CN108040021A - A kind of wireless audio transmission system and its transmission method - Google Patents
A kind of wireless audio transmission system and its transmission method Download PDFInfo
- Publication number
- CN108040021A CN108040021A CN201711205261.7A CN201711205261A CN108040021A CN 108040021 A CN108040021 A CN 108040021A CN 201711205261 A CN201711205261 A CN 201711205261A CN 108040021 A CN108040021 A CN 108040021A
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- audio
- frequency information
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- address
- collecting device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/25—Routing or path finding in a switch fabric
- H04L49/252—Store and forward routing
-
- 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
- H04B1/02—Transmitters
- H04B1/04—Circuits
- H04B1/0475—Circuits with means for limiting noise, interference or distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/12—Shortest path evaluation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/74—Address processing for routing
- H04L45/745—Address table lookup; Address filtering
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The present invention discloses a kind of wireless audio transmission system, including at least one audio collecting device, at least one interchanger and at least one audio reception device；The audio collecting device includes audio collection unit, filtration treatment unit, AD conversion unit, address acquisition unit and audio push unit；The interchanger includes information memory cell, query unit, path optimization's screening unit and some Switch Interface Unit.The present invention passes through the filtration treatment unit and AD conversion unit in audio collecting device, noise in audio-frequency information can be removed and realize the Digital Transmission of audio-frequency information, the quality and accuracy of transmission audio are improved, reduces the interference of external noise signal and the unstability of signal transmission；Audio-frequency information is stored by interchanger, is inquired about and the optimum choice of transmission path, improves the efficiency of transmission, which has the characteristics that easy to operate, stability is high and accuracy is high.
Description
Technical field
The invention belongs to audio transmission techniques field, is related to a kind of wireless audio transmission system and its transmission method.
Background technology
In recent years, as the fast development of wireless technology, audio transmission techniques are infiltrated into daily life, mesh
Before, in wireless audio frequency transmission function field, generally use analog signal transmission, causes to be highly susceptible to do during audio transmission
Disturb, particularly when there is the bad powerful device of Electro Magnetic Compatibility in system, often cause cross-talk, staccato, sonic boom etc. is asked
Topic so that the signal-to-noise ratio of signal declines, also so that the tonequality of conventional wireless audio transmission is severely limited.
Further, since audio information transmissions generally use wireless transmission method, then can serious shadow once intermediate equipment is abnormal
Ring audio-frequency information laser propagation effect, cause message information can not be transmitted to audio reception device, there are transmission path it is single and
The problem of transmission stability is poor, thus need to design it is a kind of by surrounding environment influence is smaller, transmission range is farther, antijamming capability more
By force, the more preferable wireless audio transmission system of audio quality effect and its transmission method.
The content of the invention
It is an object of the invention to provide a kind of wireless audio transmission system and its method, solves existing audio transmission
During, there are poor anti jamming capability, transmission path it is single and the problem of audio quality is poor.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of wireless audio transmission system, including at least one audio collecting device, at least one interchanger and at least one
A audio reception device；
The audio collecting device is used to gather audio-frequency information, and noise filtering, modulus turn are carried out to the audio-frequency information of collection
Processing is changed, and the IP address of transformed digital quantity audio-frequency information and the audio collecting device is sent to interchanger；
The interchanger is used for the digital quantity audio-frequency information and the audio collecting device for receiving audio collecting device transmission
IP address, and the digital quantity audio-frequency information of reception is stored, and inquired about and exchanged according to the IP address of audio collecting device
The IP address information of the audio reception device stored in machine, and then the optimal path for reaching audio reception device is filtered out, according to
Optimal path sends digital quantity audio-frequency information on the audio reception device to match to the IP address with audio collecting device；
The audio reception device is used for the digital quantity audio-frequency information that desampler is sent, to the digital quantity audio of reception
Information carries out digital-to-analogue conversion and carries out audio output.
Further, the audio collecting device include audio collection unit, filtration treatment unit, AD conversion unit,
Address acquisition unit and audio push unit, the audio collection unit is used to gather audio-frequency information, and the audio of collection is believed
Breath is sent to filtration treatment unit；
The filtration treatment unit is used to be handled the audio-frequency information of reception, removes the drop-in in audio, and
The audio-frequency information filtered out after handling is sent to AD conversion unit；
The AD conversion unit is used to the audio-frequency information after filtering out processing being converted into digital quantity audio-frequency information, and will
The digital quantity audio-frequency information of conversion is sent to audio push unit；
Described address acquiring unit is used for the IP address information for obtaining audio collecting device, and the IP address of acquisition is sent
To audio push unit；
The audio push unit is used for the digital quantity audio-frequency information for receiving AD conversion unit transmission and address obtains
The IP address information that unit is sent, and the digital quantity audio-frequency information of reception and IP address information are sent to interchanger.
