JP2007049323A - Volume adjusting device and method therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve the problem of the shortage of gain easily without making the operation of an operator complicated even if the gain is in shortage. <P>SOLUTION: A fader level determination control unit 211 determines whether the operator is touching a fader 201 based on an operation detection signal from a fader touch sensor 205, and determines whether the level of the fader is at the maximum based on a fader level detection signal from a fader level detector 203. When the level of the fader is at the maximum, it is determined whether the operation pressure of the fader is preset one or higher based on an operation pressure signal from an operation pressure detector 206. When the operation pressure of the fader is at least the set one, a gain increase command for increasing gain by a preset increment is given to an input level adjuster 104 at a digital voice processor 120 for increasing digital gain. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a volume control (mixing) device used for broadcasting and the like.

  The volume adjusting device is a device that adjusts the output level of the audio signal of each input channel according to the operation of each fader individually corresponding to a plurality of input channels. FIG. 6 is a diagram illustrating an example of a conventional volume control apparatus, and the volume control apparatus includes an audio processing unit 100 and a mixer operation unit 200. The configuration of each unit 100, 200 is as follows.

  First, the audio processing unit 100 is a part that inputs audio signals of the input channels IN1 to INn and adjusts the output level thereof, and includes an analog audio processing unit 110 and a digital audio processing unit 120.

  Among these, the analog audio processing unit 110 inputs and amplifies an analog audio signal for each of the input channels IN1 to INn, and analog / digital converts the amplified analog audio signal into a digital audio signal. An A / D converter 102 is provided. In this case, the HA 101 is provided with a manual gain setting unit 103 such as a volume knob for manually setting the gains of the input channels IN1 to INn. The digital audio processing unit 120 includes an input level adjusting unit 104 that inputs the digital audio signals of the input channels IN1 to INn from the analog audio processing unit 110 and adjusts the output level thereof.

  Next, the mixer operation unit 200 is a part that gives a level adjustment command to the audio processing means for adjusting the output level of the audio signal of the input channel corresponding to the fader 201 in accordance with the operation of the fader 201. The mixer operation unit 200 includes a fader operation unit 202 including a plurality of faders 201 individually corresponding to the input channels IN1 to INn, and a fader level detection unit that mechanically detects a fader level corresponding to the operation amount of each fader. 203, a fader level control unit 204 that gives a level adjustment command to the digital audio processing unit 120 to adjust the output level of the digital audio signal of the corresponding input channel according to the fader level of each fader 201.

  The mixer operation unit 200 also includes a fader touch sensor 205 that detects a touch of a human hand or a fingertip with respect to each fader 201. The fader touch sensor 205 is provided to prevent malfunctions such as erroneous level adjustment when the faders are not being operated by detecting whether or not each fader is being operated.

JP 2004-112162 A JP 2004-207823 A

  However, in the level adjustment at the fader 201 by the conventional volume control device as described above, the plus-side gain is set to a fixed value assumed in advance (for example, +10 dB). For this reason, there is a possibility that the gain is insufficient at the fixed value when the assumed level of the sound volume is not input in a situation where it is not possible to perform re-taking such as on-air.

  In other words, if the sound to be mixed is at the maximum level (volume of the main audio signal) and the level input to the volume control device is low, the reference output level can be satisfied even if the fader level is adjusted to the maximum. Therefore, there is a possibility that the gain will be insufficient. In this case, the operator (operator) of the sound volume adjusting device needs to manually adjust the gain of the HA 101 together with the operation of the fader 201. As described above, when the operator performs two operations, the fader and the HA, the operation becomes complicated and it becomes difficult to deal with wrinkles.

  The present invention has been proposed in order to solve the above-described problems of the prior art, and its purpose is to achieve insufficient gain without complicating the operation of the operator even when the gain is insufficient. It is an object to provide a volume control device and method with high operability that can easily eliminate the problem.

  In order to achieve the above object, the present invention eliminates the need for the operator to operate the HA by increasing the gain of the input channel according to the operating pressure of the fader when the fader level of the fader reaches the maximum level. The gain can be increased automatically.

