If you personal a drone, you’ve in all probability struggled with the frustration of attempting to file audio regardless of the difficulties that include it, and questioned whether or not that is even doable? Well, I’ve completed my analysis, and right here’s what I discovered.
The easy reply to that is no, drones can not file sound as they don’t include a built-in microphone. However, an exterior mic could be connected to the drone to file audio, however the sound of the prop sound and wash will drown out the sound. Fortunately, you need to use your controller gadget on sure drones to file audio.
With that being stated, let’s take a more in-depth have a look at why that is so, and what different choices you possibly can contemplate so as to seize respectable audio efficiently together with your drone!
Why Can Drones Not Record Audio?
While it could appear to be a large oversight, drones don’t include a built-in recording gadget.
This is due to the truth that there are such a lot of different sounds that can disrupt the standard of the audio, making this a pointless endeavor for each the producer and the patron!
As you possibly can think about, it could be fairly tough to file any respectable audio whereas your drone is hovering a whole lot of meters within the air with noisy props buzzing about proper subsequent to the recording gadget.
However, let’s take a more in-depth have a look at why recording audio together with your drone is just a little trickier than you initially presumed:
Most drones depend on electrical motors so as to fly. Despite the truth that electrical motors are typically fairly quiet, this doesn’t imply that they don’t produce any noise in any respect.
In reality, they’ll produce a low buzzing sound that can most actually carry over into your audio recording—and it’s going to sound fairly annoying, to say the least!
Prop wash is a time period used to explain the sound of the propeller blades as they swish the air round them so as to fly.
This sound is definitely fairly loud, and can most actually break any recording you try and make with a microphone connected to your drone.
The sheer noise of the wind itself across the drone will utterly drown out any recording you are trying to seize. Trust me, it’s not a nice sound!
Even for those who have been sensible sufficient to silence out the sounds of the propellers and the electrical motor’s buzzing, this drawback would nonetheless persist.
Microphone Directional Characteristics
Even for those who have been to connect a microphone to your drone, the sheer noise of all of the buzzing across the drone would drown out the audio.
This is as a result of microphones are both bidirectional, omnidirectional, or unidirectional in nature, which means that the mic picks up sounds from numerous instructions, some from greater than one after the other.
Your most suitable choice right here could be to pick out a microphone that’s unidirectional (Cardioid and Hypercardioid). This implies that the mic solely picks up sounds from one route, which means that there’s just one supply of noise in comparison with a number of.
Therefore, you need to attempt to see if you will get maintain of a Cardioid microphone so as to efficiently file audio together with your drone.
With that being stated, there are different strategies you possibly can attempt so as to efficiently file audio together with your drone, so hold studying to search out out!
Alternative Methods Of Recording Audio With Your Drone
Using a Standalone Voice Recorder
This is without doubt one of the extra frequent strategies to file audio in your drone. You can merely connect the voice recorder to your self as a substitute of the drone, and the gadget will file the sounds round you.
So, the recording is not going to be from the flight itself, which can resolve the issue of the noise from the wind and propellers.
The solely subject right here is that you would need to sync the audio with the video after you’ve got completed your flight, which could be a bit tedious.
Many individuals use the clapping methodology after they start recording the audio, as this can be utilized as a degree of reference if you return and hearken to the recording.
This methodology provides you the choice of getting a separate audio recording which you could add to the video afterward. This is actually one of many less complicated strategies, nonetheless, it does require a sure stage of technical expertise and information so as to know the best way to use this specific software program.
Using a Microphone On Your Controller Device
If you occur to personal a DJI drone, there’s an app you need to use to file sound from a microphone on the gadget you’re utilizing to fly and management your drone—this app is known as DJI GO 4.
If you personal an iPhone or an iPad, you need to use the recorder on these units to file the audio. Again, this is not going to file the sound from the precise flight, however it should file the sounds round you.
The audio file will then be saved in your iPhone or iPad, not the drone itself. You will then must obtain the cache in your laptop so as to add it to your video cache that has been taken from the drone video footage.
This app is suitable with a lot of the newest fashions of DJI drones together with the Mavic 2, Pro, Spark, Air, and Phantom 4.
If you wish to take a look at how this app works, you possibly can see it on one of many newer variations of the DJI GO 4 App.
In order for this to work, all you want to do is allow the choice for caching the transmission video after which allow the sound recording on the app itself. Simply choose “menu” beneath the final settings possibility.
Mounting The Microphone Underneath The Drone
This third possibility includes merely inserting a microphone about 20 to 30 ft beneath the drone. The objective of that is to attempt to decrease as a lot buzzing noise from the props as doable, whereas additionally trying to file different sounds.
This methodology of recording audio is useful in additional methods than one, which means you possibly can file real looking sounds out of your drone with out too much-buzzing noise from the drone.
So, what’s the catch?
Well, there’s one catch. Carrying the mic in that manner could end result within the mic swinging forwards and backwards because the drone strikes, making a pendulum impact that may truly trigger the prop to destabilize!
Additionally, the added weight of the mic can place stress on the drone, which may cut back the entire flight time. Not to say the swinging mic may doubtlessly latch onto objects close by resembling bushes or energy cables—this might get very messy!
In my private opinion, trying so as to add audio sound to your video footage virtually looks as if extra bother than it’s value as a consequence of all of the technicalities concerned. The effort would virtually be value it if the sound high quality was wonderful, nonetheless, that is actually not the case!
Going ahead, we will solely hope that main drone manufactures, significantly DJI, make this course of just a little extra user-friendly, particularly for drone hobbyists!
Can I edit out the buzzing noises from the drone’s audio utilizing software program?
Low buzzing sounds can certainly be eliminated utilizing good high quality sound enhancing software program, however the outcomes could also be lower than fascinating. However, you possibly can make the most of what is named noise gates or noise discount, which individuals typically use to filter out very low-humming background noises, resembling a pc fan.
Unfortunately, this is not going to be as efficient on a drone because the sound of the props is just too loud, and different noises that you could be need in your audio will probably be severely distorted in consequence.