CN116470870A - Method, device and system for adjusting multichannel gain - Google Patents
Method, device and system for adjusting multichannel gain Download PDFInfo
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- CN116470870A CN116470870A CN202310420263.7A CN202310420263A CN116470870A CN 116470870 A CN116470870 A CN 116470870A CN 202310420263 A CN202310420263 A CN 202310420263A CN 116470870 A CN116470870 A CN 116470870A
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method, a device and a system for adjusting multichannel gain, which are applied to a gain adjusting device, gain adjusting information is obtained by receiving and analyzing a gain adjusting trigger signal, corresponding gain control information is generated according to the gain adjusting information, the gain control information is sent to the gain controlling device, the gain controlling device determines a channel to be adjusted according to the channel information, and gain values of a plurality of channels are respectively adjusted according to adjustment gain values. The invention determines the channel needing gain adjustment and the corresponding adjustment gain value through the gain control information, combines a plurality of channels needing gain adjustment through the channel information in the gain control information, and adjusts the channel gain value of the combined set through the adjustment gain value, thereby realizing simultaneous adjustment of the multi-channel gain, namely the combined set adjustment of the multi-channel gain.
Description
Technical Field
The present invention relates to the field of audio gain control, and in particular, to a method, apparatus, and system for adjusting multi-channel gain.
Background
In the prior art, the gain adjustment of the input and output channels of the audio processor is currently performed in a single channel, if the gain adjustment of the input and output channels is required to be performed in a multi-channel manner, the gain adjustment of each channel is required to be performed in sequence, and if the gain of the input and output channels is required to be adjusted to be the same gain value, the gain adjustment of the single channel is performed in sequence, so that a large amount of computing resources are consumed.
How to adjust the gain of the input and output multi-channels of the audio processor at the same time, so as to effectively save the computing resources of the equipment, becomes a big problem to be solved.
Disclosure of Invention
The invention provides a method, a device and a system for adjusting multichannel gains, which are used for realizing the technical effect of simultaneously adjusting the multichannel gains of an audio processor.
In order to solve the above technical problems, an embodiment of the present invention provides a method for adjusting a multi-channel gain, which is applied to a gain adjusting device, and includes the following steps:
receiving and analyzing a gain adjustment trigger signal to obtain gain adjustment information, and generating corresponding gain control information according to the gain adjustment information; the gain control information comprises channel information corresponding to a plurality of channels which need to be subjected to gain adjustment, wherein the gain control information comprises an adjustment gain value;
and sending the gain control information to the gain control device, so that the gain control device determines a channel to be adjusted according to the channel information, and respectively adjusts gain values of a plurality of channels according to the adjustment gain values.
The adjusting method provided by the invention obtains corresponding gain adjusting information by analyzing the received gain adjusting trigger signal, and generates gain control information according to the gain adjusting information, wherein the gain control information comprises channel information needing gain adjustment and gain values needing adjustment, namely adjusting gain values, and provides parameter basis for gain adjusting control of a subsequent gain control device.
Meanwhile, after receiving the gain control information sent by the gain adjusting device, the gain control device can connect channels needing gain adjustment through the channel information set, and adjust the channel gain values of the set through adjusting the gain values, so that the simultaneous adjustment of the multi-channel gains is realized, namely the multi-channel gain is adjusted through the set connection.
As a preferred example, the receiving and analyzing the gain adjustment trigger signal obtains gain adjustment information, and generates corresponding gain control information according to the gain adjustment information, specifically:
analyzing the gain adjustment signal to obtain the gain adjustment information, and determining the adjustment gain value and the channel information of a plurality of channels needing gain adjustment according to the gain adjustment information;
and determining the number of the union times according to the channel information, and generating the gain control information according to the channel information, the adjustment gain value and the combination of the number of the union times.
