CN116863977A - Multimedia fusion playing control method and system - Google Patents
Multimedia fusion playing control method and system Download PDFInfo
- Publication number
- CN116863977A CN116863977A CN202310854796.6A CN202310854796A CN116863977A CN 116863977 A CN116863977 A CN 116863977A CN 202310854796 A CN202310854796 A CN 202310854796A CN 116863977 A CN116863977 A CN 116863977A
- Authority
- CN
- China
- Prior art keywords
- value
- multimedia
- signal
- multimedia player
- playing
- 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
- 230000004927 fusion Effects 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims description 18
- 230000008054 signal transmission Effects 0.000 claims abstract description 31
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims description 7
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
- G11C7/16—Storage of analogue signals in digital stores using an arrangement comprising analogue/digital [A/D] converters, digital memories and digital/analogue [D/A] converters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/165—Management of the audio stream, e.g. setting of volume, audio stream path
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
The invention discloses a multimedia fusion playing control system, which acquires playing characteristic values of a multimedia player, wherein the playing characteristic values comprise power values, distortion values and signal to noise ratios and are respectively marked as ZP, ZS and BX; analyzing the playing effect of the multimedia player and obtaining a tone quality representation value ZBy; analyzing the quality performance of the multimedia player according to the tone quality performance value ZBy in the preset playing time; when a playing quality disqualification signal is obtained, checking and judging an input end of the multimedia player, and generating a positive correlation signal and a negative correlation signal; when the positive correlation signal is affected, a worker adjusts the signal transmission and the voltage transmission of the multimedia player, so that the stability of the output of the multimedia player is ensured; when the negative correlation signal is affected, checking the equipment of the multimedia player by a worker; the invention greatly improves the playing quality of the multimedia player.
Description
Technical Field
The invention relates to the technical field of multimedia playing, in particular to a playing control method and a playing control system for multimedia fusion.
Background
Chinese patent CN106971752a discloses a multimedia playing control method, applied to an electronic device, comprising: obtaining a multimedia file; playing the multimedia file; acquiring a first trigger instruction in the process of playing the multimedia file, and suspending the multimedia file based on the first trigger instruction; acquiring a second trigger instruction, and determining a play mode responding to the second trigger instruction; the second trigger instruction is different from the first trigger instruction; the playing mode is a first mode, and the multimedia file is continuously played based on the pause time of the multimedia file; the playing mode is a second mode, and the multimedia file is played based on the starting moment of the multimedia file;
in the prior art, the multimedia player has the influence of the change of the playing tone quality in the use process, so that a user can normally use the multimedia player, and when a problem occurs, the user cannot check the multimedia player in time.
Disclosure of Invention
The present invention aims to solve the above-mentioned problems of the background art, and provides a multimedia fusion playing control method and a system thereof.
The aim of the invention can be achieved by the following technical scheme:
a multimedia converged play control system, comprising:
the acquisition module acquires a play characteristic value of the multimedia player, wherein the play characteristic value comprises a power value ZP, a distortion value ZS and a signal-to-noise ratio BX;
the analysis module calculates to obtain a tone quality representation value ZBy of the multimedia player through a formula ZBy = (a1+a2+bx) -a3×zs; wherein a1, a2 and a3 are all proportionality coefficients;
the quality module is used for setting the acquisition time node as T, wherein the acquisition time node T comprises an initial acquisition time Tc, a midpoint acquisition time Tz and an end acquisition time Tj;
correspondingly acquiring a tone quality representation value ZByc of the acquisition initial time Tc, a tone quality representation value ZByz of the acquisition midpoint time Tz and a tone quality representation value ZByj of the acquisition end time Tj respectively;
acquiring a tone quality expression maximum value ZBymax and a tone quality expression minimum value ZBymin an acquisition time node, and acquiring time Tmax corresponding to the tone quality expression maximum value ZBymax and acquiring time Tmin corresponding to the tone quality expression minimum value ZBymin;
by the formula ZBz = { (b 1 x ZByc-b2 x ZByz) 2 /(Tc-Tz) 2 +(b2*ZByz-b3*ZByj) 2 /(Tz-Tj) 2 }+{(b4*ZBymax-b5*ZBymin) 2 /(Tmax-Tmin) 2 Calculating a quality representation value ZBz of the multimedia player; wherein b1, b2, b3, b4 and b5 are all proportionality coefficients.
