CN100454781C - Method for implementing association between radio loudspeaker and radio sound source - Google Patents

Method for implementing association between radio loudspeaker and radio sound source Download PDF

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Publication number
CN100454781C
CN100454781C CNB2005100537794A CN200510053779A CN100454781C CN 100454781 C CN100454781 C CN 100454781C CN B2005100537794 A CNB2005100537794 A CN B2005100537794A CN 200510053779 A CN200510053779 A CN 200510053779A CN 100454781 C CN100454781 C CN 100454781C
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China
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frequency range
wireless
radio
sound source
response message
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CNB2005100537794A
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CN1832373A (en
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丁科
芦智勇
王磊
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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Abstract

The present invention discloses a method for realizing association between a radio loudspeaker and a radio sound source, which comprises the following steps: when the radio sound source needs outputting an audio frequency data signal, a radio search message is transmitted from each frequency band; after a radio search response message transmitted by the radio loudspeaker is received, a frequency band corresponding to the response message is regarded as a current transmitting frequency band. The present invention has a proposal that the radio search message is sent by each frequency band through the radio sound source. The current transmitting frequency band is determined according to the response message returned from the radio loudspeaker. Matching operation between the radio sound source and the radio loudspeaker can be implemented by a user to determine the frequency band of the radio loudspeaker for audio playback by the radio sound source. Thereby, the association between a radio loudspeaker and a radio sound source is realized.

