发明授权
- 专利标题: Audio apparatus having electronic graphic equalizer
- 专利标题(中): 具有电子图形均衡器的音频设备
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申请号: US365828申请日: 1989-06-14
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公开(公告)号: US4903307A公开(公告)日: 1990-02-20
- 发明人: Hiroshi Ozawa , Shiro Horii , Ichiro Hondo
- 申请人: Hiroshi Ozawa , Shiro Horii , Ichiro Hondo
- 申请人地址: JPX Tokyo JPX Ibaraki
- 专利权人: Hitachi, Ltd.,Hitachi Automotive Engineering Company
- 当前专利权人: Hitachi, Ltd.,Hitachi Automotive Engineering Company
- 当前专利权人地址: JPX Tokyo JPX Ibaraki
- 优先权: JPX63-151138 19880621
- 主分类号: H03G1/00
- IPC分类号: H03G1/00 ; H03G5/02
摘要:
An audio apparatus includes an electronic graphic equalizer, in which a plurality of frequency characteristics corresponding to various space configurations are stored preliminarily and a plurality of frequency characteristics corresponding to various types of music are also stored preliminarily. Suitable frequency characteristics are selected from these two groups of frequency characteristics according to a specific spatial configuration and a specific music to be reproduced and combined to obtain a frequency characteristics suitable for the configuration and the music.