As a further scheme of the invention: the mass module further comprises:
comparing the obtained quality representation value of the multimedia player with a quality representation threshold value of the multimedia player;
if the signal is larger than the preset value, generating a playing quality disqualification signal;
if the signal is smaller than the preset value, generating a playing quality qualified signal.
As a further scheme of the invention: further comprises:
the detection module acquires a multimedia signal transmission frequency value and a multimedia output voltage value in the acquisition time node T and marks the multimedia signal transmission frequency value and the multimedia output voltage value as ZPC and ZUC respectively;
constructing a two-dimensional coordinate system by taking an acquisition time node as an X axis and taking a multimedia signal transmission frequency value and a multimedia output voltage value as a Y axis, substituting the obtained multimedia signal transmission frequency value ZPC into the coordinate system, marking two multimedia signal transmission frequency value points with the largest Y axis value as high-frequency points, marking two multimedia signal transmission frequency value points with the smallest Y axis value as low-frequency points, sequentially connecting to obtain a quadrangle, and marking the area value of the quadrangle as a signal transmission frequency influence value ZYx;
the two multimedia output voltage value points with the largest Y-axis value are marked as high-voltage points, the two multimedia output voltage value points with the smallest Y-axis value are marked as low-voltage points, connection is sequentially carried out to obtain a quadrangle, and the area value of the quadrangle is marked as an output voltage influence value ZYu.
As a further scheme of the invention: substituting the obtained signal transmission frequency influence value ZYx and output voltage influence value ZYu into the formula zys= (c1× ZYx +c2× ZYu) c1+c2 In the process, the liquid crystal display device comprises a liquid crystal display device,calculating to obtain an output end influence value ZYS; wherein, c1 and c2 are proportionality coefficients.
As a further scheme of the invention: comparing the obtained output end influence value ZYS with an output end influence threshold value;
if the signal is larger than the positive correlation signal, generating a positive correlation signal;
if it is smaller, a negative correlation signal is generated.
As a further scheme of the invention: further comprises:
the control module acquires the positive correlation signal and the negative correlation signal of the detection module, and when the positive correlation signal is acquired, the staff adjusts the signal transmission and the voltage transmission of the multimedia player; when the negative correlation signal is affected, the staff member checks the device of the multimedia player.
A play control method of multimedia fusion comprises the following steps:
step 1: the method comprises the steps of obtaining a play characteristic value of a multimedia player, wherein the play characteristic value comprises a power value, a distortion value and a signal to noise ratio, and the play characteristic value is marked as ZP, ZS and BX respectively; analyzing the playing effect of the multimedia player and obtaining a tone quality representation value ZBy;
step 2: analyzing the quality performance of the multimedia player according to the tone quality performance value ZBy in the preset playing time;
step 3: when a playing quality disqualification signal is obtained, checking and judging an input end of the multimedia player, and generating a positive correlation signal and a negative correlation signal; when the positive correlation signal is affected, a worker adjusts the signal transmission and the voltage transmission of the multimedia player, so that the stability of the output of the multimedia player is ensured; when the negative correlation signal is affected, the staff member checks the device of the multimedia player.