  The volume control device according to claim 1 is a volume control device that adjusts an output level of an audio signal of each input channel in accordance with an operation of each fader individually corresponding to a plurality of input channels. An audio processing means for inputting and adjusting the output level, and a level adjustment command for adjusting the output level of the audio signal of the input channel corresponding to the fader according to the operation of the fader. The mixer operating means is provided to the means, and the mixer operating means further has the following configuration.

  That is, the mixer operating means includes a level detecting means for detecting a fader level corresponding to the operation of the fader, an operating pressure detecting means for detecting presence / absence of pressure applied from the fader being operated, and the fader level of the fader is the maximum level. And control means for giving a gain increase command for increasing the gain of the input channel corresponding to the fader to the sound processing means when an operation pressure is applied to the fader.

  According to a second aspect of the present invention, there is provided the volume control device, wherein the mixer operating means includes a level detecting means for detecting a fader level corresponding to the operation of the fader, an operating pressure detecting means for detecting the pressure applied from the fader being operated, When the fader level is the maximum level and the magnitude of the operation pressure of the fader is larger than a preset set value, the gain of the input channel corresponding to the fader is increased for the audio processing means. And a control means for giving a gain increase command for this purpose.

  The sound volume adjustment method according to claim 8 is obtained by grasping the invention according to claim 2 from the viewpoint of the method. Using the fader, the sound processing means, and the mixer operation means according to claim 2, In the volume adjustment method for adjusting the output level of an audio signal, the mixer operation means performs a level detection step, an operation pressure detection step, and a control step corresponding to each means of the mixer operation means according to claim 2. It is said.

  According to such a volume control device and method, in the mixer operation means, in addition to the existing technique of detecting the fader level and detecting whether or not the fader is in operation, the fader level becomes the maximum level. When the operating pressure is acquired, the presence or absence or comparison with the set value is automatically determined to determine whether or not the input channel gain is insufficient, and if the gain is insufficient, a gain increase command is automatically generated. It can be given to the voice processing means. Therefore, in the case where the gain is insufficient, the operator only needs to perform the fader operation to apply the operation pressure to increase the gain when operating the fader to the maximum level, without performing the operation on the HA. The missing gain can be increased automatically. In particular, since the presence or absence of gain increase is determined not by the operation duration but by the operation pressure, a quick response is possible.

  According to a third aspect of the present invention, there is provided the volume control device according to the second aspect, wherein the control means has the following characteristics. That is, it is configured to give a gain increase command for continuously increasing the gain of the input channel corresponding to the fader according to the magnitude of the pressure detected by the operation pressure detecting means.

  According to this volume control device, the gain can be increased greatly as the operating pressure of the fader increases. Therefore, when the operator determines that the gain shortage is large, the operator only consciously increases the operating pressure. Thus, the gain can be greatly increased.

  According to a fourth aspect of the present invention, there is provided the volume control device according to the second or third aspect, wherein the control means has the following characteristics. That is, when the fader level of the fader becomes the minimum level, or when a cancellation instruction is input from the input means connected to the control means, the control means inputs the input channel corresponding to the fader to the sound processing means. Is configured to cancel the gain increase setting.

  According to this volume adjusting device, the increased gain can be automatically restored to the original state by a fader operation or a release instruction input from the input means.

  According to a fifth aspect of the present invention, there is provided a volume adjusting apparatus according to any one of the first to fourth aspects, wherein the sound processing means includes a digital sound processing means for inputting a digital sound signal and adjusting the level of the digital sound signal. The configuration of the means has the following characteristics. That is, the control unit is configured to give a gain increase command for increasing the gain of the digital audio signal of the input channel corresponding to the fader to the digital audio processing unit.

  According to this volume adjusting device, the digital gain can be increased simply by using the route of the level adjusting command to the digital audio processing means and giving the gain increasing command, so that the device configuration can be simplified.

  According to a sixth aspect of the present invention, there is provided the sound volume adjusting apparatus according to any one of the first to fifth aspects, wherein the sound processing means includes analog sound processing means for inputting an analog sound signal and adjusting the level of the analog sound signal, The configuration of the means has the following characteristics. That is, the control unit is configured to give a gain increase command for increasing the gain of the analog audio signal of the input channel corresponding to the fader to the analog audio processing unit.

