CN112367136A - Audio transmission and control system equipment based on network communication technology - Google Patents
Audio transmission and control system equipment based on network communication technology Download PDFInfo
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- CN112367136A CN112367136A CN202011236874.9A CN202011236874A CN112367136A CN 112367136 A CN112367136 A CN 112367136A CN 202011236874 A CN202011236874 A CN 202011236874A CN 112367136 A CN112367136 A CN 112367136A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/29—Arrangements for monitoring broadcast services or broadcast-related services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
- H04H60/81—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself
- H04H60/82—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet characterised by the transmission system itself the transmission system being the Internet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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Abstract
The invention relates to an audio transmission and control system device based on network communication technology, which comprises a master control machine room, a branch control machine room, a LAN (local area network) and a terminal broadcast, wherein a network audio server, a network audio coding expander, a network microphone paging workstation and a network fire alarm matrix are arranged in the master control machine room, and the devices are all connected with a switch through network cables; the network audio coding expander is used for coding the received audio signal into a digital signal and transmitting the digital signal to the switch by adopting a TCP/IP protocol; IP broadcast management software is installed on a network broadcast sub-control management computer or a user computer, and the sub-control management computer is provided with a left functional column and a right functional information display column; the invention effectively solves the problem of the limit of the analog broadcasting system due to the line or the transmission distance, and adopts the network mode to ensure that the transmission distance is long; each terminal has an independent IP address, and can be controlled to play different programs at will.
Description
Technical Field
The invention relates to the technical field of audio transmission systems, in particular to audio transmission and control system equipment based on a network communication technology.
Background
The analog broadcasting system can use only analog signals output from devices such as a microphone and a CD player, and cannot be applied to sound sources stored in a digital format on a network server or various carriers. Analog broadcasting systems are easily limited by power and lines, transmission distance, and the number of sound units is difficult to expand. The analog broadcasting system is a set of hardware equipment, and the application function and the management function of the analog broadcasting system are solidified, limited, unable to achieve any point-to-point, unlimited partition, multi-task presetting and other functions, and not flexible enough. Therefore, it is urgently needed to design an audio transmission and control system device based on a network communication technology to solve the problems of short transmission distance, incapability of any point-to-point, any partition and difficult expansion of the traditional broadcasting system.
Disclosure of Invention
The present invention is provided to solve the problems in the prior art, and an object of the present invention is to provide an audio transmission and control system device based on a network communication technology, which solves the limitation of the analog broadcasting system due to the line or the transmission distance, and also solves the problem that the conventional broadcasting system cannot perform any functions such as point-to-point, infinite partition, multi-task presetting, etc.
An audio transmission and control system device based on a network communication technology comprises a master control machine room, a branch control machine room, a LAN (local area network) and a terminal broadcast, wherein a network audio server, a network audio coding expander, a network microphone paging workstation and a network fire alarm matrix are arranged in the master control machine room, and the network audio server, the network audio coding expander, the network microphone paging workstation and the network fire alarm matrix are all connected with a switch through network cables; the network audio coding expander is used for coding the received audio signal into a digital signal and transmitting the digital signal to the switch by adopting a TCP/IP protocol;
the sub-control machine room is provided with a network broadcast sub-control management computer and a network audio decoding expander which are connected with the switch through a network cable; the switch is connected with a plurality of terminal broadcasts through a LAN local area network, the terminal broadcasts are provided with a network power amplifier or a network audio decoding expander or a network wall-mounted terminal or a network microphone paging workstation, the network audio decoding expander decodes received digital signals into audio signals and controls equipment in the terminal broadcasts through a TCP/IP protocol;
the LAN local area network adopts a TCP/IP network communication protocol and is used for carrying out pure digital data transmission on the audio signals on the IP network in a data packet mode, and the IP network can transmit a plurality of paths of audio data at the same time without mutual interference;
the network audio server is provided with a background service system and a database of an IP network public broadcasting system, the network broadcast sub-control management computer or the user computer is provided with IP broadcast management software, the IP broadcast management software carries out partition management, and the partition management is provided with a left functional column and a right functional information display column.
