KR100740297B1 - Sound control method for automatically controlling respective volumes of channels - Google Patents

Abstract

The present invention compensates the volume level provided differently for each channel in the television according to the volume level set by the user so that the volume of a constant level is always output corresponding to the volume set by the user even when the channel is changed. The present invention relates to an adjustable volume control method. The present invention provides an audio signal converter for converting an analog audio signal sequentially output through a tuner and an audio signal processor into a corresponding digital audio signal, and controls the overall operation of the volume control device. The viewer controls the storage of the volume level set by the viewer using the manual operation or the remote control, and when the channel is changed, the audio level corresponding to the digital audio signal obtained from the audio signal converter is automatically compared with the stored volume level. Output control data to compensate for differences The viewer to set the volume of the audio signal output from the audio signal processor according to the control signal output from the microcomputer, the memory for storing the audio level data corresponding to the acquired digital audio signal, and the set volume level. By providing a volume compensator that outputs after compensating for the volume level, it is possible to output a volume of a constant level corresponding to the volume set by the user at all times even when a channel is changed.

Description

SOUND CONTROL METHOD FOR AUTOMATICALLY CONTROLLING RESPECTIVE VOLUMES OF CHANNELS}

1 is a block diagram showing the configuration of a volume control device capable of automatic volume control for each channel according to an embodiment of the present invention.

Figure 2 is a flow chart showing a volume control method capable of automatic volume control for each channel according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

105... Audio signal processor

111... Memory

113... Audio signal converter

115... Micom

117.. Volume compensator

The present invention relates to a volume control capable of automatic volume control for each channel, and more particularly, a user can always set a user even when changing a channel by compensating a volume level provided differently for each channel in a television according to a volume level set by a user. The present invention relates to a volume control method capable of automatic volume control for each channel such that a volume of a constant level is output corresponding to one volume.

Recently, with the development of digital technology, the digitalization of television is accelerating, and the previous analog television has also advanced to the level that can provide video and high quality voice service with the advanced display device.

With the diversification and enhancement of the television broadcasting service, it is possible to access a rich content broadcasting service. In addition to terrestrial broadcasting, cable and satellite broadcasting services have appeared one after another, and the contents are also being variously displayed including movies, dramas, sports, hobbies, and religions.

In the case of a television receiver providing various video and audio, it is important to set up a unique video and audio that make each video and audio stand out.

Looking at the process of setting and outputting the audio information in the conventional television system, the user sets the desired volume level by pressing the volume control key provided on the remote controller or the main body of the remote controller, if the volume level is set, the overall operation of the television system In the microcomputer (control means) controlling the amplifier gain of the voice output stage is adjusted to the well-known setting level to control the volume to be sent to match the volume level set by the user.

That is, the gain of the voice amplifier provided at the front of the speaker is set according to the volume level set by the user, and the gain is fixedly set regardless of the volume level input to the voice amplifier to adjust the level of the output volume.

However, since the volume levels applied to the programs for each channel produced by each broadcasting company are different from each other, even if the gain of the audio amplifier is adjusted according to the volume level set by the user, if the volume level provided for each channel is different, finally, The output volume level varies. In general, the volume of a home shopping channel or a sports channel is set relatively louder than a movie channel or a drama channel.

Therefore, when a user watches a specific channel at a desired volume level and changes the channel level, the user needs to set a desired volume level again by manipulating the volume control keys provided in the remote controller or the main body.

This inconvenience causes more discomfort as the channel is changed frequently, and in particular, a sudden increase in the volume of a certain channel (for example, a home shopping channel) is a common reflection.

Therefore, the present invention has been proposed to solve various problems occurring in the volume control method of the conventional television system as described above,

An object of the present invention is to provide a volume control method capable of automatic volume control for each channel to automatically compensate the volume level provided differently for each channel in the television according to the volume level set by the user.

Another object of the present invention is to provide a volume control method capable of automatic volume control for each channel such that a volume of a constant level is always output in response to a volume set by a user even when a channel is changed.

Another object of the present invention is to always output the volume of a constant level corresponding to the volume set by the user even when changing the channel to solve the inconvenience that the user has to reset the volume level every time according to the volume changes when changing the channel. It is to provide a volume control method capable of automatic volume control for each channel.

