发明名称 MICROPHONE SIGNAL INPUT LEVEL ADJUSTING APPARATUS
摘要 <p><P>PROBLEM TO BE SOLVED: To provide a microphone signal input level adjusting apparatus which enables an inexperienced or unskilled adjusting person to perform proper level adjustment. <P>SOLUTION: The microphone signal input level adjusting apparatus is provided with an input signal level adjusting means 12, an average level detecting means 20, a comparing means 31, and a display means 33. The means 12 can receive a sound signal from a microphone and adjust the level of the input sound signal. The means 20 detects the average level of the level-adjusted sound signal by the means 12. The means 31 compares the average level detected by the means 20 with a preset reference value. The means 33 executes different display, depending on a result of comparison of the means 31. <P>COPYRIGHT: (C)2004,JPO&NCIPI</p>
申请公布号 JP2004193768(A) 申请公布日期 2004.07.08
申请号 JP20020356878 申请日期 2002.12.09
申请人 TOA CORP 发明人 HIGASHIHARA DAISUKE
分类号 H04R3/00;H03F3/181;(IPC1-7):H04R3/00 主分类号 H04R3/00
代理机构 代理人
主权项
地址