CN116504267A - Quick deployment device and method for audio signal channels - Google Patents
Quick deployment device and method for audio signal channels Download PDFInfo
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Abstract
The invention provides a rapid deployment device and a rapid deployment method for an audio signal channel; the device comprises: the system comprises a first MCU control unit, a second MCU control unit and a DSP control unit; the first MCU control unit is used for acquiring a first channel identifier, an audio control function identifier and a second channel identifier after responding to the channel copying and pasting operation of a user; then the second MCU control unit obtains first control data corresponding to an audio signal channel to be copied from a preset database according to the first channel identifier and the audio control function identifier; finally, the DSP control unit replaces the second control data of the audio signal channel to be pasted with the first control data; by implementing the invention, after the channel copying operation and the channel pasting operation of the user are responded, each type of audio control module in the audio signal channel to be copied can be automatically and rapidly deployed into the audio signal channel to be pasted, so that the deployment efficiency of the audio signal channel is improved.
Description
Technical Field
The invention relates to the field of audio control, in particular to a rapid deployment device and method for an audio signal channel.
Background
In a general audio processor, the audio processor comprises a plurality of signal input channels and signal output channels, wherein each signal input channel and each signal output channel are provided with a plurality of audio control functions, such as audio control functions of input digital gain control, input mute control, 48V switch control and the like, and audio control functions of output digital gain control, output mute control, delay function control and the like; when each signal input channel or each signal output channel in the audio processor needs to be deployed, because of various audio control functions contained in each channel, each audio control function in the signal input channel or the signal output channel needs to be deployed one by one, so that the deployment efficiency is low.
Disclosure of Invention
The invention provides a rapid deployment device and a rapid deployment method for an audio signal channel, which can automatically and rapidly deploy various types of audio control modules in the audio signal channel to be copied into the audio signal channel to be pasted, thereby improving the deployment efficiency of the audio signal channel.
The invention provides a rapid deployment device and a rapid deployment method for an audio signal channel, wherein the device comprises a first MCU (micro control unit), a second MCU and a DSP (digital signal processor) control unit;
the first MCU control unit is used for responding to the channel copying operation of a user and acquiring a first channel identifier of an audio signal channel to be copied and an audio control function identifier contained in the audio signal channel to be copied; responding to the channel pasting operation of the user, and acquiring a second channel identifier of the audio signal channel to be pasted;
the second MCU control unit is used for extracting first control data corresponding to the audio control function when the audio signal channel is to be copied from a preset database according to the first channel identifier and the audio control function identifier;
and the DSP control unit is used for replacing second control data of the audio control function in the database when the audio signal channel is to be pasted with the first control data according to the second channel identifier and the audio control function identifier.
Further, the first MCU control unit is further configured to: and generating a message body according to the first channel identifier, the audio control function identifier contained in the audio signal channel to be copied and the second channel identifier, and transmitting the message body to the second MCU control unit.
Further, the second MCU control unit is further configured to: acquiring the message body, and establishing a data buffer area after acquiring the message body;
the second MCU control unit is used for extracting first control data corresponding to the audio control function when the audio signal channel is to be copied from a preset database according to the first channel identifier and the audio control function identifier, and comprises the following components:
analyzing parameters of a first channel identifier, an audio control function ID of an audio control function identifier and parameters of a second channel identifier from the message body, and storing the parameters of the audio control function ID and the second channel identifier into a data buffer area;
and extracting first control data corresponding to the audio control function when the audio signal channel is to be copied from a preset database according to the parameter of the first channel identifier and the audio control function ID, and storing the first control data into a buffer area.
Further, the second MCU control unit is further configured to: analyzing the data in the data buffer area to generate serial port data with a DSP communication format; wherein, the serial port data includes: frame header parameters of the data frame, an audio control function ID, parameters of a second channel identifier, first control data and CRC check parameters;
and transmitting the serial port data with the DSP communication format to a DSP control unit.
Further, the DSP control unit is configured to replace, in the database, second control data of an audio control function when an audio signal channel is to be pasted with the first control data according to the second channel identifier and the audio control function identifier, where the DSP control unit includes:
acquiring parameters of a second channel identifier and an audio control function ID from the serial port data;
and determining second control data of the audio control function in the database when the audio signal channel is to be pasted according to the parameter of the second channel identifier and the audio control function ID, and replacing the second control data with first control data in the serial data.
Further, the DSP control unit is further configured to determine, before replacing, in the database, second control data of the audio control function when the audio signal channel is to be pasted with the first control data according to the second channel identifier and the audio control function identifier, whether a frame header parameter and a CRC check parameter of a data frame in the serial port data are correct; if yes, continuing to execute the subsequent steps; if not, the subsequent steps are not executed.
