CN1777258A - Television receiver multi-channel programme replay browsing method - Google Patents

Abstract

The present invention relates to a TV set, in particular to a TV multi-channel program playback and browsing method, which is characterized in that it includes the following steps: (1) setting the man-machine interface-menu; (2) setting the playback browsing channel value and the desired playback The channel to be browsed; (3) Start the playback and browsing function of multi-channel programs. The invention has the advantages of expanding the functions of the TV, breaking through the traditional mode of two-channel jumping, and providing users with playback and browsing space of five channels, and users can choose between two to five channel options according to their own preferences. Jump selection saves time and trouble, and is easy to operate, providing users with a more humanized operating environment, and the present invention only modifies the single-chip microcomputer chip in the TV circuit without changing the hardware settings of the TV or increasing any cost. The software control program can be realized, and the application value of the television is improved.

Description

TV Multi-channel Program Playback Browsing Method

technical field

The invention relates to a TV set, in particular to a method for playback and browsing of TV multi-channel programs.

Background technique

As a carrier of providing political, economic and cultural information, television has become an indispensable part of human life, spreading in every corner of society and every family. People's requirements for its functions are also increasing day by day. Due to the rapid development of the radio and television industry, programs from various regions of the country have been relayed to all parts of the country through satellites, so the source of programs is extremely rich. Because there are many exciting programs, or programs of concern are broadcast at the same time, people often watch TV. Hope can replay and browse the programs that oneself pay close attention to at any time, if adopt the method operation step loaded down with trivial details of time-consuming of directly selecting channel, thereby people hope can do memory jump back to selected several channels by playback mode, browse these programs at any time. But the current playback set on the TV remote The button can only perform two channel jumps, which cannot meet the needs of multi-channel playback and browsing.

Contents of the invention

The main purpose of the present invention is to provide a TV multi-channel program playback and browsing method for the above-mentioned deficiencies, and the user can jump and choose between multiple channel options according to his own needs, thus providing the user with a more humanized operating environment.

The technical solution adopted by the present invention to solve its technical problems is:

1. A TV multi-channel program playback and browsing method, the TV mainly includes an electronic tuner, a signal demodulator, a video processor, an audio processor, a central processing unit CPU, a memory, a remote controller, a remote control receiver, Loudspeaker and display, it is characterized in that comprising the steps:

(1) Set up the man-machine interface-menu, add a setting item for playback browsing channel value N on the TV screen setting menu, and the range of N value is 2 to 5;

(2) To set the playback browsing channel value n and the channel to be playback browsing, first enter the playback browsing channel value setting menu, set the playback browsing channel value n, and judge whether the original set value N is changed, if yes, change the changed value Play back and browse the channel value n and store it in the memory, otherwise the value in the memory will not change; then, set n channels that you want to play back and browse, and store the frequency point information of the channel as a temporary variable in the memory;

(3) Start the playback and browsing function of multi-channel programs, press the remote control Press the button to determine whether it is the first button press, if yes, read the playback browsing channel value n from the memory, read the frequency point information of the previous channel according to the n value, and assign it to the current channel variable for channel switching, otherwise Directly read the frequency point information of the previous channel and assign it to the current channel variable for channel switching.

The invention has the advantages of expanding the functions of the TV, breaking through the traditional mode of two-channel jumping, and providing users with playback and browsing space of five channels, and users can choose between two to five channel options according to their own preferences. Jump selection saves time and trouble, and is easy to operate, providing users with a more humanized operating environment, and the present invention only modifies the single-chip microcomputer chip in the TV circuit without changing the hardware settings of the TV set or increasing any cost. The software control program can be realized, and the application value of the television is improved.

Description of drawings

Fig. 1 brief structural block diagram of TV set;

Fig. 2 general flow chart of TV multi-channel program playback and browsing;

Fig. 3 schematic diagram of TV multi-channel program playback browsing menu setting;

Fig. 4 is a flow chart of setting playback browsing channel value n and wanting playback browsing channel;

Fig. 5 is a flow chart of starting multi-channel program playback and browsing function.

Detailed ways

Below in conjunction with accompanying drawing and preferred embodiment the present invention is described in detail

Example

Fig. 1 shows the brief structural block diagram of the TV set that the present invention adopts, mainly comprises electronic tuner, signal demodulator, video processor, audio frequency processor, central processing unit CPU, memory, remote controller, remote control receiver, loudspeaker and Display, in which: the electronic tuner tunes and selects channels, receives the TV signal of the corresponding channel transmitted by the transmitter, and the signal demodulator demodulates the received TV modulation signal to obtain a full TV signal containing video and audio information, in which the video signal After being processed by the video processor, red, green and blue video signals and synchronous signals are generated and transmitted to the display. The audio information is processed by the audio processor and transmitted to the speaker. The remote control and remote control receiver are used as the information sending and receiving system for the user to control the TV. Set and convert various functions of the TV; the central processing unit CPU, as the control center of the TV, is connected with the E ² PROM memory of the TV data storage center and the above-mentioned functional modules through the serial input/output I ² C bus, and executes the designed The software program performs data exchange, data processing and executes corresponding instructions to complete various function controls. In this embodiment, the central processing unit CPU adopts an 8051 single-chip microcomputer chip, and the memory adopts an E ² PROM memory, and the E ² PROM means a floating gate electrically erasable programmable read-only memory.

