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Audio Formats
Audio Formats
- WAV, AU, AIFF, VQF, and MP3.
MP3 is dominant
- MP3 is short for MPEG-2, audio layer 3 file.
- MP3 employs both lossy and lossless compression.
- First it analyzes the frequency spread and compares it to mathematical models of human psychoacoustics (the study of the interrelation between the ear and the brain), then it discards information that can’t be heard by humans. Then the bit stream is compressed using a form of Huffman encoding to achieve additional compression.