APKPure Appを使用する
Purple Noiseの旧いバージョンをダウンロードすることが可能
高周波に焦点を合わせた真のリアルタイムパープルノイズジェネレーター。
Purple noise (also known as violet noise) is inverted version of brown noise that has higher energy at higher frequencies (even more than blue noise).
It can help you with relaxation, improved focus and better sleep.
Because of higher frequencies it can mask audio that may sound like tinnitus.
Features:
★ True generated purple noise (no pre-recorded audio).
★ Simplicity.
★ Volume controlled by physical buttons or in-app.
★ Handy notification controls.
★ Low battery usage.
★ Shutdown timer for sleep.
★ Great for sleep / relax / focus.
How to:
Just press big "Play" button and purple noise will be played, then you may stay in app or press home / back to continue playing.
Disclaimer: This is not medical advice.