The Pulse-Train Method and its Application to The Measurement of Phonograph Cartridges
Teruo Muraoka, Hideo Onoye · IEEE Transactions on Consumer Electronics · 1977
Conventionally, a sweep oscillator and a coordinating pen-recoder are often used to measure a transfer function of audio devices. However, an impulse signal has been found to be convenient to measure such a characteristic where the transfer function is invariable with respect to driving signals in the linear system.