  According to this volume control device, when the gain setting is low, if the gain is increased by digital audio processing, the noise level also increases accordingly, but by increasing the analog gain, the noise level does not deteriorate, The quality of the finally output audio signal can be kept high.

  According to a seventh aspect of the present invention, there is provided the volume control device according to any one of the first to sixth aspects, wherein level display means for displaying a fader level is provided in the vicinity of the fader, and the configuration of the control means has the following characteristics. is there. In other words, when the gain is increased by giving a gain increase command to the sound processing means, the control means gives the level display means information indicating at least one of the increased gain and the fader level increased accordingly. It is comprised so that the display command for making it display may be given.

  According to this volume control device, when the gain is increased in accordance with the fader operation, information indicating this gain increase or the accompanying increase in the fader level can be displayed in the vicinity of the fader. It can be easily grasped visually, and an appropriate operation according to the gain increase can be performed.

  As described above, according to the present invention, when the fader level of the fader reaches the maximum level, the gain of the input channel is increased according to the operation pressure of the fader, so that even if the gain is insufficient, the operator Therefore, it is possible to provide a volume control device and method with high operability that can easily solve the shortage of gain without complicating the operation.

  Hereinafter, the best mode for carrying out the present invention (hereinafter referred to as “embodiment”) will be described with reference to the drawings.

[First Embodiment]
〔Constitution〕
FIG. 1 is a configuration diagram showing a volume control device according to a first embodiment to which the present invention is applied. The volume control device of the present embodiment controls the digital audio processing unit 120 to increase the digital gain. The digital audio processing unit 120 includes an input level adjustment unit 104, and a mixer. The operation unit 200 includes a fader operation unit 202, a fader level detection unit 203, and a fader touch sensor 205, which is the same as the conventional apparatus shown in FIG.

  In the present embodiment, in addition to these configurations, a fader level determination control unit 211 that replaces the conventional fader level control unit 204 is used in the mixer operation unit 200, and an operation pressure detection unit 206 and an operation pressure setting unit 215 are used. , A touch time detection unit 212, a time constant setting unit 213, and a gain setting release switch 214 are added.

  Here, the fader level determination control unit 211 is a means for giving a level adjustment command corresponding to the operation amount of the fader 201 to the digital audio processing unit 120, similarly to the conventional fader level control unit 204. In accordance with the present invention, the fader level determination control unit 211 also determines whether the fader level of the fader 201 is the maximum level and whether the operating pressure of the fader is greater than a preset set value. In such a case, the digital audio processing unit 120 is a means for giving a gain increase command for increasing the gain of the input channel corresponding to the fader.

  Here, the operation pressure of the fader is detected by the operation pressure detection unit 206. The operation pressure detection unit 206 is a pressure sensor that detects a pressure applied by further pushing up the fader when the fader reaches the end on the maximum level side. Note that the operation pressure detection unit 206 can detect a plurality of operation pressure levels in stages.

  The operating pressure setting unit 215 is a means for an operator to manually set a pressure for continuously increasing the gain. The operation pressure setting unit 215 can be configured by various simple operation units such as a knob, a lever, a dial, and a push button. This operation only needs to be performed before the fader operation, so it does not complicate the operator's operation during the fader operation, but the operator wants to change the set pressure by setting a predetermined default value. If it is set only to, the operation of the operator can be made easier.

  The touch time detection unit 212 is a time detection unit that measures the duration of a signal (operation detection signal) indicating operation detection given from the fader touch sensor 205 when the operator is operating the fader 201. A signal indicating the detected operation duration (operation duration signal) is output to fader level determination control section 211.

  The time constant setting unit 213 is a means for setting a time constant for increasing the gain according to the operation pressure detected by the operation pressure detection unit 206. When this time constant is short, the gain increase rate is slow, and when the time constant is long, the gain increase rate is fast. Therefore, for example, by setting multiple values in stages so that the time constant corresponding to a small pressure is long and the time constant corresponding to a large pressure is short, the gain increases faster as the operator pushes the fader stronger. To do. Similar to the operation pressure setting unit 215, the time constant setting unit 213 can be configured by various operation units, and not only can a desired value be set, but also a default value can be freely used.

  The time constant setting unit 213 can also manually set a time constant for the operator to cancel the increased gain setting. The gain setting cancellation switch 214 is a means for an operator to manually cancel the increased gain, and can be configured by a simple operation unit such as a push button.

