CN111385614B - Voice system identification method, storage medium and smart television - Google Patents
Voice system identification method, storage medium and smart television Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
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- H04N21/25808—Management of client data
- H04N21/25841—Management of client data involving the geographical location of the client
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- 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
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Abstract
The invention discloses a voice system identification method, a storage medium and a smart television, wherein the method comprises the following steps: when the intelligent television receives a program signal, identifying a program image system and a program sound system of the program signal; determining the credible state of the program sound system according to a preset corresponding relation list of the image system and the sound system; when the credibility state is not credible, acquiring a region image system and a region sound system of a region where the intelligent television is located; and setting the regional image system and the regional sound system as the image system and the sound system of the program signal. The credibility of the program sound system is determined through the acquired program image system and program sound system, and when the program sound system is not credible, the image system and the sound system of the program signal are updated by adopting the regional image system and the regional sound system of the region where the intelligent television is located, so that the sound system is automatically identified, and the quality of the program signal is improved.
Description
Technical Field
The invention relates to the technical field of intelligent terminals, in particular to a voice system identification method, a storage medium and an intelligent television.
Background
For historical and technical development reasons, there are a plurality of sound systems in a television system, such as BK system, BG system, I system, and L/L system. Different countries and regions may adopt different sound standards, and even different standards exist in the same country. In addition, in europe, it is very likely that one place will receive channels from other countries due to geographical reasons. Under the circumstances, the problem that the sound system configuration of the intelligent television is wrong, so that no sound or noise exists in the television program is easy to occur.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a voice system identification method, a storage medium and a smart television.
The technical scheme adopted by the invention is as follows:
a method for recognizing a voice system includes:
when the intelligent television receives a program signal, identifying a program image system and a program sound system of the program signal;
determining the credible state of the program sound system according to a preset corresponding relation list of the image system and the sound system;
when the credible state is not credible, acquiring a regional image system and a regional sound system of a region where the intelligent television is located;
and setting the area image system and the area sound system as the image system and the sound system of the program signal.
The voice system identification method comprises the following steps:
and when the credible state is credible, setting the image system and the sound system of the program as the image system and the sound system of the program signal.
The method for identifying the sound system, wherein when the trusted status is untrusted, acquiring the area image system and the area sound system of the area corresponding to the program signal specifically includes:
when the credibility state is not credible, acquiring a first credibility value of the program sound system, and comparing the first credibility value with a preset credibility threshold;
and if the first reliability value is smaller than the reliability threshold value, acquiring a region image system and a region sound system of the region where the intelligent television is located.
The method for identifying the sound system, wherein if the first reliability value is smaller than the reliability threshold, acquiring the area image system and the area sound system of the area where the smart television is located specifically includes:
if the first credibility value is smaller than the credibility threshold, acquiring the geographical position of the smart television;
and searching a regional image system and a regional sound system corresponding to the program signal in preset image system and sound system data according to the geographic position.
The method for identifying the sound system, wherein when the trusted state is untrusted, acquiring a first confidence value of the sound system of the program, and comparing the first confidence value with the confidence threshold specifically includes:
when the credible state is not credible, acquiring the working state of the intelligent television receiving the program signal;
when the working state is the channel searching state, acquiring the noise level of the program signal, and determining a first credibility value of the program sound system according to the noise level;
and when the working state is the playing state, extracting a pre-stored first credibility value.
The method for identifying the sound system, wherein when the trusted state is untrusted, acquiring the regional image system and the regional sound system of the region where the smart television is located specifically includes:
when the credible state is not credible, extracting the system type corresponding to the program image system;
when the system type is a preset system type, switching the program sound system according to a switching relation corresponding to a preset image type;
acquiring a second credibility value of the switched program sound system, and determining the credibility state of the switched program sound system according to the second credibility value;
and if the credible state of the switched program sound system is not credible, acquiring a regional image system and a regional sound system of the region where the intelligent television is located.