Further, the audio signal channel to be copied includes: an audio signal input channel to be copied or an audio signal output channel to be copied;
the audio signal channel to be pasted comprises: an audio signal input channel to be pasted or an audio signal output channel to be pasted.
Further, the audio control function corresponding to the audio signal input channel to be copied includes: an input digital gain control function, an input mute control function, a switch control function, an inverse signal control function, a noise gate control function, an input equalizer control function, an input analog gain control function, and an input signal generator control function;
the audio control function corresponding to the audio signal output channel to be duplicated comprises: an output digital gain control function, an output mute control function, a delay function control function, a divider function control function, an output equalizer control function, a limiter control function, an inverse signal control function, and a compressor control function.
On the basis of the device item embodiment, the invention correspondingly provides a method item embodiment.
The invention provides a rapid deployment method of an audio signal channel, which comprises the following steps: responding to the channel copying operation of a user, and acquiring a first channel identifier of an audio signal channel to be copied and an audio control function identifier contained in the audio signal channel to be copied; responding to the channel pasting operation of the user, and acquiring a second channel identifier of the audio signal channel to be pasted;
extracting first control data corresponding to the audio control function when an audio signal channel is to be copied from a preset database according to the first channel identifier and the audio control function identifier;
and replacing second control data of the audio control function when the audio signal channel is to be pasted with the first control data in the database according to the second channel identifier and the audio control function identifier.
The embodiment of the invention has the following beneficial effects:
the invention provides a rapid deployment device and a rapid deployment method for an audio signal channel; the device comprises: the system comprises a first MCU control unit, a second MCU control unit and a DSP control unit; the first MCU control unit is used for responding to the channel copying operation of a user and acquiring a first channel identifier of an audio signal channel to be copied and an included audio control function identifier; responding to the channel pasting operation of the user, and acquiring a second channel identifier of the audio signal channel to be pasted; the second MCU control unit is used for extracting first control data corresponding to the audio control function when the audio signal channel is to be copied from a preset database according to the first channel identifier and the audio control function identifier; the DSP control unit is used for replacing second control data of the audio control function in the database when the audio signal channel is to be pasted with the first control data according to the second channel identifier and the audio control function identifier; by implementing the invention, after the channel copying operation and the channel pasting operation of the user are responded, each type of audio control module in the audio signal channel to be copied can be automatically and rapidly deployed into the audio signal channel to be pasted, so that the deployment efficiency of the audio signal channel is improved.
Drawings
Fig. 1 is a schematic structural diagram of a rapid deployment device of an audio signal channel according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an audio signal channel to be reproduced according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an audio signal channel to be pasted according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a message body structure according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a default database according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a control data store according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a control data replacement flow of several audio control functions according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. 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.
As shown in fig. 1, an embodiment provides a rapid deployment apparatus for an audio signal channel, including: the system comprises a first MCU control unit, a second MCU control unit and a DSP control unit;
the first MCU control unit is used for responding to the channel copying operation of a user and acquiring a first channel identifier of an audio signal channel to be copied and an audio control function identifier contained in the audio signal channel to be copied; responding to the channel pasting operation of the user, and acquiring a second channel identifier of the audio signal channel to be pasted;
the second MCU control unit is used for extracting first control data corresponding to the audio control function when the audio signal channel is to be copied from a preset database according to the first channel identifier and the audio control function identifier;
and the DSP control unit is used for replacing second control data of the audio control function in the database when the audio signal channel is to be pasted with the first control data according to the second channel identifier and the audio control function identifier.
Specifically, as shown in fig. 2 and fig. 3, after a user selects an audio signal channel to be copied, clicking a copy button, and the first MCU will respond to a channel copying operation of the user to obtain a first channel identifier of the audio signal channel to be copied and an audio control function identifier included in the channel; after the user clicks the paste button on the corresponding audio signal channel to be pasted, the first MCU control unit responds to the channel pasting operation of the user and obtains the second channel identifier of the audio signal channel to be pasted.
After the second MCU control unit acquires the first channel identifier and the audio control function identifier, the second MCU control unit first finds the storage position corresponding to the audio control function in the database according to the audio control function identifier, then finds the storage position corresponding to the first channel identifier under the storage position of the audio control function according to the first channel identifier, and acquires first control data in the storage position.
Similarly, the DSP control unit finds a storage position corresponding to the audio control function in the database according to the audio control function identifier, then finds a storage position corresponding to the first channel identifier in the storage position of the audio control function according to the second channel identifier, and replaces the second control data therein with the first control data.