  Further, in the present embodiment, a level display unit 221 that displays the gain of the input channel corresponding to the fader is provided in the vicinity of each fader 201 in the fader operation unit 202. The fader level determination control unit 211 is a display for displaying information indicating the increased gain on the level display unit 221 when a gain increase command is given to the digital audio processing unit 120 to increase the gain. Give a directive.

[Action]
[Gain control with or without push-up]
FIG. 2 shows gains that are performed according to whether or not the fader 201 is further pushed up from the maximum level position by the fader level determination control unit 211 in the volume control device of the present embodiment having the above-described configuration. It is a flowchart which shows an example of a control processing procedure.

  As shown in FIG. 2, the fader level determination control unit 211 first determines whether the operator is touching the fader 201 based on the operation detection signal from the fader touch sensor 205 or the operation duration signal from the touch time detection unit 212. It is determined whether or not the fader is being operated (S101). When the operator touches the fader 201 (YES in S101), it is determined based on the fader level detection signal from the fader level detection unit 203 whether the fader level is maximum (S102).

  When the fader level is the maximum (maximum state, YES in S102), it is determined based on the operation pressure signal from the operation pressure detection unit 206 whether or not the operation pressure is equal to or higher than a preset “P1” (S103). ). When the operation pressure is equal to or higher than “P1” (YES in S103), a gain increase command for increasing the gain by a preset increment “XdB” is given to the input level adjustment unit 104 of the digital audio processing unit 120. Then, the digital gain is increased by X dB (S104).

  When the gain is increased by the digital audio processing unit 120 in this way, the fader level determination control unit 211 causes the level display unit 221 of the fader operation unit 202 to display information indicating the gain after the increase. Give a display command. The process of increasing the digital gain by X dB (S104) is stopped when the increased gain amount reaches the upper limit at which the gain can be increased. If the maximum state continues after the gain is increased (YES in S105), the process returns to S101 and the above procedure is returned.

  For example, it is assumed that the operating pressure is “P1: 10 N (kgf)”, and the gain is increased to “+20 dB” at the maximum with the gain increment “X dB: +10 dB”. In this case, when the fader level is in the maximum state and the operating pressure at which the fader is touched is 10 N or higher, first, the gain is increased by +10 dB, and further, the operating pressure continues to be 10 N or higher. Is further increased by +10 dB to increase the gain by 20 dB in total. FIG. 3 is a diagram illustrating an example of level display by the level display unit 221 when the gain is increased by 20 dB as described above.

  As a modified example of the level display, information indicating an increase in fader level accompanying an increase in gain may be displayed in addition to information indicating an increase in gain. Alternatively, the operator can confirm an increase in gain only by displaying only one of the information.

  In this embodiment, since the operator can set / change the reference operation pressure, the gain increment may be a fixed value. However, as with the operation pressure, if the operator can set / change the gain, the gain can be set. The increase can be made more flexibly.

  Next, when the operator releases the fader, that is, when the operation of the fader is stopped (NO in S101), the gain increase is stopped. Subsequent level adjustment by the fader operation is performed in a state where the increased gain is held (a state where the gain is offset).

  The fader level determination control unit 211 also detects the fader level from the fader level detection unit 203 when the operator touches the fader 201 (YES in S101) and the fader level is not the maximum (NO in S102). Based on the signal, it is determined whether the fader level is minimum (S111). When the fader level is the minimum (minimum state, YES in S111) and the gain is increased (YES in S112), the minimum state continues for a time “T1” or more that is preset as a time constant. It is determined whether or not (S113).

  When the minimum state continues for time “T1” or more (YES in S113), a gain reduction command for returning the increased gain to “0 dB” is sent to the input level adjustment unit 104 of the digital audio processing unit 120. Then, the increased digital gain is canceled and reduced to 0 dB, and the normal state is restored (S114). In the present embodiment, the increased gain can also be released and returned to the normal state by operating the gain setting release switch 214.

  Thus, when the gain setting release switch 214 is used, for example, when the gain is increased and immediately returned to the normal state, the gain setting release switch 214 is configured rather than operating the fader from the maximum to the minimum. Since the operation time can be shortened by operating the push button or the like, there is an advantage that the operability is excellent.