The method for identifying the sound system, wherein the obtaining of the second reliability value of the sound system of the switched program and the determining of the reliability state of the sound system of the switched program according to the second reliability value specifically include:
acquiring a second credibility value of the switched program sound system, and comparing the second credibility value with the first credibility value;
and when the second reliability value is larger than the first reliability value, updating the program sound system by adopting the switched program sound system, and determining the reliability state of the switched program sound system according to the second reliability value.
The method for identifying the sound system, wherein the obtaining of the second reliability value of the sound system of the switched program and the determining of the reliability state of the sound system of the switched program according to the second reliability value specifically include:
comparing the second credibility value with a preset credibility threshold;
if the second reliability value is larger than the reliability threshold value, judging that the reliability state of the program sound system is reliable, and setting the program image system and the switched program image system as the image system and the sound system of the program signal;
and if the second reliability value is smaller than the reliability threshold value, judging that the reliability state of the program sound system is not credible, and executing the step of acquiring the region image system and the region sound system of the region where the intelligent television is located.
A computer readable storage medium storing one or more programs, which are executable by one or more processors to implement the steps in the method for recognizing a sound system as described in any one of the above.
A smart television, comprising: a processor, a memory, and a communication bus; the memory has stored thereon a computer readable program executable by the processor;
the communication bus realizes connection communication between the processor and the memory;
the processor implements the steps in the method for recognizing the voice system as described in any one of the above when executing the computer readable program.
Has the advantages that: compared with the prior art, the invention provides a voice system identification method, a storage medium and a smart television, wherein the method comprises the following steps: when the intelligent television receives a program signal, identifying a program image system and a program sound system of the program signal; determining the credible state of the program sound system according to a preset corresponding relation list of the image system and the sound system; when the credible state is not credible, acquiring a regional image system and a regional sound system of a region where the intelligent television is located; and setting the area image system and the area sound system as the image system and the sound system of the program signal. The credibility of the program sound system is determined through the acquired program image system and program sound system, and when the program sound system is not credible, the image system and the sound system of the program signal are updated by adopting the regional image system and the regional sound system of the region where the intelligent television is located, so that the sound system is automatically identified, and the quality of the program signal is improved.
Drawings
Fig. 1 is a flowchart of an embodiment of a voice format recognition method provided in the present invention.
Fig. 2 is a flowchart of step S30 in an embodiment of the method for identifying a voice format according to the present invention.
Fig. 3 is a flowchart of step S31 in an embodiment of the method for identifying a voice format according to the present invention.
Fig. 4 is a flowchart of step S32 in an embodiment of the method for identifying a voice format according to the present invention.
FIG. 5 is a schematic structural diagram of a control system using self-starting according to a preferred embodiment of the present invention.
Detailed Description
The invention provides a voice system identification method, a storage medium and a smart television, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail below by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention will be further explained by the description of the embodiments with reference to the drawings.
The embodiment provides a method for identifying a voice format, as shown in fig. 1, the method includes:
and S10, when the intelligent television receives the program signal, identifying the program image system and the program sound system of the program signal.
Specifically, the program image system is determined according to the number of lines of the signal and color synchronization information, and the program sound system is determined according to the carrier frequency of a sound signal carried by the program signal. After receiving the program signal, the smart television judges whether a program image system and a program sound system of the program signal need to be identified. That is, when the smart television receives the program sound system, whether the sound system identification condition is satisfied, and when the smart television satisfies the sound system identification condition, the program image system and the program sound system of the program signal are identified. The voice system identification condition may be that a voice system identification function is started, and the voice system identification condition may also be that whether the program signal receiving time meets a preset condition, for example, voice system identification is performed every preset time after the smart television is turned on.
In this embodiment, in order to reduce the occupancy rate of the sound system identification to the CPU of the smart television, the sound system identification condition is preferably that the smart television is in a channel searching state, or a program corresponding to a program signal is silent or carries a noise. Correspondingly, when the smart television receives a program signal, identifying the program image system and the program sound system of the program signal specifically includes: when the intelligent television receives a program signal, acquiring the state of the intelligent television; when the intelligent television is in a channel searching state, identifying a program image system and a program sound system of the program signal; when the intelligent television is in a playing state, acquiring the sound state of a program corresponding to the program signal; and if the sound state is silent or the noise volume is greater than a preset noise threshold value, identifying the program image system and the program sound system of the program signal. Wherein the noise threshold is preset.
