Amazing Solution For Drone Noise Cancellation
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עברית (Hebrew)
Taking camera shots from drones has become a common practice among videographers. However, one limitation of taking videos on drones is limited camera audio due to the sound of the drone. The noise caused by the operation of the drone renders any audio captured from the drone useless, especially when the audio of the surroundings can be a very important part of what is trying to be captured.
A patent granted to GoPro refers to a system to provide noise cancellation for an aerial vehicle. The system includes an audio signal filter that utilizes operational condition input parameters from components of the vehicle. These parameters act as a baseline of noise (i.e. vibrational and air noise) from the audio signal. The audio signal filter combines the analysis of vehicle component operational conditions and distances of the components from the microphone to filter the noise information from the operation of the drone.
With the ability to identify and process the additional noise sources the system can generate a baseline noise profile for the vehicle to be used by the audio filter. This baseline provides the user with a general starting point to further tune the noise parameters filtered by the system.
The implementation of an audio signal filter demonstrates an innovative way to pair two systems together creating an innovative approach to solve this particular problem, according to founderslegal.com.
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