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According to a preferred embodiment of the present invention for achieving the above object "volume control method capable of automatic volume control for each channel",

A first step of storing, in a memory, a volume level set by a viewer (user) through a manual operation or a remote control;

Checking whether the channel is changed, and detecting a volume level provided from the corresponding channel in the case of changing the channel;

A third step of comparing the detected volume level with a volume level set by the viewer and compensating the level of the audio signal output to the speaker according to the comparison result according to the volume level set by the viewer;
A fourth step of checking whether the manual volume level is adjusted by the viewer when the channel is not changed as a result of checking whether the channel is changed in the second step;

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A fifth step of compensating the current output volume according to the volume level adjusted by the viewer when the viewer determines the manual volume level by the viewer;

As a result of checking whether the manual volume level is adjusted, a sixth step of maintaining previous volume compensation data is performed when the manual volume level is not adjusted.

The third step may include comparing the detected volume level with the set volume level to maintain current volume compensation data and compensating the final output volume when the same is equal;

Calculating new compensation data for volume compensation when the detected volume level is different from the set volume level;

Comprising the step of compensating the final volume based on the newly calculated volume compensation data corresponding to the volume level set by the viewer.

The calculating of the compensation data may further include calculating a difference between the detected volume level and the set volume level;

And extracting the volume compensation data corresponding to the calculated volume level difference from the memory.

Hereinafter, described in detail with reference to the accompanying drawings a preferred embodiment of the present invention. If it is determined that the detailed description of the known function or configuration related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description thereof will be omitted.

1 is a block diagram showing the configuration of a volume control device capable of automatic volume control for each channel to which the present invention is applied.

Reference numeral 101 denotes an antenna for receiving a broadcast signal, reference numeral 103 denotes a tuner for tuning a channel selected by a viewer from the received broadcast signal, and reference numeral 105 denotes an audio for processing an audio signal of a selected channel. Represents a signal processor.

Also, reference numeral 107 denotes a volume control unit for generating a corresponding operation signal when the viewer directly operates a volume control key (button) provided in the main body, and reference numeral 109 denotes a remote control transmission signal generated by the viewer operating the remote controller. As a remote control receiving unit for receiving and converting to an electrical signal, in particular, when the user transmits the volume control signal using the remote control serves to convert it to the electrical volume control signal.

Reference numeral 111 denotes a memory for storing the volume level set by the viewer and storing audio level data corresponding to the detected digital audio signal, and reference numeral 113 denotes an analog audio signal output from the audio signal processor 105. It is preferred to have an analog to digital converter for converting an analog audio signal into a corresponding digital audio signal as an audio signal converter.

In addition, reference numeral 115 controls the overall operation of the volume control device, but controls the storage of the volume level set by the viewer using a manual operation or a remote control, the audio corresponding to the digital audio signal obtained from the audio signal converter 113 A microcomputer that compares the level and the volume level stored in the memory and outputs control data to compensate for the difference. When a channel change occurs through manual operation or a remote control, the microcomputer performs a control operation for automatic volume compensation. When the volume control is requested through a manual operation or a remote controller, it is preferable to compensate the volume by a control operation that compares the previously set volume with the volume level required by the viewer and compensates for the difference.

Next, reference numeral 117 denotes a volume compensator for compensating the volume of the audio signal output from the audio signal processor 105 according to the control data output from the microcomputer 115 in accordance with the volume level set by the viewer, and then outputting the volume compensator. Reference numeral 119 denotes a speaker for transmitting an audio signal to the outside.

According to the present invention configured as described above, when the viewer manually adjusts the volume while watching a television, the output volume is adjusted accordingly and when the viewer changes the channel, the output volume is automatically adjusted to the volume previously set by the viewer. There may be a reward.

First, in the former case, a viewer (user) watching a television is watching a specific channel, and then adjusts the volume control key mounted on the main body of the television or adjusts the volume control button provided on the remote control. When the volume control unit 10 or the remote control receiver 109 transmits a volume control signal corresponding thereto to the microcomputer 115.

The microcomputer 115 stores the volume control signal set by the user, that is, the volume level, in the memory 111, and then generates data for compensating for the difference by comparing the previous volume level to provide the volume compensator 117. The volume compensator 117 compensates for the volume of the audio output from the audio signal processor 105 in response to the difference. In this case, the volume compensator 117 may include a digital / analog converter and convert volume compensation data output from the microcomputer 115 into a corresponding analog signal.

