I just use the speechlib.tlb file from SAPI 5.1
You can import this into delphi and then place the
TSpSharedRecoContext onto your form. Add event handlers for the
events you are interested in (Recognition is the most important one).
In the recognition event handler (or the hypothesis or false
recognition handlers) you need code like this to get the important
information:
var text: String; confidence: Integer;
text:=Result.PhraseInfo.GetText(0,-1,True);
Confidence:=Integer(Result.PhraseInfo.Rule.Confidence);
You need something like this code to set up speech recognition:
Var
SRGrammar: ISpeechRecoGrammar;
Rule: ISpeechGrammarRule;
WordNumber: Integer;
// Create this object and fill it with the words
// or phrases you want to recognise before calling CreateGrammar
Phrases: TStringList;
procedure AddWord(word: String);
Var Value: OleVariant;
begin
Inc(WordNumber);
Value:=WordNumber;
Rule.InitialState.AddWordTransition
(Nil,word,' ',SPWT_LEXICAL,'value',1,value,1.0);
end;
procedure CreateGrammar;
begin
//OnAudioLevel event is not fired by default - this changes that
SpSharedRecoContext.EventInterests := SREAllEvents;
SRGrammar := SpSharedRecoContext.CreateGrammar(0);
Rule:=SRGrammar.Rules.Add('word',SRATopLevel+SRADefaultToActive,0);
WordNumber:=0;
for i:=0 to Phrases.Count-1 do begin
AddWord(Phrases[i]);
end;
Rule:=Nil;
SRGrammar.Rules.Commit;
SRGrammar.CmdSetRuleIdState(0, SGDSActive);
end;
--- In [email protected], metin duman <[EMAIL PROTECTED]>
wrote:
> Hi. I need a component that is used for speech
> recognation process. Could you help me about it. Can I
> find a free component and where?
> Thanks.
>
>
>
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