Guides.
How to listen.
The practical side: how long to listen, whether you need headphones, and how brown, white and pink noise differ. Quick to read, easy to try tonight.
Do binaural beats work without headphones? Speakers, earbuds and bone conduction No. Binaural beats need two separate channels, one per ear. Through a speaker they mix in the air. Use stereo headphones, or isochronic tones on speakers. Brown noise vs white noise (and pink and green): which to use Brown noise vs white noise: white has equal energy at every frequency and hisses, brown drops 6 dB per octave and rumbles. Many prefer brown for sleep. How long should you listen to binaural beats, and when? Listen to binaural beats for 15 to 30 minutes for focus or rest, 30 to 45 for sleep. Start before the task, keep it quiet, and try it daily for a week.