Description

Realize related method between a kind of wireless sound box and radio sound source
Technical field
The present invention relates to the voice playing technical field, relate to realize between a kind of wireless sound box and radio sound source related method or rather.
Background technology
Along with the raising day by day of living standard, people are also more and more higher to the requirement of audio frequency apparatus each side.Relatively more outstanding a bit is: people wish oneself can use audio frequency apparatus easily.Such as, user when using audio frequency apparatus, can be according to the needs pan continually of self, and mate different audio amplifiers easily, different audio amplifiers can also be set, and can random mobile audio amplifier in different rooms.
Original audio frequency apparatus all passes to audio amplifier by tone frequency channel wire with audio signal by sound box system, that is to say, original audio frequency apparatus all is to adopt wired connected mode.Development along with audio signal processing technique, line between power amplifier and the audio amplifier, between source of sound and the audio amplifier becomes more and more, becomes increasingly complex, this installation, debugging and move and brought very large trouble, thereby the inconvenience of bringing for user's use to audio amplifier and source of sound.Such as, when sprucing up, just must good all power lines of planning and the wiring of tone frequency channel wire in the design phase, otherwise will influence the attractive in appearance of room and cleaning because of line, and in case wiring finishes, the putting position of adjusting audio amplifier as need is unusual difficulty then.
In view of the foregoing, the application of wireless technology in audio frequency apparatus become the developing direction of Audiotechnica gradually.At present, all be wireless launcher to be set based on the audio frequency apparatus of wireless technology, and in audio amplifier, radio receiver be set at source of sound.
Wireless launcher in the source of sound wherein, selects module to select one the tunnel from the multiple sound source signal of source of sound 1~n, as the processing signals of back level generally by selecting module, sound effect processing module, wireless transmitter module and wireless antenna module etc. to constitute; The sound effect processing module is carried out various processing to selecting module output signal, and the signal of M sound channel of output sends to wireless transmitter module then; Wireless transmitter module is modulated the signal of sound effect processing module output, and sends to the wireless antenna module through frequency conversion and the radiofrequency signal of amplifying certain power; The wireless antenna module radiate the radiofrequency signal of wireless transmitter module output with the electromagnetic wave form.
Radio receiver in the audio amplifier generally is made of wireless antenna module, wireless receiving module, audio frequency power amplifier module, and wherein, the wireless antenna module is converted into level signal with the radiofrequency signal that receives, and exports to wireless receiving module; Wireless receiving module carries out power amplification with the baseband signal that demodulates by audio frequency power amplifier module, and promotes sound horn by audio frequency power amplifier module.
The coupling of wireless launcher in the source of sound and wireless sound box all realizes by the hardware band switch manually is set at present, and no longer become in case set up achievement, wireless launcher is according to the frequency modulation(FM) and the audio signals that set, and wireless sound box then receives the audio signal that also demodulation is received according to correspondent frequency.
For above-mentioned wireless audio devices, if a source of sound may mate with a plurality of audio amplifiers, perhaps an audio amplifier need mate with a plurality of sources of sound, such as, needing frequent pan, this source of sound need mate with a plurality of wireless sound boxes, perhaps wireless sound box is public audio amplifier, service is provided can for different users, then present this matching scheme can bring very big trouble to the user, for not being then all the more so the very familiar user concerning source of sound and audio amplifier.
Summary of the invention
In view of this, subject matter to be solved by this invention is to provide between a kind of wireless sound box and radio sound source and realizes related method, and making can auto-associating between wireless sound box and the radio sound source.
For overcoming the above problems, the invention provides following technical scheme:
Realize related method between a kind of wireless sound box and radio sound source, this method comprises:
Radio sound source when needs outputting audio data signal, with each band transmit wireless search message, and after receiving the wireless search response message that wireless sound box sends, with the pairing frequency range of response message as current transmit frequency band.
Described radio sound source further comprises: the wireless transmission band segmentation is become more than one frequency range before with each band transmit wireless search message.
Described radio sound source with the pairing frequency range of the response message of receiving as current transmit frequency band is: with the pairing frequency range of article one response message received as current transmit frequency band;
Further comprise afterwards: stop with different frequency range emission wireless search message.
Described radio sound source comprises with each band transmit wireless search message:
Radio sound source is after receiving the wireless search response message that wireless sound box sends, preserve the pairing frequency range of this response message, and with residue frequency range continuation transmission wireless search message, preserve the pairing frequency range of each wireless search response message simultaneously, all send until wireless search message and finish at all frequency ranges;
Described radio sound source with the pairing frequency range of response message as current transmit frequency band is: select one as current transmit frequency band from the frequency range of being preserved.
Described wireless sound box sends the wireless search response message and comprises: wireless sound box judges whether this this wireless sound box is in idle condition after receiving wireless search message, if, then with self frequency range transmission wireless search response message of living in; Otherwise, do not deal with.
Describedly select one as current transmit frequency band to be from the frequency range of being preserved: radio sound source judges whether the frequency range of being preserved has only one, if having only one, then directly with this frequency range as current transmit frequency band; If more than one, then provide all frequency ranges pairing wireless sound box information, and with the selected pairing frequency range of wireless sound box as current transmit frequency band.