S20, determining the credible state of the program sound system according to the corresponding relation list of the preset image system and sound system.
Specifically, the correspondence list between the image system and the sound system is configured in advance, and is used for storing a list of correspondence between the image system and the sound system, and the correspondence list stores a trusted state of a combination of the image system and the sound system. In this embodiment, the correspondence list is provided with an image system item, a sound system item, and a trusted state item, where the image system item is used to store an image system, the sound system item is used to store a sound system, and the trusted state item is used to store a trusted state of a combination of an image system and a sound system in the same row.
Further, the image system may include an NTSC system, a PAL system, and an SECAM system, and the image system and the sound system combination have different credibility, for example, the combination of the NTSC image system and the M/N sound system has a credible state, and the combination of the NTSC image system and the other sound systems except for the M/N sound system has an untrustworthy state, so that after the program image system and the program sound system of the program signal are acquired, the corresponding credible state of the combination of the program image system and the program sound system may be searched in the correspondence list. When the credible states of the program image system and the program sound system are searched, setting the searched credible state as the credible state of the program sound system; and when the credible states of the program image system and the program sound system are not found, setting the credible state of the program sound system as an untrustworthy state, and storing the corresponding relation between the program image system and the program sound system into the corresponding relation list so as to update the corresponding relation list. In this embodiment, the correspondence list is shown in table 1.
Table 1 correspondence list of image system and sound system
| Image system | Sound system | Trusted state |
| NTSC | M/N | Credible |
| NTSC | Others | Is not credible |
| PAL | BG，DK，I，M，N | Credible |
| PAL | Others | Is not credible |
| SECAM | Arbitrary | Is not credible |
The credible state is determined according to the matching relation between the image system and the sound system, the credible state refers to the matching between the image system and the sound system, and the credible state refers to the mismatching between the image system and the sound system. For example, when the image system is NTSC and the sound system is M/N, the image system and the sound system are matched, and the trusted status of the sound system is trusted; when the image system is NTSC, the sound system is other (other sound systems except M/N), the image system is not matched with the sound system, and the credibility state of the sound system is not credible.
And S30, when the credible state is not credible, acquiring a regional image system and a regional sound system of the region where the intelligent television is located.
Specifically, the area image system and the area sound system are default image systems and default sound systems of the area where the smart television is located. That is to say, when the trusted status is untrusted, the region where the smart television is located may be acquired, and the region image system and the region sound system may be searched according to the region. The smart television can locally pre-store the corresponding relationship between the area and the image system and the sound system, and determine the area image system and the area sound system corresponding to the area according to the corresponding relationship, and certainly, the smart television can also search the area image system and the area sound system corresponding to the area through a network. In this embodiment, the smart television stores the corresponding relationship between the area and the image system and the sound system in advance, so that the program image system and the area sound system can be obtained even when the smart television is not networked, and the success rate of sound system identification is improved. The correspondence between the area and the image system and the sound system may be as shown in table 2.
TABLE 2 correspondence between areas and image and sound systems
| State of the country | Sound system | Image system |
| Iraq | B | SECAM |
| Italy (chemical vapor deposition) | BG | PAL |
| Jamaica | M | NTSC |
| China | BG，DK，I | PAL |
Further, when the trusted state is not trusted, the credibility of the program sound system can be acquired, and the trusted state of the program sound system is further confirmed according to the credibility so as to improve the accuracy of the trusted state. Correspondingly, as shown in fig. 2, when the trusted status is untrusted, the acquiring a regional image format and a regional sound format of the region corresponding to the program signal specifically includes:
s31, when the credibility state is not credible, acquiring a first credibility value of the program sound system, and comparing the first credibility value with a preset credibility threshold;
s32, if the first credibility value is smaller than the credibility threshold, acquiring a region image system and a region sound system of the region where the intelligent television is located.
