Main Question or Discussion Point
what ICs can u suggest to be used in my sound level meter for outdoor speakers in order to have an accurate measurements. power amplifier to be used will be 50, 70, 100 watts power out put.
Like these? http://www.discovercircuits.com/V/vu-meter.htmmy thesis proposal will be a sound level indicator for loudspeaker using LEDs. this will be a bar graph display that will indicate the level of the sound of a certain loudspeaker.what ideas can u share about my thesis proposal?