CN102780865A - Television and audio playing method thereof - Google Patents
Television and audio playing method thereof Download PDFInfo
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- CN102780865A CN102780865A CN2012102569126A CN201210256912A CN102780865A CN 102780865 A CN102780865 A CN 102780865A CN 2012102569126 A CN2012102569126 A CN 2012102569126A CN 201210256912 A CN201210256912 A CN 201210256912A CN 102780865 A CN102780865 A CN 102780865A
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Abstract
The invention belongs to the field of televisions and provides a television and a playing method thereof. By the television comprising an analysis module and a control module, input signals of the television are sampled and analyzed. By the aid of analysis and judgment of the analysis module and executing judgment results by the control module, when only audio signals output by the television are received, the television cannot be automatically turned off and can play sound normally, and accordingly, the problem that a user needs to repeatedly manually set the audio playing function when an existing television receives the audio signals only is solved.
Description
Technical field
The invention belongs to field of television, relate in particular to a kind of television set and audio frequency playing method thereof.
Background technology
Along with everybody more and more payes attention to energy-conserving and environment-protective, the function of shutting down automatically when importing like no signal increasing energy-saving environmental-protection function also appearred, on television set.
But along with increasing of electronic digital product, for example, the equipment of an output audio such as CD player, MP3 player; When these equipment linked to each other with television set, television set can provide the function of a voice playing to let the user manually select, and the user needs the manual function voice playing to open; Wait this equipment to use up; The user needs again manually the function of this voice playing to be turned off, and insert manually opened again this function of this equipment next time, brings bad operating experience to the user like this.Therefore, existing television set needs manually to be provided with repeatedly the problem of voice playing function when receiving only audio signal.
Summary of the invention
The object of the present invention is to provide a kind of television set, be intended to solve existing television set needs manually to be provided with repeatedly the voice playing function when receiving only audio signal problem.
In order to address the above problem, the present invention is achieved in that a kind of television set, comprises the audio frequency output module; Be connected with outside source, the signal of said outside source input is carried out frequency sampling and the time block of interruption is set; Be connected with said time block, the analog voltage signal of said audio frequency output module output carried out the analog-to-digital conversion module of analog-to-digital conversion generation respective value; It is characterized in that: said television set also comprises:
Be connected with said analog-to-digital conversion module; The numerical simulation that said analog-to-digital conversion module is passed over goes out and this numerical value corresponding simulating signal waveform; Judge whether said analog signal waveform is conventional audio signal waveform, and export the parsing module of decision signal according to judged result;
Be connected with said parsing module, the decision signal of exporting according to said parsing module shuts down or the control module of voice playing control to television set; And
Be connected with the output of said audio frequency output module and the input of said analog-to-digital conversion module, be used for said audio frequency output module and said analog-to-digital conversion module are carried out the physical connection module of physical connection.
Further, said control module comprises automatic shutdown control unit and voice playing control unit.
Further; Said physical connection module comprises electric capacity, first resistance and second resistance, the output of the said audio frequency output module of first termination of said electric capacity; Second end of said electric capacity links to each other with first end of said first resistance, the second termination antenna of said first resistance; Second end of said electric capacity and first end of said first resistance are connected to first end of said second resistance altogether, the input of the said analog-to-digital conversion module of second termination of said second resistance.
Another object of the present invention also is to provide a kind of audio frequency playing method based on described television set, and the method for said voice playing may further comprise the steps:
Time block carries out frequency sampling to the input signal of television set; And the type of judgement television receiver input signal; Type control television set normal play video according to said television receiver input signal; Perhaps read the analog voltage signal of audio frequency output module output, and said analog voltage signal is carried out analog-to-digital conversion generation relevant numerical by analog-to-digital conversion module;
Parsing module goes out and said numerical value corresponding simulating signal waveform according to said numerical simulation; And judge whether said analog signal waveform is consistent with conventional audio signal waveform, and carry out voice playing or control television set timing shutdown when no signal is imported according to judged result.
Further; Said time block carries out frequency sampling to the input signal of television set; And the type of judgement television receiver input signal; According to the type of said television receiver input signal control television set normal play video, perhaps read the analog voltage signal of audio frequency output module output, and said analog voltage signal is carried out the step that analog-to-digital conversion generates relevant numerical specifically may further comprise the steps by analog-to-digital conversion module:
A1. said time block carries out frequency sampling to television receiver input signal;
A2. said time block judges whether television receiver input signal is vision signal, is, execution in step a3 then, not, execution in step a4 then;
A3. television set normal play video and return said step a1;
A4. said analog-to-digital conversion module reads the analog voltage signal of said audio frequency output module output, analog voltage signal is carried out analog-to-digital conversion generation relevant numerical be kept in the said parsing module.
