The first 500 people to use this link will get a 2 month free trial of Skillshare premium:

https://skl.sh/stevemould2

You can grab the white noise ringtone here:

https://stevemould.com/white_noise_ri...

OR, thanks to Musician Vahakn Matossian, you can use these lovely tones:

https://drive.google.com/open?id=1VO5...

The science of sound localization is really interesting. This video is specifically about interaural time difference and how mobile phone ringtones are badly designed for the way our brains detect sound direction. You can make you phone easier to find by changing the ringtone to white noise. Also, emergency vehicle sirens like ambulances are badly designed for the same reason.

The Tom Scott video I mentioned about reversing trucks is here:

   • Why Do Reversing Trucks Not Beep Any ...  

How to set a custom ringtone on android:

https://www.androidcentral.com/adding...

How to set a custom ringtone in iPhone:

https://support.apple.com/engb/HT207955

How to set a custom ringtone on Windows Phone:

?

Thanks to these amazing patrons on Patreon for supporting my channel:

Glenn Watson
Joël van der Loo

The Great Tit sounds are from the British Library:

https://www.bl.uk/collectionitems/gr...

Patreon:   / stevemould  
Twitter:   / moulds  
Instagram:   / stevemouldscience  
Facebook:   / stevemouldscience  
Buy nerdy maths things: http://mathsgear.co.uk