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Class iceberg.transcoder.TranscoderService

java.lang.Object
   |
   +----ninja.rmi.NinjaRemoteObject
           |
           +----ninja.ispace.iSpaceService
                   |
                   +----iceberg.transcoder.TranscoderService

public class TranscoderService
extends iSpaceService
implements TranscoderServiceIF

Class that provides various transcodings of audio and text. audio -> text summary audio -> text outline audio -> audio summary audio -> skimmed audio audio file -> key word text file audio -> text audio file -> text file text -> audio text file -> audio file

TranscoderService(): constructor

audioAnalyzer(String, String, String)
audioSummary(byte[], int): make an Audio Summary from voicemail
destroy()
getNewFilename()
init(iSpaceServiceConfig): Initialization: cleanup
main(String[]): main program that recognizes test.pcm audio file to play file: play -t .raw -r 22050 -w -s test.pcm
readFromStream(InputStream)
readFromStream(String): Reads a file into a byte array.
skimmedAudio(byte[]): Method which generates skimmed audio from speech audio
speechRecoCommand(String): Method which uses rule grammar (NLP) for spotting key phrases in a speech audiofile
speechRecognizer(byte[]): Method which transcodes speech to text
speechRecognizer(String): Method which uses dictation grammar for translating speech to text
speechRecognizer(String, String): Method which uses dictation grammar for translating speech to text
speechSynthesizer(byte[], int): Method which synthesizes text
speechSynthesizer(String): Method which synthesizes text
speechSynthesizer(String, String): Method which synthesizes text
textOutline(Outline, byte[]): Method creates a text outline from audio.
textSummary(byte[]): make a Text Summary from voicemail this consists of two parts a) Recognize name and phone number b) Recognize key words using pitch detection
toGSM(String)
toRaw22(String)
toWave22(String)
writeToFile(byte[], String): Writes a byte array to a file.

TranscoderService

 public TranscoderService() throws RemoteException

constructor

init

 protected void init(iSpaceServiceConfig config)

Initialization: cleanup

Overrides:: init in class iSpaceService

destroy

 protected void destroy()

Overrides:: destroy in class iSpaceService

readFromStream

 protected byte[] readFromStream(String filename) throws RemoteException, IOException

Reads a file into a byte array.

Parameters:: filename - the file to be read
Returns:: byte array of file contents

getNewFilename

 protected String getNewFilename()

writeToFile

 protected void writeToFile(byte theData[],
                            String filename) throws RemoteException, IOException

Writes a byte array to a file.

Parameters:: theData - the byte array of data; filename - the output filename

readFromStream

 protected byte[] readFromStream(InputStream is) throws RemoteException, IOException

textOutline

 public Outline textOutline(Outline transObj,
                            byte theAudio[]) throws RemoteException, IOException

Method creates a text outline from audio.

Parameters:: transObj - is a special MediaManager mime type; theAudio - is the byte array of speech (16 bit 22050Hz linear .wav) if you don't have the MediaManager, just comment this out.
Returns:: a iceberg.mediamanager.Outline object

speechRecognizer

 public byte[] speechRecognizer(byte theAudio[]) throws RemoteException, IOException

Method which transcodes speech to text

Parameters:: theAudio - is byte array of speech audio (.wav)
Returns:: a byte array of text

textSummary

 public byte[] textSummary(byte theAudio[]) throws RemoteException, IOException

make a Text Summary from voicemail this consists of two parts a) Recognize name and phone number b) Recognize key words using pitch detection

Parameters:: byte - array of speech audio (16 bit 22050Hz linear .wav)
Returns:: byte array of text summary

audioSummary

 public byte[] audioSummary(byte theAudio[],
                            int format) throws RemoteException, IOException

make an Audio Summary from voicemail

Parameters:: byte - array of speech audio (.wav); int - output audio format
Returns:: byte array of summarized audio

skimmedAudio

 public byte[] skimmedAudio(byte theAudio[]) throws RemoteException, IOException

Method which generates skimmed audio from speech audio

Parameters:: byte - array of speech audio (16 bit 22050Hz linear .wav)
Returns:: byte array of summarized audio

audioAnalyzer

 protected String audioAnalyzer(String inputfile,
                                String operation,
                                String outdir) throws RemoteException

speechRecoCommand

 public String speechRecoCommand(String inputfile) throws RemoteException

Method which uses rule grammar (NLP) for spotting key phrases in a speech audiofile

Parameters:: String - inputfile of speech audio
Returns:: String output filename of text .txt

speechRecognizer

 public String speechRecognizer(String inputfile) throws RemoteException

Method which uses dictation grammar for translating speech to text

Parameters:: String - inputfile of speech audio
Returns:: String output filename of text .txt

speechRecognizer

 public String speechRecognizer(String inputfile,
                                String outputfile) throws RemoteException

Method which uses dictation grammar for translating speech to text

Parameters:: String - inputfile of speech audio; String - outputputfile of text
Returns:: String output filename of text .txt

toWave22

 protected String toWave22(String infilename) throws IOException

toGSM

 protected String toGSM(String infilename) throws IOException

toRaw22

 protected String toRaw22(String infilename) throws IOException

speechSynthesizer

 public byte[] speechSynthesizer(byte theText[],
                                 int format) throws RemoteException, IOException

Method which synthesizes text

Parameters:: byte - array of text; int - format of audio output
Returns:: byte array of synthesized speech (16 bit 22050Hz .wav or GSM)

speechSynthesizer

 public String speechSynthesizer(String inputfile) throws RemoteException

Method which synthesizes text

Parameters:: String - inputfile of text
Returns:: String filename of synthesized speech

speechSynthesizer

 public String speechSynthesizer(String inputfile,
                                 String outputfile) throws RemoteException

Method which synthesizes text

Parameters:: String - input filename of text; String - output filename of audio
Returns:: String filename of synthesized speech

main

 public static void main(String argv[])

main program that recognizes test.pcm audio file to play file: play -t .raw -r 22050 -w -s test.pcm

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