In order to realize multi-channel union according to the received information, the invention also provides a method for generating gain control information, which obtains gain adjustment information by analyzing the gain adjustment signal, and generates the gain control signal according to the gain adjustment information and sends the gain control signal to the gain control device. And meanwhile, the number of the union times is determined according to the channel information in the gain adjustment signal, and a data basis is provided for the union of the channels to be adjusted subsequently.
As a preferred example, the gain control device determines a channel to be adjusted according to the channel information, and adjusts gain values of a plurality of channels according to the adjusted gain values, specifically:
the gain control device performs information cutting on the channel information to obtain first channel information corresponding to a first channel to be adjusted, adjusts the gain value of the first channel according to the adjustment gain value, and judges whether to end the current gain control operation according to the number of the union times;
if the current gain control operation is judged to be required to be ended, ending the current gain control operation;
and if the current gain control operation does not need to be ended, carrying out the next judgment according to the number of the set connection until the current gain control operation is ended.
Judging the number of times of the set connection, determining whether the current gain control operation is required to be ended, simultaneously cutting channel information to obtain information of a corresponding channel, adjusting the gain value of the corresponding channel according to the adjustment gain value, further realizing synchronous adjustment of the gains of multiple channels, realizing the synchronous adjustment of the gains of the multiple channels, and simultaneously improving the efficiency and the speed of executing the corresponding adjustment operation aiming at the synchronous adjustment of the gains of the multiple channels.
As a preferred example, the determining whether the current gain control operation needs to be ended according to the number of the union times is specifically:
calculating the times of cutting the channel information, and judging whether the number of the union times is larger than the cutting times or not;
if the number of the union times is larger than the cutting number, carrying out information cutting on the channel information;
and if the number of the union times is equal to the cutting times, determining to end the gain adjustment operation.
Whether the current gain adjustment operation is finished or not is determined by the judging method, the multi-channel set joint adjustment is also realized, meanwhile, the judging method is concise and clear, and the operation efficiency of the adjusting device is further improved.
Correspondingly, the invention also provides a gain adjusting device, which comprises a control information generating module and a gain adjusting module;
the control information generation module is used for receiving and analyzing the gain adjustment trigger signal to obtain gain adjustment information, and generating corresponding gain control information according to the gain adjustment information; the gain control information comprises channel information corresponding to a plurality of channels which need to be subjected to gain adjustment, wherein the gain control information comprises an adjustment gain value;
the gain adjusting module is used for sending the gain control information to the gain control device, so that the gain control device determines a channel to be adjusted according to the channel information, and adjusts gain values of a plurality of channels respectively according to the adjustment gain values.
As a preferred example, the control information generating module is configured to receive and parse the gain adjustment trigger signal to obtain gain adjustment information, and generate corresponding gain control information according to the gain adjustment information, specifically:
analyzing the gain adjustment signal to obtain the gain adjustment information, and determining the channel information of a plurality of channels needing gain adjustment and the adjustment gain value according to the gain adjustment information;
and determining the number of the union times according to the channel information, and generating the gain control information according to the channel information, the adjustment gain value and the combination of the number of the union times.
As a preferred example, the gain adjustment module is configured to enable the gain control device to determine a channel to be adjusted according to the channel information, and adjust gain values of a plurality of channels according to the adjustment gain values, specifically:
the gain control device performs information cutting on the channel information to obtain first channel information corresponding to a first channel to be adjusted, adjusts the gain value of the first channel according to the adjustment gain value, and judges whether to end the current gain control operation according to the number of the union times;
if the current gain control operation is judged to be required to be ended, ending the current gain control operation;
and if the current gain control operation does not need to be ended, carrying out the next judgment according to the number of the set connection until the current gain control operation is ended.
As a preferred example, the gain adjustment module is configured to determine whether the current gain control operation needs to be ended according to the number of union times, specifically:
calculating the times of cutting the channel information, and judging whether the number of the union times is larger than the cutting times or not;
if the number of the union times is larger than the cutting number, carrying out information cutting on the channel information;
and if the number of the union times is equal to the cutting times, determining to end the gain adjustment operation.