In a preferred embodiment, the first MCU control unit is further configured to: and generating a message body according to the first channel identifier, the audio control function identifier contained in the audio signal channel to be copied and the second channel identifier, and transmitting the message body to the second MCU control unit.
Specifically, as shown in fig. 4, the first MCU control unit integrates the first channel identifier, the audio control function identifier included in the audio signal channel to be copied, and the second channel identifier into a message body, and then transmits the message body to the second MCU control unit.
In a preferred embodiment, the second MCU control unit is further configured to: acquiring the message body, and establishing a data buffer area after acquiring the message body;
the second MCU control unit is used for extracting first control data corresponding to the audio control function when the audio signal channel is to be copied from a preset database according to the first channel identifier and the audio control function identifier, and comprises the following components:
analyzing parameters of a first channel identifier, an audio control function ID of an audio control function identifier and parameters of a second channel identifier from the message body, and storing the parameters of the audio control function ID and the second channel identifier into a data buffer area;
and extracting first control data corresponding to the audio control function when the audio signal channel is to be copied from a preset database according to the parameter of the first channel identifier and the audio control function ID, and storing the first control data into a buffer area.
Specifically, a data buffer area is created after the second MCU control unit acquires the message body; then, analyzing the acquired information body, analyzing the parameters of the first channel identifier, the audio control function ID of the audio control function identifier and the parameters of the second channel identifier, and storing the parameters of the audio control function ID and the second channel identifier into a data buffer area; then according to the audio control function ID, a storage position corresponding to the audio control function is found from a preset database, then according to the parameter of the first channel identifier, a storage position corresponding to the first channel identifier is found under the storage position of the audio control function, first control data in the storage position are obtained, and then the obtained first control data are stored in the data buffer area.
Illustratively, as shown in fig. 5 and 6, taking an example of an audio signal input channel to be duplicated, there are several audio control functions (A, B,..the., N) in a preset database, and each audio control function includes an identification input (1, 2,..the., N) of the several audio signal input channels, and several control data (1, 2,..the., N); wherein, each channel identifier corresponds to a parameter, namely, each channel identifier corresponds to a parameter of one channel identifier; each audio control function corresponds to an audio control function ID.
In a preferred embodiment, the second MCU control unit is further configured to: analyzing the data in the data buffer area to generate serial port data with a DSP communication format; wherein, the serial port data includes: frame header parameters of the data frame, an audio control function ID, parameters of a second channel identifier, first control data and CRC check parameters;
and transmitting the serial port data with the DSP communication format to a DSP control unit.
Specifically, the second MCU control unit analyzes the data stored in the data buffer zone, analyzes the serial port data with the DSP communication format, and sends the analyzed serial port data to the DSP control unit.
Optionally, the serial port data includes, but is not limited to: a frame header parameter of the data frame, a data frame length parameter, an audio control function ID, a parameter of the second channel identification, first control data, and a CRC check parameter.
Optionally, the DSP communication format data types include, but are not limited to: frame header, length, audio control function ID, channel selection, control data, and CRC check.
Illustratively, taking the feedback suppression level control function of the audio signal channel as an example, the corresponding DSP communication format and serial port data therein are shown in table 1:
then, the serial data obtained after the parsing is a string of data consisting of 0xff,0x55,0x04,0x00 and 0x 04; wherein, the data types of 0xff and 0x55 are frame heads, the data type of the first 0x04 from left to right is length, the data type of the first 0x00 from left to right is channel selection, the data types of the following 0x00 and 0x00 are control data, and the data type of the rest 0x04 is CRC check.
In a preferred embodiment, the DSP control unit is configured to replace, in the database, second control data of an audio control function when an audio signal channel is to be pasted with the first control data according to the second channel identifier and an audio control function identifier, where the DSP control unit includes:
acquiring parameters of a second channel identifier and an audio control function ID from the serial port data;
and determining second control data of the audio control function in the database when the audio signal channel is to be pasted according to the parameter of the second channel identifier and the audio control function ID, and replacing the second control data with first control data in the serial data.
Specifically, the DSP control unit finds a storage position corresponding to the audio control function in the preset database according to the audio control function ID corresponding to the audio control function identifier in the serial port data, finds a storage position corresponding to the parameter of the second channel identifier according to the parameter of the second channel identifier corresponding to the second channel identifier in the storage position of the audio control function, determines second control data therein, and replaces the determined second control data with first control data in the serial port data.
Optionally, each audio control function identifier corresponds to an audio control function ID.
