Definition

1. Noun:
   • Sound: A vibration that travels through a medium (such as air, water, or solids) and can be heard when it reaches a person's or animal's ear. It is a physical phenomenon perceived by the sense of hearing.
   • Audio: Often used to refer to the audible component of a broadcast, recording, or performance, as opposed to the visual component.

Usage

• âm thanh is a common, general term for any type of sound, from noise to music.
• It is often used in technical, scientific, and everyday contexts.
• It functions as a noun and can be modified by other nouns or adjectives to specify the type of sound.

Usage Examples

• Noun:
  • Âm thanh của tiếng chim hót thật dễ chịu. (The sound of birds singing is very pleasant.)
  • Phòng này có âm thanh rất tốt. (This room has very good acoustics / sound.)
  • Hãy điều chỉnh âm thanh trên TV. (Please adjust the sound on the TV.)
  • Tốc độ âm thanh nhanh hơn trong nước so với trong không khí. (The speed of sound is faster in water than in air.)

Advanced Usage

• "âm thanh nổi" (stereo sound): Refers to sound that is directed through two or more channels to create a sense of spatiality.
  • Chiếc loa này phát ra âm thanh nổi rất sống động. (This speaker produces very vivid stereo sound.)
• "âm thanh mono" (monaural sound): Sound coming from a single channel.
• "chất lượng âm thanh" (sound quality): The characteristics and fidelity of reproduced sound.
  • Chất lượng âm thanh của bản ghi âm này rất cao. (The sound quality of this recording is very high.)

Variants and Related Words

• Âm (noun): A more general or classical term for sound or tone, often used in compound words (e.g., âm nhạc - music, âm sắc - timbre, âm vực - vocal range).
• Tiếng (noun): Often translates to "sound," "noise," or "voice." It is more colloquial and often refers to a specific instance or source of sound (e.g., tiếng nói - voice/speech, tiếng động - noise).
  • Âm thanh is more technical/formal; tiếng is more everyday.
• Âm học (noun): Acoustics (the science of sound).

Synonyms

• Tiếng: sound, noise (more specific to a source).
• Tiếng động: noise (often implying an unwanted or sudden sound).

Related Phrases / Compound Terms

• Hàng rào âm thanh (sound barrier): The sharp increase in aerodynamic drag as an object approaches the speed of sound.
• Sóng âm thanh / Âm ba (sound wave): A longitudinal wave of pressure transmitted through a medium.
• Ô nhiễm tiếng ồn / ô nhiễm âm thanh (noise pollution): Harmful or annoying levels of noise.
• Kỹ sư âm thanh (sound engineer): A professional who works with the technical aspects of sound.
• Hệ thống âm thanh (sound system): A set of equipment for reproducing sound.

noun

1. Sound
   • âm thanh truyền đi chậm hơn là ánh sáng
     sound travels more slowly than light
   • tốc độ âm thanh
     the speed of sound
   • hàng rào âm thanh
     sound barrier
   • sóng âm thanh, âm ba
     sound-wave