首页
产品
黄页
商标
征信
会员服务
注册
登录
全部
|
企业名
|
法人/股东/高管
|
品牌/产品
|
地址
|
经营范围
发明名称
电声系统的频率Q值均衡技术
摘要
电声系统的频率Q值均衡方法,音箱共振是不可克服存在的,由于音源本身包含着监制音箱的共振频率,在放声系统中又有音箱的自共振频率,当这两种共振频率不均衡时,音色就不能令人满意,即使是高级音箱,也还是有这种不足。本发明提供的电声系统的频率Q值均衡方法,是在于克服现有技术的不足,其方法是在放声系统中再加进1—6个共振频率,以淡化原有的不利共振,称之为均衡系统Q值。为了保证质量及音色效果,Q值应满足:Q=K/FK=50—1000。
申请公布号
CN1113644A
申请公布日期
1995.12.20
申请号
CN95111607.X
申请日期
1995.04.24
申请人
徐耀忠
发明人
徐耀忠
分类号
H04R1/22
主分类号
H04R1/22
代理机构
代理人
主权项
1、放声系统多频率Q值均衡技术,其特征是在一个放声系统内:A.增加1-6个低频共振点;B.音箱的共振频率及Q值决定补进共振点的相应振荡频率,Q值均衡器使所有共振点Q值均衡,Q值均衡器串联在信号源与功放之间,Q值均衡器既能延伸低音下端频率,又能均衡或提高系统Q值。C:低频共振点Q值,应符合Q=K/f要求,K值取50-1000,f为30-150HZ或f为20-200HZ。
地址
200002上海市浙江南路75号
您可能感兴趣的专利
Capacitor constructions comprising perovskite-type dielectric materials, and methods of forming capacitor constructions comprising perovskite-type dielectric materials
Methods and systems for implementation of the calling name delivery service through use of a location register in a network element in a wireless network
Photothermographic material
Manganese dry battery
Magnetoresistance effect element, its manufacturing method, magnetic reproducing element and magnetic memory
Ceramic joining
Valve-lash adjuster equipped valve operating device for internal combustion engine
Padded sports glove having improved flexibility and breathability
System for calibrating the axes on a computer numeric controlled machining system and method thereof
Digital sample frequency converter
Moving stairway or sideway cleaning device
Information distribution system, program guide server, and distribution data selection chart server
SHARED DRIVE MECHANISM AND DISC PLAYER THAT EMPLOYS THIS DRIVE MECHANISM
LOW POWER-CONSUMPTION CACHE MEMORY DEVICE
POWER CONVERTER
LOAD-CIRCUIT PROTECTIVE DEVICE
LENS BARREL AND PROJECTOR
REFRIGERATOR
LIGHT SOURCE SYSTEM FOR EXPOSURE APPARATUS AND EXPOSURE APPARATUS USING THE SAME
PROPULSION METHOD AND PROPULSION DEVICE