⁽²⁰⁾ Full-length lesson footage (🎧 radio recording)
Channel: Born-to-Crawl
Date: 2020-12-14

𝙇𝙖𝙨𝙩 𝙡𝙚𝙨𝙨𝙤𝙣: 🛬 https://youtu.be/OXheqdQURZY 🛫
This is my first attempt (or rather, first which was somewhat successful...) to catch recording of what I heard and spoke by intercom and radio. Neither my headphones have external output nor my "Chinese GoPro" has external audio input, I'm experimenting with a creative idea picked somewhere in the internet. Small lapel mic (with TRRS connector) is inside one of my headset cup, thus listening to everything which I can hear myself while in the headphones. This idea proved to work marvelously.

Then it took me about 3hrs to teach myself to use 𝘬𝘥𝘦𝘯𝘭𝘪𝘷𝘦 software (in Linux) to combine all the video pieces together, replace their "natural" audio track (with propeller noises) and then repair missing track ending back by the natural recording (i.e. after engine stopped). Learning curve time aside, the approach worked great too, I even successfully cut off the part with audio-silence (as not having any other interesting points inside) and learned how to fade-in/out different parts together.

What didn't quite work as expected was making the recording audio by my android phone, where I used Voice Recorder app which can pick external mic's input. On standalone experiments, recordings were seamless, however, in the field conditions unexplained things happened: number of long time gaps of complete silence, the rest is sometimes going smoothly but sometimes with loud frequent (about 5Hz) crackling.

I'll keep experimenting in next recording attempts to trace the root cause, meanwhile, this recording can be concluded as successful (after some fierce cleaning of the crackle): it caught most of the dual part of the lesson and two last solo landings along with the circuit in between.

And BTW: I've found a GoPro mount spot (well, one of the instructor pointed my attention) right on the ceiling of my training aircraft! In fact, all three of the trainers have this mount, that was just me not noticing it as not expecting to find 21st century technology presenting in a mid-20st century machine. This was my attempt to mount a camera using a goose-neck with the mount point, however, the angle and height was not much successful, plus the vibration amplified by the extender is too visible. I'll prepare the camera for mounting without the goose-neck for the next flight.

𝙉𝙚𝙭𝙩 𝙡𝙚𝙨𝙨𝙤𝙣: 👉 https://youtu.be/R9PMq7poVAE 👈
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