Further; Said parsing module goes out and said numerical value corresponding simulating signal waveform according to said numerical simulation; And judge whether said analog signal waveform is consistent with conventional audio signal waveform, and the step of carrying out voice playing or controlling television set timing shutdown when no signal is imported according to judged result specifically may further comprise the steps:
B1. said parsing module goes out and numerical value corresponding simulating signal waveform according to numerical simulation;
B2. said parsing module judges whether analog signal waveform is consistent with conventional audio signal waveform, is, execution in step b3 then, not, execution in step b4 then;
B3. the voice playing control unit of said control module control television set is carried out normal voice playing and is returned said step a1;
B4. the automatic shutdown control unit of said control module is controlled television set timing shutdown when no signal is imported.
In the present invention; The television set that comprises said parsing module and control module through employing; Television receiver input signal is carried out sampling analysis, and analysis judgment through parsing module and control module be to the execution of judged result, and then make television set when receiving only the audio signal that television set exports; Can not shut down automatically and ability normal play sound, thereby solve existing television set needs manually be provided with repeatedly the voice playing function when receiving only audio signal problem.
Description of drawings
Fig. 1 is the modular structure figure of the television set that provides of first embodiment of the invention;
Fig. 2 is the exemplary circuit structure chart of physical connection module in the television set that provides of first embodiment of the invention;
Fig. 3 is the realization flow figure of the audio frequency playing method of the television set that provides of second embodiment of the invention;
Fig. 4 is the concrete realization flow figure of the audio frequency playing method of the television set that provides of third embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention; The television set that comprises parsing module and control module through employing; Television receiver input signal is carried out sampling analysis; Analysis judgment through parsing module and control module be to the execution of judged result, and then make television set when receiving only the audio signal that television set exports, and can not shut down automatically and can normal play sound.
Below in conjunction with specific embodiment concrete realization of the present invention is described in detail:
Embodiment one:
Fig. 1 shows the modular structure of the television set that first embodiment of the invention provides, and for the ease of explanation, only shows the part relevant with first embodiment of the invention, and details are as follows:
The television set that the embodiment of the invention provides comprises: audio frequency output module 500; Be connected with outside source 100, the signal of outside source 100 input is carried out frequency sampling and the time block 200 of interruption is set; Be connected with time block 200, the analog voltage signal of audio frequency output module 500 outputs carried out the analog-to-digital conversion module 300 of analog-to-digital conversion generation respective value; Television set also comprises:
Be connected with analog-to-digital conversion module 300; The numerical simulation that analog-to-digital conversion module 300 is passed over goes out and this numerical value corresponding simulating signal waveform; Judge whether this analog signal waveform is conventional audio signal waveform, and export the parsing module 600 of decision signal according to judged result;
Be connected with parsing module 600, the decision signal of being exported according to parsing module 600 shuts down or the control module 700 of voice playing control to television set; And
Be connected with the output of audio frequency output module 500 and the input of analog-to-digital conversion module 300, be used for audio frequency output module 500 and analog-to-digital conversion module 300 are carried out the physical connection module 400 of physical connection.
Further, control module 700 comprises automatic shutdown control unit 7001 and voice playing control unit 7002.
Further, as shown in Figure 2, physical connection module 400 comprises capacitor C 1; First resistance R 1 and second resistance R 2; The output of the first ending connecting audio output module 500 of capacitor C 1, second end of capacitor C 1 links to each other with first end of first resistance R 1, the second termination antenna of first resistance R 1; First end of second end of capacitor C 1 and first resistance R 1 is connected to first end of second resistance R 2 altogether, the input of the second termination analog-to-digital conversion module 300 of said second resistance R 2.
Embodiment two:
Fig. 3 shows the realization flow of the audio frequency playing method of the television set that second embodiment of the invention provides, and for the ease of explanation, only shows the part relevant with second embodiment of the invention, and details are as follows:
In step S1; Time block carries out frequency sampling to the input signal of television set; And the type of judgement television receiver input signal; Type control television set normal play video according to television receiver input signal is perhaps read the analog voltage signal of audio frequency output module output, and analog voltage signal is carried out analog-to-digital conversion generation relevant numerical by analog-to-digital conversion module.
In embodiments of the present invention, television receiver input signal can be vision signal, audio signal, picture signal, perhaps three's combination in any signal.
In step S2; Parsing module goes out and numerical value corresponding simulating signal waveform according to numerical simulation; And judge whether analog signal waveform is consistent with conventional audio signal waveform, and carry out voice playing or control television set timing shutdown when no signal is imported according to judged result.
