Dialog engine and associated method

A conversation engine includes: an input module for provision of speech data, the speech data including first speech data based on a first speech signal from a first speaker; a sentiment feature extractor for provision of sentiment metric data based on the speech data, the sentiment metric data including first sentiment metric data based on the first speech data; a text feature extractor for provision of text metric data based on the speech data, the text metric data including first text metric data based on the first speech data; a training generator configured to generate a first output sentiment and a first output text based on the first sentiment metric data and/or the first text metric data; and a speech generator configured to output a first output speech signal based on the first output sentiment and the first output text.