  As a modification, even if the fader level does not reach the minimum level, the fader level may be canceled when it is lowered by a certain level or more from the maximum level. As yet another modification, it is also possible to use only one of a cancellation method by a fader level decrease and a cancellation method by a dedicated cancellation unit such as the gain setting cancellation switch 214.

[Gain control according to the pressure level of the push-up]
FIG. 4 illustrates an example of a gain control processing procedure performed according to the degree of the pushing pressure when the fader 201 is further pushed up from the maximum level position by the fader level determination control unit 211 in the volume control device of the present embodiment. It is a flowchart to show. The description of the same processing as that in FIG. 2 is simplified.

  As shown in FIG. 4, when the fader is being operated (S101) and the fader level is maximum (maximum state, YES in S102), the operation pressure is determined based on the operation pressure signal from the operation pressure detection unit 206. Is greater than or equal to “P1” set in advance (S103). If the operating pressure is “P1” or higher (YES in S103), it is determined which of the preset time constants the pressure corresponds to (S104). Then, in accordance with the corresponding time constant, a gain increase command for increasing the gain by the increment “XdB” is given to the input level adjustment unit 104 of the digital audio processing unit 120 to increase the digital gain by XdB (S105). As a result, the gain increases at a speed corresponding to the operating pressure. Subsequent display processing, gain increase processing when the maximum state is continued (S106), and gain increase stop processing when the upper limit is reached are the same as described above.

  For example, a time constant “T2: 1 second” corresponding to the operating pressure “P1: 10 N (kgf)”, a time constant “T3: 0.5 second” corresponding to the operating pressure “P1: 20 N (kgf)”, The gain is increased up to “+20 dB” as the gain increment “X dB: +10 dB”. In this case, when the fader level is in the maximum state and the operation pressure touching the fader is 10 N or more, first, the gain of +10 dB is increased in 1 second, and when the operation pressure is 20 N or more, 0 is obtained. Increase the gain of +10 dB in 5 seconds.

  Next, when the operator removes the hand from the fader, the level adjustment is performed with the gain being offset, and the minimum fader level continues for a time “T1” set in advance as a time constant. Returns to the normal state (S111 to S114). Other embodiments are the same as described above.

〔effect〕
According to the present embodiment as described above, the following effects can be obtained.

  First, in the mixer operation unit 200, in addition to the existing technique of detecting the fader level by the fader level detection unit 203 and detecting whether the fader is being operated by the fader touch sensor 205, the operation pressure detection unit 206 By simply obtaining the operating pressure and comparing the value with the set value, it automatically determines whether the input channel gain is insufficient. If the gain is insufficient, a gain increase command is automatically generated. To the voice processing unit 100.

  Therefore, in the case where the gain is insufficient, the operator automatically operates the fader 201 to the maximum level, and further pushes up the fader 201 to automatically adjust the insufficient gain without having to operate the HA 101. Can be increased. Since the presence / absence of gain increase is determined not by the operation continuation time but by the operation pressure, quick and continuous adjustment by continuous fader 201 operation is possible, and the operation load is reduced. In particular, since the gain can be set to increase faster as the operating pressure of the fader 201 is stronger, it is possible to realize a drought response.

  Further, if the operation duration of the fader 201 is lengthened, the gain can be increased greatly. Therefore, when the operator determines that the lack of gain is large, the operator merely consciously lengthens the operation duration, A desired gain can be obtained.

  Further, since the digital gain can be increased simply by giving the gain increase command using the level adjustment command route to the digital audio processing unit 120 as it is, the apparatus configuration can be simplified.

  Further, when the gain is increased in accordance with the fader operation, information indicating this gain increase or the accompanying increase in the fader level can be displayed by the level display unit 221 near the fader 201. Therefore, the operator can display the information. It can be easily grasped visually, and an appropriate operation according to the gain increase can be performed.

[Second Embodiment]
〔Constitution〕
FIG. 5 is a configuration diagram showing a volume control device according to a second embodiment to which the present invention is applied. In the configuration of the first embodiment, the volume control device of the present embodiment controls the analog audio processing unit 110 to increase the analog gain in addition to controlling the digital audio processing unit 120 to increase the digital gain. It is also possible to make it.

