Technology Google AI can now focus on individual speakers in a crowd Updated : April 13, 2018 12:20 PM IST The capability to mentally "mute" all other voices and sounds comes natural to humans. Researchers presented a deep learning audio-visual model for isolating a single speech signal. Separating an audio signal into its individual speech sources remains a significant challenge for computers. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.