Hello everyone,
In looking at the class reference for the NSSpeechRecognizer, you are told that:
Through an NSSpeechRecognizer instance, Cocoa applications can use the speech
recognition engine built into OS X to recognize spoken commands. With speech
recognition, users can accomplish complex, multi-step tasks with one spoken
command—for example, “schedule a meeting with Adam and John tomorrow at ten
o’clock.”
However, nowhere else is it explained how such a complex command could be
recognized. In fact, it is specified that all commands are to be NSString
objects. There is no way to define a generalized grammar, include wildcards, or
anything else that would make the "schedule a meeting" example doable. Yes, you
could define a string for every hour and minute of the day, with every
combination of names you can think of, but that quickly becomes ridiculous.
Unless I missed it, the lower-level Carbon APIs for speech recognition are
similarly limited.
My aim is to build an app that combines some features of Sir (scheduling
reminders or making email messages) with features of apps like Dragon ("move
[up | down | left | right] [number] [characters | words | lines]", "select
line", "select [word]", and so on). Clearly, simple commands encoded as strings
won't cut it. The NSSpeechRecognizer docs indicate that what I want is
possible, but then never explain how. Yes, some of it is doable by recognizing
smaller commands and stringing them together and/or switching command sets on
the fly based on previous commands, but some is not. Commands where an
arbitrary word, such as a name, number, or word in a document, are used will
not work.
As I said, I could fake it for some commands, mostly where numbers are
involved, by generating many possible strings in a loop. Is there a better,
more robust way to do this that will accept input of arbitrary data as part of
a defined command? I'm not looking for any sort of AI or learning process, but
the pre-defined commands I will implement do need to be less strict than what
it appears I am stuck using. Any suggestions would be great. Thanks.
--
Have a great day,
Alex
[email protected]
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