Low frequency: generally refers to the frequency range of 20HZ-160HZ. Among the sounds that can be heard by the human ear, low frequency is the basis of the sound and the thickness of the sound.

Analysis: Music files come in different formats, the most common ones are mp3, wma, wav, and asf formats. Analysis is to interpret the disk recording information of these files, and then you can listen to the music..

Female voice: it is the sound of a woman singing..

Human voice: it is the sound of a person singing, not the sound of an instrument..

Light music: light music (LIGHT MUSIC) refers to a popular music form between classical music and pop music. Light music interprets music in a popular way, and its source can be original or adapted from classical music, pop music or folk songs. Light music is generally played by small bands, with simple structure, bright rhythm and beautiful melody. Light music can create a warm and romantic mood with a casual nature, so it is also called "Mood Music".

Popular: Popular music is a kind of music with a wide audience. Attractive music compared to art music stations and traditional music. Pop music is a general term for music that is enjoyed by everyone regardless of age and "refined and popular"...