Further, the interchanger includes information memory cell, query unit and path optimization's screening unit；
Described information storage unit is used for the digital quantity audio/video information for storing audio collecting device transmission, stores not unisonance
The IP address of the corresponding audio reception device of frequency collecting device IP address and some routing informations for reaching audio reception device；
The query unit is used for the IP address for receiving audio collecting device, and according to IP address inquiry and the IP address
Corresponding audio reception device, and if by the main line in information memory cell between the audio collecting device and audio reception device
Footpath information is sent to path optimization's screening unit；
Path optimization's screening unit is used for some routing informations for receiving query unit transmission, and some paths are believed
Breath is compared, and then filters out optimal path.
A kind of wireless audio transmission method, comprises the following steps：
S1, the audio-frequency information to collection filter, and remove noise, improve the purity of audio-frequency information；
S2, by the audio-frequency information after filtration treatment be converted into digital quantity audio-frequency information；
S3, the IP address information for obtaining audio collecting device；
S4, according to the IP address of audio collecting device inquiry with the corresponding audio reception device of the IP address；
S5, optimize screening to audio collecting device to some paths audio reception device, selects optimal road
Footpath；
S6, judge whether the interchanger in optimal path is abnormal, if wherein one or more interchanger transmission abnormalities, into
Row step S7, if interchanger transmission is normal, carries out step S8；
S7, the upper interchanger in unusual condition, plan optimal path, and then obtain the second path optimizing again；
S8, by digital quantity audio-frequency information be converted into analog quantity audio-frequency information, and exports audio-frequency information.
Beneficial effects of the present invention：
The audio-frequency information of sound intermediate frequency collecting device collection of the present invention is transmitted to audio reception device by some interchangers, real
The remote transmission of existing audio-frequency information；, can be by sound by the filtration treatment unit and AD conversion unit in audio collecting device
Noise in frequency information removes and realizes the Digital Transmission of audio-frequency information, improves the quality and accuracy of transmission audio, reduces
The interference of external noise signal and the unstability of signal transmission；Audio-frequency information is stored by interchanger, inquire about with
And the optimum choice of transmission path, the more options and efficiency of transmission height, the invention for improving transmission path have easy to operate, steady
The characteristics of qualitative height and high accuracy.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, embodiment will be described below required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is a kind of schematic diagram of wireless audio transmission system of the present invention；
Fig. 2 is a kind of schematic diagram of wireless audio transmission method of the present invention.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without creative efforts
Embodiment, belongs to the scope of protection of the invention.
Refering to Figure 1, the present invention is a kind of wireless audio transmission system, including at least one audio collecting device,
At least one interchanger and at least one audio reception device；
Audio collecting device is used to gather audio-frequency information, at the filtering of audio-frequency information progress noise, analog-to-digital conversion to collection
Reason, and the IP address of transformed digital quantity audio-frequency information and the audio collecting device is sent to interchanger；
Interchanger is with being used for the IP for the digital quantity audio-frequency information and audio collecting device for receiving audio collecting device transmission
Location, and the digital quantity audio-frequency information of reception is stored, and inquired about according to the IP address of audio collecting device in interchanger
The IP address information of the audio reception device of storage, and then the optimal path for reaching audio reception device is filtered out, according to optimal
Path sends digital quantity audio-frequency information on the audio reception device to match to the IP address with audio collecting device.
Audio reception device is used for the digital quantity audio-frequency information that desampler is sent, to the digital quantity audio-frequency information of reception
Carry out digital-to-analogue conversion and carry out audio output.
Audio collecting device include audio collection unit, filtration treatment unit, AD conversion unit, address acquisition unit and
Audio push unit, audio collection unit is used to gather audio-frequency information, and the audio-frequency information of collection is sent to filtration treatment list
Member；
Filtration treatment unit is used to be handled the audio-frequency information of reception, removes the drop-in in audio, and will filter
Except the audio-frequency information after processing is sent to AD conversion unit, to ensure the accuracy of audio-frequency information, external noise signal is reduced
Interference；
AD conversion unit is used to the audio-frequency information after filtering out processing being converted into digital quantity audio-frequency information, and will conversion
Digital quantity audio-frequency information send to audio push unit；
Address acquisition unit is used for the IP address information for obtaining audio collecting device, and the IP address of acquisition is sent to sound
Frequency push unit；
Audio push unit is used for the digital quantity audio-frequency information and address acquisition unit for receiving AD conversion unit transmission
The IP address information of transmission, and the digital quantity audio-frequency information of reception and IP address information are sent to interchanger.
