For as long as there has been voice activated software, there has been problems with the device understanding the user, especially if they have a regional accent.
This is something that is being made very clear with the new Siri voice recognition app, especially if you happen to come from north of the border. Yet some of the results are quite assuming and the patience of the users has to be commended too, if were me the device would have been out of the window by now!
According to the details on the Apple iPhone Siri webpage;
‘Siri can be enabled in any country, and you can choose to speak to it in English, French, or German.
‘However, Siri is designed to recognise the specific accents and dialects of the supported countries listed above.
‘Since every language has its own accents and dialects, the accuracy rate will be higher for native speakers.’
Source [Daily Mail]