Preferably, the network audio coding expander is connected with a multimedia player and a tuner in a master control machine room, or connected with a broadcasting host in an additionally arranged branch control machine room, and the broadcasting host is connected with the multimedia player and used for collecting audio signals and coding the audio signals into digital signals by the network audio coding expander.
Preferably, the terminal broadcast is equipped with network power amplifier or network hanging terminal or network audio frequency decoding expander and decodes the digital signal that receives into audio signal to carry audio signal to a plurality of loudspeaker control plays of connecting, the network microphone paging workstation that the terminal broadcast was equipped with receives audio signal.
Preferably, the network audio decoding expander is connected with a two-channel digital constant voltage power amplifier, and the network wall-mounted terminal is connected with a wireless microphone.
Preferably, the function bar of the IP broadcast management software is provided with a system, a running task, a playing task, a standby control task, a collecting task, a channel task, an emergency task, a plan task, a partition, a workstation, a user, and a multimedia and set function module.
Preferably, the function information display section of the IP broadcast management software displays function module information of the function section.
The invention designs audio transmission and control system equipment based on network communication technology
1. The limitation of the analog broadcasting system due to lines or transmission distance is effectively solved, and the transmission distance is long by adopting a network mode; each terminal has an independent IP address, and can be controlled to play different programs at will;
2. the LAN local area network adopts a standard TCP/IP network communication protocol to carry out audio data network transmission, and is not limited by the transmission distance any more, thereby realizing remote audio transmission; the standard network communication protocol is adopted to support the synchronous transmission of a large number of data networks, and the system can simultaneously start multiple sound sources (dozens of sound sources or even thousands of sound sources) for selection of terminal equipment, so that the quantity of the sound sources is greatly enriched;
3. the terminal has network data coding and decoding functions: the system can accurately acquire and play each terminal in the network, and the partition positioning control is accurate to each terminal;
4. the terminal has a plurality of sound source selection modes: the terminal can select different sound source channels to play according to the self requirement, such as: the system comprises network channels, real-time songs, local multimedia songs, server timing task receiving and network paging, and has good interaction effect;
5. the terminal has a backup function: the terminal is accessed to an IP broadcast network, broadcast control data of IP broadcast management software is received in real time, unified broadcast control management is carried out by a network audio server, and the terminal can be automatically switched to a backup sound source when a network fault occurs, so that the integrity of a broadcast task is ensured;
6. while encompassing all the functionality covered by conventional broadcasts.
Drawings
Fig. 1 is a block diagram of an audio transmission and control system device based on a network communication technology.
Fig. 2 is a structural block diagram of an additional branch control machine room.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention relates to an implementation mode, and referring to fig. 1-2, an audio transmission and control system device based on a network communication technology comprises a master control machine room, a LAN local area network and a terminal broadcast, wherein a branch control machine room is set as required, a network audio server, a network audio coding expander, a network microphone paging workstation and a network fire alarm matrix are arranged in the master control machine room which is additionally provided with the branch control machine room, and the network audio coding expander is connected with a multimedia player and a tuner in the master control machine room and is used for collecting audio signals and coding the audio signals into digital signals; besides the devices, the broadcasting host is connected with a sub-control machine room, and the broadcasting host is connected with a multimedia player and a four-channel digital constant-voltage power amplifier and used for collecting audio signals and encoding the audio signals into digital signals by a network audio coding expander. The network audio server, the network audio coding expander, the network microphone paging workstation and the network fire-fighting alarm matrix are all connected with the switch through network cables; the network audio coding expander is used for coding the received audio signals into digital signals and transmitting the digital signals to the switch by adopting a TCP/IP protocol, and the switch transmits the digital signals to a plurality of terminals for broadcasting through a LAN (local area network).
