Question

why this sounds are different ?​

Answer 1

Answer:

As you know, there are many different sounds. Fire alarms are loud, whispers are soft, sopranos sing high, tubas play low, every one of your friends has a different voice. The differences between sounds are caused by intensity, pitch, and tone. Sound is a wave and waves have amplitude, or height.

Explanation:

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Answer 2

Question:--

[Note: Read the Answer Carefully]

Why this sounds are different?

Answer:-

There are many different sounds. Fire alarms are loud, whispers are soft, sopranos sing high, tubas play low, every one of your friends has a different voice. The differences between sounds are caused by intensity, pitch, and tone. Sound is a wave and waves have amplitude.

More to know:

One important thing he focuses on is the mix of different harmonics in a sound-- the fundamental plus all the overtones above it. In your question you ask why the voices of different people sound different, so I'll add a little bit about that.

When people sing, their vocal cords vibrate (say, at 132 Hz for the low C that Mark mentioned), and then that sound resonates in the person's diaphragm and head. The exact shape and quality of their body acts as a filter to the original sound from their vocal cords, meaning it "rebalances" the stack of harmonics by cutting some away and making others more noticeable. It acts the same way as the soundboard of a piano or the resonant body of a guitar. Without the body surrounding the vocal chords, they would hardly carry at all and I doubt they would be recognizable as a human voice.

Part of this is in the control of the singer.

For example:

By changing the shape of their mouth, but part of this is just inherent to that particular person's anatomy.

As a toy example,

Maybe it just happens that the width of the person's nasal cavity is exactly right for it to resonate at C6. So that frequency will be more noticeable in the mix of harmonics when a person sings (actually everything is a much more complex shape, but you get the idea). All of this taken together is known as the "frequency response" of an acoustic space, and different people have different frequency responses.

There are also anatomical differences in people's vocal cords that affect the source sound even before it gets filtered by the body. They are muscles and can be strong or weak, big or small, pinched or open. For example, this is probably why Janis Joplin's voice is so distinctive-- something crazy was going on in her throat. I don't know anything about anatomy so I'll just leave that here.

Thanks for Scrolling.