Interchanger includes information memory cell, query unit, path optimization's screening unit and some Switch Interface Unit；
Information memory cell is used for the digital quantity audio/video information for storing audio collecting device transmission, stores different audios and adopts
Collect the IP address of the corresponding audio reception device of IP address of equipment and reach some routing informations of audio reception device；
Query unit is used for the IP address for receiving audio collecting device, and opposite with the IP address according to IP address inquiry
The audio reception device answered, and some paths in information memory cell between the audio collecting device and audio reception device are believed
Breath is sent to path optimization's screening unit；
Path optimization's screening unit be used for receive query unit transmission some routing informations, and to some routing informations into
Row compares, and then filters out optimal path；
Switch Interface Unit is connected with information memory cell, path optimization's screening unit and audio reception device respectively, is used
Sent in by digital quantity audio-frequency information and transmission optimal path to next interchanger, or digital quantity audio-frequency information is sent to audio
Receiving device.
Audio reception device includes D/A conversion unit and audio output unit, and D/A conversion unit is used for the number of reception
Word amount audio-frequency information is converted into analog quantity audio-frequency information, and analog quantity audio-frequency information is sent to audio output unit；
Audio output unit is used to carrying out the broadcasting of analog quantity audio-frequency information, wherein audio output unit can be power amplifier,
Sound equipment, earphone, multimedia console etc..
In addition, during if digital quantity audio-frequency information optimal path transmits, if one of interchanger is abnormal, it is located at
A upper interchanger for the interchanger plans path again, filters out the second path optimizing, ensures audio information transmissions path
Variation, while improve the stability of transmission.
As shown in Fig. 2, a kind of wireless audio transmission method, comprises the following steps：
S1, the audio-frequency information to collection filter, and remove noise, improve the purity of audio-frequency information；
S2, by the audio-frequency information after filtration treatment be converted into digital quantity audio-frequency information；
S3, the IP address information for obtaining audio collecting device；
S4, according to the IP address of audio collecting device inquiry with the corresponding audio reception device of the IP address；
S5, optimize screening to audio collecting device to some paths audio reception device, selects optimal road
Footpath；
S6, judge whether the interchanger in optimal path is abnormal, if wherein one or more interchanger transmission abnormalities, into
Row step S7, if interchanger transmission is normal, carries out step S8；
S7, the upper interchanger in unusual condition, plan optimal path, and then obtain the second path optimizing again；
S8, by digital quantity audio-frequency information be converted into analog quantity audio-frequency information, and exports audio-frequency information.
The audio-frequency information of sound intermediate frequency collecting device collection of the present invention is transmitted to audio reception device by some interchangers, real
The remote transmission of existing audio-frequency information；, can be by sound by the filtration treatment unit and AD conversion unit in audio collecting device
Noise in frequency information removes and realizes the Digital Transmission of audio-frequency information, improves the quality and accuracy of transmission audio, reduces
The interference of external noise signal and the unstability of signal transmission；Audio-frequency information is stored by interchanger, inquire about with
And the optimum choice of transmission path, the more options and efficiency of transmission height, the invention for improving transmission path have easy to operate, steady
The characteristics of qualitative height and high accuracy.
Above content is only to design example and explanation of the invention, affiliated those skilled in the art
Various modifications or additions are done to described specific embodiment or are substituted in a similar way, without departing from invention
Design or surmount scope defined in the claims, be within the scope of protection of the invention.
Claims (4)
- A kind of 1. wireless audio transmission system, it is characterised in that：Including at least one audio collecting device, at least one interchanger With at least one audio reception device；The audio collecting device is used to gather audio-frequency information, at the filtering of audio-frequency information progress noise, analog-to-digital conversion to collection Reason, and the IP address of transformed digital quantity audio-frequency information and the audio collecting device is sent to interchanger；The interchanger is with being used for the IP for the digital quantity audio-frequency information and audio collecting device for receiving audio collecting device transmission Location, and the digital quantity audio-frequency information of reception is stored, and inquired about according to the IP address of audio collecting device in interchanger The IP address information of the audio reception device of storage, and then the optimal path for reaching audio reception device is filtered out, according to optimal Path sends digital quantity audio-frequency information on the audio reception device to match to the IP address with audio collecting device；The audio reception device is used for the digital quantity audio-frequency information that desampler is sent, to the digital quantity audio-frequency information of reception Carry out digital-to-analogue conversion and carry out audio output.