Correspondingly, the invention also provides a regulating system for the audio multichannel gain, which comprises a gain regulating device and a gain control device; wherein the gain adjustment device is connected with the gain control device;
wherein the gain adjustment device performs a method for adjusting a multi-channel gain according to any one of the above;
the gain control device is used for determining the channels to be adjusted according to the channel information and adjusting the gain values of the corresponding multiple channels according to the adjustment gain values.
Correspondingly, the invention further provides a storage medium, wherein the storage medium is stored with a computer program, and when the computer program is called and executed by a processor, the method for adjusting the multichannel gain is realized.
Drawings
Fig. 1: a flow diagram of an embodiment of a method for adjusting multi-channel gain according to the present invention;
fig. 2: a schematic flow chart of an embodiment of step 101 provided in the present invention;
fig. 3: a schematic flow chart diagram of an embodiment of step 102 provided for the present invention;
fig. 4: a schematic flow chart of an embodiment of step 301 provided for the present invention;
fig. 5: a flow chart of another embodiment of the method for adjusting multi-channel gain provided by the invention is shown in the figure;
fig. 6: a schematic structural diagram of an embodiment of the gain adjustment device provided by the invention;
fig. 7: a schematic structural diagram of an embodiment of an audio multi-channel gain adjustment system is provided.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, a flow chart of an embodiment of a method for adjusting multi-channel gain according to an embodiment of the present invention includes steps 101 to 102, where each step is specifically as follows:
step 101: and receiving and analyzing the gain adjustment trigger signal to obtain gain adjustment information, and generating corresponding gain control information according to the gain adjustment information.
In this embodiment, the gain control information is obtained by the above method, so that the subsequent gain control device can determine, according to the gain control information, a channel that needs to be gain-adjusted and a gain value that is obtained by adjusting the determined channel, that is, the gain control information is a parameter base of the gain control device.
Step 102: and sending the gain control information to the gain control device, so that the gain control device determines a channel to be adjusted according to the channel information, and respectively adjusts gain values of a plurality of channels according to the adjustment gain values.
The gain control device can determine a plurality of channels needing to be regulated with gain values through channel information in the gain control information after receiving the gain control information sent by the gain regulation device, and simultaneously determine the regulated gain values of the channels needing to be regulated with the gain values according to the regulated gain values, so that the gain values of the channels are regulated simultaneously.
In summary, the adjusting method provided in this embodiment obtains corresponding gain adjustment information by analyzing the received gain adjustment trigger signal, and generates gain control information according to the gain adjustment information, where the gain control information includes channel information to be gain adjusted and a gain value to be adjusted, that is, an adjustment gain value, so as to provide a parameter basis for performing gain adjustment control for a subsequent gain control device.
Meanwhile, after receiving the gain control information sent by the gain adjusting device, the gain control device can connect channels needing gain adjustment through the channel information set, and adjust the channel gain values of the set through adjusting the gain values, so that the simultaneous adjustment of the multi-channel gains is realized, namely the multi-channel gain is adjusted through the set connection.
As another example of the present embodiment, referring to fig. 2, fig. 2 is a schematic flow chart of an embodiment of step 101 provided in the present embodiment of the present invention, including step 201 and step 202, where each step is specifically as follows:
step 201: analyzing the gain adjusting signal to obtain the gain adjusting information, and determining the adjusting gain value and the channel information of a plurality of channels needing gain adjustment according to the gain adjusting information.
In this embodiment, the adjustment gain value and the channel information of the multiple channels to be adjusted obtained by the method provide a data basis for subsequent determination of gain control information, and also provide a parameter basis for subsequent determination of the number of aggregation.
Step 202: and determining the number of the union times according to the channel information, and generating the gain control information according to the channel information, the adjustment gain value and the combination of the number of the union times.
In order to determine whether to end the cycle process of the gain control operation later, the embodiment provides a method for determining the number of the set connection times according to the channel information, and determines the corresponding set connection times by determining the number of channels contained in the channel information, so that the channels which need to be adjusted in gain value adjustment of the channels can be ensured to be completely contained, and meanwhile, the subsequent operation is ended after all the channels which need to be adjusted are adjusted, thereby avoiding the waste of computing resources.
