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CASRSRecognitionHwDevice Class Reference

class CASRSRecognitionHwDevice : public CASRSHwDevice

Recognition HW Device

asrsrecognitionhwdevice.lib

Since: 2.8

Inherits from

CASRSRecognitionHwDevice
- CASRSHwDevice
  - CBase

Public Member Functions
	~CASRSRecognitionHwDevice ()
IMPORT_C void	Clear ()
IMPORT_C TAny *	CustomInterface ( TUid )
IMPORT_C TUint32	GetRejection ()
IMPORT_C void	InitRecognizerBEL (const TDesC8 &, const CSIModelBank &)
IMPORT_C void	InitRecognizerFEL ( TBool )
IMPORT_C void	InitializeL ()
IMPORT_C CASRSRecognitionHwDevice *	NewL ( MASRSRecognitionHwDeviceObserver &)
IMPORT_C void	SendSpeechData ( TPtrC8 &, TBool )
IMPORT_C void	SetNBest ( TUint32 )
IMPORT_C void	SetRejection ( TUint32 )
IMPORT_C void	StartRecognitionL ( RArray < TUint > &, RArray < TInt > &)
IMPORT_C void	StopRecognition ()

Private Member Functions
	CASRSRecognitionHwDevice ()
void	ConstructL ( MASRSRecognitionHwDeviceObserver &)

Inherited Functions
	CASRSHwDevice::CASRSHwDevice()
	CASRSHwDevice::NewL()
	CASRSHwDevice::~CASRSHwDevice()
	CBase::CBase()
	CBase::Delete(CBase *)
	CBase::Extension_(TUint,TAny &,TAny )
	CBase::operator new(TUint)
	CBase::operator new(TUint,TAny *)
	CBase::operator new(TUint,TLeave)
	CBase::operator new(TUint,TLeave,TUint)
	CBase::operator new(TUint,TUint)
	CBase::~CBase()

Private Attributes
CRecognitionAlgorithm *	iRecAlgorithm
TAny *	iReserved

Constructor & Destructor Documentation

CASRSRecognitionHwDevice()

CASRSRecognitionHwDevice

(

)

[private]

C++ default constructor.

~CASRSRecognitionHwDevice()

IMPORT_C

~CASRSRecognitionHwDevice

(

)

[virtual]

Destructor.

Member Functions Documentation

Clear()

IMPORT_C void

Clear

(

)

[virtual]

From CASRSHwDevice Use to clear HW device

Since: 2.8

ConstructL(MASRSRecognitionHwDeviceObserver &)

void

ConstructL

(

MASRSRecognitionHwDeviceObserver &

aObserver

)

[private]

By default Symbian 2nd phase constructor is private.

Parameters

MASRSRecognitionHwDeviceObserver & aObserver

CustomInterface(TUid)

IMPORT_C TAny *

CustomInterface

(

TUid

aInterfaceId

)

[virtual]

From CASRSHwDevice Use to get custom interface

Since: 2.8

Parameters

TUid aInterfaceId

Identifier of the intercace implementation

GetRejection()

IMPORT_C TUint32

GetRejection

(

)

Gets the rejection threshold.

Since: 2.8

InitRecognizerBEL(const TDesC8 &, const CSIModelBank &)

IMPORT_C void	InitRecognizerBEL	(	const TDesC8 &	aRecognitionData,
			const CSIModelBank &	aModels
		)

This method initializes the backend of the recognition Hw device.

Since: 2.8

Parameters

const TDesC8 & aRecognitionData	A recognition data generated by grammar compilation.
const CSIModelBank & aModels	A model bank containing acoustic models

InitRecognizerFEL(TBool)

IMPORT_C void

InitRecognizerFEL

(

TBool

aSendFeatureVectors = EFalse

)

This method initialize the frontend of the recognition Hwdevice

Since: 2.8

Parameters

TBool aSendFeatureVectors = EFalse

InitializeL()

IMPORT_C void

InitializeL

(

)

[virtual]

From CASRSHwDevice Use to initilize HW device

Since: 2.8

NewL(MASRSRecognitionHwDeviceObserver &)

IMPORT_C CASRSRecognitionHwDevice *

NewL

(

MASRSRecognitionHwDeviceObserver &

aObserver

)

[static]

Two-phased constructor.

Parameters

MASRSRecognitionHwDeviceObserver & aObserver

SendSpeechData(TPtrC8 &, TBool)

IMPORT_C void	SendSpeechData	(	TPtrC8 &	aBuffer,
			TBool	aEnd
		)

Use to send utterance data

Since: 2.8

Parameters

TPtrC8 & aBuffer	Buffer containing utterance data.
TBool aEnd	End of utterance data indicator. ETrue indicates end of data or no data.

SetNBest(TUint32)

IMPORT_C void

SetNBest

(

TUint32

aNBest

)

Sets the maximum number of entries wanted in the ranked list of recognition results.

Since: 2.8

Parameters

TUint32 aNBest

The n-best number.

SetRejection(TUint32)

IMPORT_C void

SetRejection

(

TUint32

aRejection

)

Sets the rejection threshold.

Since: 3.2

Parameters

TUint32 aRejection

Rejection threshold value.

StartRecognitionL(RArray< TUint > &, RArray< TInt > &)

IMPORT_C void	StartRecognitionL	(	RArray < TUint > &	aNBestList,
			RArray < TInt > &	aScore
		)

Start recognition

Since: 2.8

Parameters

RArray < TUint > & aNBestList	At the end of recognition, this object will contain Nbest list IDs.
RArray < TInt > & aScore	At the end of recognition, this object will contain scores for Nbest list.

StopRecognition()

IMPORT_C void

StopRecognition

(

)

Stop a started recognition process.

Since: 2.8

Member Data Documentation

CRecognitionAlgorithm * iRecAlgorithm

CRecognitionAlgorithm *

iRecAlgorithm

[private]

TAny * iReserved

TAny *

iReserved

[private]