CN110033788A - A kind of sound detection method, apparatus and system showing equipment - Google Patents
A kind of sound detection method, apparatus and system showing equipment Download PDFInfo
- Publication number
- CN110033788A CN110033788A CN201910262328.3A CN201910262328A CN110033788A CN 110033788 A CN110033788 A CN 110033788A CN 201910262328 A CN201910262328 A CN 201910262328A CN 110033788 A CN110033788 A CN 110033788A
- Authority
- CN
- China
- Prior art keywords
- audio
- signal
- detection
- sound
- display equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
- H04N21/43635—HDMI
Abstract
The invention discloses a kind of sound detection method, apparatus and system for showing equipment, wherein, show the sound detection method of equipment, the display equipment includes signal source interface, the following steps are included: obtaining the audio of the display equipment output of audio collecting device acquisition, the audio of the display equipment output is generated the sound detection method based on the audio detection signal for inputting the signal source interface;The collected audio of the audio collecting device is analyzed, to obtain sound detection result.Display detection method provided by the invention can replace worker to detect display equipment, to avoid there is artificial detection fault, such as missing inspection, false retrieval etc..
Description
Technical field
The present invention relates to equipment detection field more particularly to a kind of sound detection method, apparatus and system for showing equipment.
Background technique
Display equipment is widely used in office, teaching, amusement, commercial exhibition etc. for showing various information.So
And existing display equipment not only can only screen show, can also play sound simultaneously.Especially the LCD screens such as television set are aobvious
Show that equipment is commonly configured with sound play device, sound play device is according to receiving various video or audio signal source plays.
When detection before display equipment has been assembled and dispatched from the factory, usually worker is in assembly line to the display each letter of equipment
Number source interface and function carry out detection one by one, and sound detection mainly manually listens the sound subjectivity of display device plays to go
Judge whether qualification can dispatch from the factory display equipment, and there is no a real objective examination criterias, meanwhile, this is also required to producing line
Detection workman possesses experience abundant, can accurately just judge, there may be a small amount of missing inspection excessively.
Therefore, those skilled in the art is dedicated to developing the more standardized sound detection method, apparatus of one kind and is
System.
Summary of the invention
In view of the above drawbacks of the prior art, the technical problem to be solved by the present invention is to need people using artificial detection
Work subjective judgement, and there is also artificial detection fault and cause missing inspection.
To solve the above-mentioned problems, the present invention provides a kind of sound detection method for showing equipment, the display equipment
Including signal source interface, the sound detection method the following steps are included:
Obtain the audio of the display equipment output of audio collecting device acquisition, the audio base of the display equipment output
It is generated in the audio detection signal for inputting the signal source interface;
The collected audio of the audio collecting device is analyzed, to obtain sound detection result.
Further, the audio detection signal includes the binaural audio signal of same phase different frequencies, with frequently out of phase
Binaural audio signal and the same phase of same frequency but at least one of the two-channel swept-frequency signal of frequency variation.
Further, the analysis collected audio of audio collecting device includes noiseless detection and analysis, left and right sound
The analysis of road inverse detection, interchannel phase difference analysis, sound gently tests and analyzes, tone level tests and analyzes, the disconnected detection and analysis of sound and sound
At least one of vibration detection and analysis.
Further, the collected audio of audio collecting device is obtained by USB, LAN, bluetooth or WiFi.
Further, the audio detection signal be ATV signal, AV signal, DP signal, DTMB signal, DVI signal,
HDMI signal, MHL signal, VGA signal or YPrPb signal.
To solve the above-mentioned problems, the present invention also provides a kind of sound detection device for showing equipment, the display is set
Standby includes signal source interface, which is characterized in that the sound detection device includes: storage unit and processing unit, the storage
Unit is suitable for storage sound detection program, and the processing unit is adapted for carrying out the sound detection program to realize following processes:
Obtain the audio of the display equipment output of audio collecting device acquisition, the audio base of the display equipment output
It is generated in the audio detection signal for inputting the signal source interface;
The collected audio of the audio collecting device is analyzed, to obtain sound detection result.
Further, the audio detection signal includes the binaural audio signal of same phase different frequencies, with frequently out of phase
Binaural audio signal and the same phase of same frequency but at least one of the two-channel swept-frequency signal of frequency variation.