The sub-control machine room is provided with a network broadcast sub-control management computer and a network audio decoding expander which are connected with the switch through a network cable; the switchboard is connected with a plurality of terminal broadcasts through a LAN local area network, the terminal broadcasts are provided with network power amplifier broadcasts or network audio decoding expanders or network wall-mounted terminals or network microphone paging workstations, the network audio decoding expanders decode received digital signals into audio signals and control equipment in the terminal broadcasts through a TCP/IP protocol; the network power amplifier broadcast or the network wall-mounted terminal or the network audio decoding expander arranged in the terminal broadcast decodes the received digital signals into audio signals and transmits the audio signals to a plurality of connected loudspeakers to control the playing, and a network microphone paging workstation arranged in the terminal broadcast receives the audio signals; the network audio decoding expander is connected with a two-channel digital constant voltage power amplifier, and the network wall-mounted terminal is connected with a wireless microphone. The LAN local area network adopts a TCP/IP network communication protocol and is used for carrying out pure digital data transmission on the audio signals on the IP network in a data packet mode, and the IP network can transmit a plurality of paths of audio data at the same time without mutual interference.
The network audio server is provided with a background service system and a database of an IP network public broadcasting system, the network broadcast sub-control management computer or the user computer is provided with IP broadcast management software, the IP broadcast management software carries out partition management, and the partition management is provided with a left functional column and a right functional information display column.
The operation steps of the IP broadcast management software are as follows:
1. system interface
The function bar of the IP broadcast management software is provided with a system, a running task, a playing task, a standby control task, a collecting task, a channel task, an emergency task, a plan task, a partition, a workstation, a user and a multimedia and set function module.
And a function information display column of the IP broadcast management software displays the function module information of the function column.
2. System function
2.1 System interface
The system page mainly checks the information and the state of each terminal and can also remove the terminals which are not on-line. The different types of terminals can be quickly screened and browsed through shortcut keys on a terminal page, and the shortcut keys are dynamically generated according to the types of the existing terminals. The terminal name modification can be made by double-clicking in the 'name' column. In addition to viewing the terminal, the broadcast channel or the acquisition channel may be viewed by selecting the tab bar. The volume of the selected terminal channel can be adjusted in the channel interface, and the broadcast channel can also be subjected to mute operation. Additionally, a multi-option is clicked, and the ctrl key is held down to select multiple devices to view their maximum, minimum, or average volume and to adjust their overall volume.
2.2 running task pages
The running tasks display all running tasks in the current system, and can select the specified tasks and edit and view the corresponding output channels.
And (4) task editing: editing output keys, and dynamically editing and adding or deleting output channels of corresponding tasks.
The user task comprises the following steps: and displaying the personal tasks of the user, and only displaying the running tasks created by the current login user.
Stopping the task: and a stop key is arranged for each task, and the corresponding task can be stopped.
2.3 Play tasks
The play tasks are divided by 'scheme', i.e. the scheme is a collection of tasks. The task playing interface comprises a scheme function key column, a scheme list, a task function key column, a task list, an output partition and an output broadcast channel. Description of scheme function button field:
the addition scheme is as follows: and (5) newly building a scheme key. Clicking the button adds a new scheme item in the scheme list.
And (3) deleting the scheme: and deleting the scheme key. And selecting one scheme item, clicking the key and deleting the specified scheme item.
The enabling/disabling scheme: the scheme key is enabled. Selecting one scheme item, clicking the key to enable or disable all tasks contained in the specified scheme item.
Description of the task function button bar:
adding a task: and (5) newly building a task key. Clicking the key, a task item is newly added in the task list of the corresponding scheme.
And (4) deleting the task: and deleting the task key. And selecting one task item, clicking the key and deleting the specified task item.
Starting a timing task: the timed task key is enabled. And selecting a timing task item, clicking the key to start the designated timing task, and when a non-timing task item is selected, the task cannot run. If the solution in which the task is located is in a disabled state, the task will not be enabled.
And (3) starting a task: a start task key. And selecting one task item, clicking the key to operate the specified task, wherein the task in the forbidden scheme cannot be operated.
