This only happend to me once in my life and it hurt(i went to the hospital after this attack). I used a device that can give me almost the clearest possible sound of my heart beat. Also i gave the very tiny parts where my heart was beating at 400-600 an extreme amplification because those parts are very quite.
A skinny balloon deflating suddenly after being removed from a pump. There are some breathy, hissing noises at the start as i fumble with the balloon. Recorder: olympus digital voice recorder. Microphone: sony ecm-ms907.
Quickly opening and closing curtains. Recorded with zoom h6 recorder and rode ntg-2 shotgun microphone. Cleaned with reaper. Feel free to leave a link to the project that you used this sound in. Would love to see and hear how you used the sound. :).
The sound of ethanol being burned out of a glass jug. This sound was made by putting a small amount of ethanol into a glass jug and allowing the vapors to fill the container. Then a flame was held to the mouth of the jug creating a jet of fire. Link to video with sound: https://imgur. Com/s2xdbs5. The sound was recorded on a zoom h4n recorder. Jan/32/19.
Making a concert snare drum do a roll(style of playing a note) at high speeds with a massage gun at its highest speed (could be interpreted as an a-10 minigun 30mm).