Further, the analysis collected audio of audio collecting device includes noiseless detection and analysis, left and right sound
The analysis of road inverse detection, interchannel phase difference analysis, sound gently tests and analyzes, tone level tests and analyzes, the disconnected detection and analysis of sound and sound
At least one of vibration detection and analysis.
To solve the above-mentioned problems, the present invention also provides a kind of sound detection systems for showing equipment, comprising: audio is adopted
Acquisition means and above-mentioned sound detection device.
It further, further include signal source generating device, for providing the sound detection signals to the display equipment.
By implementing the sound detection method, apparatus and system of the display equipment that aforementioned present invention provides, there is following skill
Art effect:
(1) worker can be replaced to detect display equipment, to avoid there is artificial detection fault, such as missing inspection, false retrieval etc..
(2) can detect simultaneously display device plays sound various problems (such as it is noiseless, reversed, sound is light, sound is disconnected
And sound vibration etc.), keep testing result more accurate, it is more convenient to search the reason of ging wrong.
(3) display equipment is generally provided with the PORT COMs such as network interface and USB, provides advantageous condition for data transmission, makes
It detects more convenient.
(4) it can detecte multi-signal source interface.
(5) time cost of culture detection workman is saved.
It is described further below with reference to technical effect of the attached drawing to design of the invention, specific structure and generation, with
It is fully understood from the purpose of the present invention, feature and effect.
Detailed description of the invention
Fig. 1 is the sound detection method schematic diagram that the embodiment of the present invention shows equipment;
Fig. 2 is the sound detection system schematic diagram that the embodiment of the present invention shows equipment;
Fig. 3 is the sound detection system schematic diagram that another embodiment of the present invention shows equipment.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Using several specific embodiments, the technical schemes of the invention are described in detail below.
Embodiment one
Fig. 1 is the sound detection method schematic diagram that the embodiment of the present invention shows equipment, as shown in Figure 1, the present embodiment is aobvious
Show the sound detection method of equipment, comprising the following steps:
Step S1: the audio of the display equipment output of audio collecting device acquisition, the audio base of display equipment output are obtained
It is generated in the audio detection signal of input signal source interface.
For example, in the present embodiment, display equipment (such as television set, computer display screen or advertisement screen etc.) to be detected
Equipped with multiple signal source interfaces, multi-signal can receive with compatibility, for example, ATV (Analog TV, input simulation) signal, AV
(audio A udio and video Video) signal, DP (DisplayPort, high-definition digital display port) signal, DTMB (Digital
Television Terrestrial Multimedia Broadcasting, digital TV ground multimedia broadcasting) signal,
DVI (Digital Visual Interface, digital visual interface) signal, HDMI (High Definition
Multimedia Interface, high-definition multimedia interface) signal, MHL (Mobile High-Definition Link,
Mobile terminal high-definition audio and video standard) signal, VGA (Video Graphics Array, Video Graphics Array) signal or YPrPb
At least one of (color difference components simulation) signal.By all channels to be detected of display equipment to be detected (i.e. signal source interface) with
The connection of signal source generating device (can be used artificial plug wire mode, robot automatic wire inserting mode can also be used, all detect when all
After complete, similarly line mode can be pulled out using artificial, or line mode is pulled out using robot automatically) after, pass through infrared remote control or net
Line communication will show that equipment is transferred under the corresponding modes for needing the signal path detected, and sound detection device is filled to signal source
It sets and sends instructions, so that signal source generating device is issued corresponding detection signal to display equipment to be detected, it is made to play audio, sound
The audio that the acquisition of frequency acquisition device plays, and so on, then will show that equipment is transferred to next signal path for needing to detect
Under corresponding modes ..., for example, carrying out the audio collection of ATV signal and HDMI signal, it will show that the ATV signal source in equipment connects
Mouth and HDMI signal source interface are connect with signal source generating device, are transferred to display equipment by infrared remote control or cable communication
Under ATV mode, sound detection device sends instructions to signal source generating device, and signal source generating device is made to issue ATV detection signal,
Show device plays audio, audio collecting device acquires the audio of the broadcasting;The audio collection for carrying out next signal, will show
Equipment is transferred under HDMI mode, and sound detection device sends instructions to signal source generating device, issues signal source generating device
HDMI detects signal, shows device plays audio, and audio collecting device acquires the audio of the broadcasting.And so on, if display
Equipment can also receive other signals and need to carry out coherent detection, successively acquire its corresponding broadcasting audio.
