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Is there any kind of standard keyboard shortcut to activate speech recognition in a web application? If not I'd be interested in what people think about adopting "Alt + S"? Or better ideas. This would be for multi-line text input and in addition to a microphone icon.

Thanks

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    Not sure if there is a standard, but as long as you have provided the short cut key label next to the icon or as a tooltip then the user should be able to trigger it. – Michael Lai Oct 1 '18 at 11:34
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I'm not aware of a standard. This is mostly due to the fact that keyboard shortcuts are very under utilized in web apps. So the specific keyboard combo probably isn't too important. However, your selected shortcut alt + s is very close to the "save" (ctrl/cmd + S) shortcut in most systems and that could be a usability issue.

In my opinion, the bigger issue is removing the roadblocks to using a shortcut key. For example both the current browser window AND the input field/textarea must have focus. Simply being visible isn't good enough.

An additional consideration is what the browser/OS will require to enable a microphone for dictation. Does your user need to provide hardware permission after clicking the shortcut key? If so that will require mouse interaction and you've lost all value from a shortcut.

So like Michael said, you need to provide training near the icon and highlight that when its available.

  • Thanks. Hopefully Alt-S will be ok then since in this application Control+S (Save) isn't in use. This speech recognition currently only works in Chrome where it only requires hardware permission the first time it's used. – eug Oct 8 '18 at 6:37

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