CN109218785B - Awakening method and system for intelligent television in standby state - Google Patents
Awakening method and system for intelligent television in standby state Download PDFInfo
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- CN109218785B CN109218785B CN201811169489.XA CN201811169489A CN109218785B CN 109218785 B CN109218785 B CN 109218785B CN 201811169489 A CN201811169489 A CN 201811169489A CN 109218785 B CN109218785 B CN 109218785B
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/42203—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS] sound input device, e.g. microphone
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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
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4436—Power management, e.g. shutting down unused components of the receiver
Abstract
The invention discloses a method and a system for awakening a standby state intelligent television, wherein a CPU is connected with a far-field voice module through a GPIO port and a USB interface and stores the working state and the mode of the far-field voice module; the power of the far-field voice module is cut off by setting the GPIO port to be a low level, and the power of the far-field voice module is switched on by setting the GPIO port to be a high level; when the intelligent television is powered on, the far-field voice module directly enters an awakening mode; when in the awakening mode, the voice awakening instruction relieves the standby state of the intelligent television, and meanwhile, the far-field voice module is converted into the recognition mode from the awakening mode; when the working mode of the far-field voice module is the recognition mode, if the intelligent television receives a standby instruction, the intelligent television enters a standby state, meanwhile, the CPU stops sending data to the far-field voice module, and the far-field voice module enters a wake-up mode in a mode of powering off first and then powering on. According to the invention, the standby state of the intelligent television is released through the far-field voice module under the condition of no remote controller.
Description
Technical Field
The invention relates to peripheral control technology of an android intelligent television, in particular to a method and a system for waking up an intelligent television in a standby state.
Background
As smart tvs enter the voice-controlled era, more and more tv manufacturers produce smart tvs that can be controlled by voice, i.e., voice tvs that can perform various operations such as channel switching, volume increase and decrease, brightness change, etc. by controlling the tvs through voice. Along with the development of a voice control technology from a near field to a far field, a voice processing technology of the smart television is also developed from the near field to the far field, the far field voice technology is more and more popularized and applied in the smart television, and when the far field voice television is developed, a difficult problem is encountered: when the television is in a standby state, the television is awakened through far-field voice, namely, the television is started.
Disclosure of Invention
Aiming at the technical problem, the invention provides a method and a system for waking up a smart television in a standby state, so that the television can be woken up directly by voice in the standby state.
In order to solve the technical problem, one embodiment of the present invention adopts the following technical solutions:
a wake-up method of a standby state intelligent television comprises the steps that a CPU of the intelligent television is connected with a far field voice module through a GPIO port and a USB interface, the working state of the far field voice module comprises an on state and an off state, and the working mode of the far field voice module comprises a wake-up mode and a recognition mode; when the intelligent television is powered off, the level of the GPIO port is set to be low level, so that the working state of the far-field voice module is off; when the intelligent television is powered on, setting the level of the GPIO port as a high level to change the working state of the far-field voice module from off to on, and simultaneously, directly entering a wake-up mode by the far-field voice module; when in the awakening mode, if the far-field voice module receives a voice awakening instruction, the far-field voice module sends data to the CPU through the USB interface to remove the standby state of the intelligent television and enter a playing state, meanwhile, the CPU sends data to the far-field voice module through the USB interface to convert the far-field voice module from the awakening mode to a recognition mode, and the CPU continuously sends data to the far-field voice module through the USB interface in the playing process of the intelligent television to keep the recognition mode so as to recognize the voice instruction in the playing process of the intelligent television; when the working mode of the far-field voice module is the recognition mode, if the intelligent television receives a standby instruction, the intelligent television enters a standby state, meanwhile, the CPU stops sending data to the far-field voice module, and the far-field voice module enters a wake-up mode in a mode of powering off first and then powering on.
According to the awakening method of the intelligent television in the standby state, when the intelligent television is powered on and receives a remote control or a starting instruction of the local key is in a non-standby state, the CPU sends data to the far-field voice module through the USB interface, and if the far-field voice module is in the awakening mode at the moment, the identification mode is automatically switched to.
According to the method for waking up the intelligent television in the standby state, the far-field voice module enters the wake-up mode in a mode of firstly powering off and then powering on, and the control of the level of the GPIO through software is realized.
The method for waking up the intelligent television in the standby state comprises the following steps of: when the intelligent television enters a standby state, the level of the GPIO is controlled to be pulled down from high and pulled up again for more than 1 second, so that the far-field voice module enters an awakening mode in a mode of powering off first and then powering on.