Describedly select one as current transmit frequency band to be from the frequency range of being preserved: radio sound source judges whether the frequency range of being preserved has only one, if having only one, then directly with this frequency range as current transmit frequency band; If more than one, then with signal is the strongest in all frequency ranges of being preserved the pairing frequency range of response message as current transmit frequency band.
Described radio sound source the frequency range of determining to be preserved be more than one after, and the pairing frequency range of response message that signal is the strongest in all frequency ranges of will be preserved as current transmit frequency band before, further comprise: judge whether to have started wireless sound box user preference pattern, if, then provide all frequency ranges pairing wireless sound box information, and with the selected pairing frequency range of wireless sound box as current transmit frequency band; Otherwise, carry out the step of the pairing frequency range of response message that signal is the strongest as current transmit frequency band.
Described radio sound source in the frequency range of determining to be preserved more than one, and selected a frequency range as after the current transmit frequency band, further comprise: judge whether this frequency range exists other wireless sound boxes, if then other wireless sound boxes in this frequency range send the message of revising frequency range; Otherwise, do not deal with;
This method further comprises: other wireless sound boxes are revised the frequency range of self after the message of receiving described modification frequency range.
The present invention program sends wireless search message by radio sound source with each frequency range, and determine current transmit frequency band according to the response message that wireless sound box returns, making does not need the user to carry out matching operation between radio sound source and the wireless sound box, can be identified for carrying out the residing frequency range of wireless sound box of voice playing by radio sound source, thereby realize the related of radio sound source and wireless sound box.
Based on the present invention program, the user is when using wireless sound box, no matter be the wireless sound box of changing different model, different brands, still radio sound source is displaced between a plurality of wireless sound box system, the user does not need for audio amplifier and source of sound frequency range to be set manually, thereby can carry out voice playing easily, for the user provides very large facility.
The present invention also provides multiple audio frequency to determine scheme, for the user provides more choices.Wherein, having a plurality of wireless sound boxes to reply under the situation of response messages, radio sound source can also be shown to the user with the information of these wireless sound boxes, so that the user selects according to self needs, has further facilitated user's use.
In addition, the present invention also provides when the frequency range of determining current selected has other wireless sound box, changes the scheme of other wireless sound box frequency ranges, thereby has guaranteed to carry out voice playing with the wireless sound box of current selected.
Description of drawings
Fig. 1 is the present invention program's realization flow figure;
Fig. 2 is the realization flow figure of the present invention program's specific embodiment one;
Fig. 3 is the realization flow figure of the present invention program's specific embodiment two;
Fig. 4 is the realization flow figure of the present invention program's specific embodiment three;
Fig. 5 is the realization flow figure of the present invention program's specific embodiment four;
Fig. 6 is the process chart of wireless sound box among the present invention program.
Embodiment
Below in conjunction with drawings and the specific embodiments the present invention program is described in further detail.
The present invention program as shown in Figure 1, corresponding following steps:
Step 101, radio sound source become some frequency ranges with the wireless transmission band segmentation when needs transmitting audio data signal, and send the wireless search message of search wireless sound box according to different frequency range.
Specifically, when radio sound source needs the outputting audio data signal, send request, carry out frequency range by wireless launcher and cut apart and send wireless search message to the self radio emitter.Carrying out frequency range when cutting apart, if frequency band is 2.40GHz-2.48GHz, then this frequency band can be divided into 16 frequency ranges, the bandwidth of each frequency range is 0.005GHz.Wireless search message then can send successively according to frequency range, such as according to frequency range 1, frequency range 2 ..., frequency range 16 sends.
This radio sound source can be the computer sound card that connected wireless launcher, DVD player, CD player, VCD player etc.
Step 102, wireless sound box are being received this wireless search message and are being determined that this wireless sound box after the current free time, returns corresponding response message.
Suppose currently to exist wireless sound box A to be in to receive frequency range 6, so this audio amplifier A can receive wireless search message in frequency range 6 that then it sends the response message of wireless search message current free time with frequency range 6 after determining self.
Step 103, radio sound source with the pairing frequency range of the response message of receiving as current transmit frequency band.
Specifically, this step can be determined current transmit frequency band according to the pairing frequency range of receiving of response message by the wireless launcher in the radio sound source.Wireless launcher sends voiceband data signal output request responding message to radio sound source, and replys current state after determining current transmit frequency band, and this state can be for being ready for signal processing etc.
In addition, in this step, the pairing frequency range of response message that wireless launcher can directly be received first is as current transmit frequency band.Then in above-mentioned steps 101, wireless launcher is when sending wireless search message according to different frequency range, if received the response message that certain wireless sound box sends, then this wireless launcher can be determined current transmit frequency band, does not therefore just need to have sent wireless search message again.Such as, first response message of receiving of wireless launcher sends for wireless sound box A, and this wireless sound box A is in frequency range 6, then wireless launcher can be with this frequency range 6 as current transmit frequency band, and stop to send wireless search message according to other frequency ranges.The pairing detailed process of this processing procedure as shown in Figure 2.Obviously, if the current environment of living in of user has only a wireless sound box, then can determine the current wireless sound box that is used to play soon by processing procedure shown in Figure 1.
