CN114501125B - Method and system for supporting dolby panoramic sound audio frequency by automatic matching - Google Patents
Method and system for supporting dolby panoramic sound audio frequency by automatic matching Download PDFInfo
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- CN114501125B CN114501125B CN202111585968.1A CN202111585968A CN114501125B CN 114501125 B CN114501125 B CN 114501125B CN 202111585968 A CN202111585968 A CN 202111585968A CN 114501125 B CN114501125 B CN 114501125B
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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
- H04N21/439—Processing of audio elementary streams
- H04N21/4398—Processing of audio elementary streams involving reformatting operations of audio signals
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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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/4508—Management of client data or end-user data
- H04N21/4516—Management of client data or end-user data involving client characteristics, e.g. Set-Top-Box type, software version or amount of memory available
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
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Abstract
The invention discloses a method and a system for supporting dolby panoramic sound audio by automatic matching, wherein the method comprises the following steps: the digital television system receives a user instruction, generates a capability set request instruction based on a panoramic sound playing request in the user instruction, and transmits the capability set request instruction to the intelligent television, wherein the capability set request instruction is used for requesting dolby panoramic sound capacity parameters on the intelligent television; the digital television system receives the dolby panoramic sound energy parameter and judges whether the intelligent television has the capability of supporting dolby panoramic sound frequency playing or not based on the dolby panoramic sound energy parameter; and the digital television system transmits the searched audio source supporting the dolby panoramic audio playing to the intelligent television. According to the embodiment of the invention, when the user triggers the dolby panoramic sound audio requirement, the dolby panoramic sound capacity parameter of the intelligent television is automatically acquired, so that the self-adaption completion matching process is realized, and the audio and video requirements of families are met.
Description
Technical Field
The invention relates to the technical field of digital audio, in particular to a method and a system for supporting dolby panoramic audio by automatic matching.
Background
Dolby panoramic sound (Dolby Atmos) is an advanced surround sound standard introduced by Dolby laboratories in 2012 for cinema theatres, providing surround sound up to 64 channels, adding spatial immersion by combining front, side, rear and sky speakers plus complex audio processing and algorithms. The purpose of Dolby panoramic sound (Dolby Atmos) is to provide a complete sound immersion experience in a commercial movie environment. Following initial success in the cinema theatre (2012-2014), dolby cooperates with multiple AV power amplifiers and speaker manufacturers to blend the Dolby panoramic sound (Dolby Atmos) experience into a home cinema scene. Of course, only households with certain consumption capabilities or very loving an audio-video system can afford the functionality required to install the same type of Dolby panoramic sound (Dolby Atmos) system used in a commercial environment, so Dolby labs offer manufacturers a more suitable physically scaled down version and cost justifies the necessary upgrades to consumers to enjoy the Dolby panoramic sound (Dolby Atmos) experience at home. Along with the integration of dolby panoramic sound into home audio and video, how to realize the automatic matching process between the intelligent television and the television system has no corresponding solution at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a method and a system for automatically matching and supporting dolby panoramic sound audio.
In order to solve the above problems, the present invention proposes a method for supporting dolby panoramic audio by automatic matching, the method comprising:
the intelligent television receives a user instruction and sends the user instruction to a digital television system, wherein the user instruction comprises a panoramic audio playing request instruction and an audio object;
the digital television system receives a user instruction, generates a capability set request instruction based on a panoramic sound playing request in the user instruction, and transmits the capability set request instruction to the intelligent television, wherein the capability set request instruction is used for requesting dolby panoramic sound capacity parameters on the intelligent television;
the intelligent television receives the capability set request instruction, triggers the intelligent television to collect dolby panoramic capacity parameters based on the capability set request instruction, and sends the panoramic capacity parameters to a digital television system;
the digital television system receives the dolby panoramic sound energy parameter and judges whether the intelligent television has the capability of supporting dolby panoramic sound frequency playing or not based on the dolby panoramic sound energy parameter;
when judging that the intelligent television supports the dolby panoramic audio playing capability, the digital television system searches an audio source supporting dolby panoramic audio playing based on an audio object in a user instruction;
and the digital television system transmits the searched audio source supporting the dolby panoramic audio playing to the intelligent television.