In summary, by judging the number of the union times, determining whether the current gain control operation needs to be finished, simultaneously cutting channel information to obtain information of a corresponding channel, and adjusting the gain value of the corresponding channel according to the adjustment gain value, the synchronous adjustment of the multi-channel gain is realized, the realization method is simple and clear, and meanwhile, the efficiency and the speed for executing the corresponding adjustment operation are also improved for the synchronous adjustment of the multi-channel gain.
As yet another example of the present embodiment, referring to fig. 3, fig. 3 is a schematic flow chart of one embodiment of the step 102 provided by the present invention, including steps 301 to 302, where the step 302 includes steps 302A and 302B, and each step specifically includes the following steps:
step 301: the gain control device performs information cutting on the channel information to obtain first channel information corresponding to a first channel to be adjusted, adjusts the gain value of the first channel according to the adjustment gain value, and judges whether to end the current gain control operation according to the number of the union times.
In this embodiment, the channel information is a channel number that needs to be gain-adjusted, the channel information is cut to obtain a channel number corresponding to each channel that needs to be gain-adjusted, and a corresponding channel is determined according to the channel number. If the first channel information obtained by cutting is the channel serial number of the first channel, determining the first channel, and adjusting the gain value of the first channel according to the adjusting gain value, so that the specific value of the gain value of the first channel is adjusted to be the same value as the adjusting gain value. After the gain value of the first channel is adjusted, the gain control device judges the number of the union times and determines whether the current gain control cycle needs to be ended according to the judging result.
Step 302A: and if the current gain control operation is judged to be required to be ended, ending the current gain control operation.
Step 302B: and if the current gain control operation does not need to be ended, carrying out the next judgment according to the number of the set connection until the current gain control operation is ended.
Determining whether the next cycle is needed or not through the judgment, namely, performing the next gain control operation, and returning to the step of cutting the channel information if the next gain control operation is needed; if the current gain control operation can be ended, the gain control device ends the operation and waits for receiving the gain control information sent by the gain adjustment device.
In summary, by judging the number of the union times, determining whether the current gain control operation needs to be finished, simultaneously cutting the channel information to obtain the information of the corresponding channel, and adjusting the gain value of the corresponding channel according to the adjustment gain value, the synchronous adjustment of the multi-channel gain is further realized, the realization method is simple and clear, and meanwhile, the efficiency and the speed for executing the corresponding adjustment operation are also improved for the synchronous adjustment of the multi-channel gain.
As yet another example of the present embodiment, referring to fig. 4, fig. 4 is a schematic flow chart of an embodiment of step 301 provided in the present invention, including steps 401 to 402, where each step is specifically as follows:
step 401: and calculating the times of cutting the channel information, and judging whether the number of the union times is larger than the cutting times.
And determining the number of channels with the gain value adjusted by calculating the cutting times, comparing the number of channels with the set connection times, and determining whether to end the current gain control operation according to the comparison result.
Step 402A: and if the number of the union times is equal to the cutting times, determining to end the gain adjustment operation.
Step 402B: and if the number of the union times is larger than the cutting number, cutting the channel information.
Whether the current gain adjustment operation is finished or not is determined by the judging method, the multi-channel set joint adjustment is also realized, meanwhile, the judging method is concise and clear, and the operation efficiency of the adjusting device is further improved.
Example two
Referring to fig. 5, fig. 5 is a flowchart of another embodiment of a method for adjusting multi-channel gain according to the present invention, including steps 501 to 503, where each step is specifically as follows:
step 501: and receiving and analyzing the gain adjustment trigger signal to obtain gain adjustment information, and generating corresponding gain control information according to the gain adjustment information.