In this step, because wireless launcher is after receiving each response message, the frequency range that can determine this response message place has corresponding wireless sound box, therefore at first preserve the pairing frequency range of each response message, and the wireless search message of each frequency range all sent finish after, judge that the frequency range preserved is one or a plurality of, if one, then directly with this frequency range as current transmit frequency band; If a plurality of, then from these frequency ranges, select one as current transmit frequency band.Such as, wireless launcher has been received the response message that wireless sound box A sends with frequency range 6, and the response message that sends with frequency range 9 of wireless sound box B, then should select one as current transmit frequency band from wireless sound box A and the pairing frequency range of B.The pairing detailed process of this processing procedure as shown in Figure 3.If the current environment of living in of user has two groups or more audio amplifier, then can from these audio amplifiers, select one group and be used for current audio plays by processing procedure shown in Figure 3.
Specifically, if the frequency range of being preserved is a plurality of, then wireless launcher can be selected according to the signal power of the response message of being received, such as, select the strongest frequency range of signal as current transmit frequency band.Why select according to the signal power, be because the user normally used be near audio amplifier, and the signal power of wireless sound box is inversely proportional to distance often, therefore, selects to select the nearest audio amplifier from the user according to the signal power.
Certainly, have under the situation of a plurality of frequency ranges, can also further ask the user that selection is provided, such as, owing to also carried the specification information of wireless sound box in the response message, so wireless launcher can also be preserved the pairing wireless sound box information of this frequency range simultaneously when preserving frequency range, and these wireless sound box information are offered the user, determine current transmit frequency band according to user's selection then.Such as, if the user has selected wireless sound box B from wireless sound box A and wireless sound box B, then wireless launcher with the residing frequency range of wireless sound box B as current transmit frequency band.The pairing detailed process of this processing procedure as shown in Figure 4.
Select the scheme of wireless sound box for above-mentioned by the user, corresponding processing module can be set in the wireless launcher of radio sound source, then start this processing module if desired.Correspondingly, wireless launcher judges then whether this processing module starts, when this processing module starts and defines a plurality of frequency ranges and have corresponding wireless sound box, upload the specification information of these wireless sound boxes to the user, and determine current transmit frequency band according to user's selection; If this processing module is not activated, then when defining the wireless sound box of a plurality of frequency ranges existence correspondences, directly select the strongest frequency range of signal as current transmit frequency band.The pairing detailed process of this processing procedure then as shown in Figure 5.
Determine scheme for above-mentioned various frequency ranges, have under a plurality of situations in the frequency range of preserving, occur determined frequency range possibly the corresponding with it situation of a plurality of wireless sound boxes is arranged, at this moment, for guaranteeing only to carry out voice playing by selected wireless sound box, also should require wireless sound box simultaneously the specification information of self to be sent together by response message, this specification information can comprise device identifier, facility information etc., so that the wireless launcher in the radio sound source is provided with current other wireless sound boxes that are in same frequency range other frequency range.For the change frequency range, received the response message that wireless sound box C, D, E send such as radio sound source, and wireless sound box C is identical with the residing frequency range of D, all be in frequency range 10, and the wireless sound box of radio sound source current selected is C, therefore, need radio sound source to send the message of revising frequency range, and carry the specification information of the wireless sound box D that needs the modification frequency range in this message with current transmit frequency band 10.Like this, be in the wireless sound box C of frequency range 10 and D together and all can receive this frequency range and revise message, but because the entrained specification information of this message is the specification information of wireless sound box D, so wireless sound box D can revise the frequency range of self, such as, self frequency range is added one; And this specification information and wireless sound box C are irrelevant, so wireless sound box C does not deal with this frequency range modification message.
Also need to prove, for making the frequency range of amended frequency range and other wireless sound boxes all inequality, can also be by the definite frequency range that can be modified as of radio sound source, and in this frequency range modification message, further increasing band information, wireless sound box can be revised as the frequency range of self this frequency range revises the entrained frequency range of message.Certainly, a plurality of if the wireless sound box that needs to revise under same frequency range has, then radio sound source can be revised message for each audio amplifier send frequency range respectively, also can be that all audio amplifiers send a frequency range and revise message.
Can realize related between wireless sound box and the radio sound source by above-mentioned steps.
Radio sound source is after receiving the current response message that has been ready to signal processing of wireless launcher, voiceband data signal can be exported to the sound effect processing module in the wireless launcher, by the sound effect processing module signal is handled, the signal of M sound channel of output, send to wireless transmitter module then, by wireless transmitter module the signal of this M sound channel is modulated, and, by the wireless antenna module this radiofrequency signal is radiate with the electromagnetic wave form again through exporting the radiofrequency signal of certain power after frequency conversion and the amplification.
Correspondingly, wireless sound box is in the message of receiving the search wireless sound box and after replying response message, then receive voiceband data signal by the wireless antenna module in the radio receiver, the radiofrequency signal that receives is changed into level signal, and export to wireless receiving module, demodulate baseband signal by wireless receiving module, and baseband signal is carried out power amplification, thereby promote sound horn by audio frequency power amplifier module.The handling process of wireless sound box as shown in Figure 6.
The above only is the present invention program's preferred embodiment, not in order to limit protection scope of the present invention.