Triggering the intelligent television to collect dolby panoramic capacity parameters based on the capacity set request instruction comprises the following steps:
the system-level chip on the intelligent television generates a sound feedback detection instruction based on the capability set request instruction and sends the sound feedback detection instruction to an HDMI switcher;
after receiving the sound return detection instruction, the HDMI switcher sends the sound return detection instruction to the external device connected to each HDMI port;
the HDMI switcher receives feedback signals fed back by each external device based on the sound feedback detection instruction and sends the feedback signals to a system level chip;
and the system-in-chip acquires dolby panoramic capacity parameters on the intelligent television based on the feedback signals.
After judging whether the intelligent television has the capability of supporting dolby panoramic sound frequency playing based on the dolby panoramic sound capability parameters, the method further comprises the following steps:
and when the digital television system judges that the intelligent television does not support the dolby panoramic audio playing capability, feeding back the information of not supporting panoramic audio playing to the intelligent television.
The searching of the audio source supporting dolby panoramic audio playing based on the audio object in the user instruction further comprises the following steps:
and when the digital television system does not search for the audio source supporting the dolby panoramic audio playing, feeding back the audio source matched with the audio object to the intelligent television.
The digital television system further comprises the following steps after sending the searched audio source supporting dolby panoramic audio playing to the intelligent television:
and the intelligent television receives the audio source supporting dolby panoramic audio playing and decodes and plays the audio source.
Correspondingly, the invention also provides a system for supporting dolby panoramic sound audio by automatic matching, which comprises:
the intelligent television receives a user instruction and sends the user instruction to the digital television system, wherein the user instruction comprises a panoramic audio playing request instruction and an audio object; receiving a capability set request instruction issued by a digital television system, triggering an intelligent television to collect dolby panoramic capacity parameters based on the capability set request instruction, and transmitting the panoramic capacity parameters to the digital television system;
the digital television system is used for receiving a user instruction, generating a capability set request instruction based on a panoramic sound playing request in the user instruction, and transmitting the capability set request instruction to the intelligent television, wherein the capability set request instruction is used for requesting dolby panoramic capacity parameters on the intelligent television; receiving the dolby panoramic sound energy parameter, and judging whether the intelligent television has the capability of supporting dolby panoramic sound frequency playing or not based on the dolby panoramic sound energy parameter; when judging that the intelligent television supports the dolby panoramic audio playing capability, searching an audio source supporting dolby panoramic audio playing based on an audio object in a user instruction; and sending the searched audio source supporting dolby panoramic audio playing to the intelligent television.
The system-level chip on the intelligent television generates a sound feedback detection instruction based on the capability set request instruction and sends the sound feedback detection instruction to an HDMI switcher; after receiving the sound return detection instruction, the HDMI switcher sends the sound return detection instruction to the external device connected to each HDMI port; the HDMI switcher receives feedback signals fed back by each external device based on the sound feedback detection instruction and sends the feedback signals to a system level chip; and the system-in-chip acquires dolby panoramic capacity parameters on the intelligent television based on the feedback signals.
And when the digital television system judges that the intelligent television does not support the dolby panoramic audio playing capability, feeding back the information of not supporting panoramic audio playing to the intelligent television.
And when the digital television system does not search for the audio source supporting the dolby panoramic audio playing, feeding back the audio source matched with the audio object to the intelligent television.
And the intelligent television receives the audio source supporting dolby panoramic audio playing and decodes and plays the audio source.
According to the method and the system for automatically matching and supporting the dolby panoramic sound audio, when a user triggers the dolby panoramic sound audio requirement, the dolby panoramic sound capacity parameter of the intelligent television is automatically acquired, so that the self-adaption completion of the matching process is realized, and the audio and video requirements of families are met. The parameter acquisition of the external devices on each HDMI port is triggered by the HDMI switcher on the smart television, so that whether the related external devices meet the playing capability of the dolby panoramic sound or not can be quickly inquired by the echo return ACR technology, after the corresponding playing capability inquiry is met, corresponding audio sources are matched based on audio objects, the smart television supporting playing can play audio sources supporting the audio playing of the dolby panoramic sound, the user requirements are met, and the dolby panoramic sound playing can be better experienced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a system architecture for automatic matching support of dolby panoramic audio in an embodiment of the invention;
fig. 2 is a flow chart of a method of automatic matching supporting dolby panoramic audio in an embodiment of the 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.