According to the awakening method of the intelligent television in the standby state, the level of the GPIO is pulled up again through the PM so as to trigger the far-field voice module to enter the awakening mode.
According to the awakening method of the intelligent television in the standby state, the current working state and the current working mode of the far-field voice module are both stored in the CPU.
According to the awakening method of the intelligent television in the standby state, when the intelligent television is powered on or powered off, the boot reads the current working state of the far-field voice module stored in the CPU, and the switching of the working state is controlled through the GPIO port: when the intelligent television is powered on, the boot reads that the current working state of the far-field voice module stored in the CPU is off, and the GPIO port is set to be a high level to supply power to the far-field voice module so as to change the current working state from off to on; when the intelligent television is powered off, the boot reads the current working state of the far-field voice module stored in the CPU as on, and the level of the GPIO port is set as low level to power off the far-field voice module so as to change the current working state from on to off.
The invention also provides a wake-up system of the intelligent television in the standby state, which comprises a CPU and a far-field voice module, wherein the CPU and the far-field voice module are connected through the GPIO port and the USB interface, the CPU realizes the power supply or the power failure of the far-field voice module by controlling the level conversion of the GPIO port, the CPU and the far-field voice module realize the switching of the working modes of the far-field voice module by carrying out bidirectional data exchange through the USB interface, and receive corresponding voice instructions in each working mode.
The method and the system can realize the switching of the working mode of the far-field voice module, when the television is in standby, the far-field voice module enters the awakening mode, the television awakening operation in the standby state can be realized through the far-field voice at the moment, the television enters the normal watching state, and the working mode of the far-field voice module is switched to the recognition mode, so that the far-field voice module works in the normal voice control state.
Compared with the prior art, the invention has at least the following beneficial effects: the method is simple to implement, the host computer and the peripheral software do not need to customize a special communication protocol, and the software development period can be greatly shortened. By using the scheme, the standby state of the intelligent television can be released under the condition of no remote controller through the far-field voice module, the advantage of far-field voice control of the intelligent television is fully exerted, the intelligent television is more convenient for a user to use, and the user experience is improved.
Drawings
Fig. 1 is a block diagram of a wake-up system of a smart tv set in a standby state.
Fig. 2 is a flowchart of a power-on process of the smart television.
Fig. 3 is a flowchart of the smart tv boot process.
Fig. 4 is a flowchart of the standby processing of the smart tv.
Fig. 5 is a far-field speech module work flow diagram.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying 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.
Explanation of technical terms
The remote field voice module works in the wake-up mode when the intelligent television is in a standby state, and the standby state of the intelligent television can be released by sending a specific voice instruction to the remote field voice module.
Identifying a mode: and in another working mode of the far-field voice module, when the intelligent television is in standby state, the far-field voice module receives voice and recognizes the received voice so as to realize related voice control processing on the intelligent television.
The structure of a wake-up system of a standby state intelligent television is shown in fig. 1, and the system comprises a main board (CPU) and a far-field voice module, wherein the main board (CPU) and the far-field voice module are connected through a GPIO port and a USB interface, the CPU realizes power supply or power off to the far-field voice module by controlling level conversion of the GPIO port, the CPU and the far-field voice module perform bidirectional data exchange through the USB interface to realize switching of working modes of the far-field voice module, such as switching of a recognition mode to a wake-up mode or switching of the wake-up mode to a recognition mode, and receive corresponding voice instructions in each working mode, such as receiving a command for waking up the television in the wake-up mode, and receiving a.
The working state of the far-field voice module comprises an on state and an off state, and the working mode of the far-field voice module comprises an awakening mode and a recognition mode. And the current working state and the current working mode of the far-field voice module are both stored in the CPU.
When the intelligent television is powered off, the level of the GPIO port is set to be low level, so that the working state of the far-field voice module is off; when the intelligent television is powered on, the level of the GPIO port is set to be high level, the working state of the far-field voice module is switched from off to on, and meanwhile, the far-field voice module directly enters a wake-up mode. Specifically, when the intelligent television is powered on or powered off, the boot reads the current working state of the far-field voice module stored in the CPU, and controls the switching of the working states through the GPIO port, namely, when the intelligent television is powered on, the boot reads that the current working state of the far-field voice module stored in the CPU is off, the GPIO port is set to be at a high level to supply power to the far-field voice module, so that the current working state is switched from off to on, when the intelligent television is powered off, the boot reads that the current working state of the far-field voice module stored in the CPU is on, and when the intelligent television is powered off, the level of the GPIO port is set to be at a low level to switch off the far-field voice module.
