sc7072b 变音ic

l       wide operating voltage range 3.0v to 5.0v

l       low power consumption

l       several voice effects selectable:

          * transposing voice (higher or lower)

          * amplifying voice

          * robot voice

l       variable resistor or switch can be used to adjust the transposed-voice effect

l       external memory is not required

l       build-in reduction noise circuit and silence function

l       for application in toys, masks, telephone systems and other voice fields