JPS62177199U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一例の構成図、第２図はその
説明のための図である。 １，２は入力端子、３，４，５は演算回路、６
，９，１０はスイツチ、７は移相器、８はアツテ
ネータ、１１，１２は出力端子である。 FIG. 1 is a block diagram of an example of the present invention, and FIG. 2 is a diagram for explaining the same. 1, 2 are input terminals, 3, 4, 5 are arithmetic circuits, 6
, 9 and 10 are switches, 7 is a phase shifter, 8 is an attenuator, and 11 and 12 are output terminals.

Claims (1)

【実用新案登録請求の範囲】 ステレオ時左右の音声信号がそれぞれ供給され
ると共にモノラル時少くとも一方にモノラル音声
信号が供給されるようにした第１、第２の入力端
子を有し、 上記第１、第２の入力端子がそれぞれ第１、第
２の加減算器に接続されると共に共通に減算回路
に接続され、 この減算回路の出力と上記少くとも一方の入力
端子とが第１のスイツチで選択されて移相器に接
続され、 この移相器の出力がアツテネータを介して上記
第１、第２の加減算器に接続され、 上記第１、第２の加減算器の一方の出力と上記
少くとも一方の入力端子とが第２のスイツチで選
択されて第１の出力端子に接続され、 上記第１、第２の加減算器の他方の出力と上記
移相器の出力とが第３のスイツチで選択されて第
２の出力端子に接続されるようにした音響効果回
路。[Claims for Utility Model Registration] The above-mentioned device has first and second input terminals to which left and right audio signals are respectively supplied in stereo mode, and a monaural audio signal is supplied to at least one of them in monaural mode; 1. A second input terminal is connected to the first and second adder/subtractors, respectively, and also commonly connected to a subtraction circuit, and the output of the subtraction circuit and at least one input terminal are connected to the first switch. selected and connected to a phase shifter, and the output of this phase shifter is connected to the first and second adders/subtractors via an attenuator, and the output of one of the first and second adders/subtractors is connected to the output of one of the first and second adders/subtractors. and one input terminal is selected by a second switch and connected to the first output terminal, and the other output of the first and second adder/subtractors and the output of the phase shifter are selected by a third switch. a sound effect circuit selected by and connected to the second output terminal;