Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Codec listening test
open-in-new
<p>A codec listening test is a <a href="/facts/Scientific/IJoaD7rs">scientific</a> <a href="/facts/Experiment/esltM54f">study</a> designed to compare two or more <a href="/facts/Lossy/jHW7DDv3">lossy</a> <a href="/facts/Sound_reproduction/BMbpAWkE">audio</a> <a href="/facts/Codec/C7b7Am8t">codecs</a>, usually with respect to perceived <a href="/facts/Fidelity/v0aRSvLu">fidelity</a> or compression efficiency. </p><p>Most tests take the form of a <a href="/facts/Double-blind/6ALSxX8M">double-blind</a> comparison. Commonly used methods are known as "<a href="/facts/ABX_test/QUlVdhvE">ABX</a>" or "ABC/HR" or "<a href="/facts/MUSHRA/MovVw0sR">MUSHRA</a>". There are various software packages available for individuals to perform this type of testing themselves with minimal assistance. </p>