Audio Generators : Bruel And Kjaer 4100D

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Bruel And Kjaer 4100D
放大图片Bruel And Kjaer 4100D

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Bruel and Kjaer 4100D - Sound Quality Head and Torso Simulator Type 4100D is a manikin designed for sound quality testing. Two microphones, positioned at the entrances to the ear canals on the manikin?s head, simulate the spatial separation from ear to ear of a human head and ensure a signal that includes the interference patterns caused by the head and upper body. This gives an extremely accurate three dimensional recording. Two moulded-silicone pinna simulators sit around the microphones to provide directivity patterns similar to the human ear. The simulator has a sound-dampening fabric cover which slips easily over the manikin?s neck. This assists in changing the reflections from the body and shoulders to obtain the correct directivity. The position of the head can be adjusted by turning the neck ring so that the head looks straight forward or slightly down at an angle of 17 degrees. Microphones are easily installed or removed by screwing or unscrewing them from the ear cavities. Types 4100 and 4100D contain IEEE P1451.4-capable transducers with standardised Transducer Electronic Data Sheets (TEDS). This feature allows automatic front-end and analyzer setup, based on information stored in the transducer. This information includes, for example, sensitivity, serial number, manufacturer and calibration date.
  • 制造商: Bruel And Kjaer
  • 模型: 4100D