Title:
MEASUREMENT DEVICE, MEASUREMENT METHOD, PROGRAM, AND PHONOGRAPH RECORD
Document Type and Number:
WIPO Patent Application WO/2021/229841
Kind Code:
A1
Abstract:
In the present invention, a record playback system (1) comprises a record player (100) and a playback device (10) (measurement device). The playback device (10): measures, when a plurality of test signals for measuring characteristics of the record playback system (1) recorded in a phonograph record are played back by the record player (100), frequency characteristics of a plurality of input signals based on the plurality of recorded test signals; calculates a measurement error between each frequency characteristic of the measured plurality of input signals inputted from the record player (100) to the playback device (10), and a prescribed frequency characteristic; selects the frequency characteristic with the smallest measurement error among the frequency characteristics of the plurality of input signals as the measurement result of the record playback system (1); and outputs the selected measurement result.
Inventors:
OKUDA TADAYOSHI
Application Number:
PCT/JP2020/041626
Publication Date:
November 18, 2021
Filing Date:
November 06, 2020
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G11B3/00; G11B20/02; G11B20/18
Foreign References:
| JPS5787317U | 1982-05-29 | |||
| JPS5620398A | 1981-02-25 | |||
| JPS5611650A | 1981-02-05 | |||
| JPS5494206U | 1979-07-04 | |||
| JP2005182932A | 2005-07-07 | |||
| JPH11177362A | 1999-07-02 | |||
| JPS5833605A | 1983-02-26 |
Attorney, Agent or Firm:
NII, Hiromori et al. (JP)
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