La tecnología de alta fidelidad

The video tutorial explains how sound devices vary in size and function, focusing on a 3-way hi-fi speaker. It details the components of the speaker, including the tweeter, media speaker, and woofer, and how they cover the entire frequency spectrum. The mechanism of sound production is described, highlighting the role of electromagnets and voice coils. The process of transforming electrical signals into sound waves is explained, along with the function of the electronic filter board in dividing signals into channels for different speaker components.

What are the three components of a basic 3-way hi-fi speaker?

• Receiver, transmitter, and antenna

• Microphone, speaker, and amplifier

• Amplifier, tweeter, and subwoofer

• Twitter, media speaker, and buffer

How does the cone in a speaker produce sound?

• By expanding and contracting

• By rotating in circles

• By moving back and forth

• By vibrating side to side

What role does the electromagnet play in a speaker?

• It converts sound waves into electrical signals

• It filters the sound frequencies

• It moves the cone to displace air

• It amplifies the sound

How are sounds such as music transformed for speaker output?

• They are turned into digital codes

• They are changed into magnetic waves

• They are transformed into electrical signals

• They are converted into light signals

What is the function of the electronic filter board in a speaker system?

• To synchronize the sound with video

• To divide the signal into channels for different components

• To convert sound waves into electrical signals

• To amplify the sound