And (5) ending the task: and ending the task key. And selecting one task item, clicking the key to finish the specified task, wherein the task which is not in the running state is invalid.
All the steps are started: the keys are all enabled. And selecting a scheme, clicking the key to enable all timing tasks under the scheme, and disabling the scheme in the manual task and disabled state.
And (4) finishing all the steps: and (4) pressing an all-over ending key. Selecting a scheme, clicking the key to finish all running/enabled tasks under the scheme, and invalidating the tasks in the finished state and the disabled scheme.
Entering a task editing interface by double clicking a task list, wherein the interface comprises a task name, a task level, trigger output, a task mode, pre-power-on, forced volume, a task type, start time, end time, duration, cycle, input selection and output selection. Task name: the identity of the task displayed on the interface. Task level: the priority level of the task is 1-99, wherein 1 has the lowest priority and 99 has the highest priority (the task with the high level can be interrupted and automatically switched to the task with the low level which is not finished after the task with the high level is finished). And (3) triggering and outputting: when the task is triggered after the selection, the port corresponding to the selected channel will have a set of dry contact signals output. And (3) task mode: there are unicast, multicast and TCP. Pre-starting a power supply: and starting the task, setting the time delay of several seconds, and then playing. Forced volume: and setting the volume of the output, wherein the volume can be locked (after the volume is locked, the volume cannot be adjusted on the terminal equipment, and the volume can only be adjusted through management software). The task type is as follows: there were manual, daily and weekly. If in manual mode, the start time will not be set. Weeks are available only weekly. Start time: the starting runtime point of the task (for timed tasks). End time (duration): and the ending time and the duration of the ending operation time point of the task are mutually exclusive. Week: date the task runs during the week. Inputting: the method comprises file input, acquisition channel input and text input which are mutually exclusive. The file input is to select an audio file in the server, the acquisition channel input is to select an acquisition channel in the system, and the text input is to convert characters into voice through the server. The file input can select a random play mode, a circular play mode and one-time sequential play, and the default mode is the circular play mode. And (3) outputting: there is a partition output and a broadcast channel output, both of which are concurrent.
2.4 backup control task
And (3) standby control tasks: the standby control task belongs to a manual playing task and can be controlled by an SDK development kit.
Description of the task function button bar:
adding a task: and (5) newly building a task key. Clicking the key, a task item is newly added in the task list of the corresponding scheme.
And (4) deleting the task: and deleting the task key. And selecting one task item, clicking the key and deleting the specified task item.
And (3) starting a task: a start task key. And selecting one task item, clicking the key and operating the specified task.
Stopping the task: the task key is stopped. And selecting one task item, clicking the key and stopping the appointed task.
And entering a task editing interface by double clicking the task list, wherein the interface comprises a task name, a task level, trigger output, a task mode, duration, forced volume, input selection and output selection. Task name: the identity of the task displayed on the interface. Task level: the priority level of the task is 1-99, wherein 1 has the lowest priority and 99 has the highest priority (the task with the high level can be interrupted and is automatically switched to the task with the unfinished lower level after the task with the high level is finished). And (3) triggering and outputting: when the task is triggered after the selection, the port corresponding to the selected channel will have a set of dry contact signals output. And (3) task mode: there are unicast, multicast and TCP. Duration: and a running end time point of the task. Forced volume: and setting the volume of the output, wherein the volume can be locked (after the volume is locked, the volume cannot be adjusted on the terminal equipment, and the volume can only be adjusted through management software). Inputting: the method comprises file input, acquisition channel input and text input which are mutually exclusive. The file input is to select an audio file in the server, the acquisition channel input is to select an acquisition channel in the system, and the text input is to convert characters into voice through the server. The file input can select a random play mode, a circular play mode and one-time sequential play, and the default mode is the circular play mode. And (3) outputting: there is a partition output and a broadcast channel output, both of which are concurrent.
2.5 Collection tasks
The collection task interface comprises a task function key bar and a task list.
Clearing tasks: the task key is cleared. And selecting one task item, clicking the key and clearing the configuration of the specified task item.
