# Asterisk 15, Jack, streams, speech recognition... so many questions!

**URL:** <https://community.asterisk.org/t/asterisk-15-jack-streams-speech-recognition-so-many-questions/72108>\
**Category:** Asterisk APIs\
**Created:** [September 22, 2017, 1:06pm UTC](https://community.asterisk.org/t/asterisk-15-jack-streams-speech-recognition-so-many-questions/72108 "2017-09-22T13:06:17Z")\
**Posts on this page:** 1\
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**Author:** ![jcolp](https://sea1.discourse-cdn.com/asterisk/user_avatar/community.asterisk.org/jcolp/32/8848_2.png) [@jcolp](https://community.asterisk.org/u/jcolp)\
**Post date:** [September 22, 2017, 1:12pm UTC](https://community.asterisk.org/t/asterisk-15-jack-streams-speech-recognition-so-many-questions/72108/2 "2017-09-22T13:12:26Z")

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The tools you are referring to don’t use the actual Asterisk speech recognition API. The speech recognition API provides a stream of media as received to the engine in a format it asks for, and then expects the engine to provide feedback (such as end of speech detected, start of speech detected, results). I expect noone has really looked into doing such a thing and just used what was at hand to interface, as it is easier.

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