Specifies general requirements for the measurement of signal characteristics of playback systems.Cross References:IEC 60094-2:1994EN 60094-2:1995IEC 61041-1:1990EN 61041-1:1995IEC 61041-2:1994EN 61041-2:1996IEC 61041-3:1993EN 61041-3:1995IEC 61054:1991EN 61054:1993ITU-R Recommendation 471-1:1990EIA RS-189A:1976