the frequency of a sound can change depending on how fast the source is vibrating
Do it in settings.
Schools use different sounds to signal a class change such as a bell, a tone, or someone's voice. In some schools, the teacher states when it is time to change classes.
Actually, pitch refers to the perceived frequency of a sound. Higher pitch sounds have higher frequencies, while lower pitch sounds have lower frequencies. So, when you hear a change in pitch, you are perceiving a change in the frequency of the sound.
While on the home screen, touch the menu button to open the menu. Choose "settings." Then choose "Sound and Display." This is where you change your notification sounds.
change the muffler
Click Start>Control Panel>Sounds>Change System Sounds
Yes, this phone has 3 Polyphonic sounds, 4 MIDI sounds, 10 melodies for ringers. You should be able to enjoy many different sounds with this phone
Right-click the speaker icon on your task-bar and left-click sounds. This will open up a new window with various user-settings - just change what you want, and click Apply.
When sounds overlap, they can create interference patterns known as interference or inharmonicity. This can result in a phenomenon called constructive interference, where the sounds reinforce each other, or destructive interference, where the sounds cancel each other out. The interference can change the overall quality and perceived loudness of the sounds.
I have no clue, but it sounds tricky
Sounds more like a translation.
Banging a guitar will render it inoperable.