (en) * | 2007-08-21 | 2008-09-10 | 天津三星电子显示器有限公司 | TV set with wireless audio transmission function |
| CN101242664A (en) * | 2007-12-27 | 2008-08-13 | 华为技术有限公司 | A realization method and device for multi-carrier wave power share |
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