Time doman measurement of moving coil loudspeaker driver paramet

Details Time doman measurement of moving coil loudspeaker driver paramet Time doman measurement of moving coil loudspeaker driver paramet

1980-03-28

1981-08-18

Robinson, Thomas A.

H04R 2900

Patent

active

042848601

ABSTRACT:
A novel method for the measurement of the Thiele-Small small-signal parameters of a moving-coil electromagnetic transducer driver is disclosed. The technique is based on a time domain analysis of the transient response of a loudspeaker voice coil circuit to a current step of excitation. By sampling the damped sinusoidal transient generated by such an excitation, the loud-speaker parameters can be calculated from a linear predictive analysis of the recorded data.

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patent: 3705409 (1972-12-01), Brayton et al.
patent: 3997724 (1976-12-01), Seebinger
patent: 4039767 (1977-08-01), Leschek
patent: 4065647 (1977-12-01), Frye et al.
patent: 4095057 (1978-06-01), Power et al.

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