Starting a task: the task key is enabled. And selecting one task item, clicking the key to start the appointed task item.
And (5) ending the task: and ending the task key. And selecting one task item, clicking the key and ending the designated task item.
And entering an acquisition task editing interface by double-clicking items in the task list, wherein the interface comprises acquisition channel names, levels, modes, acquisition stop trigger time, trigger output, forced volume and output. Collecting channel names: the channel is identified on the interface display. Acquiring task levels: the task has a priority level of 1-99, with 1 having the lowest priority and 99 having the highest priority. And (3) task mode: there are unicast, multicast and TCP. Collecting the stop trigger time: the time when the acquisition channel stops acquiring when no sound source is input may be set. And (3) triggering and outputting: when the task is triggered after the selection, the port corresponding to the selected channel will have a set of dry contact signals output. Forced volume: and setting the volume of the output, wherein the volume can be locked (after the volume is locked, the volume cannot be adjusted on the terminal equipment, and the volume can only be adjusted through management software). And (3) outputting: there is a partition output and a broadcast channel output, both of which are concurrent.
2.6 channel tasks
The channel task interface comprises a task function key bar and a task list.
Description of function button field:
adding a channel: add channel button. Clicking the key, a new task item is added in the channel task list.
And (3) deleting channels: and deleting the channel key. And selecting one task item, clicking the key and deleting the specified task item.
Enable/start channel task: enable/start channel task key. Selecting one task item, clicking the key to start or appoint the task item.
Stop/end channel: stop/end channel task button. And selecting one task item, clicking the key to stop or end the specified task item.
Entering a timed task editing interface by double-clicking a task list item, wherein the interface comprises a channel ID, a task name, a task level, trigger output, a task mode, a task type, forced volume, start time, end time, duration, cycle and input. Channel ID: there are 1-99 as unique identifiers for channel tasks. Task name: the identity of the task displayed on the interface. Task level: the task has a priority level of 1-99, with 1 having the lowest priority and 99 having the highest priority. And (3) triggering and outputting: when the task is triggered after the selection, the port corresponding to the selected channel will have a set of dry contact signals output. And (3) task mode: there are unicast, multicast and TCP. The task type is as follows: there were manual, daily and weekly. If in manual mode, the start time will not be set. Weekly cycles are only available on a weekly basis. Forced volume: and setting the volume of the output, wherein the volume can be locked (after the volume is locked, the volume cannot be adjusted on the terminal equipment, and the volume can only be adjusted through management software). Start time: the starting runtime point of the task. End time (duration): and the ending time and the duration of the ending operation time point of the task are mutually exclusive. Week: date the task runs during the week. Inputting: the method comprises file input, acquisition channel input and text input which are mutually exclusive. The file input is to select an audio file in the server, the acquisition channel input is to select an acquisition channel in the system, and the text input is to convert characters into voice through the server. The file input can select a random play mode, a circular play mode and one-time sequential play, and the default mode is the circular play mode.
2.7 Emergency tasks
The emergency task is a terminal channel task of an input control unit type, notes named by terminal names are generated correspondingly according to the number of the terminals of the current system, and task items named by the channel names in corresponding number are generated in corresponding note pages according to the number of the channels of the target terminals. Each task item has 4 states, respectively
Unconfigured, idle, with control triggers: ordinary triggering, there is emergency triggering: emergency triggering
Whether the trigger is a normal trigger or an emergency trigger depends on whether the emergency level set by the system is higher than the lowest emergency level.
