When many people use labels to describe music reproduced as coloured or not accurate this can be topsy-turvy, or the opposite of reality. Many people call Hi Fi reproduction coloured when it may actually be a more faithful reproduction of the sound of an instrument such as the cello, what they call inaccurate reproduction is actually more accurate. The words neutral and uncoloured are frequently used as a litmus test for quality audio reproduction. In reality, what is often called neutral reproduction is highly coloured, as it is extremely poor representation of the timbral profile of music. (Timbre is what makes a particular musical instrument or human voice have a different sound from another, even when they play or sing the same note. It is the difference in sound between a guitar and a piano playing the same note at the same volume. Both instruments can sound equally tuned in relation to each other as they play the same note, and while playing at the same amplitude level each ...