In this embodiment, the gain adjustment information obtained by analyzing the gain trigger signal includes channel information corresponding to a channel currently controlled, an adjustment gain value, and channel information corresponding to a channel to be adjusted with the gain value, and the generated channel number corresponding to the channel currently controlled, the adjustment gain value, the channel number corresponding to the channel to be adjusted with the gain value, and the aggregation number determined by the channel information to be adjusted with the gain value.
In this embodiment, the channel information corresponding to the currently controlled channel is preferably the currently controlled output channel name channel, the adjustment gain value is preferably the control gain value gain, the channel information corresponding to the channel to be adjusted gain value is preferably the string type data structure struct of the gain set, and the number of sets determined according to the channel information is preferably the number num of gain sets. The generated gain control information channel, gain, struct and num are handle information, the handle information is preset by a gain adjusting device, the data following the handle information is gain adjusting information obtained by analyzing the gain trigger signal by the gain adjusting device, and the handle information and the gain adjusting information are combined to generate the gain control information.
The gain adjusting device is not further limited, but the gain adjusting device in this embodiment is preferably control software corresponding to the audio processor.
Step 502: and sending the gain control information to a gain control device, so that the gain control device determines a channel to be adjusted according to the channel information.
In this embodiment, after the gain control device receives the gain control information sent by the gain adjustment device, the corresponding number of times of processing is performed on the channel serial numbers corresponding to the channels to be adjusted with gain values according to the number of times of aggregation in the gain control information, where the corresponding channel serial numbers are processed, i.e. cut, and the count of cutting times is incremented by one for each cut.
In this embodiment, the processing of cutting the channel sequence number corresponding to the channel to be adjusted with the gain value is to obtain the corresponding channel sequence number by cutting the data after the data structure struct of the gain set string type.
The present invention is not further limited to the gain control device, but the gain control device of the present embodiment is preferably an audio processor MCU.
Step 503: the gain control device controls the channel to be adjusted through the signal processing device, and adjusts the gain value of the channel to be adjusted according to the adjustment gain value.
After determining the channel serial number corresponding to the channel needing to be adjusted with the gain value through step 502, the gain control device can control the corresponding channel through the signal processing device according to the channel serial number, adjust the gain value of the controlled channel according to the adjustment gain value, compare and determine whether the current gain control operation needs to be ended according to the numerical value of the number of the set connection and the number of the cutting times after the adjustment is ended, and if the number of the set connection is equal to the number of the cutting times, end the current gain control operation; if the number of the aggregation is larger than the cutting number, returning to the step of determining the channel serial number corresponding to the channel to be adjusted through the channel cutting information according to the gain control information, and performing the cutting step.
The present invention is not limited to the signal processing device, but the signal processing device of the present embodiment is preferably a digital signal processor, i.e. a DSP chip.
For better illustrating the working principle and the step flow of the method, the device and the system for adjusting the multi-channel gain according to the present invention, reference may be made to the above related description, but not limited thereto.
Accordingly, referring to fig. 6, fig. 6 is a schematic structural diagram of an embodiment of a gain adjustment device provided by the present invention, where the gain adjustment device includes a control information generating module 601 and a gain adjustment module 602;
the control information generating module 601 is configured to receive and parse the gain adjustment trigger signal to obtain gain adjustment information, and generate corresponding gain control information according to the gain adjustment information; the gain control information comprises channel information corresponding to each of a plurality of channels for adjusting gain.
The control information generating module 601 is configured to receive and parse the gain adjustment trigger signal to obtain gain adjustment information, and generate corresponding gain control information according to the gain adjustment information, specifically:
analyzing the gain adjustment signal to obtain the gain adjustment information, and determining the channel information of a plurality of channels needing gain adjustment and the adjustment gain value according to the gain adjustment information; and determining the number of the union times according to the channel information, and generating the gain control information according to the channel information, the adjustment gain value and the combination of the number of the union times.
The gain adjustment module 602 is configured to send the gain control information to the gain control device, so that the gain control device determines a channel to be adjusted according to the channel information, and adjusts gain values of a plurality of channels according to the adjustment gain values.
