New Methods of Amplifier Performance Evaluation

Fujii T, Kumaki S, Sato T. New Methods of Amplifier Performance Evaluation. In: AES Convention 62. Audio Engineering Society; 1979. Paper 1440. Available from: https://aes.org/publications/elibrary-page/?id=2914

@inproceedings{Fujii1979_2914,
  author = {Fujii, T. and Kumaki, S. and Sato, T.},
  title = {{New Methods of Amplifier Performance Evaluation}},
  booktitle = {AES Convention 62},
  note = {Paper 1440},
  year = {1979},
  month = mar,
  publisher = {Audio Engineering Society},
  url = {https://aes.org/publications/elibrary-page/?id=2914}
}

TY  - CPAPER
TI  - New Methods of Amplifier Performance Evaluation
AU  - Fujii, T.
AU  - Kumaki, S.
AU  - Sato, T.
T2  - AES Convention 62
M1  - Paper 1440
PY  - 1979
DA  - 1979/03/06
UR  - https://aes.org/publications/elibrary-page/?id=2914
PB  - Audio Engineering Society
LA  - en
AB  - In this paper, we will introduce two new methods of evaluating amplifier performance. One of these consists of a three-dimensional graphic representation (called 3-dimensional analysis) of all significant relationships between the three most relevant measurable factors (distortion, frequency, and dynamic range) of amplifier performance. Data obtained by spectrum analysis is correlated and analyzed by a computer. The 3DA profile thus obtained gives a comprehensive overview from which one can easily grasp an amplifier's performance characteristics at a single glance. The other new method makes possible real-time analysis of distortion components generated using a music input signal. This I/O (input/output) distortion analyzer system allows one to investigate the degree of similarity between an amp's input and output waveforms, and to extract the difference signal (i.e., distortion components) alone.
ER  -