The embodiment of the invention relates to a method for supporting dolby panoramic sound audio by automatic matching, which comprises the following steps: the intelligent television receives a user instruction and sends the user instruction to a digital television system, wherein the user instruction comprises a panoramic audio playing request instruction and an audio object; the digital television system receives a user instruction, generates a capability set request instruction based on a panoramic sound playing request in the user instruction, and transmits the capability set request instruction to the intelligent television, wherein the capability set request instruction is used for requesting dolby panoramic sound capacity parameters on the intelligent television; the intelligent television receives the capability set request instruction, triggers the intelligent television to collect dolby panoramic capacity parameters based on the capability set request instruction, and sends the panoramic capacity parameters to a digital television system; the digital television system receives the dolby panoramic sound energy parameter and judges whether the intelligent television has the capability of supporting dolby panoramic sound frequency playing or not based on the dolby panoramic sound energy parameter; when judging that the intelligent television supports the dolby panoramic audio playing capability, the digital television system searches an audio source supporting dolby panoramic audio playing based on an audio object in a user instruction; and the digital television system transmits the searched audio source supporting the dolby panoramic audio playing to the intelligent television.
Specifically, fig. 1 shows a schematic diagram of a system for supporting dolby panoramic audio with automatic matching in an embodiment of the present invention, where the system includes:
the intelligent television receives a user instruction and sends the user instruction to the digital television system, wherein the user instruction comprises a panoramic audio playing request instruction and an audio object; receiving a capability set request instruction issued by a digital television system, triggering an intelligent television to collect dolby panoramic capacity parameters based on the capability set request instruction, and transmitting the panoramic capacity parameters to the digital television system;
the digital television system is used for receiving a user instruction, generating a capability set request instruction based on a panoramic sound playing request in the user instruction, and transmitting the capability set request instruction to the intelligent television, wherein the capability set request instruction is used for requesting dolby panoramic capacity parameters on the intelligent television; receiving the dolby panoramic sound energy parameter, and judging whether the intelligent television has the capability of supporting dolby panoramic sound frequency playing or not based on the dolby panoramic sound energy parameter; when judging that the intelligent television supports the dolby panoramic audio playing capability, searching an audio source supporting dolby panoramic audio playing based on an audio object in a user instruction; and sending the searched audio source supporting dolby panoramic audio playing to the intelligent television.
It should be noted that, the data interaction between the smart tv and the digital tv system needs to be completed through a tv set-top box, i.e. a digital tv set-top box is a conversion device that converts a digital tv signal into an analog signal, and the digital tv set-top box has become an embedded computing device, and has a perfect real-time operating system, provides a powerful CPU computing capability, is used to coordinate and control hardware facilities of each part of the set-top box, and provides an easy-to-operate graphical user interface (Graphical User Interface, GUI), such as an electronic program guide of an enhanced tv, to provide a user with a graphic and textual program introduction and background information. The digital television set top box is also a novel household appliance for expanding the functions of a television, and is responsible for converting various received information (including television programs) into a realistic format of the television to be displayed on a screen, so that various services such as Internet browsing, video on demand, home electronic commerce, telephone communication and the like can be easily realized by the internal software function and slightly performing bidirectional reformation on a network.
Specifically, a system-on-chip on the smart television generates a sound feedback detection instruction based on the capability set request instruction, and sends the sound feedback detection instruction to an HDMI switcher; after receiving the sound return detection instruction, the HDMI switcher sends the sound return detection instruction to the external device connected to each HDMI port; the HDMI switcher receives feedback signals fed back by each external device based on the sound feedback detection instruction and sends the feedback signals to a system level chip; and the system-in-chip acquires dolby panoramic capacity parameters on the intelligent television based on the feedback signals. It should be noted that, when the external device supporting dolby panoramic sound is plugged into the HDMI port of the smart television, the smart television may detect the external device, and a system-level chip on the smart television may determine whether an external device is connected by determining a voltage signal of a hot plug pin of the external device, or may discover that the external device is connected by detecting a change of the voltage signal of the hot plug pin. After the intelligent television receives the capability set request instruction of the digital television system end, the intelligent television can send a detection instruction to the external equipment through the DDC channel to judge whether the external equipment is common equipment or support dolby panoramic sound equipment. If the external device supports the ARC function, the external device is described as supporting the dolby panoramic sound device. The external device with the ARC function realizes the ARC sound transmission channel function through the corresponding HDMI interface, and the AC sound transmission can realize the sound signal transmission between the system-in-chip on the smart television and the external device on the smart television through the function, so that when the system-in-chip sends a sound feedback detection instruction, if the external device supports the sound feedback detection instruction, the external device can feed back a signal to the main chip, and whether the HDMI port is provided with the supporting dolby panoramic sound equipment is determined through the feedback signal.
