This International Standard specifies the measuring methods for recording and reproducing equipment for MiniDiscs that conform to the specifications of IEC 61909. NOTE 1 For convenience, this recording and reproducing equipment will be referred to as “MD recorder” hereinafter. The reproducing part of this equipment or equipment with only a reproducing function will be referred to as “MD player” throughout the text of this standard. If there is no risk of misunderstanding, the term “MD recorder” will be generally used. NOTE 2 This standard does not include specifications for listening tests (see IEC 60268-13). The object of this standard is to list and define the characteristics affecting the performance of MiniDisc recorders or players, to establish conditions and methods of measurement of those characteristics, and to standardize the presentation of the results.