AudiFab is dedicated to downloading Spotify streaming music offline, enabling users to save their own playlist for local use.
Technically speaking, AudiFab software only records the unencrypted audio signals which are outputted to the system sound card, and this digital recording is not protected by effective copy-protection measures.
Chapter 10: Digital Audio Recording Devices and Media
1008. Prohibition on certain infringement actions
"No action may be brought under this title alleging infringement of copyright based on the manufacture, importation, or distribution of a digital audio recording device, a digital audio recording medium, an analog recording device, or an analog recording medium, or based on the noncommercial use by a consumer of such a device or medium for making digital musical recordings or analog musical recordings."
Source from: https://www.copyright.gov/title17/92chap10.html
So from this point of view, there is nothing to worry about recording Spotify music via AudiFab.
Generally speaking, Spotify cannot distinguish whether you're listening or recording. So recording won't be detected by Spotify.
However, Spotify produced a "high-speed" function a few years ago: Both the server and the PC software are able to work roughly 30 times as fast as in real-time. This cannot be used directly on Spotify, unless with the help of system tools that "make time run faster" for Windows applications.
"It has come to Spotify’s attention that your account has engaged in unauthorized use of the Spotify Service in violation of the Terms, including possibly engaging in unauthorized content downloads".
We speculate Spotify close some accounts, which have obviously used this "high speed" feature.
Recently, Spotify starts to suspend some accounts which have used the "High Speed" recording feature. It is noteworthy that such suspensions are not an immediate action, it also happened to users who last used AudiFab with high-speed months ago.
Therefore, it is unfortunately possible that, although you no longer use it from now on, you may still be affected in the future.
Fortunately, the problem can be solved relatively easily:
1. Contact Spotify, confirm that you're no longer to download the "illegal content" and appeal your account back. You could contact them at https://support.spotify.com/us/contact-spotify-anonymous/
2. Download the latest version of AudiFab, and choose "1X Conversion Speed" for real-time recording.
3. Please do not use any other Spotify converters, as many of them only allows high-speed recording.
We apologize that the availability of AudiFab's "high-speed recording" function may have caused you trouble, it was only intended to help you save some time.
If you have any other questions, please send an email to our support team at firstname.lastname@example.org