In another preferred embodiment, as shown in figure 3, sound detection device and display equipment to be detected can be connected
It connects, sound detection device can be used for obtaining the state of display equipment to be detected, and be sent out according to the state of the display equipment of acquisition
It send and instructs or control display equipment to be detected and operated accordingly, specifically include automatic obtain and show the existing mode of equipment
To send command adapted thereto, then automatically controls display equipment and be switched to and next need sense channel mode etc..For example, still with
For the Image Acquisition for carrying out ATV signal and HDMI signal, after sound detection device is connect with display equipment to be detected, sound inspection
It surveys device and obtains the mode that display equipment to be detected is shown automatically, if what is obtained is not ATV and HDMI mode, sound detection
Device control display equipment to be detected is switched to ATV mode and (is also possible to be switched to HDMI mode, this is to need to detect signal
It is randomly selected in channel), detection ATV signal command is then sent to signal source generating device, and signal source generating device issues
ATV signal is to display equipment to be detected to play audio and acquisition, and then sound detection device controls display equipment to be detected and cuts
It changes to HDMI mode and continues audio collection, if what is obtained is ATV or HDMI mode, for example what is obtained is HDMI mode,
Then sound detection device directly transmits detection HDMI signal command to signal source generating device, and signal source occurs dress and issues HDMI letter
Number to display equipment to be detected to play and acquire audio, then sound detection device controls display equipment to be detected and is switched to
ATV mode continues audio collection.
It in the present embodiment, include audio detection signal, audio detection in the detection signal that signal source generating device is sent
Signal includes the binaural audio signal of same phase different frequencies, with out of phase binaural audio signal frequently and with frequently with mutually but frequently
At least one of the binaural audio signal of rate variation.For example, the binaural audio signal with phase different frequencies can be left sound
Road frequency is 400Hz, right channel frequency is 1000Hz, the identical audio signal of left and right acoustic channels phase;With the out of phase alliteration of frequency
It is 1000Hz, the audio signal that phase difference is 180 degree that audio channel signal, which can be left and right acoustic channels frequency,;With frequency with phase but frequency
The two-channel swept-frequency signal of variation can be the swept-frequency signal that left and right acoustic channels parameter is all the same but frequency is from 20Hz to 2000Hz.It can
Go out acoustic problem to have individual audio detection signal detections according to these, it may for example comprise it is noiseless, reversed, sound is light, sound it is disconnected with
And sound vibration etc., and the problem of detected according to these, accurately find the root of generation problem.In practical application,
The audio detection signal that signal source generating device is sent can be the continuous audio signal of three section audio signals composition, and first segment is
L channel frequency 400Hz, right channel frequency 1000Hz other parameters voice signal all the same, second segment are left and right acoustic channels frequency
It is 1000Hz, the voice signal that phase difference is 180 degree, other parameters are all the same, third section is that left and right acoustic channels parameter is all the same
But swept-frequency signal of the frequency from 20Hz to 2000Hz.
It is possible to further obtain the collected audio of audio collecting device by USB, LAN, bluetooth or WiFi.Such as
Audio collecting device (such as microphone) is connect with sound detection device by usb line, the sound that audio collecting device is acquired
It keeps pouring in and gives sound detection device and analyzed.Or audio collecting device or sound detection device initiate BlueTooth request, matching
The laggard row information interaction of success.
Step S2: analyzing the collected audio of the audio collecting device, to obtain sound detection result.That is,
Sound detection device analyzes the i.e. two groups of audios in left and right of the acquisition audio received, and two groups of audios are depicted as audiograph
Shape carries out relevant detection and analysis, can specifically include noiseless detection and analysis, the analysis of left and right acoustic channels inverse detection, left and right acoustic channels
Phase difference is analyzed, sound gently tests and analyzes, tone level tests and analyzes, sound breaks at least one of detection and analysis and sound vibration detection and analysis.
Noiseless detection and analysis, if audio graphics (the i.e. acquisition audio that will receive of sound detection device of acquisition audio
It is depicted as audio graphics, brief description is the audio graphics for acquiring audio) it is straight line, then testing result is noiseless;Conversely,
Then testing result is sound.
