Definitions

1. noun

A band or group of frequencies within a larger band, especially in a digital signal.

“The audio processor divided the sound signal into multiple subbands for noise reduction.”

2. noun

A subgenre or style of music, often associated with a particular time period or region.

“The subband of 1970s folk rock had a significant influence on contemporary singer-songwriters.”

3. verb

To divide or separate a band of frequencies, especially in a digital signal.

“The software can subband the audio signal to remove unwanted noise.”