Specifically, when the digital television system judges that the intelligent television does not support the dolby panoramic audio playing capability, the digital television system feeds back the panoramic audio playing information which is not supported by the intelligent television.
Specifically, when the digital television system does not search for an audio source supporting dolby panoramic audio playing, the digital television system feeds back the audio source matched with the audio object to the intelligent television.
Specifically, the smart television receives the audio source supporting dolby panoramic audio playing, and decodes and plays the audio source.
It should be noted that, in the process of receiving the audio source supporting dolby panoramic audio playing, the smart television detects the integrity of the audio source data through a checking algorithm. The verification Algorithm is implemented by using an MD5 Algorithm, and the MD5 Message-Digest Algorithm (MD 5) is a widely used cryptographic hash function, and can generate a 128-bit (16-byte) hash value (hash value) to ensure that the information transmission is completely consistent. The audio source comprises a plurality of audio data packets sent according to time sequence, the digital television system side can check each audio data packet in the plurality of audio data packets based on an MD5 algorithm to obtain a group of check codes, then the group of check codes are stored at the tail part of each audio data packet, after each audio data packet is acquired by the intelligent television, the intelligent television can read the group of check codes, meanwhile, the intelligent television can carry out MD5 check on each audio data packet to obtain a check result calculated by the intelligent television, the check result is compared with the group of check codes of the acquired digital television system, if the check result is the same as the group of check codes, the fact that each audio data packet is complete and effective and has no error is indicated, if the check result is different, the fact that each audio data packet has a problem is indicated, and the fact that each audio data packet needs to be requested again is indicated.
Fig. 2 shows a flowchart of a method for automatic matching support dolby panoramic audio in an embodiment of the invention, the method comprising the steps of:
s201, receiving a user instruction by the intelligent television and sending the user instruction to a digital television system;
it should be noted that, the user instruction includes a panoramic audio playing request instruction and an audio object.
S202, a digital television system receives a user instruction, generates a capability set request instruction based on a panoramic sound playing request in the user instruction, and issues the capability set request instruction to an intelligent television;
it should be noted that, the capability set request instruction is used for requesting dolby panoramic capability parameters on the smart tv.
S203, the intelligent television receives the capability set request instruction, triggers the intelligent television to collect dolby panoramic capacity parameters based on the capability set request instruction, and sends the panoramic capacity parameters to a digital television system;
specifically, the triggering the intelligent television to collect dolby panoramic capacity parameters based on the capacity set request instruction includes: the system-level chip on the intelligent television generates a sound feedback detection instruction based on the capability set request instruction and sends the sound feedback detection instruction to an HDMI switcher; after receiving the sound return detection instruction, the HDMI switcher sends the sound return detection instruction to the external device connected to each HDMI port; the HDMI switcher receives feedback signals fed back by each external device based on the sound feedback detection instruction and sends the feedback signals to a system level chip; and the system-in-chip acquires dolby panoramic capacity parameters on the intelligent television based on the feedback signals.
It should be noted that, when the external device supporting dolby panoramic sound is plugged into the HDMI port of the smart television, the smart television may detect the external device, and a system-level chip on the smart television may determine whether an external device is connected by determining a voltage signal of a hot plug pin of the external device, or may discover that the external device is connected by detecting a change of the voltage signal of the hot plug pin.
After the intelligent television receives the capability set request instruction of the digital television system end, the intelligent television can send a detection instruction to the external equipment through the DDC channel to judge whether the external equipment is common equipment or support dolby panoramic sound equipment. If the external device supports the ARC function, the external device is described as supporting the dolby panoramic sound device. The external device with the ARC function realizes the ARC sound transmission channel function through the corresponding HDMI interface, and the AC sound transmission can realize the sound signal transmission between the system-in-chip on the smart television and the external device on the smart television through the function, so that when the system-in-chip sends a sound feedback detection instruction, if the external device supports the sound feedback detection instruction, the external device can feed back a signal to the main chip, and whether the HDMI port is provided with the supporting dolby panoramic sound equipment is determined through the feedback signal.
