Digital reconstructing of harmonics to extend band of frequency

Details Digital reconstructing of harmonics to extend band of frequency Digital reconstructing of harmonics to extend band of frequency

1991-10-23

1993-11-30

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

General processing of a digital signal

369124, 84660, G11B 2010

Patent

active

052670953

ABSTRACT:
A PCM digital audio signal playback apparatus is provided for extracting from the digital audio signal read out from a recording medium an original signal component ranging lower than 1/2 of its sampling frequency fs, producing a harmonic from the original signal component, extracting a harmonic component ranging higher than fs/2 from the harmonic, and adding the harmonic component to the original signal component. Accordingly, a high-frequency carrying signal, e.g. an impulse, is processed without causing ringings in the waveform response.

REFERENCES:
patent: 4700390 (1987-10-01), Machida
patent: 4750180 (1982-06-01), Doyle
patent: 4853797 (1989-08-01), Yamada et al.
Lathi "Modern Digital and Analog Communications Systems" 2nd ed. 1989 pp. 81-82.
J. R. Watkinson, "Compact Disc Players-2", Electronics and Wireless World, vol. 91, No. 1597, Nov. 1985, pp. 23-33.
"Chips for Digital Audio", 2420 Elector, vol. 9, No. 1, Jan. (1983), pp. 1-36.varies.1-42.
Proceedings of the ICCE 85, vol. III, No. 3.3, Jun. 5, 1985, pp. 46-47, D. Guedhart et al. "Lowpass Filter and Output Circuits for . . . ".
Immink et al., "Digital Audio Modulation . . . ", Journal of the Engineering Society, vol. 32, No. 11, Nov. 1984, pp. 883-888.

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