Machine Speech Recognition @ Human Level Recognition for... Voice Search in Low Noise Environment, per Google Next Frontier = Recognition in heavy background noise in far-field & across diverse speaker characteristics (accents, pitch...) Words Recognized by Machine (per Google), 1970 – 2016 10,000,000 1,000,000 ne @ ~90% hi accuracy c 100,000 a M @ ~70% d by 10,000 accuracy e z ogni 1,000 c e R ds 100 or W 10 1 1970 1980 1990 2000 2010 2016 Source: Johan Schalkwyk, Voice Technology and Research Lead, Google Note: For the English language. KPCB INTERNET TRENDS 2016 | PAGE 118