| SAcousticSMSubsystemI | Modelling of acoustic features of a signal |
| SAlignerI | Phoneme aligner |
| SAsyncFuncCallbackI | An interface that allows to run processing in a second thread by SAsyncFuncI |
| SAsyncFuncI | Runs a function in a second thread |
| SAudioFileI | This is a base class for all audio file format readers and writers |
| SAudioWaveformSourceI | Microphone input |
| SAudioWaveformTargetI | Speaker output |
| SBlockSetI | A block set to create and link blocks according to a config file |
| SCalibrationI | Maps labels according a set of rules |
| SChannelSetterI | Sets the actual channel to the incoming STranscriptionI container and sends it to the target |
| SChannelSplitterI | Splits waveform channels and resends them separately |
| SCharSetI | Conversation between charsets and charset dependent string functions |
| SCIPhnLoopKWSNetGenI | This is simple KWS network generator with context independent models and phoneme loop in background |
| SCmllrEstimatorI | Very easy and fast decoder with hard wired phoneme loop |
| SConfigureI | A class for configuration file reading and accessing configuration variables |
| SDecoderI | A base class for all decoders |
| SERestI | Reestimation of Hidden Markov Models |
| SErrorCallbackI | An interface that allows to receive error, warning and log messages |
| SESpeakersEChannelsFAI | Factor analysis that models speaker variability, remaining speaker variability and channel variability |
| SFactorAnalysisI | Basic class for all different factor analysis applyable to SGMMI |
| SFactorsI | Basic class for different factors used in factor analysis |
| SFeaCatI | Arbitrary feature transform described by a STK macro language |
| SFeaJoinI | Joins more feature segments together |
| SFeatureExtractionCallbackI | An interface that allows to receive features |
| SFeatureExtractionI | A base class for all feature extractors |
| SFeatureMemoryI | This memory can save feature matrix for later use |
| SFeatureSegmenterI | Receives features and segmentation and resends features by segments |
| SFeatureSplitterI | Sends features to multiple feature callback targets |
| SFeatureTransformI | A base class for all feature transforms |
| SFileListCallbackI | An interface that allow to receive information from SFileListI |
| SFileListI | Processing of file lists |
| SFileSnifferCallbackI | An interface that allows to receive information from from SFileSnifferI |
| SFileSnifferI | Repeatedly scans directories and sends the new files to a callback, or just scan directories and return files to a user |
| SFileWaveformPlayerI | Simple audio file playback |
| SFileWaveformSourceI | Reads waveform files |
| SFloatMatrixI | Matrix of floats (usually features) |
| SFMinSearch1DI | Search for a minimum of 1D function |
| SFunction1DI | A base class for all functions that can be searched for a minimum by the SFMinSearch1DI searcher |
| SG2PI | Grapheme to phoneme convertor |
| SGenderIDI | Gender Identification System |
| SGMMBasedEstimatorCallbackI | An interface that allows to receive actual factor and scores counted by SGMMBasedEstimatorI |
| SGMMBasedEstimatorI | GMM based estimator (for fast VTLN, GID, etc.) |
| SGMMDecoderI | A classifier based on Gaussian Mixture Models |
| SGMMI | Gaussian mixture model |
| SGMMListI | List of Gaussian mixture models |
| SIntMatrixI | Matrix of integers (usually features) |
| SKeywordI | Container for one keyword in keyword list |
| SKeywordListI | Keyword list |
| SKeywordSpottingI | Keyword spotting system |
| SKWSDecoderI | Keyword spotting decoder based on the STK library |
| SKWSNetworkGeneratorI | This is basic class for KWS nework generators for SKWSDecoderI |
| SLabelAdjusterI | Adjusts label boundaries according adjustment rules |
| SLabelMapperI | Maps labels according a set of rules |
| SLexiconI | A Lexicon with words and their phonetic transcriptions |
| SLicenseManagerI | License manager |
| SLIDI | Language Identification System |
| SMelBanksI | Calculation of Mel-bank energies |
| SMFCCI | Calculation of Mel Frequency Cepstral Coefficients |
| SNGramPhonotacticModelsI | Modeling of phonotactic dependencies using n-gram language models |