Embodiment three:
Fig. 4 shows the concrete realization flow of the audio frequency playing method of the television set that third embodiment of the invention provides, and for the ease of explanation, only shows the part relevant with third embodiment of the invention, and details are as follows:
Present embodiment is that the concrete realization to step S1 in the second embodiment of the invention and step S2 is described further.
In step S101, time block carries out frequency sampling to television receiver input signal.
Wherein, the frequency sampling cycle is 1ms (being that the frequency sampling frequency is 1KHz), and promptly every separated 1ms takes place once to interrupt, then execution in step S102, step S103, step S104, step S201, step S202, step S203 and step S204 in interruption.
In step S102, time block judges whether television receiver input signal is vision signal, is, execution in step S103 then, not, execution in step S104 then.
In step S103, the television set normal play video also returns step 101.
In step S104, analog-to-digital conversion module reads the analog voltage signal of audio frequency output module output, analog voltage signal is carried out analog-to-digital conversion generation relevant numerical be kept in the parsing module.
In step S201, parsing module goes out and numerical value corresponding simulating signal waveform according to numerical simulation.
Wherein, conventional audio signal waveform is similar to sine wave, and amplitude is normal, and all numerical value that parsing module is kept at step S104 parsing module simulate and numerical value corresponding simulating signal waveform by the corresponding relation of frequency and amplitude.
In step S202, judge whether analog signal waveform is consistent with conventional audio signal waveform, is, execution in step S203 then, not, execution in step S204 then.
Wherein, Whether judge whether the step consistent with conventional audio signal waveform specifically is that this analog signal waveform and conventional audio volume control (being the sine waveform of audio signal) are compared to analog signal waveform, be normal audio signal to judge analog signal.
In step S203, the voice playing control unit of control module control television set is carried out normal voice playing and is returned step S101.
In step S204, automatic shutdown control unit control television set timing shutdown when no signal is imported of control module.
In the present embodiment, above-mentioned steps S101 is the concrete realization flow of the step S1 described in the second embodiment of the invention to step S104, and step S201 is the concrete realization flow of the step S2 described in the third embodiment of the invention to step S204.
In embodiments of the present invention; The television set that comprises parsing module and control module through employing; Signal to outside input carries out sampling analysis, and analysis judgment through parsing module and control module be to the execution of judged result, and then when making television set in accepting television receiver input signal, have only audio signal; Can not shut down automatically and ability normal play sound, need manually be provided with repeatedly the problem that no signal is not shut down thereby solved the user.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a television set comprises the audio frequency output module; Be connected with outside source, the signal of said outside source input is carried out frequency sampling and the time block of interruption is set; Be connected with said time block, the analog voltage signal of said audio frequency output module output carried out the analog-to-digital conversion module of analog-to-digital conversion generation respective value; It is characterized in that: said television set also comprises:
Be connected with said analog-to-digital conversion module; The numerical simulation that said analog-to-digital conversion module is passed over goes out and this numerical value corresponding simulating signal waveform; Judge whether said analog signal waveform is conventional audio signal waveform, and export the parsing module of decision signal according to judged result;
Be connected with said parsing module, the decision signal of exporting according to said parsing module shuts down or the control module of voice playing control to television set; And
Be connected with the output of said audio frequency output module and the input of said analog-to-digital conversion module, be used for said audio frequency output module and said analog-to-digital conversion module are carried out the physical connection module of physical connection.
2. television set as claimed in claim 1 is characterized in that: said control module comprises automatic shutdown control unit and voice playing control unit.
3. television set as claimed in claim 1; It is characterized in that: said physical connection module comprises electric capacity; First resistance and second resistance; The output of the said audio frequency output module of first termination of said electric capacity, second end of said electric capacity links to each other with first end of said first resistance, the second termination antenna of said first resistance; Second end of said electric capacity and first end of said first resistance are connected to first end of said second resistance altogether, the input of the said analog-to-digital conversion module of second termination of said second resistance.
4. method based on the voice playing of the described television set of claim 1, it is characterized in that: the method for said voice playing may further comprise the steps:
Time block carries out frequency sampling to the input signal of television set; And the type of judgement television receiver input signal; Type control television set normal play video according to said television receiver input signal; Perhaps read the analog voltage signal of audio frequency output module output, and said analog voltage signal is carried out analog-to-digital conversion generation relevant numerical by analog-to-digital conversion module;
Parsing module goes out and said numerical value corresponding simulating signal waveform according to said numerical simulation; And judge whether said analog signal waveform is consistent with conventional audio signal waveform, and carry out voice playing or control television set timing shutdown when no signal is imported according to judged result.