Left and right acoustic channels inverse detection analysis, if it is 400Hz, right channel that the audio detection signal played, which is L channel frequency,
Frequency is the audio signal of 1000Hz, if it is 400Hz, right channel frequency that the audio graphics of acquisition audio, which is similarly L channel frequency,
For 1000Hz, then testing result is not reversed;If the audio graphics of acquisition audio is that L channel frequency is 1000Hz, right channel frequency
Rate is 400Hz, then testing result is reversed.
Interchannel phase difference analysis, if it is 1000Hz and phase that the audio detection signal played, which is left and right acoustic channels frequency,
Potential difference is the audio of 180 degree, and calculating acquisition audio, (i.e. the acquisition audio that receives of sound detection device, brief description are acquisition
Audio) in frequency be 1000Hz ingredient phase, phase obtained by left and right acoustic channels, which is made the difference, can be obtained required phase difference, then with
The phase difference 180 degree of audio detection signal is compared analysis, if in the normal range, testing result be phase difference detection just
Often, otherwise testing result is that phase difference detection is abnormal.
Sound gently tests and analyzes, if the audio detection signal played is that left and right acoustic channels frequency is 1000Hz and amplitude is identical
Audio, calculate acquisition sound intermediate frequency rate be 1000Hz ingredient amplitude, if the amplitude of left and right acoustic channels is in the normal range,
Testing result is that sound gently detects normally, and otherwise testing result gently detects abnormal for sound.
Tone level tests and analyzes, if the audio detection signal played is that left and right acoustic channels frequency is 1000Hz and amplitude is identical
Audio, calculate acquisition sound intermediate frequency rate be 1000Hz ingredient amplitude, if left and right acoustic channels amplitude difference is in the normal range,
Testing result is that tone level detection is normal, and otherwise testing result is that tone level detection is abnormal.
Sound is disconnected to be tested and analyzed, if the audio detection signal played is that left and right acoustic channels frequency is 1000Hz and amplitude is identical
Audio, calculate acquisition sound intermediate frequency rate is whether 1000Hz ingredient continuous, testing result is that the disconnected detection of sound is normal if continuous,
Otherwise testing result is that the disconnected detection of sound is abnormal.
Sound vibration tests and analyzes, if the audio detection signal played is frequency from 20Hz to 2000Hz and what amplitude was uniform sweeps
Frequency domain audio does frequency-domain analysis to acquisition audio, if the amplitude of certain frequency is far longer than normal value, then it is assumed that display equipment is in the frequency
Casing resonance occurs at point.When analysis reason may be the frequency and close casing resonant frequency for playing audio, casing will be generated
Strong covibration, main cause are that casing screw is not tightened.
Embodiment two
Fig. 2 is the sound detection system schematic diagram of the display equipment of the embodiment of the present invention, as shown in Fig. 2, the present embodiment
Sound detection system includes display equipment, audio collecting device, signal source generating device and sound detection device to be detected.
Display equipment to be detected, such as television set, computer display screen (LCD, liquid crystal display etc.) and advertisement screen etc.
Deng, these display equipment screen audio is also played while show image, therefore be also required to these display equipment export
Audio detected, i.e., example is carried out by the audio that plays when the signal source interface different aforementioned sources signal of these equipment
Sound detection such as noiseless, reversed, sound is light, sound is disconnected and sound shakes, wherein multiple signal sources can be housed in each display equipment
Interface, with compatible receiver multiple signal source, for example, ATV signal, AV signal, DP signal, DTMB signal, DVI signal, HDMI believe
Number, at least one of MHL signal, VGA signal or YPrPb signal.Therefore, it is necessary to carry out to all signal source interfaces of display equipment
Sound detection before factory is to guarantee the quality of the television set.
Audio collecting device, for acquiring the audio of display device plays to be detected, and by wired or wireless
Mode, send the audio-frequency information of acquisition to sound detection device and analyze.Such as it is to be detected aobvious with microphone records
The sound for showing device plays, is then transferred to sound detection device.
