... MASK type , for lower the cost WTB voice ic series--Voice chip, ic chip, voice ic, sound ic, 84 seconds,OTP, Sound ... IC Series, icsFeatures* Low cost OTP type voice chip , can program customized sounds* Can be MASK type , ... 6Khz. The higher sampling rate , the better sound quality and shorter duration time.* With SOP and DIP package* ... some electronic products, etc. 84sec WTB OTP voice chip