Unwanted google voice recognition calibration window

[AC Question]

I wanted to alter the volume in settings I did and I was then asked if I wanted to. Complete the action using google mistakenly I said yes.... now in youtube every video I try to open starts then it is paused and a google voice recognition calibration window appears for a few seoonds and I am asked to say ok or tap the microphone sign. I try to start the video again and the same thing happens, media is now impossible to play... the manual has no restore or reset listed in the index ....to say this is frustrating is an understatement