26336 2014-07-15 02:12:00 +0000 Support speech recognition on specific media stream 2018-08-06 10:32:18 +0000 1 1 1 Unclassified Speech API Speech API unspecified PC All RESOLVED WONTFIX P2 normal --- 1 schien gshires philip xians oldest_to_newest 108932 0 schien 2014-07-15 02:12:00 +0000 Current speech recognition API cannot specify media stream, we could introduce an optional parameter in SpeechRecognition.start() to enable following use cases: 1. multiple microphone selection via gUM media constraints 2. remote audio stream (WebRTC) 3. stream from audio file 112564 1 xians 2014-10-02 10:08:32 +0000 We are working on hooking up gUM audio track with WebSpeech in Chrome, but we are not going to support 2, 3 due to concerns of server abuse. That says, we only allow hooking up audio track from microphone to WebSpeech, a track uses non-microphone source (like a file or remote audio track) will be thrown a exception when connecting to WebSpeech. The new API allows WebSpeech to benefit from gUM technologies, ex. AEC. This will substantially improve the recognition performance during a conference call. 129312 2 philip 2018-08-06 10:32:18 +0000 This work was started in Chrome in https://crbug.com/408940 but wasn't finished and then removed again. To revisit this issue, I suggest filing an issue on https://github.com/w3c/speech-api and getting implementers talking to each other.