In a preferred embodiment, the DSP control unit is further configured to determine, before replacing, in the database, second control data of the audio control function when the audio signal channel is to be pasted with the first control data according to the second channel identifier and the audio control function identifier, whether a frame header parameter and a CRC check parameter of a data frame in the serial port data are correct; if yes, continuing to execute the subsequent steps; if not, the subsequent steps are not executed.
Specifically, after the DSP receives the serial port data, it needs to determine whether the frame header parameter and the CRC parameter of the data frame in the serial port data are correct, and if not, the DSP control unit exits the execution of the current audio control function, that is, does not execute the subsequent steps; if so, the DSP control unit continues to execute the current audio control function and replaces the second control data of the audio control function when the audio signal channel is to be pasted with the first control data.
In an alternative embodiment, the second control data of the audio control function when the audio signal channel is to be pasted is replaced by the first control data, which can be understood that the DSP control unit configures the control parameters of the corresponding audio control function in the audio signal channel to be pasted according to the control parameters of the corresponding audio control function in the audio signal channel to be copied, so that the corresponding audio control function in the audio signal channel to be pasted is the same as the corresponding audio control function in the audio signal channel to be copied.
In an alternative embodiment, the DSP and the MCU may share a single storage data unit (storage chip), the data formats and parameters of the access data storage units of the MCU and the DSP are the same, the application scenarios are different, the power-on start of the MCU is slower, the data of the access storage units of the MCU are used for interacting with the control software, and the data of the access storage units of the DSP are used for quick response of the audio function during power-on; in addition, the method used in the patent comprises the following steps: the DSP communicates with the MCU through corresponding API interfaces, and performs database operations such as adding, deleting, checking, modifying and the like on the database of the MCU; and (3) injection: the DSP can not directly access the database, the database runs on the MCU embedded system, and the DSP operates the MCU database through the API interface of the MCU.
In a preferred embodiment, the audio signal path to be reproduced comprises: an audio signal input channel to be copied or an audio signal output channel to be copied;
the audio signal channel to be pasted comprises: an audio signal input channel to be pasted or an audio signal output channel to be pasted.
Specifically, the audio processor in the present application includes: a plurality of audio signal input channels, and a plurality of audio signal output channels; the number of audio signal channels is not particularly limited.
The audio signal input channel to be copied represents the audio signal input channel which is selected by a user and needs to be copied; the audio signal output channel to be copied represents the audio signal output channel which is selected by a user to be copied; the audio signal input channel to be pasted represents the audio signal input channel to be pasted selected by a user; the audio signal output channel to be pasted indicates the audio signal output channel to be pasted selected by the user.
In a preferred embodiment, the audio control functions corresponding to the audio signal input channels to be duplicated include, but are not limited to: an input digital gain control function, an input mute control function, a switch control function, an inverse signal control function, a noise gate control function, an input equalizer control function, an input analog gain control function, and an input signal generator control function; wherein the switch control function includes: 48V switch control function.
The audio control functions corresponding to the audio signal output channels to be duplicated include, but are not limited to: an output digital gain control function, an output mute control function, a delay function control function, a divider function control function, an output equalizer control function, a limiter control function, an inverse signal control function, and a compressor control function.
The first MCU control unit is used for receiving the first control data of all audio control functions in the audio signal channels to be pasted, and the second MCU control unit is used for receiving the second control data of all audio control functions in all serial data; the basic process flow is shown in fig. 7.
Optionally, the number of message bodies generated by the first MCU control unit may be plural, and the number of the first channel identifier, the audio control function identifier, and the second channel identifier in each message body may be plural.
In an alternative embodiment, the second control chip deletes the established data buffer after completing the replacement of the second control data of all audio control functions in all signal channels to be pasted with the first control data of all audio control functions in the signal channels to be copied.
Optionally, the MCU control unit includes, but is not limited to: an MCU chip; DSP control units include, but are not limited to: a DSP chip.
On the basis of the device item embodiment, the invention correspondingly provides a method item embodiment.
The invention further provides a rapid deployment method of audio signal channels, which comprises the steps of responding to channel copying operation of a user, and acquiring a first channel identifier of the audio signal channel to be copied and an audio control function identifier contained in the audio signal channel to be copied; responding to the channel pasting operation of the user, and acquiring a second channel identifier of the audio signal channel to be pasted;
extracting first control data corresponding to the audio control function when an audio signal channel is to be copied from a preset database according to the first channel identifier and the audio control function identifier;
and replacing second control data of the audio control function when the audio signal channel is to be pasted with the first control data in the database according to the second channel identifier and the audio control function identifier.
By implementing the embodiments of the invention, the accuracy and the transmission efficiency of the differential correction data in the actual differential enhanced service data transmission can be improved.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also deemed to be the invention as set forth in the claims.