And in the awakening mode, if the far-field voice module receives a voice awakening instruction, the far-field voice module sends data to the CPU through the USB interface to remove the standby state of the intelligent television and enter a playing state, meanwhile, the CPU sends data to the far-field voice module through the USB interface to convert the far-field voice module from the awakening mode to the recognition mode, and the CPU continuously sends data to the far-field voice module through the USB interface in the playing process of the intelligent television to keep the recognition mode so as to recognize the voice instruction in the playing process of the intelligent television.
When the intelligent television is powered on and receives a remote control or a starting command of the local key is in a non-standby state, the CPU sends data to the far-field voice module through the USB interface, and if the far-field voice module is in an awakening mode at the moment, the remote voice module automatically switches to a recognition mode.
When the far-field voice working mode is the recognition mode, if the intelligent television receives a standby instruction, the intelligent television enters a standby state, meanwhile, the CPU stops sending data to the far-field voice module, and the far-field voice module enters a wake-up mode in a mode of powering off first and then powering on. The power-down and power-up are carried out firstly, namely the level of the GPIO port is changed from the high level of power-on to the low level of power-off and then to the high level of power-on, and the high-low conversion of the level of the GPIO is controlled through software. Specifically, when the intelligent television enters a standby state, the level of the GPIO is controlled to be pulled down from high for more than 1 second and then pulled up, so that the far-field voice module enters an awakening mode by first powering off and then powering on. Before the intelligent television completely enters a standby state, the level of the GPIO is pulled up again through PM (power manager) to trigger the far-field voice module to enter a wake-up mode.
Fig. 2 to 4 are flowcharts of the system in four different initial states.
When the power supply of the intelligent television is completely turned off (for example, the plug is pulled out), the intelligent television is in a power-off state, at this time, if the power supply plug of the television is connected, the television is powered on, if no further instruction is provided after the television is powered on, for example, a power-on key is pressed for starting up, the television is in a standby state, and if a power-on instruction is received, the television is directly started up, for example, the television is started up by remote control. When the television is powered off, the far-field voice module is also powered off, so that the working state of the far-field voice module is off. As shown in fig. 2, when the television is powered on, the boot is started, the current working state of the far-field speech module stored in the CPU is read as off, and the current working state of the far-field speech module is changed by setting the level of the GPIO port. If the electrical level of the GPIO port is set to be high electrical level, the far-field voice module is electrified once, the working state is changed from off to on, and the far-field voice module enters the awakening mode, at the moment, the television can be started by sending a voice awakening instruction, if the electrical level of the GPIO port is not set to be high electrical level, the far-field voice module is not electrified, and the television can not be started by the voice awakening instruction.
As shown in fig. 3, when the television is in a standby state, the power-on command (i.e., the standby release command or the wake-up command) may be sent by remote control, local key and voice, the television enters a play state from the standby state after receiving the power-on command, and the CPU sends data to the far-field voice module through the USB port during the play process, so that the far-field voice module enters the recognition mode from the wake-up mode. In the playing state of the television, the far-field voice module is always in the recognition mode, so that a user can send a voice instruction at any time. If the television is powered on after being powered off and the television is directly remotely controlled to start up and play, the CPU directly sends data to the far-field voice module through the USB interface, and if the working state of the far-field voice module is on, the remote-field voice module is directly switched from the awakening mode to the recognition mode.
As shown in fig. 4, the standby instruction can be sent by remote control, local key and voice, when the user sends the voice standby instruction, the far-field voice module receives the standby instruction and sends a message to the CPU of the television, the television enters a standby state after receiving the message, and the USB port stops sending the message. And in the process that the television is about to enter a standby state, the CPU controls the GPIO to be converted from a high level to a low level and transmits a message to the PM, and the PM controls the GPIO to be converted from the low level to the high level again after the GPIO is converted from the high level to the low level for 1 second so that the far-field voice module enters an awakening mode.
As shown in fig. 5, when the GPIO is at a high level, the far-field speech module is powered on to directly enter the wake-up mode, and when the far-field speech module receives data transmitted from the USB port, the far-field speech module enters the recognition mode, where the data transmitted from the USB port is transmitted to the far-field speech module by the television in the play state.
