Perceptual Effects of Dynamic Range Compression in Popular Music Recordings - January 2014
Accurate Calculation of Radiation and Diffraction from Loudspeaker Enclosures at Low Frequency - June 2013
New Measurement Techniques for Portable Listening Devices: Technical Report - October 2013
Non-Linear Crosstalk in Personal Computer Based Audio Systems
IEC and AES standards provide comprehensive tests for the performance of Audio analogue to digital (ADC)and digital to analogue (DAC)converters for both consumer and professional applications. It is usually assumed that the ADC is more likely to degrade audio sound quality than the DAC. Tests on two samples of a professional quality PC based audio system are presented that show that a stereo DAC can introduce unexpected non-linear effects. These results suggest that the Standards should include a measure of interchannel non-linear crosss talk in the stereo DAC. Results are presented and a DAC-ADC loop test proposed to enable this measurement to be made without using additional test equipment.
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