CN111091740A - Sound operating system of flight simulator - Google Patents
Sound operating system of flight simulator Download PDFInfo
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- CN111091740A CN111091740A CN202010038501.4A CN202010038501A CN111091740A CN 111091740 A CN111091740 A CN 111091740A CN 202010038501 A CN202010038501 A CN 202010038501A CN 111091740 A CN111091740 A CN 111091740A
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- 230000005236 sound signal Effects 0.000 claims abstract description 36
- 230000000694 effects Effects 0.000 claims abstract description 15
- 238000012549 training Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 6
- 230000011664 signaling Effects 0.000 claims description 3
- 230000001052 transient effect Effects 0.000 claims description 2
- 238000004088 simulation Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B9/00—Simulators for teaching or training purposes
- G09B9/02—Simulators for teaching or training purposes for teaching control of vehicles or other craft
- G09B9/08—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of aircraft, e.g. Link trainer
- G09B9/22—Simulators for teaching or training purposes for teaching control of vehicles or other craft for teaching control of aircraft, e.g. Link trainer including aircraft sound simulation
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Abstract
A flight simulator sound operating system, sound controller according to external control signal control volume regulator output adjust the volume of the regulation order, and control the mode selector to output the selection order of the broadcast mode; the volume adjuster adjusts the volume of the audio signal transmitted by each input interface, binds the port number of the input interface, integrates the audio signal into an audio packet and transmits the audio packet to the output distribution module; the mode selector is used for selecting an output mode for the audio signal transmitted by each input interface, binding port numbers of the input interfaces, integrating the mode into a mode selection instruction packet and sending the mode selection instruction packet to the output distribution module; and the output distribution module loads the mode selection instruction on the audio signal after the volume adjustment to obtain port audio and distributes the port audio to the corresponding output interface according to the port number. The invention can vividly play the sound of the airplane when the flight simulator flies in each state, thereby realizing the multi-parameter control effect of sound simulation.
Description
Technical Field
The invention belongs to the technical field of flight simulator simulation, and relates to a sound operating system of a flight simulator.
Background
Flight simulators are test and training devices that simulate the flight conditions, flight environment, and flight conditions of an aircraft performing flight missions, and provide similar handling loads, vision, hearing, and motion sensations to the pilot or flight crew. On a flight simulator, people can operate the aircraft on the ground in the same way as on an actual aircraft, and can experience various feelings when the aircraft flies in the air. The sound system of the flight simulator enables a trainer to obtain required information from the sense of hearing, and the flight simulator receives various sound sources through the sound system and drives corresponding sound equipment to produce sound when in operation, such as engine working sound, sound produced by a radio station, external environment sound when an airplane flies, speech sound of people on the airplane or on the ground, and the like. When the simulator operates, sound files corresponding to sound sources at different positions need to be played in real time according to flight states of the airplane at different times, so that a real cabin environment is created. The following difficulties mainly exist:
the sound source is corresponding to different airplane sound production positions, and one or more channels in corresponding positions are needed to construct a sound production environment.
Different sound playing can be triggered due to different states of the airplane, the existing sound sources are sound environments of the airplane in a certain period of time under specific conditions, and how to construct the sound environments of the airplane under the full-state conditions through sound files under a plurality of specific conditions is a difficult point. In order to improve the simulation effect and ensure that the trainees can obtain the on-site experience, the sound of the airplane flying in each state needs to be vividly presented.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a flight simulator sound operating system with high sound simulation fidelity.
Disclosure of Invention
Aiming at the current research situation and the existing problems, the invention can vividly play the sound of the airplane when the flight simulator flies in each state, thereby realizing the multi-parameter control effect of sound simulation.
The specific scheme for achieving the purpose is as follows:
a flight simulator sound operating system comprises a sound controller, a plurality of input interfaces, a plurality of output interfaces, a volume adjuster, a mode selector and an output distribution module;
the sound controller is connected with the volume adjuster and the mode selector and is used for controlling the volume adjuster to output an adjusting instruction for adjusting the volume according to an external control signal and controlling the mode selector to output a selection instruction for a playing mode;
the input end of the volume adjuster is connected with the input interfaces, the output end of the volume adjuster is connected with the output distribution module, and the volume adjuster is used for adjusting the volume of the audio signal transmitted by each input interface, binding the port number of the input interface, integrating the audio signal into an audio packet and transmitting the audio packet to the output distribution module;
the input end of the mode selector is connected with the input interfaces, the output end of the mode selector is connected with the output distribution module, and the mode selector is used for selecting an output mode for the audio signal transmitted by each input interface, binding port numbers of the input interfaces, integrating the mode selection instruction packet into a mode selection instruction packet and sending the mode selection instruction packet to the output distribution module;
and the output distribution module unpacks the audio packet and the mode selection instruction packet, acquires the audio signal and the mode selection instruction after volume adjustment corresponding to each port number, loads the mode selection instruction on the audio signal after volume adjustment to obtain port audio, and distributes the port audio to the corresponding output interface according to the port number.