Although the invention has been described herein with reference to illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure herein. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (4)
1. A wake-up method of a standby state intelligent television is characterized in that a CPU of the intelligent television is connected with a far-field voice module through a GPIO port and a USB interface, the working state of the far-field voice module comprises an on state and an off state, and the working mode of the far-field voice module comprises a wake-up mode and a recognition mode; when the intelligent television is powered off, the level of the GPIO port is set to be low level, so that the working state of the far-field voice module is off; when the intelligent television is powered on, setting the level of the GPIO port as a high level to change the working state of the far-field voice module from off to on, and simultaneously, directly entering a wake-up mode by the far-field voice module; when in the awakening mode, if the far-field voice module receives a voice awakening instruction, the far-field voice module sends data to the CPU through the USB interface to remove the standby state of the intelligent television and enter a playing state, meanwhile, the CPU sends data to the far-field voice module through the USB interface to convert the far-field voice module from the awakening mode to a recognition mode, and the CPU continuously sends data to the far-field voice module through the USB interface in the playing process of the intelligent television to keep the recognition mode so as to recognize the voice instruction in the playing process of the intelligent television; when the working mode of the far-field voice module is the recognition mode, if the intelligent television receives a standby instruction, the intelligent television enters a standby state, meanwhile, the CPU stops sending data to the far-field voice module, and the far-field voice module enters a wake-up mode in a mode of powering off firstly and then powering on; the far-field voice module enters the wake-up mode by first powering off and then powering on, and the control of the level of the GPIO by software is realized; the method for controlling the level of the GPIO is as follows: when the intelligent television enters a standby state, the level of the GPIO is controlled to be pulled down from high and pulled up again for more than 1 second, so that the far-field voice module enters an awakening mode in a mode of first powering off and then powering on; and the level of the GPIO is pulled up again through the PM so as to trigger the far-field voice module to enter a wake-up mode.
2. The method for waking up an intelligent television in a standby state as claimed in claim 1, wherein when the intelligent television receives a remote control after being powered on or a power-on command of a local key is in a non-standby state, the CPU sends data to the far-field voice module through the USB interface, and if the far-field voice module is in a wake-up mode at this time, the CPU automatically switches to a recognition mode.
3. The waking method for intelligent standby state television set as claimed in claim 1, wherein the current working state and the current working mode of the far field speech module are both stored in the CPU.
4. The method for waking up a smart tv in a standby state according to claim 3, wherein when the smart tv is powered on or powered off, the boot reads the current working state of the far-field speech module stored in the CPU and controls the switching of the working state through the GPIO port: when the intelligent television is powered on, the boot reads that the current working state of the far-field voice module stored in the CPU is off, and the GPIO port is set to be a high level to supply power to the far-field voice module so as to change the current working state from off to on; when the intelligent television is powered off, the boot reads the current working state of the far-field voice module stored in the CPU as on, and the level of the GPIO port is set as low level to power off the far-field voice module so as to change the current working state from on to off.
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| CN111726661B (en) * | 2019-03-21 | 2021-10-08 | 海信视像科技股份有限公司 | Program push playing method, display equipment, mobile terminal and system |
| CN109714635B (en) * | 2019-03-28 | 2019-07-09 | 深圳市酷开网络科技有限公司 | A kind of TV awakening method, smart television and storage medium based on speech recognition |
| CN110769319B (en) * | 2019-10-22 | 2022-05-10 | 思必驰科技股份有限公司 | Standby wakeup interaction method and device |
| CN113497959A (en) * | 2020-04-03 | 2021-10-12 | 海信视像科技股份有限公司 | Display system and voice wake-up starting method |
| CN111679594A (en) * | 2020-06-24 | 2020-09-18 | 四川长虹电器股份有限公司 | Far-field voice switch control method and system of visual intelligent product |
| CN112752193B (en) * | 2020-12-17 | 2022-11-25 | 江苏惠通集团有限责任公司 | Far-field voice equipment and system |
| CN113496704A (en) * | 2021-07-29 | 2021-10-12 | 康佳集团股份有限公司 | Far-field voice control method, terminal and computer readable storage medium |
| CN113763958B (en) * | 2021-09-28 | 2024-02-13 | 海信视像科技股份有限公司 | Voice wakeup method, voice wakeup device, electronic equipment and storage medium |
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