In lossy <answer>audio compression</answer>, methods of psychoacoustics are used to remove non-audible (or less audible) components of the audio signal. Compression of human speech is often performed with even more specialized techniques; speech coding, or voice coding, is sometimes distinguished as a separate discipline from <answer>audio compression</answer>. Different audio and speech compression standards are listed under audio coding formats. Voice compression is used in internet telephony, for example, <answer>audio compression</answer> is used for CD ripping and is decoded by the audio players.
What is encoded by audio players?
audio compression