So, currently we were able to make the circuit work. i think i've shown the thesis plan on my first thread. it is a very simply prototype of a speech(language laboratory. now our problem is that there is clipping and noise. although the voice is still audible. we used four input microphone line in jacks and one coming from the output of the headphone jack of a laptop (3.5 mm stereo trs connector) and and five outputs(to the headphone 3.5 mm mono trs connector). so the summing (mixing) amplifier circuit we used is http://www.zen22142.zen.co.uk/Circuits/Audio/6ipmix.htm.
but note that the output is divided into 5, so we had to adjust the variable resistors so it can be heard. if we don't divide the output into 5, it becomes too loud which is not good.
we plan on adding a distribution amplifier after the output of the first ciruit shown on the link. so that we would need to maximize the volume and clipping would be avoided. our question is, will this help with minimizinig the noise?
we are going to use a circuit like this but we're going to use LM324.
will it work?
but note that the output is divided into 5, so we had to adjust the variable resistors so it can be heard. if we don't divide the output into 5, it becomes too loud which is not good.
we plan on adding a distribution amplifier after the output of the first ciruit shown on the link. so that we would need to maximize the volume and clipping would be avoided. our question is, will this help with minimizinig the noise?
we are going to use a circuit like this but we're going to use LM324.
will it work?