What are the 4 speech mechanism?

It's not quite accurate to talk about "4 speech mechanisms." There are actually a more complex system of interconnected parts working together to create speech. Here's a breakdown of the key components:

1. Respiration (Breathing)

* The Power Source: Air from the lungs provides the energy to create sound.

* Key Components: Lungs, diaphragm, intercostal muscles

2. Phonation (Voice Production)

* The Vibrator: The vocal folds (cords) in the larynx (voice box) vibrate to produce sound.

* Key Components: Larynx, vocal cords, muscles controlling the vocal cords

3. Articulation (Shaping the Sound)

* The Sculptor: The mouth, tongue, teeth, and soft palate change the shape of the air stream, creating different sounds.

* Key Components: Lips, teeth, tongue, hard palate, soft palate, alveolar ridge

4. Resonation (Amplifying and Modifying Sound)

* The Amplifier: The resonating cavities (pharynx, mouth, nasal cavity) amplify and modify the sound produced by the vocal folds.

* Key Components: Pharynx, nasal cavity, oral cavity

Think of it as an orchestra:

* Respiration: The wind instruments providing the air.

* Phonation: The main instrument (vocal cords) producing the basic sound.

* Articulation: The musicians manipulating the sound to create different notes.

* Resonation: The acoustics of the concert hall amplifying and shaping the music.

These four systems work in perfect harmony to allow us to communicate through speech.