New improvements have been added to the Amazon Alexa Voice Service (AVS) including voice or button-activated volume and media control, voice-activated timers and alarms, updated APIs, server-initiated message capabilities, and Alexa App enhancements including iOS and Android support.
In recent history we have seen tech giants put out speech recognition APIs, allowing developers to integrate speech-to-text technology into their applications. Developer Daniel Janus puts three of the popular contenders through their paces over at Rebased.