Specifically, the first confidence value threshold is determined according to the noise level of the program signal, that is, when the confidence state is not trusted, the noise level of the program signal is obtained, and the first confidence value of the program sound system is determined according to the noise level. Wherein there may be a correspondence between the noise level and the confidence level, for example, the noise level is inversely proportional to the confidence level, and the like. In addition, after the first reliability value is obtained, the first reliability value may be compared with a reliability threshold value, so as to further confirm the reliability state of the program sound system through the reliability threshold value, so as to improve the accuracy of the reliability state of the program sound system.
Further, in an embodiment of the present invention, when obtaining the first reliability value of the program sound system, it is necessary to determine the operating state of the smart television, so as to determine the manner of obtaining the first reliability value. Correspondingly, as shown in fig. 3, when the trusted status is untrusted, acquiring a first confidence value of the program sound system, and comparing the first confidence value with the confidence threshold specifically includes:
s311, when the credible state is not credible, acquiring the working state of the intelligent television receiving the program signal;
s312, when the working state is the channel searching state, acquiring the noise level of the program signal, and determining a first reliability value of the program sound system according to the noise level;
and S313, when the working state is the playing state, extracting a pre-stored first credibility value.
Specifically, when the working state is the playing state, the extracted first reliability value is the reliability obtained and stored when the channel of the smart television plays the program signal, and the sound system can be restored in the background when the program is played by obtaining the pre-stored first reliability value.
Further, the area where the smart television is located may be determined according to the geographic location where the smart television is located. Correspondingly, as shown in fig. 4, if the first reliability value is smaller than the reliability threshold, the acquiring a region image format and a region sound format of a region where the smart television is located specifically includes:
s321, if the first credibility value is smaller than the credibility threshold, acquiring the geographic position of the smart television;
s322, searching a regional image system and a regional sound system corresponding to the program signal in preset image system and sound system data according to the geographic position.
Specifically, the geographic location may be obtained by the smart television through a positioning system (e.g., GPS, etc.) carried by the smart television, or obtained by the smart television from a cloud or a background server through a network, etc. After the geographical position is obtained, the area where the intelligent television is located can be determined according to the geographical position, and finally, the area image system and the area sound system are determined according to the area. Of course, in practical applications, a region may correspond to a plurality of regional sound systems, that is, the region may use a plurality of sound systems. At this time, in order to improve the quality of the program, the regional sound systems and the regional image systems can be combined in sequence, the image systems and the sound systems of the program signals are set to be the regional sound systems and the regional image systems in sequence, the reliability of the program signals corresponding to the regional sound systems and the regional image systems is obtained, the regional sound system and the regional image system combination with the highest reliability are selected according to the reliability, and therefore the noise of the program can be further reduced, and the playing quality of the program is improved.
Further, in an embodiment of the present invention, when the trusted status is untrusted, the system type of the program image system may be used, the sound system of the program signal may be switched according to the system type of the program image system, and the reliability of the sound system after switching is compared with the reliability of the sound system before switching, so as to determine the reliability of the sound system. Correspondingly, when the trusted state is untrusted, the acquiring of the area image system and the area sound system of the area where the smart television is located specifically includes:
when the credible state is not credible, extracting the system type corresponding to the program image system;
when the system type is a preset system type, switching the program sound system according to a switching relation corresponding to a preset image type;
acquiring a second credibility value of the switched program sound system, and determining the credibility state of the switched program sound system according to the second credibility value;
and if the credible state of the switched program sound system is not credible, acquiring a regional image system and a regional sound system of the region where the intelligent television is located.
Specifically, the preset system type is preset, and in this embodiment, the preset system type is SECAM. That is to say, when the system type of the program image system is SECAM, the type of the program sound system is obtained, when the type of the program sound system is BG, DK, I, the program sound system is switched to L/LL, and after the program signal is stable, a second credibility value of the L/LL sound system is obtained; and when the program sound system type is L/LL, switching the program sound system into DK and acquiring a second reliability value of the DK sound system after the program signal is stable.