The invention has the beneficial effects that: according to the invention, the playing characteristic value of the multimedia player is analyzed according to the time dimension, the quality performance of the multimedia player is judged, and the stability of the signal input end and the voltage input end is detected based on the playing quality unqualified signal, so that a calculator can conveniently and accurately judge the playing stability of the multimedia player, the problem can be quickly found out, the maintenance and control can be timely carried out, and the playing quality of the multimedia player is greatly improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a system block diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, the present invention is a multimedia fusion play control system, comprising:
the acquisition module acquires a play characteristic value of the multimedia player, wherein the play characteristic value comprises a power value, a distortion value and a signal to noise ratio and is respectively marked as ZP, ZS and BX;
the analysis module is used for acquiring the power value ZP, the distortion value ZS and the signal-to-noise ratio BX of the acquisition module and analyzing the playing effect of the multimedia player;
the specific working process of the analysis module is as follows:
step 1: the power value ZP, the distortion value ZS and the signal to noise ratio BX of the acquisition module are acquired, and a tone quality representation value ZBy of the multimedia player is calculated through the formula ZBy = (a1, ZP+a2, BX) -a3; wherein a1, a2 and a3 are all proportionality coefficients, the value of a1 is 0.36, the value of a2 is 0.12, and the value of a3 is 0.28;
as can be seen from the above formula, the tone quality representation value ZBy of the multimedia player is in a proportional relationship with the power value ZP and the signal-to-noise ratio BX, and in an inverse proportional relationship with the distortion value ZS, that is, the larger the values of the power value ZP and the signal-to-noise ratio BX are, the better the playing effect of the multimedia player is, the larger the values of the distortion value ZS are, and the worse the playing effect of the multimedia player is;
the quality module acquires the tone quality representation value ZBy of the analysis module and analyzes the quality representation condition of the multimedia player according to the preset playing time;
the specific working process of the quality module is as follows:
step 1: setting an acquisition time node as T, wherein the acquisition time node T comprises an acquisition initial time Tc, an acquisition midpoint time Tz and an acquisition end time Tj;
correspondingly acquiring a tone quality representation value ZByc of the acquisition initial time Tc, a tone quality representation value ZByz of the acquisition midpoint time Tz and a tone quality representation value ZByj of the acquisition end time Tj respectively;
acquiring a tone quality expression maximum value ZBymax and a tone quality expression minimum value ZBymin an acquisition time node, and acquiring time Tmax corresponding to the tone quality expression maximum value ZBymax and acquiring time Tmin corresponding to the tone quality expression minimum value ZBymin;
by the formula ZBz = { (b 1 x ZByc-b2 x ZByz) 2 /(Tc-Tz) 2 +(b2*ZByz-b3*ZByj) 2 /(Tz-Tj) 2 }+{(b4*ZBymax-b5*ZBymin) 2 /(Tmax-Tmin) 2 Calculating a quality representation value ZBz of the multimedia player; wherein b1, b2, b3, b4 and b5 are all proportionality coefficients, b1 takes on a value of 1.03, b2 takes on a value of 1.64, b3 takes on a value of 1.92, b4 takes on a value of 0.84, and b5 takes on a value of 0.67;
step 2: comparing the obtained quality representation value ZBz of the multimedia player with a quality representation threshold of the multimedia player;
if the quality representation value ZBz of the multimedia player is larger than the quality representation threshold value of the multimedia player, generating a playing quality disqualification signal;
if the quality representation value ZBz of the multimedia player is smaller than the quality representation threshold value of the multimedia player, generating a playing quality qualified signal;
the playing quality disqualification signal is represented as that the sound quality representation value of the multimedia player has instability phenomenon in a playing time period, and the fluctuation is relatively large, so that the playing quality of the multimedia player is influenced; the playing quality qualified signal is represented as that the sound quality representation value of the multimedia player does not have instability phenomenon in the playing time period, the fluctuation is smaller, and the playing quality of the multimedia player is better;
the detection module is used for checking and judging whether the input end of the multimedia player is caused by the instability of the output end of the multimedia when the playing quality disqualification signal is acquired, so that a worker can check as soon as possible when the multimedia player fails;
the detection module specifically works as follows:
step 1: acquiring a multimedia signal transmission frequency value in an acquisition time node T, and marking the value as ZPC;
taking an acquisition time node as an X axis, taking a multimedia signal transmission frequency value as a Y axis, constructing a two-dimensional coordinate system, substituting the obtained multimedia signal transmission frequency value ZPC into the coordinate system, marking two multimedia signal transmission frequency value points with the largest Y axis value as high frequency points, marking two multimedia signal transmission frequency value points with the smallest Y axis value as low frequency points, sequentially connecting to obtain a quadrangle, and marking the area value of the quadrangle as a signal transmission frequency influence value ZYx;
