MCOM 448 - Digital Audio Essentials Chapter 9 - Digital Audio Formats
exam review questions
(p.155) The abbreviation DRM stands for ________.
(p.155) MPEG stand for ________.
(p.157) Encoders apply complex mathematical programs called ________ to large pieces of the file being compressed, rather than to individual audio samples.
(p.157) A program that performs compression and decompression, or coding and decoding, is called a ________
(p.158) In many file types used for digital audio, the beginning of the file contains additional data called a ________, which defines the structure of the audio data that follows.
(p.158) One familiar example of metadata is the ________ tag that is an optional part of an MP3 file.
(p.159) Formats that store digital audio with absolutely no loss of information are said to be ________.
(p.160) An audio CD can hold ________ minutes of audio.
(p.161) By discarding unnecessary and redundant information, ________ formats can squeeze an audio file to about one-tenth of its original size without losing much quality.
(p.163) ________ is a multimedia format from Apple Computer that supports both streaming audio and streaming video.
(p.163) The first widely-used format for streaming audio over the Internet was ________.
(p.163) The dominant proprietary format developed by Microsoft for audio is ________