Digital Audio
Word length, also known as bit depth, defines the number of bits used per sample in digital audio, determining the available dynamic range and resolution.
Each digital audio sample is stored as a binary “word” of fixed length, with longer words allowing more precise amplitude representation. A 16-bit word length provides about 96 dB of dynamic range, while 24-bit offers up to 144 dB.
Higher word lengths reduce noise and distortion, enabling greater headroom during mixing and processing. Maintaining consistent word length throughout recording and mastering helps preserve audio fidelity before final bit-depth reduction for distribution.