Claims (9)
1. A rapid deployment apparatus for an audio signal path, comprising: the system comprises a first MCU control unit, a second MCU control unit and a DSP control unit;
the first MCU control unit is used for responding to the channel copying operation of a user and acquiring a first channel identifier of an audio signal channel to be copied and an audio control function identifier contained in the audio signal channel to be copied; responding to the channel pasting operation of the user, and acquiring a second channel identifier of the audio signal channel to be pasted;
the second MCU control unit is used for extracting first control data corresponding to the audio control function when the audio signal channel is to be copied from a preset database according to the first channel identifier and the audio control function identifier;
and the DSP control unit is used for replacing second control data of the audio control function in the database when the audio signal channel is to be pasted with the first control data according to the second channel identifier and the audio control function identifier.
2. The rapid deployment apparatus of an audio signal path of claim 1, wherein the first MCU control unit is further configured to: and generating a message body according to the first channel identifier, the audio control function identifier contained in the audio signal channel to be copied and the second channel identifier, and transmitting the message body to the second MCU control unit.
3. The rapid deployment apparatus of an audio signal path of claim 1, wherein the second MCU control unit is further configured to: acquiring the message body, and establishing a data buffer area after acquiring the message body;
the second MCU control unit is used for extracting first control data corresponding to the audio control function when the audio signal channel is to be copied from a preset database according to the first channel identifier and the audio control function identifier, and comprises the following components:
analyzing parameters of a first channel identifier, an audio control function ID of an audio control function identifier and parameters of a second channel identifier from the message body, and storing the parameters of the audio control function ID and the second channel identifier into a data buffer area;
and extracting first control data corresponding to the audio control function when the audio signal channel is to be copied from a preset database according to the parameter of the first channel identifier and the audio control function ID, and storing the first control data into a buffer area.
4. The rapid deployment apparatus of an audio signal channel of claim 3, wherein the second MCU control unit is further configured to: analyzing the data in the data buffer area to generate serial port data with a DSP communication format; wherein, the serial port data includes: frame header parameters of the data frame, an audio control function ID, parameters of a second channel identifier, first control data and CRC check parameters;
and transmitting the serial port data with the DSP communication format to a DSP control unit.
5. The rapid deployment apparatus of an audio signal path according to claim 4, wherein the DSP control unit for replacing second control data of an audio control function in the database when the audio signal path is to be pasted with the first control data according to the second path identifier and the audio control function identifier comprises:
acquiring parameters of a second channel identifier and an audio control function ID from the serial port data;
and determining second control data of the audio control function in the database when the audio signal channel is to be pasted according to the parameter of the second channel identifier and the audio control function ID, and replacing the second control data with first control data in the serial data.
6. The rapid deployment apparatus of audio signal channel according to claim 5, wherein the DSP control unit is further configured to determine whether a frame header parameter and a CRC check parameter of a data frame in the serial port data are correct before replacing second control data of an audio control function in the database when the audio signal channel is to be pasted with the first control data according to the second channel identifier and the audio control function identifier; if yes, continuing to execute the subsequent steps; if not, the subsequent steps are not executed.
7. The rapid deployment apparatus of an audio signal channel of claim 1, wherein the audio signal channel to be replicated comprises: an audio signal input channel to be copied or an audio signal output channel to be copied;
the audio signal channel to be pasted comprises: an audio signal input channel to be pasted or an audio signal output channel to be pasted.
8. The rapid deployment apparatus of the audio signal channel according to claim 7, wherein the audio control function corresponding to the audio signal input channel to be duplicated comprises: an input digital gain control function, an input mute control function, a switch control function, an inverse signal control function, a noise gate control function, an input equalizer control function, an input analog gain control function, and an input signal generator control function;
the audio control function corresponding to the audio signal output channel to be duplicated comprises: an output digital gain control function, an output mute control function, a delay function control function, a divider function control function, an output equalizer control function, a limiter control function, an inverse signal control function, and a compressor control function.
9. A method for rapid deployment of audio signal channels, comprising:
responding to the channel copying operation of a user, and acquiring a first channel identifier of an audio signal channel to be copied and an audio control function identifier contained in the audio signal channel to be copied; responding to the channel pasting operation of the user, and acquiring a second channel identifier of the audio signal channel to be pasted;
extracting first control data corresponding to the audio control function when an audio signal channel is to be copied from a preset database according to the first channel identifier and the audio control function identifier;
and replacing second control data of the audio control function when the audio signal channel is to be pasted with the first control data in the database according to the second channel identifier and the audio control function identifier.
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