Bihar STET Computer Science – Multimedia Set 2

Standard Audio CDs (Red Book CD-DA) use a sampling rate of 44.1 kHz with 16-bit depth per channel.

Bit depth specifies the number of bits used per sample, directly establishing amplitude accuracy and signal-to-noise ratio.

Frequencies above the Nyquist limit fold back into the audible spectrum, creating false lower-frequency aliasing noise.

An anti-aliasing low-pass filter removes all frequency components above the Nyquist frequency prior to sampling.

A standard MIDI stream contains 16 logical channels, allowing up to 16 distinct instruments to play simultaneously over one cable.