The audio with volume compensation is transmitted through the speaker 119, thereby adjusting the volume according to the volume level manually operated by the viewer.

As is well known, the volume control method is a general audio control function performed in a conventional television.

Next, in the latter case, when a viewer (user) watching a television is watching a specific channel and operates a channel operation key mounted on the main body of the television or a channel change button provided on the remote controller, Although not shown, the key input device or the remote control receiver 109 transmits a channel change signal corresponding thereto to the microcomputer 115.

When the channel change signal is input, the microcomputer 115 controls the tuner 103 to set the channel selected by the viewer, and the volume level data and the memory 111 corresponding to the audio volume data converted by the audio signal converter 113. The difference is calculated by comparing the volume level data set by the viewer stored in the.

Here, the audio signal converter 113 converts the analog audio signal of the selected channel output from the audio signal processing unit 105 after the channel change into a digital audio signal corresponding thereto, and delivers it to the microcomputer 115, and the microcomputer 115. ) Searches the memory 111 to extract volume level data (referred to as "detected volume levels") corresponding to the digital audio signal. Thereafter, the detected volume level is compared with the volume level data previously set by the viewer (referred to as " set volume level ") to calculate the difference. The volume compensation data corresponding to the calculated difference is extracted from the memory 111 and transferred to the volume compensator 117.

The volume compensator 117 converts the transmitted volume compensation data into an analog compensation signal through an internal digital / analog converter, and compensates the volume of audio output from the audio signal processor 105 with the converted analog compensation signal. As such, the audio signal whose volume is automatically compensated according to the channel change is transmitted to the outside through the speaker 119.

That is, the volume control capable of automatic volume control for each channel according to the preferred embodiment of the present invention, when the viewer requests a volume control while watching a specific channel, adjusts the volume through a conventional volume control method of a television. Otherwise, if a viewer watches a specific channel and changes the channel, the volume compensation method is automatically performed. Therefore, even when the channel is changed, the audio level finally output can always match the volume level set by the viewer, regardless of the audio signal level provided for each channel. This can alleviate the inconvenience of viewers re-adjusting the audio volume due to a sudden change of audio sound after changing the channel. Also, if the audio level included in the changed channel is relatively higher than the audio level of the previous channel, the sound suddenly becomes loud. You can also fundamentally solve the problem of surpriseing viewers.

2 is a flowchart illustrating a volume control method capable of automatic volume control for each channel according to a preferred embodiment of the present invention, where S represents a step.

As shown therein, a first step (S101) of storing a volume level set by a viewer (user) through a manual operation or a remote controller in a memory; A second step (S103, S109) of checking whether the channel is changed and detecting a volume level provided from the corresponding channel in the case of changing the channel; A third step (S113 to S119) is performed to compare the detected volume level with the volume level set by the viewer, and to compensate the level of the audio signal output to the speaker according to the volume level set by the viewer corresponding to the comparison result. .

In addition, the "volume control method capable of automatic volume control for each channel" according to the present invention,

A fourth step (S105) of checking whether a manual volume level is adjusted by a viewer when the channel is not changed as a result of checking whether the channel is changed; A fifth step (S119) of compensating the current output volume in response to the volume level adjusted by the viewer when the result of the manual volume level adjustment by the viewer is confirmed; The method may further include a sixth step S107 of maintaining previous volume compensation data when the manual volume level is not adjusted as a result of checking whether the manual volume level is adjusted.

Here, the third step may include comparing the detected volume level with the set volume level to maintain the current volume compensation data and compensating the final output volume in the same case (S113 and S115); Calculating newly compensation data for volume compensation when the detected volume level and the set volume level are different (S117); Compensating for the final output volume based on the newly calculated volume compensation data corresponding to the volume level set by the viewer (S119).

The calculating of the compensation data may further include calculating a difference between the detected volume level and the set volume level; It is preferable to perform the step of extracting the volume compensation data corresponding to the calculated volume level difference from the memory.

In the volume control method capable of automatically adjusting the volume for each channel according to the present invention, the volume level set by the viewer (user) through a manual operation or a remote control in step S101 is first stored in a memory, and then the channel is changed in step S103. You will be asked to check.

If the result of the check is not a channel change, the process moves to step S105 to confirm whether the manual volume level is adjusted by the viewer. This is a process of checking whether the viewer is watching the current channel and adjusting the volume by using a manual or a remote control as necessary.If the result of the confirmation is that the manual volume level is required by the viewer, the process proceeds to step S119 and the volume previously set. The level is compared with the volume level currently selected by the viewer to compensate the output volume through the volume compensator 117 by the difference. This volume control method is a general volume control method in a television.

When it is determined whether the manual volume level is adjusted, if the manual volume level is not adjusted, the process moves to step S107 to maintain previous volume compensation data.

Next, when the viewer changes a channel to another channel while watching a specific channel, that is, when the channel is changed, the volume level provided by the corresponding channel (the changed channel) is detected in step S109.

In addition, the volume level detected in step S111 is compared with the volume level set by the viewer. In step S113, it is checked whether the detected volume level is the same as the set volume level. As a result of this check, if the detected volume level and the set volume level are the same, the flow advances to step S115 to maintain the current volume compensation data to compensate for the final output volume. That is, when the audio level provided in the changed channel is the same as the audio level provided in the previous channel, since the audio level does not substantially change due to the channel change, the current volume compensation data is maintained as it is to compensate for the output volume.

On the other hand, if the detected volume level and the set volume level are different, the process moves to step S117 to newly calculate compensation data for volume compensation. Here, the method of newly calculating the volume compensation data includes calculating a difference between the detected volume level and the set volume level, and extracting volume compensation data corresponding to the calculated volume level difference from the memory 111. Compensation data is newly calculated.

In operation S119, the final volume output based on the newly calculated volume compensation data is compensated corresponding to the volume level set by the viewer.

As a result, the channel is changed, and even if the audio level of the changed channel is different from the audio level of the previous channel, the finally output volume maintains the volume previously set by the user.

That is, the volume control method that can automatically adjust the volume for each channel according to a preferred embodiment of the present invention, if the viewer requests the volume control while watching a specific channel, and adjusts the volume through the conventional volume control method of television, In contrast, when a viewer watches a specific channel and changes the channel, the volume compensation method is automatically performed. Therefore, even when the channel is changed, the final audio level always matches the volume level set by the viewer regardless of the audio signal level provided for each channel. This can alleviate the inconvenience of viewers re-adjusting the audio volume due to a sudden change of audio sound after changing the channel. Also, if the audio level included in the changed channel is relatively higher than the audio level of the previous channel, the sound suddenly becomes loud. You can also fundamentally solve the problem of surpriseing viewers.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

According to the present invention described above, there is an advantage that can automatically compensate the volume level provided differently for each channel in the television according to the volume level set by the user.

In addition, there is also an advantage that can be controlled so that the volume of a constant level can be output corresponding to the volume set by the user at all times even when changing the channel.

In addition, there is an advantage that the user can always output the volume of a constant level corresponding to the volume set by the user to solve the inconvenience that the user has to reset the volume level every time according to the volume changes when changing the channel.

Claims (9)

delete delete delete delete In the volume control method capable of automatic volume control for each channel in the television to tune the broadcast signal to display the image on the screen and the audio output to the speaker, A first step of storing, in a memory, a volume level set by a viewer (user) through a manual operation or a remote control; Checking whether the channel is changed, and detecting a volume level provided from the corresponding channel in the case of changing the channel; A third step of comparing the detected volume level with a volume level set by the viewer and compensating the level of the audio signal output to the speaker according to the comparison result according to the volume level set by the viewer; A fourth step of checking whether the manual volume level is adjusted by the viewer when the channel is not changed as a result of checking whether the channel is changed in the second step; And a fifth step of compensating the current output volume in response to the volume level adjusted by the viewer when the viewer determines the manual volume level. The third step, Compensating the final output volume by maintaining current volume compensation data when the detected volume level is equal to the set volume level if the same is equal; Calculating a difference between the detected volume level and the set volume level; Extracting volume compensation data corresponding to the calculated volume level difference from a memory; And automatically compensating the final volume output based on the extracted volume compensation data corresponding to the volume level set by the viewer. delete [6] The volume of claim 5, further comprising a sixth step of maintaining previous volume compensation data when the manual volume level is not adjusted. How to adjust. delete delete

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