| SNNetPosteriorEstimatorI | Posterior probability of labels (phonemes) estimator based on artificial neural networks |
| SNormalizationI | Mean and variance normalization of features |
| SOfflineSpeechRecCallbackI | An interface that allows to receive information from SOfflineSpeechRecognizerI |
| SOfflineSpeechRecognizer2I | Offline speech recognizer with VAD, segment based mean and variance normalization and fast VTLN estimation |
| SOfflineSpeechRecognizerI | Offline speech recognizer with VAD, segment based mean and variance normalization and fast VTLN estimation |
| SOnlineSpeechRecognizerI | Online speech recognizer with microphone calibration |
| SPhnDecoderI | Very easy and fast decoder with hard wired phoneme loop |
| SPhnTransI | This class merges transcription from a lexicon and G2P |
| SPhonotacticModelsI | A base class for a phonotactic modelling approach used by SPhonotacticSMSubsystemI |
| SPhonotacticSMSubsystemI | Modelling of phonotactic dependencies in speech signal |
| SPieceWiseFunc2DI | Evaluate 2D function aproximated by a table |
| SPLPI | Calculation of Perceptual Linear Prediction features |
| SPronunciationI | One pronunciation variant in pronunciation list |
| SPronunciationListI | Pronunciation list |
| SRawFileI | Raw file format reader and writer |
| SRiffFileI | Reads RIFF file format |
| SSegmenterI | Maps labels and produces segmentations |
| SSegmentMapperI | Segment mapper maps segment boundaries to their original times before using VAD, waveform filter etc |
| SSignalModellingI | Modelling and classification (or detection) of arbitrary signals |
| SSignalModellingSubsystemI | Base class for all signal modelling subsystems |
| SSpeakerChannelFactorsI | Speaker and channel factors for SESpeakersEChannelsFAI |
| SSpeakerIDI | Speaker Identification System |
| SSpeechFilePreselectorI | Speech file preselector |
| SSpeechRecI | Speech recognizer |
| SSpeechRecStateCallbackI | An interface that allows to receive a state information from SSpeechRecI |
| SSPKIDAcousticI | Speaker identification system |
| SSTGI | Short time Gaussianization |
| SSTKDecoderI | LVCSR decoder with a static recognition network based on the STK library |
| STransCallbackI | An interface that allows to receive segmentation from a decoder |
| STranscriptionI | A base class for all possible transcriptions containers sent by decoders. or received by the STranscriptionMemoryI::GetTranscription() |
| STranscriptionMemoryI | This memory can save transcription that came at input for later use |
| STranscriptionSegmenterI | Receives transcriptions and segmentation and resends segmented transcription with IsLast after each segment |
| STranscriptionSplitterI | Allows to calls multiple transcription callback functions as one callback call |
| STransLatticeI | Transcription container - lattice - a graph of many hypothesized speech transcriptions |
| STransOneBestI | Transcription container - the best path |
| STransOneWordI | Transcription container - one word |
| STransPosteriorsI | Transcription container - posterior probabilities of occurrence of labels in transcribed speech calculated from a lattice |
| STransSegmentationArrayI | Transcription contained - array of segmentation boundaries |
| SUnknownI | Base class for all BSAPI interfaces |
| SVtlnOfflineI | Search for the warping factor for Vocal Tract Length Normalization |
| SWaveFileI | MS WAVE format reader and writer |
| SWaveformFilterI | Cut off technical noises and long silence parts form waveform |
| SWaveformFormatConvertorI | Converts different waveform formats to floats |
| SWaveformMemoryI | Makes a copy of waveform block for later use |
| SWaveformSegmenterI | Receives waveform and segmentation and resends waveform by segments |
| SWaveformSourceCallbackI | An interface that allows to receive waveform |
| SWaveformSourceI | A base class for all waveform sources (SAudioWaveformSourceI, SFileWaveformSourceI) |
| SWaveformSplitterI | Allows to calls multiple OnWaveform callback functions as one callback call |
| SWaveformTargetI | A base class for all waveform targets (now only SAudioWaveformTargetI) |
| SXMLDocumentI | XML document |
| SXMLNodeI | XML node |
| SXMLPropertiesI | XML node properties |
1.4.7