Preferably, the plurality of input interfaces are used for receiving multiple paths of independent sound signal inputs, each input interface corresponds to one path of sound signal input, and the input interfaces comprise a steady-state sound input interface and a transient-state sound input interface.
Preferably, the input end of the volume adjuster is connected with a plurality of input interfaces, and is used for setting the volume of the input sound signals differently, and each sound signal is independently adjusted.
Preferably, the output mode of the mode selector comprises a play mode and an effect mode, and the play mode comprises a loop play and a single audio play; the sound effect modes include a high frequency to mid frequency fade ratio, mid frequency reverberation fade time, a value to control modal density and a value to control echo density in late reverberation decay, early reflection level for ambient effects, late reverberation delay time relative to initial reflection, late reverberation level relative to ambient effects.
Preferably, the loop playing mode includes a loop number parameter and a loop interval duration parameter.
Preferably, the sound controller is further connected with a communication interface, and the communication interface is connected with a training command center and is used for receiving input of control parameters of the volume adjuster and the mode selector and input of a list corresponding to the port number of the input interface and the output interface.
Preferably, the output allocation module searches an output interface corresponding to the port number according to the list corresponding to the port number and the output interface of the input interface.
Preferably, each output interface is correspondingly connected with a sound box, and the sound boxes are distributed at different positions in the training cabin of the flight simulator.
Compared with the prior art, the invention has the following beneficial effects:
the invention can simultaneously receive the audio data of a plurality of input interfaces, adjust the volume and select the mode in real time, meet the sound simulation requirement of the flight simulator cockpit, collect the flight state sound of the airplane in each state and play the sound of the airplane in real time when the flight simulator flies in each state. Meanwhile, the processed audio data is played directionally through sound equipment in different directions and distributed directionally in a three-dimensional space to form a brand-new surround sound, so that a driver can feel personally on the scene, and the immersion and the sense of reality of the flying simulator of the piloting plane are enhanced.
Drawings
FIG. 1 is a block diagram of an audio operating system of a flight simulator in accordance with the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, the sound operating system of the flight simulator provided in this embodiment includes a sound controller, a plurality of input interfaces, a plurality of output interfaces, a volume adjuster, a mode selector, and an output allocation module;
the sound controller is connected with the volume adjuster and the mode selector and is used for controlling the volume adjuster to output an adjusting instruction for adjusting the volume according to an external control signal and controlling the mode selector to output a selecting instruction for a playing mode; the input end of the volume adjuster is connected with the input interfaces, the output end of the volume adjuster is connected with the output distribution module, and the volume adjuster is used for adjusting the volume of the audio signal transmitted by each input interface, binding the port number of the input interface, integrating the audio signal into an audio packet and transmitting the audio packet to the output distribution module; the input end of the volume adjuster is connected with the plurality of input interfaces and used for carrying out different settings on the volume of the input sound signals, and each sound signal is independently adjusted. The input interfaces receive multiple paths of independent sound signal input, each input interface corresponds to one path of sound signal input, and each input interface comprises a steady state sound input interface and a transient state sound input interface.
The input end of the mode selector is connected with a plurality of input interfaces, and the output end of the mode selector is connected with the output distribution module and is used for selecting an output mode for the audio signal transmitted by each input interface, binding port numbers of the input interfaces, integrating the mode selection instruction packet into a mode selection instruction packet and sending the mode selection instruction packet to the output distribution module; the output mode of the mode selector comprises a play mode and an effect mode, and the play mode comprises loop play and single audio play; the sound effect modes include a high frequency to mid frequency fade ratio, mid frequency reverberation fade time, a value to control modal density and a value to control echo density in late reverberation decay, early reflection level for ambient effects, late reverberation delay time relative to initial reflection, late reverberation level relative to ambient effects. The loop playing mode comprises a loop time parameter and a loop interval duration parameter. Different audio modes have realized the interior powerful sound reduction of aircraft training cabin, play to the same position of sounding of actual aircraft correspondingly, increase simulation authenticity.
In a specific embodiment, the audio data input by the input interface comprises engine working sounds, external environment sounds, compass sounds, beacon sounds and navigation sounds, main driving voices, auxiliary driving voices, air mechanic voices and other intercom voices; the input interface also receives the sound signal of the trainee, which is picked up by an audio pick-up device, which is a microphone or a microphone in the cabin.