  In other words, in addition to the configuration of the first embodiment, the volume adjusting device of the present embodiment is provided with the gain control unit 111 that controls the HA 101 and performs gain control in the analog audio processing unit 110 and the digital audio processing unit 120. Further, a level adjustment point control unit 121 that switches the output destination of the gain increase command from the fader level determination control unit 211 between the input level adjustment unit 104 and the gain control unit 111 is provided. The configuration of other parts is the same as that of the first embodiment.

[Action]
In the volume control apparatus of the present embodiment having the above-described configuration, the gain control processing procedure itself by the fader level determination control unit 211 is the same as that of the first embodiment, and the output destination of the gain increase command is digital. The difference is that it is not the input level adjustment unit 104 of the audio processing unit 120 but the level adjustment location control unit 121.

  Then, the level adjustment point control unit 121 determines the output destination of the gain increase command as one of the input level adjustment unit 104 and the gain control unit 111 according to a preset adjustment point determination condition, and determines the determined output. By giving a gain increase command first, either the digital gain or the analog gain is increased.

  In this case, as the adjustment location determination condition, for example, an operator may set which of the digital gain and the analog gain is increased in advance. Also, either one of the input level adjustment unit 104 and the gain control unit 111 is set as a default value of the output destination, and a gain increase command is given to the selected output destination only when the operator selects the other as the output destination. You may do it.

  For example, when the digital gain is increased, the noise level is increased accordingly. Therefore, the default value of the output destination is set as the gain control unit 111 of the analog audio processing unit 110, and the analog gain is basically increased. Conceivable. Furthermore, for the same reason, if the gain increase amount is smaller than the preset value, the digital gain is increased. If the gain increase is equal to or greater than the preset value, the analog gain is increased. You may use the adjustment location determination conditions, such as making it.

〔effect〕
According to the present embodiment as described above, the following effects can be obtained in addition to the effects of the first embodiment.

  That is, not only the digital gain but also the analog gain can be increased, and any gain can be selectively increased according to the situation. Further, when increasing the analog gain, a route for giving a gain increase command to the analog audio processing unit 110 is required. However, when increasing the analog gain, the noise level may increase as the digital gain increases. Therefore, the quality of the finally output digital audio signal can be kept high.

[Other Embodiments]
The present invention is not limited to the above-described embodiments, and various other modifications can be implemented within the scope of the present invention. For example, in the second embodiment, either the digital gain or the analog gain is selectively increased. However, only the analog gain may be increased.

  In the above embodiment, the pressure sensor is used as means for detecting the operation pressure of the fader. However, a switch that detects the presence / absence of pressing by ON / OFF may be used. In other words, the operation pressure detection means described in the claims does not necessarily have to be able to detect a plurality of levels of the operation pressure, and may be anything that can detect at least the presence or absence of the operation pressure. Further, specific setting values such as pressure, time constant, gain increment, gain increase speed, pressure and increase speed stage number are not limited to those exemplified in the above embodiment, and can be freely changed. It is.

  Further, when the fader is set to the maximum level, the direction in which the pressure is applied to increase the gain can also be changed depending on the installation position and direction of the pressure detection means. For example, not only when the fader is pushed up in the sliding direction as it is, but also when sliding at an angle different from the sliding direction, when twisting in the rotational direction, when applying pressure so as to push the fader into the apparatus side, etc. . Any display device that can be used at present or in the future, such as LED and liquid crystal, can be applied.

The block diagram which shows the volume control apparatus which concerns on 1st Embodiment to which this invention is applied. The flowchart which shows an example of the gain control processing procedure by the presence or absence of push-up in the volume control apparatus of 1st Embodiment. The figure which shows an example of the level display by the level display part in the volume control apparatus of 1st Embodiment. The flowchart which shows an example of the gain control processing procedure according to the grade of the raising pressure in the volume control apparatus of 1st Embodiment. The block diagram which shows the volume control apparatus which concerns on 2nd Embodiment to which this invention is applied. The figure which shows an example of the conventional volume control apparatus.

