![]() ![]() Subjective assessment of small impairments in audio systems." On, section 8.3.4.1 Operational In 1994 (updated in 2015), the ITU produced a " Recommendation ITU-R BS.1116-3 (02/2015) Methods for the When equalizing a sound reproduction system for critical listening purposes. Over time, this became known as the B&K "houseĬurve." For decades, professionals and amateurs alike have used the B&K house curve (or target response) Looking at the frequency response plot, the gradual roll-off starts at -0.5 dB atĢ00 Hz, -3 dB at 2 kHz, and -6 dB down at 20 kHz. "The optimum curve for HIFI equipment measured in the actual listening room." While the curve is smooth, itĭoes have a gradual roll-off. using 1/3 octave, pink-weighted, random noise." See Figure 5: Hi-Fi dealers' demo rooms in the home etc. In 1974, Bruel and Kjaer instruments wrote an application note on, " Relevant loudspeaker tests in studios in There is more to it than just a "house curve". ![]()
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