Recording and reproducing methods and recording and reproducing apparatus
US5089820A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 22, 1990 |
| Grant date | Feb 18, 1992 |
| Priority date | — |
| Expiry date | May 22, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03G7/007
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A recording method includes converting an original sound signal into a digital sound signal in a selected conversion range, selecting the conversion range in accordance with the amplitude information of the original sound signal, and storing and recording the digital sound signal. The apparatus includes a first selecting arrangement for selecting a conversion range which corresponds to amplitude information of an original sound signal, a converting arrangement for converting the original sound signal into a digital sound signal in the conversion range selected by the selecting arrangement, and a first memory for storing the digital sound signal converted by the first converting arrangement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.