Sound detection device, the audio for acquiring audio collecting device carry out analysis and output test result.Tool
Body includes: storage unit and processing unit, and storage unit is suitable for storage sound detection program, and processing unit is adapted for carrying out sound inspection
Ranging sequence is to realize following processes: the audio of the display equipment output of audio collecting device acquisition is obtained, display equipment output
Audio is generated based on the audio detection signal of input signal source interface;The collected audio of the audio collecting device is analyzed, with
Obtain sound detection result.The process is similar to embodiment one, and details are not described herein again.
In another preferred embodiment, as shown in figure 3, sound detection device and display equipment to be detected can be connected
It connects, processing unit is adapted for carrying out sound detection program and also realizes following processes: obtaining the existing mould of display equipment to be detected automatically
Formula is switched to send corresponding control instruction and control display equipment and next needs sense channel mode etc..
Signal source generating device includes sound detection signals for providing detection signal to display equipment to be detected, can
To provide multiple signal source, for example, TV signal, AV signal, DP signal, DTMB signal, DVI signal, HDMI signal, MHL signal,
At least one of VGA signal or YPrPb signal.
In the present embodiment, signal source generating device includes: central processing unit, HDMI distributor, signal adapter and letter
Number source interface;Wherein, central processing exports HDMI video signal;Such as output HDMI video signal includes the 4K with HDCP encryption
Signal and/or the HDMI signal encrypted without HDCP.HDMI distributor is for inputting HDMI video signal or output multi-channel
HDMI video signal.The HDMI video signal that HDMI distributor exports is converted into other vision signals by signal adapter, for example,
Signal adapter includes at least one of DVI converter, AV converter, YPbPr converter and VGA converter.Wherein, DVI
Converter is connect with the HDMI distributor of the input tape HDCP 4K signal encrypted, AV converter, YPbPr converter, VGA converter
HDMI distributor with input without the HDCP HDMI signal encrypted is connect;Signal source interface exports vision signal.Signal source connects
Mouth includes that HDMI signal source interface, DVI signal source interface, AV signal source interface, YPbPr signal source interface and VGA signal source connect
At least one of mouthful, it can be docked respectively with the signal source interface of display equipment to be detected.The signal source generating device will be each
Kind signal source function combines, and integrated level is high.User can be specified according to their own needs in the audio-video in signal source
Hold, while also bluetooth module, WiFi module and digital transmission module, is not interfere with each other between module, detection data transmission is convenient and efficient.
It should be noted that can be handed over based on signal source generating device detection USB port, LAN port, bluetooth and wifi etc.
Whether mutual transfer function is normal.And can according to demand, independently select detection content (ATV signal, AV signal, DP signal,
The detection of DTMB signal, DVI signal, HDMI signal, MHL signal, VGA signal or YPrPb signal), due to HDMI signal detection,
MHL signal detection, DP signal detection, AV signal detection, YPbPr signal detection, VGA signal detection, ATV signal detection, DTMB
Signal detection, the configuration of device used in television screen defects detection is all the same, and combinable is a board, but whole item visual inspections
It is longer to survey the time, according to the selected detection project of client and detection time, can appropriate adjustment board quantity, with detection ordering.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of sound detection method for showing equipment, the display equipment includes signal source interface, which is characterized in that the sound
Sound detection method the following steps are included:
The audio of the display equipment output of audio collecting device acquisition is obtained, the audio of the display equipment output is based on defeated
The audio detection signal for entering the signal source interface generates;
The collected audio of the audio collecting device is analyzed, to obtain sound detection result.
2. the sound detection method of display equipment as described in claim 1, which is characterized in that the audio detection signal includes
With the binaural audio signal of phase different frequencies, with the out of phase binaural audio signal of frequency and with frequency with mutually but frequency variation
At least one of two-channel swept-frequency signal.
3. the sound detection method of display equipment as described in claim 1, which is characterized in that the analysis audio collection
The collected audio of device includes noiseless detection and analysis, left and right acoustic channels inverse detection is analyzed, interchannel phase difference is analyzed, sound is light
Detection and analysis, tone level test and analyze, sound breaks at least one of detection and analysis and sound vibration detection and analysis.
4. as described in claim 1 display equipment sound detection method, which is characterized in that by USB, LAN, bluetooth or
WiFi obtains the collected audio of audio collecting device.
5. the sound detection method of display equipment as described in claim 1, which is characterized in that the audio detection signal is
ATV signal, AV signal, DP signal, DTMB signal, DVI signal, HDMI signal, MHL signal, VGA signal or YPrPb signal.
