IEC 61260-1:2014-Electroacoustics – Octave-band and fractional-octave-band filters – Part 1: Specifications
IEC 61260-1:2014-Electroacoustics – Octave-band and fractional-octave-band filters – Part 1: Specifications
IEC 61260-1:2014-Electroacoustics – Octave-band and fractional-octave-band filters – Part 1: Specifications