4 безкоштовних аудіофайлів для "Unfiltered Audio"

A randomized atmosphere created using vcv rack and unfiltered audio silo granular reverb.

Processed version of:https://freesound. Org/people/toiletrolltube/sounds/422056/which is itself a processed version of:https://freesound. Org/people/gis_sweden/sounds/417382/. Signal chain was as follows:1) gate (otherwise the quiet parts would have a lot of digital sounding noise after processing)2) spectral processing (frequency reversing) applied using unfiltered audio's specops vst plugin. 3) reverb4) slight compression. Effects 1), 3) an 4) above were applied using ableton live's built in effects.

Field recording of a summer afternoon (28th june, ~20:30) in berlin lichtenberg. The recorder (edirol r-09rh) was set in a very high building, therefore the sound consists mainly of ambient noise, eventually with subtle concrete sounds (birds, childs, dogs, sirens,. . . ). The audio is unfiltered, so it's dominated by low-frequency energy. Filter as you wish :). (the web preview seems to have some high frequency artifacts. Download the wav file to get it on full quality).

Non-functional tube radio warming up, making a loud 60hz hum with lots of harmonics. As a bonus it clicks off at the end. Zenith consoltone. Only because the faq says so: electro voice n/d 257a through impedance transformer into crappy gigabyte motherboard realtek high definition audio. 16bits, processed at 32bits. Audacity sound editor and/or driver wouldn't record mic level so it was very noisy after amplification. Filtered with a (mathematically equivalent) fft constructed whopping 64k length zero phase filter (blackman window) with 5 wavelength width bandpass at each harmonic from 60hz to 5,520hz. For some reason a fraction of some of the harmonics didn't get through so did another pass on the residual noise and mixed that in. Near the beginning there was a sort of brief duplicate signal that descended in pitch so it didn't make it through the filter. I added that bit in. Attenuated frequencies above 3. 6khz because they are pretty much noise, but removing them didn't sound right. Cleaned up the beginning a bit in various ways, cut it down to 15 sec and carefully appended the unfiltered "click" onto the end, which i denoised 12db with audacity's noise reduction.