Claims (9)

1, realize related method between a kind of wireless sound box and radio sound source, it is characterized in that this method comprises:
Radio sound source when needs outputting audio data signal, with each band transmit wireless search message, and after receiving the wireless search response message that wireless sound box sends, with the pairing frequency range of response message as current transmit frequency band.
2, method according to claim 1 is characterized in that, described radio sound source further comprises: the wireless transmission band segmentation is become more than one frequency range before with each band transmit wireless search message.
3, method according to claim 1 is characterized in that, described radio sound source with the pairing frequency range of the response message of receiving as current transmit frequency band is: with the pairing frequency range of article one response message received as current transmit frequency band;
Further comprise afterwards: stop with different frequency range emission wireless search message.
4, method according to claim 1 is characterized in that, described radio sound source comprises with each band transmit wireless search message:
Radio sound source is after receiving the wireless search response message that wireless sound box sends, preserve the pairing frequency range of this response message, and with residue frequency range continuation transmission wireless search message, preserve the pairing frequency range of each wireless search response message simultaneously, all send until wireless search message and finish at all frequency ranges;
Described radio sound source with the pairing frequency range of response message as current transmit frequency band is: select one as current transmit frequency band from the frequency range of being preserved.
5, according to claim 1,2,3 or 4 described methods, it is characterized in that, described wireless sound box sends the wireless search response message and comprises: wireless sound box is after receiving wireless search message, judge whether this this wireless sound box is in idle condition, if, then with self frequency range transmission wireless search response message of living in; Otherwise, do not deal with.
6, method according to claim 4, it is characterized in that, describedly select one as current transmit frequency band to be from the frequency range of being preserved: radio sound source judges whether the frequency range of being preserved has only one, if having only one, then directly with this frequency range as current transmit frequency band; If more than one, then provide all frequency ranges pairing wireless sound box information, and with the selected pairing frequency range of wireless sound box as current transmit frequency band.
7, method according to claim 4, it is characterized in that, describedly select one as current transmit frequency band to be from the frequency range of being preserved: radio sound source judges whether the frequency range of being preserved has only one, if having only one, then directly with this frequency range as current transmit frequency band; If more than one, then with signal is the strongest in all frequency ranges of being preserved the pairing frequency range of response message as current transmit frequency band.
8, method according to claim 7, it is characterized in that, described radio sound source after the frequency range of determining to be preserved is more than one, and the pairing frequency range of response message that signal is the strongest in all frequency ranges of will be preserved as current transmit frequency band before, further comprise:
Judge whether to have started wireless sound box user preference pattern, if, then provide all frequency ranges pairing wireless sound box information, and with the selected pairing frequency range of wireless sound box as current transmit frequency band; Otherwise, carry out the step of the pairing frequency range of response message that signal is the strongest as current transmit frequency band.
9, according to claim 6,7 or 8 described methods, it is characterized in that, described radio sound source in the frequency range of determining to be preserved more than one, and selected a frequency range as after the current transmit frequency band, further comprise: judge whether this frequency range exists other wireless sound boxes, if then other wireless sound boxes in this frequency range send the message of revising frequency range; Otherwise, do not deal with;
This method further comprises: other wireless sound boxes are revised the frequency range of self after the message of receiving described modification frequency range.
CNB2005100537794A 2005-03-11 2005-03-11 Method for implementing association between radio loudspeaker and radio sound source Expired - Fee Related CN100454781C (en)

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Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
CN101087485B (en) * 2007-07-11 2010-05-19 华南理工大学 A transmission control method of multi-sound source remote distance wireless sound box and its device
CN103916784A (en) * 2012-12-31 2014-07-09 广州励丰文化科技股份有限公司 A control method of an active integrated speaker provided with multiple DSPs
CN103916736A (en) * 2012-12-31 2014-07-09 广州励丰文化科技股份有限公司 Method for controlling active speaker with multi-digital signal processor system
CN103916760A (en) * 2012-12-31 2014-07-09 广州励丰文化科技股份有限公司 Remote control method for intelligent active loudspeaker
CN103916771A (en) * 2012-12-31 2014-07-09 广州励丰文化科技股份有限公司 A remote control method of an active integrated loudspeaker based on multiple DSPs
CN103916776A (en) * 2012-12-31 2014-07-09 广州励丰文化科技股份有限公司 Remote control method of active loudspeaker based on multi-DSP system
CN103916740A (en) * 2012-12-31 2014-07-09 广州励丰文化科技股份有限公司 Control method for active sound box with multi-DSP system
CN103916773A (en) * 2012-12-31 2014-07-09 广州励丰文化科技股份有限公司 Remote control method of active integrated loudspeaker based on multi-DSP (digital signal processor) system
CN104507005B (en) * 2014-12-05 2017-10-13 广东欧珀移动通信有限公司 The packet control process and system of wireless sound box

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2469622Y (en) * 2001-04-11 2002-01-02 黄耀忠 Audio wireless transmitting device used in battroom or toilet
CN2681505Y (en) * 2004-01-19 2005-02-23 康佳集团股份有限公司 Equipment with wireless sound box
CN1592493A (en) * 2003-09-01 2005-03-09 乐金电子(中国)研究开发中心有限公司 Portable terminal wireless microphone apparatus and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2469622Y (en) * 2001-04-11 2002-01-02 黄耀忠 Audio wireless transmitting device used in battroom or toilet
CN1592493A (en) * 2003-09-01 2005-03-09 乐金电子(中国)研究开发中心有限公司 Portable terminal wireless microphone apparatus and method
CN2681505Y (en) * 2004-01-19 2005-02-23 康佳集团股份有限公司 Equipment with wireless sound box

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