6. a kind of sound detection device for showing equipment, the display equipment includes signal source interface, which is characterized in that the sound
Sound detection device includes: storage unit and processing unit, and the storage unit is suitable for storage sound detection program, and the processing is single
Member is adapted for carrying out the sound detection program to realize following processes:
The audio of the display equipment output of audio collecting device acquisition is obtained, the audio of the display equipment output is based on defeated
The audio detection signal for entering the signal source interface generates;
The collected audio of the audio collecting device is analyzed, to obtain sound detection result.
7. the sound detection device of display equipment as claimed in claim 6, which is characterized in that the audio detection signal includes
With the binaural audio signal of phase different frequencies, with the out of phase binaural audio signal of frequency and with frequency with mutually but frequency variation
At least one of two-channel swept-frequency signal.
8. the sound detection device of display equipment as claimed in claim 6, which is characterized in that the analysis audio collection
The collected audio of device includes noiseless detection and analysis, left and right acoustic channels inverse detection is analyzed, interchannel phase difference is analyzed, sound is light
Detection and analysis, tone level test and analyze, sound breaks at least one of detection and analysis and sound vibration detection and analysis.
9. a kind of sound detection system for showing equipment characterized by comprising audio collecting device and claim 7 or 8 institutes
The sound detection device stated.
10. the sound detection system of display equipment as claimed in claim 9, which is characterized in that further include that signal source fills
It sets, for providing the sound detection signals to the display equipment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910262328.3A CN110033788B (en) | 2019-04-02 | 2019-04-02 | Sound detection method, device and system of display equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910262328.3A CN110033788B (en) | 2019-04-02 | 2019-04-02 | Sound detection method, device and system of display equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
CN110033788A true CN110033788A (en) | 2019-07-19 |
CN110033788B CN110033788B (en) | 2021-06-15 |
Family
ID=67237276
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910262328.3A Active CN110033788B (en) | 2019-04-02 | 2019-04-02 | Sound detection method, device and system of display equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110033788B (en) |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050122802A (en) * | 2004-06-25 | 2005-12-29 | 주식회사 대우일렉트로닉스 | Speaker condition test apparatus for television |
US20070069739A1 (en) * | 2005-09-27 | 2007-03-29 | Ronald Quan | Method and apparatus to measure differential phase and frequency modulation distortions for audio equipment |
US20070070254A1 (en) * | 2005-09-26 | 2007-03-29 | Cazier Robert P | Video standard determination |
CN102209255A (en) * | 2010-03-31 | 2011-10-05 | 索尼公司 | Television signal receiver apparatus with sound signal detection |
CN102905161A (en) * | 2012-09-28 | 2013-01-30 | 福州德州电子科技有限公司 | Automatic test method and system of television flow line production |
CN106028248A (en) * | 2016-08-08 | 2016-10-12 | 广州视源电子科技股份有限公司 | Loudspeaker polarity detection method and device |
CN205812272U (en) * | 2016-06-28 | 2016-12-14 | 青岛歌尔声学科技有限公司 | A kind of audio collection frock and cloud server |
CN107666609A (en) * | 2017-11-08 | 2018-02-06 | 无锡基隆电子有限公司 | A kind of loudspeaker left and right acoustic channels distinguish detection device and its detection method |
CN207197785U (en) * | 2017-08-17 | 2018-04-06 | 上海帆声图像科技有限公司 | A kind of detecting system of display device |
CN207491132U (en) * | 2017-08-17 | 2018-06-12 | 上海帆声图像科技有限公司 | A kind of detection production line for showing equipment |
CN108900835A (en) * | 2018-09-21 | 2018-11-27 | 南京创维平面显示科技有限公司 | A kind of television audio phase test device and test method |
CN208581307U (en) * | 2018-08-01 | 2019-03-05 | 上海帆声图像科技有限公司 | A kind of signal processing apparatus |
-
2019
- 2019-04-02 CN CN201910262328.3A patent/CN110033788B/en active Active