step 2: acquiring a multimedia output voltage value in an acquisition time node T, and marking the multimedia output voltage value as ZUC;
constructing a two-dimensional coordinate system by taking an acquisition time node as an X axis and a multimedia output voltage value as a Y axis, substituting the obtained multimedia output voltage value ZUC into the coordinate system, marking two multimedia output voltage value points with the largest Y axis value as high-voltage points, marking two multimedia output voltage value points with the smallest Y axis value as low-voltage points, sequentially connecting lines to obtain a quadrangle, and marking the area value of the quadrangle as an output voltage influence value ZYu;
step 3: substituting the obtained signal transmission frequency influence value ZYx and output voltage influence value ZYu into the formula zys= (c1× ZYx +c2× ZYu) c1+c2 Calculating to obtain an output end influence value ZYS; wherein, c1 and c2 are both proportionality coefficients, c1 takes on the value of 1.96 and c2The value is 1.74;
step 4: comparing the obtained output end influence value ZYS with an output end influence threshold value;
if the influence value ZYS of the output end is larger than the influence threshold value of the output end, generating an influence positive correlation signal;
if the influence value ZYS of the output end is smaller than the influence threshold value of the output end, generating an influence negative correlation signal;
the influence positive correlation signal indicates that the multimedia player generates a reason that the sound effect of the multimedia player is poor in the playing process due to unstable signal transmission and voltage transmission; the influence negative correlation signal indicates that the multimedia player has a fault due to the player equipment, so that the multimedia player generates a reason that the sound effect of the multimedia player is poor in the playing process;
the control module acquires the positive correlation signal and the negative correlation signal of the detection module, and when the positive correlation signal is acquired, staff adjusts signal transmission and voltage transmission of the multimedia player to ensure the stability of the output of the multimedia player; when the negative correlation signal is affected, the staff member checks the device of the multimedia player.
Example 2
Based on the above embodiment 1, the playing control method of the multimedia fusion of the present invention includes the following steps:
step 1: the method comprises the steps of obtaining a play characteristic value of a multimedia player, wherein the play characteristic value comprises a power value, a distortion value and a signal to noise ratio, and the play characteristic value is marked as ZP, ZS and BX respectively; analyzing the playing effect of the multimedia player and obtaining a tone quality representation value ZBy;
step 2: analyzing the quality performance of the multimedia player according to the tone quality performance value ZBy in the preset playing time;
step 3: when a playing quality disqualification signal is obtained, checking and judging an input end of the multimedia player, and generating a positive correlation signal and a negative correlation signal; when the positive correlation signal is affected, a worker adjusts the signal transmission and the voltage transmission of the multimedia player, so that the stability of the output of the multimedia player is ensured; when the negative correlation signal is affected, the staff member checks the device of the multimedia player.
The working principle of the invention is as follows: according to the invention, the playing characteristic value of the multimedia player is analyzed according to the time dimension, the quality performance of the multimedia player is judged, and the stability of the signal input end and the voltage input end is detected based on the playing quality unqualified signal, so that a calculator can conveniently and accurately judge the playing stability of the multimedia player, the problem can be quickly found out, the maintenance and control can be timely carried out, and the playing quality of the multimedia player is greatly improved.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (7)
1. A multimedia converged playback control system, comprising:
the acquisition module acquires a play characteristic value of the multimedia player, wherein the play characteristic value comprises a power value ZP, a distortion value ZS and a signal-to-noise ratio BX;
the analysis module calculates to obtain a tone quality representation value ZBy of the multimedia player through a formula ZBy = (a1+a2+bx) -a3×zs; wherein a1, a2 and a3 are all proportionality coefficients;
the quality module is used for setting the acquisition time node as T, wherein the acquisition time node T comprises an initial acquisition time Tc, a midpoint acquisition time Tz and an end acquisition time Tj;
correspondingly acquiring a tone quality representation value ZByc of the acquisition initial time Tc, a tone quality representation value ZByz of the acquisition midpoint time Tz and a tone quality representation value ZByj of the acquisition end time Tj respectively;
acquiring a tone quality expression maximum value ZBymax and a tone quality expression minimum value ZBymin an acquisition time node, and acquiring time Tmax corresponding to the tone quality expression maximum value ZBymax and acquiring time Tmin corresponding to the tone quality expression minimum value ZBymin;
by the formula ZBz = { (b 1 x ZByc-b2 x ZByz) 2 /(Tc-Tz) 2 +(b2*ZByz-b3*ZByj) 2 /(Tz-Tj) 2 }+{(b4*ZBymax-b5*ZBymin) 2 /(Tmax-Tmin) 2 Calculating a quality representation value ZBz of the multimedia player; wherein b1, b2, b3, b4 and b5 are all proportionality coefficients.