And entering an emergency task editing interface by double clicking items in the task list, wherein the interface comprises a task name, a task level, trigger output, a task mode, forced volume, input and output. Task name: the identity of the task displayed on the interface. Task level: the task has a priority level of 1-99, with 1 having the lowest priority and 99 having the highest priority. And (3) triggering and outputting: when the task is triggered after the selection, the port corresponding to the selected channel will have a set of dry contact signals output. And (3) task mode: there are unicast, multicast and TCP. Forced volume: and setting the volume of the output, wherein the volume can be locked (after the volume is locked, the volume cannot be adjusted on the terminal equipment, and the volume can only be adjusted through management software). Inputting: the method comprises file input, acquisition channel input and text input which are mutually exclusive. The file input is to select an audio file in the server, the acquisition channel input is to select an acquisition channel in the system, and the text input is to convert characters into voice through the server. The file input can select a random play mode, a circular play mode and one-time sequential play, and the default mode is the circular play mode. And (3) outputting: there is a partition output and a broadcast channel output, both of which are concurrent.
2.8 plan task
The pre-planned task is a task without output configuration, and the complete task is only completed by selecting an output partition or a channel for secondary processing at a workstation terminal by a user. The pre-arranged task interface comprises a task function key bar and a task list.
Description of the task function button bar:
adding a plan: and (5) newly establishing a project task key. Clicking the button pops up a new task setting window to complete the setting to add a new task.
Deleting a plan: and deleting the scheduled task key. And selecting one task item, clicking the key and deleting the specified task item.
And entering a pre-arranged task editing interface by double-clicking items in the task list, wherein the interface comprises a task name, a task level, trigger output, a task mode, forced volume, duration and input. Task name: the identity of the task displayed on the interface. Task level: the task has a priority level of 1-99, with 1 having the lowest priority and 99 having the highest priority. And (3) triggering and outputting: when the task is triggered after the selection, the port corresponding to the selected channel will have a set of dry contact signals output. And (3) task mode: there are unicast, multicast and TCP. Forced volume: and setting the volume of the output, wherein the volume can be locked (after the volume is locked, the volume cannot be adjusted on the terminal equipment, and the volume can only be adjusted through management software). Duration: time from start to end of the task. Inputting: the method comprises file input, acquisition channel input and text input which are mutually exclusive. The file input is to select an audio file in the server, the acquisition channel input is to select an acquisition channel in the system, and the text input is to convert characters into voice through the server. The file input can select a random play mode, a circular play mode and one-time sequential play, and the default mode is the circular play mode.
2.9 partitioning
The partition configuration is to constitute a unit by a single playing channel or a plurality of playing channels, generate a partition control key, and provide configuration use of tasks, workstations and the like. The partition configuration page includes a partition function button bar, a partition list, a selected broadcast channel list, a selectable broadcast channel list, and a quantity statistics tab.
Name modification is performed by double-clicking on an item of the partition list, and double-clicking on a channel item of the selectable list adds hits.
Description of partition function button bar:
adding partitions: and newly building a partition key. Clicking the key will add a new partition item in the partition list.
Deleting the partitions: and deleting the partition key. And selecting one partition item, clicking the key and deleting the specified partition item.
And (3) all the steps are as follows: all selectable channels are selected.
All cancel: all current selections are cleared.
2.10 work station
When the workstation is configured, the remote microphone workstation (RM microphone for short) is operated and the workstation configuration page comprises a workstation list, a broadcast channel selection, a partition selection and a plan task selection.
The editing interface is entered by double-clicking on items in the workstation list, and the interface comprises the name, the level, the mode, the trigger output and the output selection of the workstation. The name of the work station: the name of the workstation is displayed on the interface. Grade: the priority of the workstation is 1-99, with 1 having the lowest priority and 99 having the highest priority. Mode (2): there are unicast, multicast and TCP. And (3) triggering and outputting: when the task is triggered after the selection, the port corresponding to the selected channel will have a set of dry contact signals output. And (3) outputting: there are a partition output, a broadcast channel output, and a plan output.
2.11 users
The user management page includes a function button bar and a user list.
And (4) newly establishing a user: and (5) newly building user keys. Clicking the button will add a new user zone entry to the user list.
And (3) deleting the user: the user key is deleted. And selecting one user item, clicking the key and deleting the specified user item.
