Sounds change

prerequisite

you can login with ssh on your vacuum
VLC Vlc download
Filezilla Filezilla download

Step 1: Find your sound with the help of google, there are many free sound. Or you can record sounds yourself.

(https://www.google.com/search?q=free+sounds+download&oq=free+sounds+do&aqs=chrome.0.69i59j69i57j0l6.2577j0j4&sourceid=chrome&ie=UTF-8)

Step 2: Convert your sound with the help of vlc or another sound converter of your choice. (crtl+R in vlc)

Step 3: Select the audio file you wan't to convert

Step 4: Click on convert and select audio codec, then click on the small tool next to it.

Step 5: Change the sample rate to 44100khz, i got this information from a german source (German sounds change information ) There is also a nice list with all the filenames on this german page.

Step 6: Select a destination and hit start

Step 7: Open Filezilla and open up the site manager (crtl+s). Fill in your vacuum credentials and click on connect.

Step 8: Open the folder '/mnt/data/rockrobo/sounds'. Download the files, to make an backup.

Step 9: Upload your converted files with the correct filename ( (German sounds change information )

Step 10: Change file permissions to 777 ( right mouse button on the file, select 'file permissions...', fill in the box 777 and hit 'ok'

Step 11: Click on 'server' in the top bar of filezilla, 'enter custom command', type 'reboot', finally click on 'ok'.

If everything went right, your vacuum plays your new files.