2. The playback control system of claim 1, wherein the quality module further comprises:
comparing the obtained quality representation value of the multimedia player with a quality representation threshold value of the multimedia player;
if the signal is larger than the preset value, generating a playing quality disqualification signal;
if the signal is smaller than the preset value, generating a playing quality qualified signal.
3. The playback control system of claim 2, further comprising:
the detection module acquires a multimedia signal transmission frequency value and a multimedia output voltage value in the acquisition time node T and marks the multimedia signal transmission frequency value and the multimedia output voltage value as ZPC and ZUC respectively;
constructing a two-dimensional coordinate system by taking an acquisition time node as an X axis and taking a multimedia signal transmission frequency value and a multimedia output voltage value as a Y axis, substituting the obtained multimedia signal transmission frequency value ZPC into the coordinate system, marking two multimedia signal transmission frequency value points with the largest Y axis value as high-frequency points, marking two multimedia signal transmission frequency value points with the smallest Y axis value as low-frequency points, sequentially connecting to obtain a quadrangle, and marking the area value of the quadrangle as a signal transmission frequency influence value ZYx;
the two multimedia output voltage value points with the largest Y-axis value are marked as high-voltage points, the two multimedia output voltage value points with the smallest Y-axis value are marked as low-voltage points, connection is sequentially carried out to obtain a quadrangle, and the area value of the quadrangle is marked as an output voltage influence value ZYu.
4. A multimedia fusion play control system according to claim 3, characterized in that the obtained signal transmission frequency influence value ZYx and output voltage influence value ZYu are substituted into the formula zys= (c1× ZYx +c2× ZYu c1+c2 Calculating to obtain an output end influence value ZYS; wherein, c1 and c2 are proportionality coefficients.
5. The playback control system of claim 4, wherein the obtained output impact value ZYS is compared with an output impact threshold;
if the signal is larger than the positive correlation signal, generating a positive correlation signal;
if it is smaller, a negative correlation signal is generated.
6. The playback control system of claim 5, further comprising:
the control module acquires the positive correlation signal and the negative correlation signal of the detection module, and when the positive correlation signal is acquired, the staff adjusts the signal transmission and the voltage transmission of the multimedia player; when the negative correlation signal is affected, the staff member checks the device of the multimedia player.
7. The play control method of multimedia fusion according to claim 6, comprising the steps of:
step 1: the method comprises the steps of obtaining a play characteristic value of a multimedia player, wherein the play characteristic value comprises a power value, a distortion value and a signal to noise ratio, and the play characteristic value is marked as ZP, ZS and BX respectively; analyzing the playing effect of the multimedia player and obtaining a tone quality representation value ZBy;
step 2: analyzing the quality performance of the multimedia player according to the tone quality performance value ZBy in the preset playing time;
step 3: when a playing quality disqualification signal is obtained, checking and judging an input end of the multimedia player, and generating a positive correlation signal and a negative correlation signal; when the positive correlation signal is affected, a worker adjusts the signal transmission and the voltage transmission of the multimedia player, so that the stability of the output of the multimedia player is ensured; when the negative correlation signal is affected, the staff member checks the device of the multimedia player.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310854796.6A CN116863977B (en) | 2023-07-13 | 2023-07-13 | Multimedia fusion playing control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310854796.6A CN116863977B (en) | 2023-07-13 | 2023-07-13 | Multimedia fusion playing control method and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116863977A true CN116863977A (en) | 2023-10-10 |
| CN116863977B CN116863977B (en) | 2024-01-19 |
Family