S204, the digital television system receives the dolby panoramic sound energy parameter and judges whether the intelligent television has the capability of supporting dolby panoramic sound frequency playing or not based on the dolby panoramic sound energy parameter;
s205, when the digital television system judges that the intelligent television supports the dolby panoramic audio playing capability, searching an audio source supporting dolby panoramic audio playing based on an audio object in a user instruction;
s206, judging whether an audio source supporting the dolby panoramic audio playing is searched, if so, entering S207, otherwise, entering S210;
s207, the digital television system sends the searched audio source supporting the dolby panoramic audio playing to the intelligent television;
s208, the intelligent television receives the audio source supporting the dolby panoramic audio playing, and decodes and plays the audio source;
and in the process of receiving the audio source supporting dolby panoramic audio playing, the intelligent television detects the integrity of the audio source data through a checking algorithm. The verification Algorithm is implemented by using an MD5 Algorithm, and the MD5 Message-Digest Algorithm (MD 5) is a widely used cryptographic hash function, and can generate a 128-bit (16-byte) hash value (hash value) to ensure that the information transmission is completely consistent. The audio source comprises a plurality of audio data packets sent according to time sequence, the digital television system side can check each audio data packet in the plurality of audio data packets based on an MD5 algorithm to obtain a group of check codes, then the group of check codes are stored at the tail part of each audio data packet, after each audio data packet is acquired by the intelligent television, the intelligent television can read the group of check codes, meanwhile, the intelligent television can carry out MD5 check on each audio data packet to obtain a check result calculated by the intelligent television, the check result is compared with the group of check codes of the acquired digital television system, if the check result is the same as the group of check codes, the fact that each audio data packet is complete and effective and has no error is indicated, if the check result is different, the fact that each audio data packet has a problem is indicated, and the fact that each audio data packet needs to be requested again is indicated.
S209, when the digital television system judges that the intelligent television does not support the dolby panoramic audio playing capability, feeding back information of not supporting panoramic audio playing to the intelligent television;
and S210, when the digital television system does not search an audio source supporting the playing of the dolby panoramic audio, feeding back the audio matched by the audio object to the intelligent television.
In summary, the method and the system for automatically matching and supporting the dolby panoramic sound audio automatically acquire the dolby panoramic sound capacity parameters of the intelligent television when the user triggers the dolby panoramic sound audio requirement, so that the self-adaption completion matching process is realized, and the audio and video requirements of families are met. The parameter acquisition of the external devices on each HDMI port is triggered by the HDMI switcher on the smart television, so that whether the related external devices meet the playing capability of the dolby panoramic sound or not can be quickly inquired by the echo return ACR technology, after the corresponding playing capability inquiry is met, corresponding audio sources are matched based on audio objects, the smart television supporting playing can play audio sources supporting the audio playing of the dolby panoramic sound, the user requirements are met, and the dolby panoramic sound playing can be better experienced.
The foregoing has outlined rather broadly the more detailed description of embodiments of the invention, wherein the principles and embodiments of the invention are explained in detail using specific examples, the description of the embodiments being merely intended to facilitate an understanding of the method of the invention and its core concepts; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (8)
1. A method of automatically matching supported dolby panoramic audio, the method comprising:
the intelligent television receives a user instruction and sends the user instruction to a digital television system, wherein the user instruction comprises a panoramic audio playing request instruction and an audio object;
the digital television system receives a user instruction, generates a capability set request instruction based on a panoramic sound playing request in the user instruction, and transmits the capability set request instruction to the intelligent television, wherein the capability set request instruction is used for requesting dolby panoramic sound capacity parameters on the intelligent television;
the intelligent television receives the capability set request instruction, triggers the intelligent television to collect dolby panoramic capacity parameters based on the capability set request instruction, and sends the panoramic capacity parameters to a digital television system, and triggers the intelligent television to collect dolby panoramic capacity parameters based on the capability set request instruction, wherein the steps of: the system-level chip on the intelligent television generates a sound feedback detection instruction based on the capability set request instruction and sends the sound feedback detection instruction to an HDMI switcher; after receiving the sound return detection instruction, the HDMI switcher sends the sound return detection instruction to the external device connected to each HDMI port; the HDMI switcher receives feedback signals fed back by each external device based on the sound feedback detection instruction and sends the feedback signals to a system level chip; the system-in-chip acquires dolby panoramic capacity parameters on the intelligent television based on the feedback signals;
the digital television system receives the dolby panoramic sound energy parameter and judges whether the intelligent television has the capability of supporting dolby panoramic sound frequency playing or not based on the dolby panoramic sound energy parameter;
when judging that the intelligent television supports the dolby panoramic audio playing capability, the digital television system searches an audio source supporting dolby panoramic audio playing based on an audio object in a user instruction;
and the digital television system transmits the searched audio source supporting the dolby panoramic audio playing to the intelligent television.