- A kind of 2. wireless audio transmission system according to claim 1, it is characterised in that：The audio collecting device includes Audio collection unit, filtration treatment unit, AD conversion unit, address acquisition unit and audio push unit, the audio are adopted Collection unit is used to gather audio-frequency information, and the audio-frequency information of collection is sent to filtration treatment unit；The filtration treatment unit is used to be handled the audio-frequency information of reception, removes the drop-in in audio, and will filter Except the audio-frequency information after processing is sent to AD conversion unit；The AD conversion unit is used to the audio-frequency information after filtering out processing being converted into digital quantity audio-frequency information, and will conversion Digital quantity audio-frequency information send to audio push unit；Described address acquiring unit is used for the IP address information for obtaining audio collecting device, and the IP address of acquisition is sent to sound Frequency push unit；The audio push unit is used for the digital quantity audio-frequency information and address acquisition unit for receiving AD conversion unit transmission The IP address information of transmission, and the digital quantity audio-frequency information of reception and IP address information are sent to interchanger.
- A kind of 3. wireless audio transmission system according to claim 1, it is characterised in that：The interchanger is deposited including information Storage unit, query unit and path optimization's screening unit；Described information storage unit is used for the digital quantity audio/video information for storing audio collecting device transmission, stores different audios and adopts Collect the IP address of the corresponding audio reception device of IP address of equipment and reach some routing informations of audio reception device；The query unit is used for the IP address for receiving audio collecting device, and opposite with the IP address according to IP address inquiry The audio reception device answered, and some paths in information memory cell between the audio collecting device and audio reception device are believed Breath is sent to path optimization's screening unit；Path optimization's screening unit be used for receive query unit transmission some routing informations, and to some routing informations into Row compares, and then filters out optimal path.
- 4. a kind of wireless audio transmission method, it is characterised in that comprise the following steps：S1, the audio-frequency information to collection filter, and remove noise, improve the purity of audio-frequency information；S2, by the audio-frequency information after filtration treatment be converted into digital quantity audio-frequency information；S3, the IP address information for obtaining audio collecting device；S4, according to the IP address of audio collecting device inquiry with the corresponding audio reception device of the IP address；S5, optimize screening to audio collecting device to some paths audio reception device, selects optimal path；S6, judge whether the interchanger in optimal path is abnormal, if wherein one or more interchanger transmission abnormalities, are walked Rapid S7, if interchanger transmission is normal, carries out step S8；S7, the upper interchanger in unusual condition, plan optimal path, and then obtain the second path optimizing again；S8, by digital quantity audio-frequency information be converted into analog quantity audio-frequency information, and exports audio-frequency information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711205261.7A CN108040021B (en) | 2017-11-27 | 2017-11-27 | Wireless audio transmission system and transmission method thereof |
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| CN201711205261.7A CN108040021B (en) | 2017-11-27 | 2017-11-27 | Wireless audio transmission system and transmission method thereof |
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| CN108040021A true CN108040021A (en) | 2018-05-15 |
| CN108040021B CN108040021B (en) | 2021-05-14 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110312189A (en) * | 2019-06-10 | 2019-10-08 | 安徽沧浪网络科技有限公司 | A kind of audio collecting system based on wireless self-networking |
| CN110321097A (en) * | 2019-06-10 | 2019-10-11 | 安徽沧浪网络科技有限公司 | A kind of audio transmission system based on wireless self-networking |
| CN112039924A (en) * | 2020-11-02 | 2020-12-04 | 北京豪沃尔科技发展股份有限公司 | Communication equipment and communication system |
| CN113141561A (en) * | 2020-01-19 | 2021-07-20 | 神讯电脑(昆山)有限公司 | Device for realizing long-distance audio signal playing |
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| CN106789268A (en) * | 2016-12-27 | 2017-05-31 | 中山大学花都产业科技研究院 | A kind of network audio transmission method and system |
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| US20060120291A1 (en) * | 2004-12-03 | 2006-06-08 | Chao-Hung Wu | System structure for increasing the performance of data transmission on the internet |
| CN202818579U (en) * | 2012-10-16 | 2013-03-20 | 杨志豪 | Network conference interface microphone |
| CN105702264A (en) * | 2015-12-30 | 2016-06-22 | 努比亚技术有限公司 | Audio processing device and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110312189A (en) * | 2019-06-10 | 2019-10-08 | 安徽沧浪网络科技有限公司 | A kind of audio collecting system based on wireless self-networking |
| CN110321097A (en) * | 2019-06-10 | 2019-10-11 | 安徽沧浪网络科技有限公司 | A kind of audio transmission system based on wireless self-networking |
| CN113141561A (en) * | 2020-01-19 | 2021-07-20 | 神讯电脑(昆山)有限公司 | Device for realizing long-distance audio signal playing |
| CN112039924A (en) * | 2020-11-02 | 2020-12-04 | 北京豪沃尔科技发展股份有限公司 | Communication equipment and communication system |
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| CN108040021B (en) | 2021-05-14 |
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