ID=88218575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310854796.6A Active CN116863977B (en) | 2023-07-13 | 2023-07-13 | Multimedia fusion playing control method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116863977B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006084659A (en) * | 2004-09-15 | 2006-03-30 | Nippon Telegr & Teleph Corp <Ntt> | Audio signal analysis method, voice recognition methods using same, their devices, program, and recording medium thereof |
| CN102223196A (en) * | 2011-06-30 | 2011-10-19 | 北京广电天地信息咨询有限公司 | Testing method and system for testing spatial coupling performance of mobile multimedia broadcast terminal |
| CN102708902A (en) * | 2012-05-30 | 2012-10-03 | 深圳Tcl新技术有限公司 | Vehicle-bone multimedia player playing method and device |
| CN104424970A (en) * | 2013-08-19 | 2015-03-18 | 腾讯科技（深圳）有限公司 | Synchronization method and device for multimedia play information |
| CN109831733A (en) * | 2019-02-26 | 2019-05-31 | 北京百度网讯科技有限公司 | Test method, device, equipment and the storage medium of audio broadcast performance |
| CN109905808A (en) * | 2019-03-13 | 2019-06-18 | 北京百度网讯科技有限公司 | Method and apparatus for adjusting intelligent sound equipment |
| CN114116424A (en) * | 2021-11-25 | 2022-03-01 | 杭州逗酷软件科技有限公司 | Test method, test equipment and computer storage medium |
-
2023
- 2023-07-13 CN CN202310854796.6A patent/CN116863977B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006084659A (en) * | 2004-09-15 | 2006-03-30 | Nippon Telegr & Teleph Corp <Ntt> | Audio signal analysis method, voice recognition methods using same, their devices, program, and recording medium thereof |
| CN102223196A (en) * | 2011-06-30 | 2011-10-19 | 北京广电天地信息咨询有限公司 | Testing method and system for testing spatial coupling performance of mobile multimedia broadcast terminal |
| CN102708902A (en) * | 2012-05-30 | 2012-10-03 | 深圳Tcl新技术有限公司 | Vehicle-bone multimedia player playing method and device |
| CN104424970A (en) * | 2013-08-19 | 2015-03-18 | 腾讯科技（深圳）有限公司 | Synchronization method and device for multimedia play information |
| CN109831733A (en) * | 2019-02-26 | 2019-05-31 | 北京百度网讯科技有限公司 | Test method, device, equipment and the storage medium of audio broadcast performance |
| CN109905808A (en) * | 2019-03-13 | 2019-06-18 | 北京百度网讯科技有限公司 | Method and apparatus for adjusting intelligent sound equipment |
| CN114116424A (en) * | 2021-11-25 | 2022-03-01 | 杭州逗酷软件科技有限公司 | Test method, test equipment and computer storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116863977B (en) | 2024-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108401217B (en) | Signal output and TWS earphone testing method, terminal, device and storage medium | |
| JP2008543229A (en) | Method for measuring the sensitivity of a data packet signal receiver | |
| CN105959892B (en) | Method and system for test loudspeaker | |
| CN113395189B (en) | Vehicle-mounted Ethernet SQI signal quality testing method and system | |
| CN106027173A (en) | Sensitivity testing method and system | |
| CN116863977B (en) | Multimedia fusion playing control method and system | |
| CN105100794A (en) | Audio and video synchronization test method and apparatus | |
| US20190331524A1 (en) | Rack server noise monitoring system and method | |
| CN110440955A (en) | A kind of thermal resistance conditioning module Response Time Test System | |
| CN104682192B (en) | Generate the method and device of temperature lookup table of optical module | |
| CN115085829A (en) | Method for testing sensitivity under existence of multipath fading interference and electronic equipment | |
| US7133795B1 (en) | Techniques for testing an electronic system using in-line signal distortion | |
| CN113709650A (en) | Microphone testing method, device and storage medium | |
| CN104682193B (en) | The method for generating temperature lookup table of optical module | |
| US9510119B2 (en) | Method and device for detecting function of loudspeaker module | |
| CN116506321B (en) | Operation and maintenance intelligent terminal based on data analysis | |
| WO2020238702A1 (en) | Method for testing power amplifier | |
| US20110169480A1 (en) | Low voltage differential signaling test system and method | |
| CN111541427B (en) | Power calibration method, early warning device and system | |
| CN104734004B (en) | Generate the method and device of temperature lookup table of optical module | |
| CN113433402B (en) | Analog signal equalization quality detection method | |
| CN102128968B (en) | Low voltage differential signal testing system and method thereof | |
| CN110824405B (en) | System and method for detecting amplitude-frequency characteristics of capacitor voltage transformer | |
| CN110504695B (en) | Method for evaluating participation degree of double-fed fan in forced oscillation | |
| CN214750671U (en) | Testing device for switching time of PNP bipolar transistor |
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 |