During a stay at my mother's in the heart of France recently, I noticed how there were literally hundreds of male frogs doing their chorus in the night. This choir was actually keeping us all awake, it was that loud Luckily I had a recording set with me. For those interested in a 14 minutes long chunk out of the hours of croaking ribbits I'm now in posession of, here it is in Ogg Vorbis format. The original recordings are worth money (man), so I'm not handing this out uncompressed. This high bitrate Ogg Vorbis example is pretty much transparent though. Now for the mystery I want to solve: While this (example) recording was made, I was a couple of hundred meters away from the mics. Left it…