In addition, after the second reliability value is obtained, the first reliability value and the second reliability value may be compared to determine whether the program signal adopts the program sound system after switching or the program sound system before switching. Correspondingly, the obtaining a second reliability value of the switched program sound system, and determining the reliability state of the switched program sound system according to the second reliability value specifically include:
acquiring a second credibility value of the switched program sound system, and comparing the second credibility value with the first credibility value;
and when the second reliability value is larger than the first reliability value, updating the program sound system by adopting the switched program sound system, and determining the reliability state of the switched program sound system according to the second reliability value.
Specifically, the second reliability value being greater than the first reliability value indicates that the signal quality of the program signal corresponding to the switched program sound system is high, so that the program sound system is updated by using the switched program sound system, and the reliability state of the program sound system is determined according to the second reliability value. Of course, when the second reliability value is less than or equal to the first reliability value, it indicates that the signal system of the program signal corresponding to the program sound system before switching is high, at this time, the program sound system is kept unchanged, and the reliability state of the program sound system is determined according to the first reliability value.
Further, the obtaining a second reliability value of the switched program sound system, and determining the reliability state of the switched program sound system according to the second reliability value specifically include:
comparing the second credibility value with a preset credibility threshold;
if the second reliability value is larger than the reliability threshold value, judging that the reliability state of the program sound system is reliable, and setting the program image system and the switched program image system as the image system and the sound system of the program signal;
and if the second reliability value is smaller than the reliability threshold value, judging that the reliability state of the program sound system is not credible, and executing the step of acquiring the region image system and the region sound system of the region where the intelligent television is located.
Specifically, the second reliability value is greater than the reliability threshold value, which indicates that the program signal of the combination of the program image system and the switched program sound system meets the requirement, at this time, the program image system and the switched program sound system are set as the image system and the sound system of the program signal, and the second reliability value is set as the reliability of the program signal, so that the reliability can be obtained when the program is played. The reliability threshold value compared by the second reliability value is the same as the reliability threshold value compared by the first reliability value, that is, only one reliability threshold value is stored in the smart television, and the reliability threshold value is used for comparing with the reliability of each sound system.
S40, setting the area image system and the area sound system as the image system and the sound system of the program signal.
Specifically, the setting of the regional image system and the regional sound system as the image system and the sound system of the program signal is to switch the image system and the sound system of the program signal to the regional image system and the regional sound system, obtain the noise level of the switched program signal after the switched program signal is stable, and calculate and store the reliability of the program signal according to the noise level. In practical application, when the trusted status is trusted, the program image system and the program sound system are set as the image system and the sound system of the program signal.
Based on the method for recognizing the voice system, the present invention further provides a computer-readable storage medium, where one or more programs are stored, and the one or more programs are executable by one or more processors to implement the steps in the method for recognizing the voice system according to the foregoing embodiment.
Based on the above recognition method of the voice system, the present invention further provides a smart tv, as shown in fig. 5, which includes at least one processor (processor) 20; a display screen 21; and a memory (memory)22, and may further include a communication interface (communication interface)23 and a bus 24. The processor 20, the display 21, the memory 22 and the communication interface 23 can communicate with each other through the bus 24. The display screen 21 is configured to display a user guidance interface preset in the initial setting mode. The communication interface 23 may transmit information. The processor 20 may call logic instructions in the memory 22 to perform the methods in the embodiments described above.
Furthermore, the logic instructions in the memory 22 may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product.
The memory 22, which is a computer-readable storage medium, may be configured to store a software program, a computer-executable program, such as program instructions or modules corresponding to the methods in the embodiments of the present disclosure. The processor 20 executes the functional application and data processing, i.e. implements the method in the above-described embodiments, by executing the software program, instructions or modules stored in the memory 22.
The memory 22 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the smart tv, and the like. Further, the memory 22 may include a high speed random access memory and may also include a non-volatile memory. For example, a variety of media that can store program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, may also be transient storage media.