The gain adjustment module 602 is configured to enable the gain control device to determine a channel to be adjusted according to the channel information, and adjust gain values of a plurality of channels according to the adjustment gain values, specifically:
the gain control device performs information cutting on the channel information to obtain first channel information corresponding to a first channel to be adjusted, adjusts the gain value of the first channel according to the adjustment gain value, and judges whether to end the current gain control operation according to the number of the union times; if the current gain control operation is judged to be required to be ended, ending the current gain control operation; and if the current gain control operation does not need to be ended, carrying out the next judgment according to the number of the set connection until the current gain control operation is ended.
The gain adjustment module 602 is configured to determine whether to end the current gain control operation according to the number of union times, specifically:
calculating the times of cutting the channel information, and judging whether the number of the union times is larger than the cutting times or not; if the number of the union times is larger than the cutting number, carrying out information cutting on the channel information; and if the number of the union times is equal to the cutting times, determining to end the gain adjustment operation.
Accordingly, referring to fig. 7, fig. 7 is a schematic structural diagram of an embodiment of a system for adjusting audio multi-channel gain according to the present invention, where the system includes a gain adjusting device 701 and a gain control device 702; wherein said gain adjustment means 701 and said gain control means 702 are connected;
wherein the gain adjustment device 701 performs a method for adjusting multi-channel gain according to any of the above;
the gain control device is used for determining the channels to be adjusted according to the channel information and adjusting the gain values of the corresponding multiple channels according to the adjustment gain values.
Correspondingly, the invention further provides a storage medium, wherein the storage medium is stored with a computer program, and when the computer program is called and executed by a processor, the method for adjusting the multichannel gain is realized.
In summary, the present invention provides a method, an apparatus, and a system for adjusting multi-channel gain, which are applied to a gain adjusting device, and are configured to obtain gain adjusting information by receiving and analyzing a gain adjusting trigger signal, generate corresponding gain control information according to the gain adjusting information, and send the gain control information to the gain controlling device, so that the gain controlling device determines a channel to be adjusted according to the channel information, and respectively adjusts gain values of a plurality of channels according to the adjustment gain values. The invention determines the channel needing gain adjustment and the corresponding adjustment gain value through the gain control information, combines a plurality of channels needing gain adjustment through the channel information in the gain control information, and adjusts the channel gain value of the combined set through the adjustment gain value, thereby realizing simultaneous adjustment of the multi-channel gain, namely the combined set adjustment of the multi-channel gain.
The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present invention, and are not to be construed as limiting the scope of the invention. It should be noted that any modifications, equivalent substitutions, improvements, etc. made by those skilled in the art without departing from the spirit and principles of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A method for adjusting gain of multiple channels, which is applied to a gain adjusting device, comprising the following steps:
receiving and analyzing a gain adjustment trigger signal to obtain gain adjustment information, and generating corresponding gain control information according to the gain adjustment information; the gain control information comprises channel information corresponding to a plurality of channels which need to be subjected to gain adjustment, wherein the gain control information comprises an adjustment gain value;
and sending the gain control information to the gain control device, so that the gain control device determines a channel to be adjusted according to the channel information, and respectively adjusts gain values of a plurality of channels according to the adjustment gain values.
2. The method for adjusting multi-channel gain according to claim 1, wherein the receiving and analyzing the gain adjustment trigger signal obtain gain adjustment information, and generating corresponding gain control information according to the gain adjustment information, specifically comprises:
analyzing the gain adjustment signal to obtain the gain adjustment information, and determining the adjustment gain value and the channel information of a plurality of channels needing gain adjustment according to the gain adjustment information;
and determining the number of the union times according to the channel information, and generating the gain control information according to the channel information, the adjustment gain value and the combination of the number of the union times.