Explanation of symbols

IN1 to INn ... Input channel 100 ... Audio processing unit 101 ... Head amplifier (HA)
102 ... A / D conversion unit 103 ... manual gain setting unit 104 ... input level adjustment unit 110 ... analog audio processing unit 111 ... gain control unit 120 ... digital audio processing unit 121 ... level adjustment location control unit 200 ... mixer operation unit 201 ... Fader 202 ... fader operation unit 203 ... fader level detection unit 204 ... fader level control unit 205 ... fader touch sensor 206 ... operating pressure detection unit 211 ... fader level determination control unit 212 ... touch time detection unit 213 ... time constant setting unit 214 ... Gain setting release switch 215 ... operating pressure setting part 221 ... level display part

Claims (8)

In a volume adjustment device that adjusts the output level of the audio signal of each input channel according to the operation of each fader individually corresponding to a plurality of input channels,
Audio processing means for inputting the audio signal of each input channel and adjusting its output level;
In accordance with the operation of the fader, comprising a mixer operating means for giving the audio processing means a level adjustment command for adjusting the output level of the audio signal of the input channel corresponding to the fader,
The mixer operating means includes
Level detection means for detecting a fader level corresponding to the operation of the fader;
Operation pressure detection means for detecting the presence or absence of pressure applied from the fader during operation;
Gain increase for increasing the gain of the input channel corresponding to the fader when the fader level of the fader is the maximum level and an operation pressure is applied to the fader. Control means for giving a command;
A volume control device comprising: In a volume adjustment device that adjusts the output level of the audio signal of each input channel according to the operation of each fader individually corresponding to a plurality of input channels,
Audio processing means for inputting the audio signal of each input channel and adjusting its output level;
In accordance with the operation of the fader, comprising a mixer operating means for giving the audio processing means a level adjustment command for adjusting the output level of the audio signal of the input channel corresponding to the fader,
The mixer operating means includes
Level detection means for detecting a fader level corresponding to the operation of the fader;
Operation pressure detection means for detecting pressure applied from the fader during operation;
When the fader level of the fader is the maximum level, and the magnitude of the operation pressure of the fader is larger than a preset value, the input channel corresponding to the fader with respect to the audio processing means Control means for giving a gain increase command to increase the gain of
A volume control device comprising: The control means includes
A gain increase command for continuously increasing the gain of the input channel corresponding to the fader is provided in accordance with the magnitude of the pressure detected by the operation pressure detection means. The volume control apparatus according to claim 2. The control means includes
When the fader level of the fader becomes the minimum level or when a release instruction is input from the input means connected to the control means, the audio processing means is notified of the input channel corresponding to the fader. 4. The volume adjusting device according to claim 2, wherein the volume adjusting device is configured to cancel the gain increase setting. The sound processing means includes digital sound processing means for inputting a digital sound signal and adjusting the level of the digital sound signal,
The control means is configured to give a gain increase command for increasing the gain of the digital audio signal of the input channel corresponding to the fader to the digital audio processing means. The volume control apparatus of any one of Claim 1 thru | or 4. The sound processing means includes analog sound processing means for inputting an analog sound signal and adjusting the level of the analog sound signal,
The control means is configured to give a gain increase command for increasing the gain of the analog audio signal of the input channel corresponding to the fader to the analog audio processing means. The volume control device according to any one of claims 1 to 5. Level display means for displaying the fader level is provided in the vicinity of the fader,
When the gain is increased by giving the gain increase command to the sound processing means, the control means gives the level display means at least one of the increased gain and the fader level increased accordingly. The volume control device according to any one of claims 1 to 6, wherein the volume control device is configured to give a display command for displaying information to be displayed. Faders individually corresponding to multiple input channels, audio processing means for inputting the audio signals of each input channel and adjusting the output level, and audio signals of the input channels corresponding to the fader according to the operation of the fader In the volume adjustment method for adjusting the output level of the audio signal of each input channel using the mixer operation means for giving the audio processing means a level adjustment command for adjusting the output level of
By the mixer operating means,
A level detection step of detecting a fader level corresponding to the operation of the fader;
An operation pressure detecting step for detecting a pressure applied from the fader during operation;
When the fader level of the fader is the maximum level, and the magnitude of the operation pressure of the fader is larger than a preset value, the input channel corresponding to the fader with respect to the audio processing means A control step for giving a gain increase command for increasing the gain of
A volume adjustment method comprising:

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