In addition, the specific processes loaded and executed by the storage medium and the instruction processors in the smart television are described in detail in the method, and are not stated herein.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. A method for recognizing a voice system is characterized by comprising the following steps:
when the intelligent television receives a program signal, identifying a program image system and a program sound system of the program signal;
determining the credible state of the program sound system according to a preset corresponding relation list of the image system and the sound system;
when the credible state is not credible, acquiring a regional image system and a regional sound system of a region where the intelligent television is located;
setting the area image system and the area sound system as the image system and the sound system of the program signal;
when the trusted state is untrusted, the obtaining of the area image system and the area sound system of the area where the smart television is located specifically includes:
when the credible state is not credible, extracting the system type corresponding to the program image system;
when the system type is a preset system type, switching the program sound system according to a switching relation corresponding to a preset image type;
acquiring a second credibility value of the switched program sound system, and determining the credibility state of the switched program sound system according to the second credibility value;
if the credible state of the switched program sound system is not credible, acquiring a regional image system and a regional sound system of a region where the intelligent television is located;
the obtaining a second reliability value of the switched program sound system, and determining the reliability state of the switched program sound system according to the second reliability value specifically include:
acquiring a second reliability value of the program sound system after switching, and comparing the second reliability value with a first reliability value, wherein the first reliability value is the reliability value of the program sound system before switching;
when the second reliability value is larger than the first reliability value, updating the program sound system by adopting the switched program sound system, and determining the reliability state of the switched program sound system according to the second reliability value;
when the second reliability value is greater than the first reliability value, updating the program sound system by using the switched program sound system, and determining the reliability state of the switched program sound system according to the second reliability value specifically includes:
comparing the second credibility value with a preset credibility threshold;
if the second reliability value is greater than the reliability threshold, judging that the reliability state of the switched program sound system is reliable, and setting the program image system and the switched program sound system as the image system and the sound system of the program signal;
and if the second credibility value is smaller than the credibility threshold, judging that the credibility state of the switched program sound system is not credible, and executing a step of acquiring a regional image system and a regional sound system of the region where the intelligent television is located.
2. The method for recognizing the voice system according to claim 1, further comprising:
and when the credible state is credible, setting the image system and the sound system of the program as the image system and the sound system of the program signal.
3. The method for identifying a voice format according to claim 1, wherein when the trusted status is untrusted, acquiring a regional image format and a regional voice format of a region corresponding to the program signal specifically includes:
when the credibility state is not credible, acquiring a first credibility value of the program sound system, and comparing the first credibility value with a preset credibility threshold;
and if the first reliability value is smaller than the reliability threshold value, acquiring a region image system and a region sound system of the region where the intelligent television is located.
4. The method for identifying the sound system according to claim 3, wherein if the first reliability value is smaller than the reliability threshold, the acquiring a regional image system and a regional sound system of a region where the smart television is located specifically comprises:
if the first credibility value is smaller than the credibility threshold, acquiring the geographical position of the smart television;
and searching a regional image system and a regional sound system corresponding to the program signal in preset image system and sound system data according to the geographic position.
5. The method for identifying a voice system according to claim 3, wherein the obtaining a first reliability value of the program voice system when the trusted status is untrusted, and comparing the first reliability value with the reliability threshold specifically comprises:
when the credible state is not credible, acquiring the working state of the intelligent television receiving the program signal;
when the working state is the channel searching state, acquiring the noise level of the program signal, and determining a first credibility value of the program sound system according to the noise level;
and when the working state is the playing state, extracting a pre-stored first credibility value.
6. A computer-readable storage medium, characterized in that the computer-readable storage medium stores one or more programs, which are executable by one or more processors, to implement the steps in the method for recognizing the sound system according to any one of claims 1 to 5.
7. An intelligent television, comprising: a processor, a memory, and a communication bus; the memory has stored thereon a computer readable program executable by the processor;
the communication bus realizes connection communication between the processor and the memory;
the processor, when executing the computer readable program, implements the steps in the method for recognizing a voice system according to any one of claims 1 to 5.
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