The output distribution module unpacks the audio packet and the mode selection instruction packet, obtains the audio signal and the mode selection instruction after volume adjustment corresponding to each port number, loads the mode selection instruction on the audio signal after volume adjustment to obtain port audio, and distributes the port audio to the corresponding output interface according to the port number.
The sound controller is also connected with a communication interface, the communication interface is connected with the training command center and is used for receiving the input of control parameters of the volume regulator and the mode selector and the input of a list corresponding to the port number of the input interface and the output interface. The output distribution module searches an output interface corresponding to the port number according to the port number of the input interface and the corresponding list of the output interface, when the port number 1 of the input interface corresponds to the output interface 1 in the list, the output distribution module searches the address information of the output interface 1 according to the port number 1, sends the audio signal after volume adjustment and mode selection to the address of the output interface 1, and transmits the audio signal to a corresponding sound for playing.
Each output interface is correspondingly connected with a sound box, and the sound boxes are distributed at different positions in the training cabin of the flight simulator.
In a specific embodiment, the sound output interfaces are 10 sound output interfaces for outputting 10 independent sound signals; the 10 sound output interfaces adopt standard 6.5mm stereo sound connectors, and the left and right sound channels of each stereo sound connector output the same sound signals; each path of input of the 10 sound output interfaces is isolated by adopting a sound transformer.
The sound operating system of the flight simulator provided by the invention is described in detail, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (8)
1. A flight simulator sound operating system is characterized by comprising a sound controller, a plurality of input interfaces, a plurality of output interfaces, a volume adjuster, a mode selector and an output distribution module;
the sound controller is connected with the volume adjuster and the mode selector and is used for controlling the volume adjuster to output an adjusting instruction for adjusting the volume according to an external control signal and controlling the mode selector to output a selection instruction for a playing mode;
the input end of the volume adjuster is connected with the input interfaces, the output end of the volume adjuster is connected with the output distribution module, and the volume adjuster is used for adjusting the volume of the audio signal transmitted by each input interface, binding the port number of the input interface, integrating the audio signal into an audio packet and transmitting the audio packet to the output distribution module;
the input end of the mode selector is connected with the input interfaces, the output end of the mode selector is connected with the output distribution module, and the mode selector is used for selecting an output mode for the audio signal transmitted by each input interface, binding port numbers of the input interfaces, integrating the mode selection instruction packet into a mode selection instruction packet and sending the mode selection instruction packet to the output distribution module;
and the output distribution module unpacks the audio packet and the mode selection instruction packet, acquires the audio signal and the mode selection instruction after volume adjustment corresponding to each port number, loads the mode selection instruction on the audio signal after volume adjustment to obtain port audio, and distributes the port audio to the corresponding output interface according to the port number.
2. The sound operating system of a flight simulator according to claim 1, wherein the plurality of input interfaces are configured to receive multiple independent sound signal inputs, each input interface corresponding to a sound signal input, and the input interfaces include a steady state sound input interface and a transient state sound input interface.
3. The sound operating system of a flight simulator according to claim 1, wherein the input end of the volume adjuster is connected with a plurality of input interfaces for setting the volume of the input sound signals differently, and each sound signal is adjusted independently.
4. The sound operating system of a flight simulator of claim 1, wherein the output mode of the mode selector comprises a play mode and an effect mode, the play mode comprising loop play and single audio play; the sound effect modes include a high frequency to mid frequency fade ratio, mid frequency reverberation fade time, a value to control modal density and a value to control echo density in late reverberation decay, early reflection level for ambient effects, late reverberation delay time relative to initial reflection, late reverberation level relative to ambient effects.
5. The system of claim 4, wherein the recurring playback mode comprises a number of cycles parameter and a duration of a cycle interval parameter.
6. The sound operating system of a flight simulator according to claim 1, wherein the sound controller is further connected with a communication interface, and the communication interface is connected with a training command center and used for receiving control parameter inputs of the volume regulator and the mode selector, and inputs of a corresponding list of port numbers of the input interface and the output interface.
7. The sound operating system of a flight simulator according to claim 6, wherein the output allocation module searches for an output interface corresponding to the port number according to the input interface port number and output interface correspondence list.
8. The sound operating system of a flight simulator according to claim 1 or 7, wherein each output interface is correspondingly connected with a sound, and a plurality of sounds are distributed at different positions in a training cabin of the flight simulator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010038501.4A CN111091740A (en) | 2020-01-14 | 2020-01-14 | Sound operating system of flight simulator |
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| CN202010038501.4A CN111091740A (en) | 2020-01-14 | 2020-01-14 | Sound operating system of flight simulator |
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