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Thanks Colin, that's all very useful information. I would appreciate a copy of your guidelines - contact details below. Mark Professor Mark Hawley Barnsley District General Hospital NHS Trust Gawber Road Barnsley S75 2EP Tel: +44 (0) 1226 777726 Secretary: +44 (0) 1226 730000 ext 2689 Fax: +44 (0) 1226 208159 email: [log in to unmask] -----Original Message----- From: p=NHS NATIONAL INT;a=NHS;c=GB;dda:RFC-822=ASSISTECH(a)JISCMAIL.AC.UK; Sent: 22 November 2002 11:58 To: p=NHS NATIONAL INT;a=NHS;c=GB;dda:RFC-822=ASSISTECH(a)JISCMAIL.AC.UK; Subject: Voice Recognition for Environmental Control ********************************************************************** The information contained in this message may be confidential or legally privileged and is intended for the addressee only, If you have received this message in error or there are any problems please notify the originator immediately. The unauthorised use, disclosure, copying or alteration of this message is strictly forbidden. ********************************************************************** Dear All In Lothian we have completed 4 installations of the Sicare Pilot. All the patients selected have been computer literate therefore familiar with menu tree structures. They all have fairly reliable voices although one patient's voice is affected by his condition. All four patients have good memory - I would thing this essential because it's necessary to memorise the menu structure. The Pilot's text display is tiny and probably not much use. Initially we did not fit the Pilot's external microphone and we carried out voice training with little background noise. We found that a number of follow up visits were required to voice train particular words. Now, during voice training we carry out each of the 5 passes through the list of words with different levels of background noise. Also, where possible, we recommend that the external microphone be used as this reduces the effect of background noise and improves recognition reliability. Essential for the Hi-Fi "volume down" command. I'm sure that an improved initial recognition reliability has been achieved. However I have not measured this in any formal way. I've written up a brief set of simple guidelines for using the Pilot - especially the main telephone commands. I'm happy to copy these to anyone that wants to look at them. Incidently I'm visiting a Pilot user next week to fit the external microphone and carry out Pilot voice training. He has used the Pilot without the external microphone for a number of years. Recently he replaced his carpeted floors with varnished wood. He reports that the different flooring has caused an echo and this has reduced recognition reliability. Colin Geggie Clinical Bioengineer Rehabilitation Engineering Services Eastern General Hospital Seafield Road Edinburgh EH6 7LN Tel. 0131 536 4695