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050122802A (en) * | 2004-06-25 | 2005-12-29 | 주식회사 대우일렉트로닉스 | Speaker condition test apparatus for television |
US20070070254A1 (en) * | 2005-09-26 | 2007-03-29 | Cazier Robert P | Video standard determination |
US20070069739A1 (en) * | 2005-09-27 | 2007-03-29 | Ronald Quan | Method and apparatus to measure differential phase and frequency modulation distortions for audio equipment |
CN102209255A (en) * | 2010-03-31 | 2011-10-05 | 索尼公司 | Television signal receiver apparatus with sound signal detection |
CN102905161A (en) * | 2012-09-28 | 2013-01-30 | 福州德州电子科技有限公司 | Automatic test method and system of television flow line production |
CN205812272U (en) * | 2016-06-28 | 2016-12-14 | 青岛歌尔声学科技有限公司 | A kind of audio collection frock and cloud server |
CN106028248A (en) * | 2016-08-08 | 2016-10-12 | 广州视源电子科技股份有限公司 | Loudspeaker polarity detection method and device |
CN207197785U (en) * | 2017-08-17 | 2018-04-06 | 上海帆声图像科技有限公司 | A kind of detecting system of display device |
CN207491132U (en) * | 2017-08-17 | 2018-06-12 | 上海帆声图像科技有限公司 | A kind of detection production line for showing equipment |
CN107666609A (en) * | 2017-11-08 | 2018-02-06 | 无锡基隆电子有限公司 | A kind of loudspeaker left and right acoustic channels distinguish detection device and its detection method |
CN208581307U (en) * | 2018-08-01 | 2019-03-05 | 上海帆声图像科技有限公司 | A kind of signal processing apparatus |
CN108900835A (en) * | 2018-09-21 | 2018-11-27 | 南京创维平面显示科技有限公司 | A kind of television audio phase test device and test method |
Non-Patent Citations (2)
Title |
---|
A.JOLY ET AL: "AUDIO-VISUAL QUALITY AND INTERACTIONS BETWEEN TELEVISION AUDIO AND VIDEO", 《PROCEEDINGS OF THE SIXTH INTERNATIONAL SYMPOSIUM ON SIGNAL PROCESSING AND ITS APPLICATIONS》 * |
李思晴: "基于DirectShow的数字电视异态检测系统的设计与实现", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Also Published As
Publication number | Publication date |
---|---|
CN110033788B (en) | 2021-06-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3468183B1 (en) | System and method for audio and video synchronization test | |
CN103873857B (en) | Test equipment and test method for audio and video output interface | |
CA2806092C (en) | Method and apparatus for automatic synchronization of audio and video signals | |
CN110010044A (en) | It is a kind of to show the display detection method of equipment, apparatus and system | |
CN105100794B (en) | Audio-visual synchronization method of testing and device | |
CN101500177B (en) | Video monitoring system detection method and apparatus thereof | |
JP5896617B2 (en) | Test measurement system, test measurement instrument, and measurement view synchronization method thereof | |
US20030115591A1 (en) | System and method for verifying content displayed on an electronic visual display | |
CN109508276B (en) | Method for improving equipment factory detection efficiency on Android platform | |
CN105979255A (en) | Audio acquisition tooling, method and cloud server | |
CN109618151A (en) | The automatic test approach of TV images | |
US20210021807A1 (en) | Set-Top Box with Self-Monitoring and System and Method for Use of Same | |
CN109686385A (en) | Video and audio device test system | |
CN106657995A (en) | Parameter testing method and parameter testing system based on multi-turner set-top box | |
CN111491248A (en) | Audio detection system and audio detection method of electronic product | |
US10373647B2 (en) | Recording system and method for multi-track recording | |
CN110581988B (en) | Signal quality detection method and device, electronic equipment and storage medium | |
CN111182434A (en) | Conference system microphone anomaly detection method, conference system and test system | |
CN110033788A (en) | A kind of sound detection method, apparatus and system showing equipment | |
CN110010045A (en) | It is a kind of to show the detection method of equipment, apparatus and system | |
CN114339413A (en) | Method and system for monitoring screen playing content | |
CN205812272U (en) | A kind of audio collection frock and cloud server | |
KR101451699B1 (en) | Verification System and Method for Digital Broadcasting Receiving Apparatus | |
CN107968942B (en) | Method and system for measuring audio and video time difference of live broadcast platform | |
CN205812273U (en) | The machine shake test fixture of a kind of audio output apparatus and system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |