TWI284480B - System and method for managing volume - Google Patents

Abstract

The present invention relates to a method for managing volume, includes steps: receives a command signal of selecting a channel; reading a preferred gain value corresponding to the channel from a predetermined table; and amplifying audio signals of said channel by said preferred gain value. Wherein, in the course of outputting audio signals of the channel, if current gain value is adjusted, the audio signals of the channel are amplified by said adjusted gain value, and a new preferred gain value is calculated by said adjusted gain value and primary preferred gain value of said channel; the primary gain value is replaced by the new preferred gain value. The present invention also provides a system for managing volume. The present invention is performed for a user to enjoy programs of each channel in a preferred volume level, and to avoid unnecessary manual adjustment when selecting a channel.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a volume management system and method, and more particularly to a system and method for managing the volume of each channel of a television. [Prior Art] The audio signals output by different channels in a conventional television set have different levels, so that the volume level of the actual output sound is different in the case where the same gain value is used to amplify the audio signal. The drawback of the traditional TV set is that when the user converts the channel, the output of each channel

The sound is loud and small, and the user must manually adjust the gain value of the channel as soon as the user changes and selects a channel. In response to the above drawbacks, a method and apparatus for automatically compensating for volume has appeared on the market. The method for automatically compensating the volume includes the following steps: receiving a command signal for selecting a channel; separating the audio signal of the channel into a voice interval and a silent interval, and determining whether the input audio signal is in a music thief or a voice mode; The audio 峨 is compared with the energy value of the post-predetermined week _ in a predetermined week, and the energy value in the pre-predetermined period is compared, and the amount of the audio 峨 is calculated by the difference of the ugly value. And the volume is adjusted by the amount of compensation. The method of automatically compensating the volume automatically compensates for the volume, which reduces the manual adjustment of the volume. However, the above-described method for automatically compensating the volume requires a complicated addition of many components, which will increase the cost of the machine. In addition, when the user is watching different TV programs, for example, when listening to music programs, the volume setting will be higher than the 2a level, and the volume will be set to be fine, and the volume that the user feels when any of the programs will be perceived by the user. Both are basically the same, the video camera is still in the output channel and the channel output program needs to change _1^ will guide the household in the selection of [invention] 9. In view of this, it is necessary to provide a volume management side of the following steps: · Receive - select the channel control signal; Wei =: volume management method includes a fixed gain value; and 11_ slave gain like money fine noodle = wipe 2 channel It is also necessary to provide a volume management system for managing the gain values of each channel of a television, including a volume control unit and a volume management unit. The volume management unit stores a setting table including an_acquisition module and a calculation module minus one setting module. After obtaining the control number of the ship, the acquisition module reads the set addition record of the pavement in the setting table, and sends the estimated gain value to the dragon volume control unit. The volume control unit 7G puts the audio signal of the channel by the set gain value. There is a need to provide a TV that automatically adjusts the volume, including a central processing unit, - touch unit, - waveform detection unit, - input signal selection unit, - = volume management unit and - volume (four) unit. The unit _ the control signal sent by the processing unit of the towel, and the television broadcast signal of the corresponding channel of the singer (4). The new video channel audio signal is restored in the unit. The input signal chat unit redeploys the video signal transmission to the 7F single 7G into the shed, and transmits the above audio signal to the volume control unit. The volume management unit saves money-sets, #receives_the control unit of the selected channel sent by the central processing unit, the volume management unit reads the set gain value of the channel in the lyrics, and sends the set gain value to The volume control unit is described by the title of the employee. Compared with the prior art, the volume management system and method are used for receiving a m_ of a selected channel, reading a setting increase of the channel, and outputting the slave gain value and outputting The audio signal of the channel; thus enabling the user to program 2 channels under his favorite volume level, and avoiding unnecessary steps of manually adjusting the volume when the user selects the channel. Embodiments of the present invention will be described below with reference to the accompanying drawings. [Embodiment] As shown in the first figure, it is an architectural diagram of an audio signal processing apparatus of a television set in the present embodiment. The audio signal processing device 10 includes an input unit u, a central processing unit 12, a tuning unit 13, a waveform detecting unit 14, an input signal selecting unit 丨5, a sound control unit 16, a volume management unit π, and An audio output unit 18. The input unit 11 generates a command signal for selecting a channel in response to an operation of the user selecting a channel. The 5th central processing unit 12 receives and recognizes the command signal and then sends a corresponding control signal to the tuning unit 1284480. The selection of the white eye 3 should control the signal, from the received TV broadcast signal 1 Ϊ pre-broadcast signal, and then the channel broadcast signal of the channel can be the 21st antenna: receive === signal 'the TV broadcast surface received The analog TV signal 'can also be used to restore the video camera from the TV broadcast signal input from the original cable 13 to the volume control unit )6) to transmit the audio signal to each frequency. 17 the secret channel and the gain value, the volume control selects the set gain value of the channel, and controls the setting 7016 under the control of the central processing unit 12, by (4) setting the sound track and then transmitting the second audio The opposite side of the output of the audio output unit 18 outputs the amplified 318 to be a device or a headset. *. 疋7 is also used when the above user# is not included in the setting table, the channel is added in the first setting table, the volume management unit === road management list ====== material, the volume benefit The value stored in the setting table is used as the set gain field value of the channel, and the over-volume control unit 16 that currently increases the audio signal outputting the channel is adjusted by the adjusted effect field Ilf. Job, _丨7 dirty shirt m get =

8 1284480 Adjusted gain value, and by using the adjusted gain value and the set gain value of the channel, calculate a comprehensive gain value, and then use the integrated gain value to update the set gain value of the channel. Wherein, the calculation of the above comprehensive gain value may adopt different algorithms, for example, a force weighting algorithm may be employed. Specifically, the weighting algorithm may be configured to set a smaller weighting parameter value for the adjusted gain value, and set a larger weighting parameter value for the set gain value, and then output a weighted gain value.曰... As shown in the second figure, it is a module diagram of the volume management unit in the present embodiment. The volume management unit 17 includes an acquisition module 21, an add module 22, a calculation module 23, and a setting module 24. ^

The acquisition module 21 ^ . 丨 ~ w sinking team ~ % 评州退心市市J J, now reads the set gain value of the channel in the above setting table, and sends the set gain value to the volume control Single, 16. The adding module 22 is configured to add the channel to the setting table when the upper channel does not exist in the setting table, and obtain a current gain value from the volume control unit 16, "two current gain value storage_setting wire The towel is used as the set gain value of the turn; the county plus mode == is also used to obtain the current gain value from the volume control sheet 70 16 when the set gain value of the channel does not exist in the setting table, and the current gain value is used. Stored in the setting table, the gain value is set. The calculation module 23, after receiving the _adjust current gain value, obtains the gain after the adjusted gain value j section from the volume control unit 16. The value and the set gain value of the channel, calculate a comprehensive gain two: «Set module 24, use the integrated gain value to update the set gain value of the channel. As shown in the third figure, this embodiment selects When the channel is automatically adjusted, the flow rate of the current channel is adjusted. The input unit u rings the operation of the lion road, generates ^ shout, the towel money management unit 12 receives and recognizes the command ", and to the = Lilu In the morning 70 17 respectively sent - the corresponding control signal (step S3 The volume management: 2 receives and responds to the control 2, reads the above setting table (step S31), and determines whether the above channel exists in the ( (step phantom 2). If the frequency is determined in the setting table, the frequency is determined. Whether there is a set gain value of the above channel in the setting table (step). If the money setting table has the set gain value of the above channel, the volume management 7 is based on the mosquito gain value of the setting table. Gain value transmission 8 9 1284480 Single 7016 (step S34) ° The audio signal input by the audio processing unit 16 is input to the signal selection unit 15 by the above setting (step S35). 17 then if the above table does not exist in the setting table a channel, the volume management unit adds the channel to the setting table (step S36). The volume management unit 17 takes the current gain value from the tone 226 (step S37), and stores the current gain value. It is expected that the mosquito position value (step S38). The weaving process proceeds to step - the day collision unit 16 amplifies the audio signal input by the input signal selection unit 15 by the set gain value. The frequency does not exist in the setting table. Setting a gain value of the track, the volume element, n acquires a current gain value from the volume control unit 16 (step, and stores the backup gain value in the setting scarf as the set gain value of the paved road (step ah. The flow proceeds to step S35, and the volume control unit 1 amplifies the audio signal input by the input signal selection unit 15 by using the set gain value. As shown in the fourth figure, the audio signal of the current channel is output in the embodiment. Generating a set value of the set gain value of the channel. After the audio signal of the pre-transmission channel is over-paid, the towel processing unit 12 recognizes the current gain by real-time side-by-side identification of the command nickname sent by the input unit η. Whether the value is adjusted (step S4〇). If the current gain value is not adjusted, the volume control unit 16 continues to amplify the audio field of the input signal input 15 by the current gain value ((4) tear); if the current gain value is adjusted, the central processing unit 12, respectively, sending a corresponding control signal to the volume management unit 17 and the volume control unit 16, and the volume control unit 16 receives and responds to the control signal, adjusts the current gain value, and amplifies the above by the adjusted gain value. Audio signal (step S42). The volume management unit 17 receives and responds to the control signal, and acquires the adjusted gain value from the volume control unit 16 (step S43). The volume management unit 17 calculates a comprehensive gain value by using the adjusted gain value and the set gain value of the channel (step S44)', and then updates the set gain value of the channel with the integrated gain value (step S45). ). The disclosure of the volume management system and method proposed by the present invention can be in accordance with the invention patent requirements, and the patent application is filed according to law. However, the above is only the volume of the present invention.

10 1284480

DETAILED DESCRIPTION OF THE INVENTION The equivalent modifications and variations of the present invention are intended to be included within the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS The first figure is an architectural diagram of an audio signal processing apparatus of a television set in an embodiment of the present invention. The second figure is a block diagram of a volume management unit in an embodiment of the present invention. The third figure is a flow chart for selecting the gain value of the # front channel when the time is selected in the embodiment of the present invention.

The fourth figure is a flow chart for regenerating the set gain value of the current channel in the process of rotating the tlt channel of the t-channel in the embodiment of the present invention. [Main component symbol description] 10 11 12 13 14 15 16 17 18 21 22 23 24 Audio signal processing device Input unit Central processing unit Tuning unit Waveform detection unit Input signal selection unit Volume control unit Volume management unit Audio output unit Acquisition module addition Module calculation module setting module

Claims (1)

1284480 9α 2. -5 X. Patent application scope: 1. 1. A volume management method, comprising the steps of: receiving a control signal for selecting a channel; reading a set gain value of the channel in a setting table; Amplifying and outputting the audio number 1 of the channel by the 3 疋 gain value 2 · When the volume control/outputting the audio signal of the channel as described in the scope of the patent application, if the current gain value is further included in the step: at the gain The value and the set gain value of the channel are calculated as the set gain value of the new channel after the increase value === section. (4) The value 'uses the comprehensive gain value more. 3. The volume management as described in item 2 of the scope of the patent application is based on the above-mentioned gains from Jinghou. , 'also includes the steps: lend 4. If the volume management mentioned in the application patent sub-item ^ method does not exist in the setting table, then in the setting table :,: also includes the step. If the pre-gain value, And adding the current gain value to the setting = obtaining one as 5. The volume tube gain value as described in the patent item gj item i. ^ Srivan method, which also includes the steps · If the set gain value of the channel does not exist in the table, then a current gain value is added to the setting table as the set promotion value of the channel. Nong,: "Quantity = the rationality, used to manage the frequency I gain value of a TV set, which includes a sound control early 70 and - day unit, the volume control solution element by - six audio " The summary is that the age management unit saves money - set 7 tables, 1 package f - get, mode, group, when receiving the control signal of the selected channel, read the slaves of the channel in the setting table, and Sending the set gain value to the volume, wherein the volume (4) unit is used to set the gain value to amplify the audio signal of the paving. The volume management system according to claim 6, wherein the volume management unit ^ include - module and - setting module; the computing module outputs the audio signal of the channel, 'if the gain value is adjusted, the adjusted gain value is obtained from the volume control unit' The adjusted gain value and the setting of the channel The gain value is calculated as a comprehensive gain value; the setting module is used to update the set gain value of the channel with the integrated gain value. 曰 8. The volume management system and system according to claim 7 of the patent application scope, wherein The current gain value is corrected by 13 1284480. The current page is replaced by the adjusted gain value to amplify the audio signal of the channel. Also includes - 峨 'shoot, tree management unit plus the channel, tilt volume control list = Supplement _, added to the setting table in the slave table for the setting of the gain value (four) increase, "the current gain value is used in the volume management system of 9", wherein the adding module is 5 叙 叙 啦 , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , A central processing unit, a tone detection unit, a loser selection unit, a volume control unit, an audio input == view: broadcast ί selects a corresponding channel of the television broadcast signal == single = the view early read TV broadcasts of people, anger, secrets and audio signals; The input signal is selected by the above-mentioned visually-respecting device, and the audio signal is transmitted to the volume control unit; the volume control unit amplifies the audio signal by a gain value, and weave the button The sound ship number is sent to the corresponding sound; it is characterized in that it also includes: spoof early output, - volume management unit, save money - set silk, #概_ towel central processing unit sends the selected channel When the signal is controlled, the volume management unit reads the set value of the channel in the setting table and sends the set gain value to the volume control unit. 曰, I2· as described in the patent scope 帛 U a volume television set, wherein, when the audio signal of the current channel is output, if the current gain value is adjusted, the volume management unit obtains the adjusted gain value by the volume control unit, by the adjusted The benefit value and the set gain value of the current channel are calculated, and the integrated gain value is calculated, and the set gain value of the current channel is increased by the combination. ~13. The television for automatically adjusting the volume as described in claim 12, wherein the volume control unit amplifies the audio signal by the adjusted gain value after the current gain value is adjusted. ..., 1284480 For example, the automatic adjustment of the volume of the television as described in the scope of the patent scope, wherein the setting table ^ exists in the surface of the volume management sheet is supplemented in the setting table, the volume control unit obtains - the current gain value The current gain value is stored in the set as the set gain value for the channel. ° The setting gain value of the 疋 量 控制 · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · Sound meaning f ^: read the gain value, and add the pre-ride gain value _ set the table cap to ί channel 15