The user editing interface is entered by double-clicking on an entry in the user list, which contains the user name, user description, user password, user permissions, user available partitions, and broadcast channel. User authority: the user has authority to access each page, and basically each page can be divided into two authorities: access and edit, and the access or edit authority can be subdivided by the actual needs of individual pages. User available partitions and broadcast channels: the user may use the partitions and broadcast channels in the management software.
2.12 multimedia
The multimedia page manages audio files used by broadcasting in the server, and the default is that two folders are provided: the system comprises a broadcast directory and an on-demand directory, wherein files in the broadcast directory are provided for task configuration, the on-demand directory is provided for a workstation microphone, and a plurality of function keys are further included.
Returning to the previous stage: and returning to the folder at the previous level.
Root directory: return the current root directory, broadcast directory or on-demand directory.
Uploading a file: and selecting a local audio file and uploading the local audio file to a current path directory of the server.
Newly creating a folder: and newly building a folder in the current folder.
Renaming: the file or folder is renamed.
And (3) deleting: deleting files or folders, only deleting empty folders.
Clearing: and clearing the uploading record.
2.13 setting
The setup page contains the urgency level.
Emergency grade: is associated with an emergency task, if the emergency task is triggered, the task is in a grade larger than or equal to the current emergency grade, the trigger is an emergency trigger, otherwise, the trigger is a common trigger.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An audio transmission and control system device based on a network communication technology is characterized by comprising a master control machine room, a branch control machine room, a LAN (local area network) and a terminal broadcast, wherein a network audio server, a network audio coding expander, a network microphone paging workstation and a network fire alarm matrix are arranged in the master control machine room, and the network audio server, the network audio coding expander, the network microphone paging workstation and the network fire alarm matrix are all connected with a switch through network cables;
the network audio coding expander is used for coding the received audio signal into a digital signal and transmitting the digital signal to the switch by adopting a TCP/IP protocol; the sub-control machine room is provided with a network broadcast sub-control management computer and a network audio decoding expander which are connected with the switch through a network cable; the switch is connected with a plurality of terminal broadcasts through a LAN local area network, the terminal broadcasts are provided with network power amplifier broadcasts or network audio decoding expanders or network wall-mounted terminals or network microphone paging workstations, the network audio decoding expanders decode received digital signals into audio signals and control equipment in the terminal broadcasts through a TCP/IP protocol;
the LAN local area network adopts a TCP/IP network communication protocol and is used for carrying out pure digital data transmission on the audio signals on the IP network in a data packet mode, and the IP network can transmit a plurality of paths of audio data at the same time without mutual interference;
the network audio server is provided with a background service system and a database of an IP network public broadcasting system, the network broadcast sub-control management computer or the user computer is provided with IP broadcast management software, the IP broadcast management software carries out partition management, and the partition management is provided with a left functional column and a right functional information display column.
2. The audio transmission and control system device based on the network communication technology as claimed in claim 1, wherein the network audio coding expander is connected to a multimedia player and a tuner in a master control room, or connected to a broadcast host in an additional sub-control room, and the broadcast host is connected to the multimedia player and used for the network audio coding expander to collect audio signals and encode the audio signals into digital signals.
3. The audio transmission and control system device according to claim 1, wherein the terminal broadcast is provided with a network power amplifier or a network wall-mounted terminal or a network audio decoding expander to decode the received digital signals into audio signals, and transmit the audio signals to a plurality of connected speakers for controlled playback, and the terminal broadcast is provided with a network microphone paging workstation to receive the audio signals.
4. The audio transmission and control system device according to claim 1, wherein the network audio decoding expander is connected to a dual-channel digital constant voltage power amplifier, and the network wall-mounted terminal is connected to a wireless microphone.
5. The audio transmission and control system device based on network communication technology as claimed in claim 1, wherein the functional bar of the IP broadcast management software is provided with functional modules for system, running task, playing task, standby task, collecting task, channel task, emergency task, planning task, partition, workstation, user and multimedia and setup.
6. The audio transmission and control system device based on network communication technology as claimed in claim 1, wherein the function information display field of the IP broadcasting management software displays the function module information of the function field.
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