First, a 440hz tone will play on the LEFT side. Then, it will stop and play a 440hz tone on the RIGHT side. This is for testing which side is which, and if your stereo system is working properly.
1000 Hz tone, created by Denelson83 Note on playing this audio clip This audio clip is an en:Ogg Vorbis file. For a list of compatible media players, see the article at [1].
Author: The original uploader was Denelson83 at English Wikipedia.
A short signal for text message arrival. It's a monophonic, square wave synthesis. Made to sound like old times, when cellphones didn't play mp3 files. Synthesised with zynaddsubfx inside lmms, edited and normalized in audacity.
A kind of radio interference recorded at 04/04/2020 during covid-19 quarantine in spain. Recorded with a tascam dr 05 v2. Acording with other freesound users from it can be a 3g-2g radio interference. Https://freesound. Org/forum/freesound-project/42238/.
Iphone 6 taking pictures - recorded as a wav file on a blue snow ice condenser mic - used audacity to compress and remove any background noises. 4-5 pic taking sounds, with silence between them.