5. the method for voice playing as claimed in claim 4; It is characterized in that: said time block carries out frequency sampling to the input signal of television set; And the type of judgement television receiver input signal; According to the type of said television receiver input signal control television set normal play video, perhaps read the analog voltage signal of audio frequency output module output, and said analog voltage signal is carried out the step that analog-to-digital conversion generates relevant numerical specifically may further comprise the steps by analog-to-digital conversion module:
A1. said time block carries out frequency sampling to television receiver input signal;
A2. said time block judges whether television receiver input signal is vision signal, is, execution in step a3 then, not, execution in step a4 then;
A3. television set normal play video and return said step a1;
A4. said analog-to-digital conversion module reads the analog voltage signal of said audio frequency output module output, analog voltage signal is carried out analog-to-digital conversion generation relevant numerical be kept in the said parsing module.
6. the method for voice playing as claimed in claim 5; It is characterized in that: said parsing module goes out and said numerical value corresponding simulating signal waveform according to said numerical simulation; And judge whether said analog signal waveform is consistent with conventional audio signal waveform, and the step of carrying out voice playing or controlling television set timing shutdown when no signal is imported according to judged result specifically may further comprise the steps:
B1. said parsing module goes out and numerical value corresponding simulating signal waveform according to numerical simulation;
B2. said parsing module judges whether analog signal waveform is consistent with conventional audio signal waveform, is, execution in step b3 then, not, execution in step b4 then;
B3. the voice playing control unit of said control module control television set is carried out normal voice playing and is returned said step a1;
B4. the automatic shutdown control unit of said control module is controlled television set timing shutdown when no signal is imported.
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| CN201210256912.6A CN102780865B (en) | 2012-07-24 | 2012-07-24 | Television and audio playing method thereof |
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| CN201210256912.6A CN102780865B (en) | 2012-07-24 | 2012-07-24 | Television and audio playing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700858A (en) * | 2015-02-14 | 2015-06-10 | 苏黎 | Music playing control circuit and music playing terminal |
| CN111726681A (en) * | 2020-06-19 | 2020-09-29 | 海信视像科技股份有限公司 | Audio output device selection method and display device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1972415A (en) * | 2005-11-25 | 2007-05-30 | 乐金电子（沈阳）有限公司 | Interface apparatus connecting external instrument and television output system and method using same |
| CN101039398A (en) * | 2007-04-09 | 2007-09-19 | 海尔集团公司 | Method for playing television audio and television for realizing the same |
| CN101378466A (en) * | 2007-08-30 | 2009-03-04 | 海尔集团公司 | Television and method for controlling receiving mode |
| CN101466009A (en) * | 2007-12-17 | 2009-06-24 | 佛山普立华科技有限公司 | Electronic equipment and method for sharing same transmission interface for audio and video signal |
| CN101471116A (en) * | 2007-12-27 | 2009-07-01 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and its energy-saving method |
| CN101729830A (en) * | 2008-10-17 | 2010-06-09 | 深圳Tcl新技术有限公司 | Audio-video device with hybrid standby mode and implementation method thereof |
| CN101883205A (en) * | 2010-05-26 | 2010-11-10 | 友达光电股份有限公司 | Circuit for checking input signals and relative liquid crystal display television |
-
2012
- 2012-07-24 CN CN201210256912.6A patent/CN102780865B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1972415A (en) * | 2005-11-25 | 2007-05-30 | 乐金电子（沈阳）有限公司 | Interface apparatus connecting external instrument and television output system and method using same |
| CN101039398A (en) * | 2007-04-09 | 2007-09-19 | 海尔集团公司 | Method for playing television audio and television for realizing the same |
| CN101378466A (en) * | 2007-08-30 | 2009-03-04 | 海尔集团公司 | Television and method for controlling receiving mode |
| CN101466009A (en) * | 2007-12-17 | 2009-06-24 | 佛山普立华科技有限公司 | Electronic equipment and method for sharing same transmission interface for audio and video signal |
| CN101471116A (en) * | 2007-12-27 | 2009-07-01 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and its energy-saving method |
| CN101729830A (en) * | 2008-10-17 | 2010-06-09 | 深圳Tcl新技术有限公司 | Audio-video device with hybrid standby mode and implementation method thereof |
| CN101883205A (en) * | 2010-05-26 | 2010-11-10 | 友达光电股份有限公司 | Circuit for checking input signals and relative liquid crystal display television |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104700858A (en) * | 2015-02-14 | 2015-06-10 | 苏黎 | Music playing control circuit and music playing terminal |
| CN111726681A (en) * | 2020-06-19 | 2020-09-29 | 海信视像科技股份有限公司 | Audio output device selection method and display device |
| US11954401B2 (en) | 2020-06-19 | 2024-04-09 | Hisense Visual Technology Co., Ltd. | Method for selecting audio output device, and display apparatus |
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| CN102780865B (en) | 2015-06-03 |
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