3. The method for adjusting gain of multiple channels according to claim 1, wherein the gain control device determines the channels to be adjusted according to the channel information, and adjusts the gain values of the corresponding multiple channels according to the adjusted gain values, specifically:
the gain control device performs information cutting on the channel information to obtain first channel information corresponding to a first channel to be adjusted, adjusts the gain value of the first channel according to the adjustment gain value, and judges whether to end the current gain control operation according to the number of the union times;
if the current gain control operation is judged to be required to be ended, ending the current gain control operation;
and if the current gain control operation does not need to be ended, carrying out the next judgment according to the number of the set connection until the current gain control operation is ended.
4. The method for adjusting multi-channel gain according to claim 3, wherein the determining whether the current gain control operation needs to be ended according to the number of union times is specifically:
calculating the times of cutting the channel information, and judging whether the number of the union times is larger than the cutting times or not;
if the number of the union times is larger than the cutting number, carrying out information cutting on the channel information;
and if the number of the union times is equal to the cutting times, determining to end the gain adjustment operation.
5. A gain adjustment device, characterized in that the gain adjustment device comprises a control information generation module and a gain adjustment module;
the control information generation module is used for receiving and analyzing the gain adjustment trigger signal to obtain gain adjustment information, and generating corresponding gain control information according to the gain adjustment information; the gain control information comprises channel information corresponding to a plurality of channels which need to be subjected to gain adjustment, wherein the gain control information comprises an adjustment gain value;
the gain adjusting module is used for sending the gain control information to the gain control device, so that the gain control device determines a channel to be adjusted according to the channel information, and adjusts gain values of a plurality of channels respectively according to the adjustment gain values.
6. The gain adjustment device of claim 5, wherein the control information generating module is configured to receive and parse a gain adjustment trigger signal to obtain gain adjustment information, and generate corresponding gain control information according to the gain adjustment information, specifically:
analyzing the gain adjustment signal to obtain the gain adjustment information, and determining the channel information of a plurality of channels needing gain adjustment and the adjustment gain value according to the gain adjustment information;
and determining the number of the union times according to the channel information, and generating the gain control information according to the channel information, the adjustment gain value and the combination of the number of the union times.
7. The gain adjustment device according to claim 5, wherein the gain adjustment module is configured to enable the gain control device to determine a channel to be adjusted according to the channel information, and adjust gain values of a plurality of channels according to the adjusted gain values, respectively, specifically:
the gain control device performs information cutting on the channel information to obtain first channel information corresponding to a first channel to be adjusted, adjusts the gain value of the first channel according to the adjustment gain value, and judges whether to end the current gain control operation according to the number of the union times;
if the current gain control operation is judged to be required to be ended, ending the current gain control operation;
and if the current gain control operation does not need to be ended, carrying out the next judgment according to the number of the set connection until the current gain control operation is ended.
8. The gain adjustment device of claim 7, wherein the gain adjustment module is configured to determine whether the current gain control operation needs to be ended according to the number of union times, specifically:
calculating the times of cutting the channel information, and judging whether the number of the union times is larger than the cutting times or not;
if the number of the union times is larger than the cutting number, carrying out information cutting on the channel information;
and if the number of the union times is equal to the cutting times, determining to end the gain adjustment operation.
9. An adjusting system for audio multichannel gain, characterized in that the adjusting system comprises gain adjusting means and gain control means; wherein the gain adjustment device is connected with the gain control device;
wherein the gain adjustment device performs a method for adjusting a multi-channel gain according to any one of claims 1-4;
the gain control device is used for determining the channels to be adjusted according to the channel information and adjusting the gain values of the corresponding multiple channels according to the adjustment gain values.
10. A storage medium having stored thereon a computer program which, when invoked and executed by a processor, implements a method for adjusting a multi-channel gain according to any of the preceding claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310420263.7A CN116470870A (en) | 2023-04-19 | 2023-04-19 | Method, device and system for adjusting multichannel gain |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310420263.7A CN116470870A (en) | 2023-04-19 | 2023-04-19 | Method, device and system for adjusting multichannel gain |
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| CN116470870A true CN116470870A (en) | 2023-07-21 |
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