The Rohde & Schwarz UPV Audio Analyzer has a bandwidth up to 250 kHz. In todays market it must be possible to carry out measurements on both analog and digital interfaces, which is where the Audio Analyzer R&S UPV comes in. The instrument performs nearly all measurements that occur in the audio world, ranging from frequency response measurements through distortion and spectral display to the analysis of digital interfaces. Several measurement functions can be performed and displayed simultaneously; in contrast to numerous other audio analyzers, all measurements in the audio frequency range are performed as true dual-channel measurements, cutting the measurement time for stereo applications by half. The generator is just as versatile, creating any conceivable signal from sinewave to noise; these signals can also be output with a user-selectable nominal frequency response.