When no power is applied to a chip it looks like a collection of diodes. Therefore to block audio going through you will have to reduce it to below 0.7v and then amplify it up. Probably using op-amps.
Anyone else got any other ideas?
When no power is applied to a chip it looks like a collection of diodes. Therefore to block audio going through you will have to reduce it to below 0.7v and then amplify it up. Probably using op-amps.
Anyone else got any other ideas?