âm tần

Âm tần của tiếng chim hót rất dễ chịu.

Definition

1. Noun:
   • Audio frequency: The range of sound wave frequencies that can be heard by the human ear, typically from about 20 Hz to 20,000 Hz.
   • Sound frequency: In physics and electronics, a frequency within the audible spectrum or pertaining to sound signals.

Usage Examples

• Noun:
  • Thiết bị này xử lý tín hiệu âm tần rất tốt. (This device processes audio frequency signals very well.)
  • Âm tần của tiếng nói con người nằm trong một dải cụ thể. (The audio frequency of human speech lies within a specific range.)

Advanced Usage

• In audio engineering, "âm tần" refers to the signal before it is modulated for transmission or after it is demodulated in a receiver.
  • Mạch khuếch đại âm tần cần độ trung thực cao. (The audio frequency amplifier circuit requires high fidelity.)

Variants and Related Words

• Tần số âm thanh (n): Sound frequency. A synonymous phrase.
• Tín hiệu âm tần (n): Audio frequency signal. A common compound term.

Synonyms

• Audio frequency: The standard technical term.
• Sonic frequency: Pertaining to sound waves.

Related Technical Terms

• Tần số siêu âm (n): Ultrasonic frequency (above human hearing).
• Tần số hạ âm (n): Infrasonic frequency (below human hearing).