sound quality tester / cement
Bruel and Kjaer
Sound Quality Head and Torso Simulators Types 4100 and 4100 D are manikins developed for the evaluation of the quality of sound. A huge range of modifications are enabled with the use of these Types 4100 and 4100-D manikins with the aid of sound quality soft wares on a PC. Then it becomes easier to modify the signals that had been recorded by comparing them with the actual sounds. If the altered signal is acceptable, the data on the alterations can therefore be utilized by the designer to get better sound enhancements and quality.