Fig. 2～Fig. 5 have respectively shown the general process and the specific steps of each sub-process of realizing TV multi-channel program playback browsing method, detailed description is as follows

(1) Set the man-machine interface-menu, because the existing TV cannot realize the playback browsing of three or more channels, and there is no function for the user to select the program playback and browsing on the setting menu, so it needs to be set on the TV screen setting menu Add the setting item of playback browsing channel numerical value N, as shown in Figure 3, in the present invention, the setting range of N value is 2～5;

(2) To set the playback browsing channel value n and the channel to be playback browsing, first enter the playback browsing channel value setting menu, set the playback browsing channel value n, and judge whether the original set value N is changed, if yes, change the changed value The value n of the playback browsing channel is stored in the E ² PROM memory, otherwise the value in the E ² PROM memory remains unchanged;

菜单按钮，进入电视机菜单，通过遥控器导航方向键 ，

键控制，选择需要调节的项目，如图3所示，根据选择光标的移动，被选项目—“设置”显示为高亮，表示该项目处于可调节状态，菜单上设有回放浏览频道数值N的设定项，N值的范围为2～5，此时显示原选定的回放浏览频道数值N为2，通过按遥控器导航方向键

，

键选定n值，此例中选为3，此时遥控息由遥控接收窗接收，并传送到中央处理器CPU，中央处理器CPU判断E²PROM存储器中原设定值是否改变，当判断为“是”时，则将改变的回放浏览频道数值3存储到E²PROM存储器中，否则E²PROM存储器中的值不变，这里的原设定值可以是本机出厂前设定的默认值，也可能是前次使用的选定值；After the TV is turned on, the user presses the

Menu button, enter the TV menu, and navigate through the direction keys on the remote control ,

key control, select the item that needs to be adjusted, as shown in Figure 3, according to the movement of the selection cursor, the selected item - "Settings" is highlighted, indicating that the item is in an adjustable state, and the playback browsing channel value N is set on the menu The setting item, the N value ranges from 2 to 5. At this time, the original selected playback browsing channel value N is 2. By pressing the navigation direction key on the remote control

,

Press the key to select the value of n, which is selected as 3 in this example. At this time, the remote control information is received by the remote control receiving window and sent to the central processing unit CPU. The central processing unit CPU judges whether the original set value in the E ² PROM memory has changed. When it is judged as ""Yes", store the changed playback browsing channel value 3 in the E ² PROM memory, otherwise the value in the E ² PROM memory remains unchanged, and the original setting value here can be the default value set before the machine leaves the factory. It may also be the previously used selected value;

After setting the value n of the playback browsing channel, set n channels to be playback browsing, and store the frequency point information of the channel as a temporary variable in the E ² PROM memory;

According to personal preferences, the user uses the remote control channel selection key to set 3 channels to be played back and browsed. For example, select channel 1, channel 5 and channel 10 and open the screen. At this time, under the control of the central processing unit CPU, the channel's The frequency point information is stored in the E ² PROM memory as a temporary variable;

(3) Start the playback and browsing function of multi-channel programs, press the remote control button, the central processing unit CPU judges whether it is the first button, if yes, reads the playback browsing channel value n from the E ² PROM memory, reads the frequency point information of the previous channel according to the n value, and assigns it to the current Channel variable for channel switching, otherwise directly read the frequency point information of the previous channel and assign it to the current channel variable for channel switching.

键，则转换到10频道，如此循环，直至下一次重新设定回放浏览频道数值n，重新选定欲回放浏览的频道。这里电视机屏幕设置菜单上设置回放浏览频道数值n为2～5，可由用户在5个频道间回跳浏览，满足了用户个性化需求。When the user is watching TV programs, if he wants to play back and browse the other two channels while watching channel 10, then start the multi-channel program playback and browsing function, press the remote control key 1 time, at this moment, the central processing unit CPU at first judges whether the number of starts is the first time, if yes, the central processing unit CPU reads the n value 3 in the E ² PROM memory, and then according to the playback channel number 3, read Get the frequency point information of the previous channel 5, and assign it to the current channel variable for channel conversion, turn to channel 5, at this time, the electronic tuner is tuned to channel 5 under the control of the central processing unit CPU, and the TV display screen displays Channel 5 program screen; at this time, if you press the remote control again key, the central processing unit CPU judges that the number of starts is not the first time, then continue to execute the program according to the original set value 3, directly read the frequency point information of the previous channel 1, and assign it to the current channel variable for channel switching. Switch to channel 1, if you press the remote control for the third time

key, then switch to channel 10, and so on, until the next time the value n of the playback browsing channel is reset, and the channel to be playback browsing is re-selected. Here, the playback browsing channel value n is set to 2 to 5 on the TV screen setting menu, and the user can browse back and forth between the 5 channels, which meets the individual needs of the user.

Claims (1)

1, a kind of television receiver multi-channel programme replay browsing method, described television set mainly comprises electronic tuning unit, demodulator of PM signal PM, video processor, audio process, central processor CPU, memory, remote controller, receiver of remote-control sytem, loud speaker and display, it is characterized in that comprising the steps:

(1) man-machine interface-menu is set, sets up the setting item of replay browsing channel numerical value of N on the television screen setup menu, the scope of N value is 2～5;

(2) channel of setting replay browsing channel numerical value n and desire replay browsing, at first enter replay browsing channel numerical value setup menu, replay browsing channel numerical value n is set, judge whether former set point N changes, if yes, then the replay browsing channel numerical value n that changes is stored in the memory, otherwise the value in the memory is constant; Then, set n the channel of desiring replay browsing, and the Frequency point information of channel is stored in the memory as temporary variable;

(3) start the multi-channel programme replay browsing function, press remote controller

Button, judge whether to be the button first time, if yes, then from memory, read replay browsing channel numerical value n, read the Frequency point information of last channel according to the n value, and compose and carry out channel switch for the current channel variable, otherwise directly read the Frequency point information of last channel, and compose and carry out channel switch for the current channel variable.

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