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For convenience, the range of audible frequencies can be divided into five groupings.
Low bass (20 to 80 Hz) includes the first two octaves. These low frequencies are associated with power and are typified by explosions, thunder, and the lowest notes of the organ, bass, tuba, and other instruments. Too much low bass results in a muddy sound.
Upper bass (80 to 320 Hz) includes the third and fourth octaves. Rhythm and support instruments such as the drum kit, cello, trombone, and bass use this range to provide a fullness or stable anchor to music. Too much upper bass results in a boomy sound.
Mid-range (320 to 2,560 Hz) includes the fifth through seventh octaves. Much of the richness of instrumental sounds occur in this range, but if over-emphasised a tinny, fatiguing sound can be the result.
Upper mid-range (2,560 to 5,120 Hz) is the eighth octave. Our ear is very particular about sound in this range, which contributes much to the intelligibility of speech, the clarity of music, and the definition or "presence" of a sound. Too much upper mid-range is abrasive.
Treble (5,120 to 20,000 Hz) includes the ninth and tenth octaves. Frequencies in this range contribute to the brilliance or "air" of a sound, but can also emphasise noise.
Sounds below 20 Hz are infrasonic; sounds above 20 kHz are ultrasonic. It is a matter of debate how much frequencies in these ranges affect hearing.
Herfra.
For convenience, the range of audible frequencies can be divided into five groupings.
Low bass (20 to 80 Hz) includes the first two octaves. These low frequencies are associated with power and are typified by explosions, thunder, and the lowest notes of the organ, bass, tuba, and other instruments. Too much low bass results in a muddy sound.
Upper bass (80 to 320 Hz) includes the third and fourth octaves. Rhythm and support instruments such as the drum kit, cello, trombone, and bass use this range to provide a fullness or stable anchor to music. Too much upper bass results in a boomy sound.
Mid-range (320 to 2,560 Hz) includes the fifth through seventh octaves. Much of the richness of instrumental sounds occur in this range, but if over-emphasised a tinny, fatiguing sound can be the result.
Upper mid-range (2,560 to 5,120 Hz) is the eighth octave. Our ear is very particular about sound in this range, which contributes much to the intelligibility of speech, the clarity of music, and the definition or "presence" of a sound. Too much upper mid-range is abrasive.
Treble (5,120 to 20,000 Hz) includes the ninth and tenth octaves. Frequencies in this range contribute to the brilliance or "air" of a sound, but can also emphasise noise.
Sounds below 20 Hz are infrasonic; sounds above 20 kHz are ultrasonic. It is a matter of debate how much frequencies in these ranges affect hearing.
Herfra.