2. The method for automatically matching and supporting dolby panoramic audio according to claim 1, wherein the determining whether the smart tv has the dolby panoramic audio playback capability based on the dolby panoramic audio capability parameter further comprises:
and when the digital television system judges that the intelligent television does not support the dolby panoramic audio playing capability, feeding back the information of not supporting panoramic audio playing to the intelligent television.
3. The method for automatically matching dolby panoramic audio supported according to claim 2, wherein the searching for an audio source supporting dolby panoramic audio playback based on the audio object in the user instruction further comprises:
and when the digital television system does not search for the audio source supporting the dolby panoramic audio playing, feeding back the audio source matched with the audio object to the intelligent television.
4. The method for automatically matching dolby panoramic audio supported by any one of claims 1 to 3, wherein the digital television system further comprises, after transmitting the audio source searched for the dolby panoramic audio supported by playback to a smart television:
and the intelligent television receives the audio source supporting dolby panoramic audio playing and decodes and plays the audio source.
5. A system for automatically matching supported dolby panoramic audio, the system comprising:
the intelligent television receives a user instruction and sends the user instruction to the digital television system, wherein the user instruction comprises a panoramic audio playing request instruction and an audio object; receiving a capability set request instruction issued by a digital television system, triggering an intelligent television to collect dolby panoramic capacity parameters based on the capability set request instruction, transmitting the panoramic capacity parameters to the digital television system, generating a sound return detection instruction by a system-in-chip on the intelligent television based on the capability set request instruction, and transmitting the sound return detection instruction to an HDMI switcher; after receiving the sound return detection instruction, the HDMI switcher sends the sound return detection instruction to the external device connected to each HDMI port; the HDMI switcher receives feedback signals fed back by each external device based on the sound feedback detection instruction and sends the feedback signals to a system level chip; the system-in-chip acquires dolby panoramic capacity parameters on the intelligent television based on the feedback signals;
the digital television system is used for receiving a user instruction, generating a capability set request instruction based on a panoramic sound playing request in the user instruction, and transmitting the capability set request instruction to the intelligent television, wherein the capability set request instruction is used for requesting dolby panoramic capacity parameters on the intelligent television; receiving the dolby panoramic sound energy parameter, and judging whether the intelligent television has the capability of supporting dolby panoramic sound frequency playing or not based on the dolby panoramic sound energy parameter; when judging that the intelligent television supports the dolby panoramic audio playing capability, searching an audio source supporting dolby panoramic audio playing based on an audio object in a user instruction; and sending the searched audio source supporting dolby panoramic audio playing to the intelligent television.
6. The system for automatically matching and supporting dolby panoramic audio according to claim 5, wherein the digital television system feeds back non-supporting panoramic audio playback information to the smart television when the smart television is judged to not support dolby panoramic audio playback capability.
7. The system for automatically matching dolby panoramic audio supported by claim 6, wherein the digital television system feeds back to the smart television audio sources for which no audio objects are matching when no audio sources are searched for that support dolby panoramic audio playback.
8. The system for automatically matching dolby panoramic audio supported according to any one of claims 5 to 7, wherein the smart tv receives an audio source supporting dolby panoramic audio playback and decodes and plays the audio source.
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| CN114919407A (en) * | 2022-05-30 | 2022-08-19 | 广州小鹏汽车科技有限公司 | Entertainment interaction method and device based on vehicle cabin and vehicle |
| CN115866324B (en) * | 2022-11-17 | 2024-07-02 | 四川九州电子科技股份有限公司 | Method for self-adaptively matching dolby sound effect of set top box |
| CN117440309B (en) * | 2023-10-15 | 2024-08-02 | 广东优创合影文化传播股份有限公司 | Automatic dolby audio adaptation and adjustment method and system based on environmental parameters |
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