at.ac.fhstp.sonitalk.utils

Class SignalGenerator

java.lang.Object

at.ac.fhstp.sonitalk.utils.SignalGenerator

public class SignalGenerator
extends java.lang.Object

The SignalGenerator handles the creation of the audio message. It creates the blocks depending on the message forwarded. The generator includes indexing the frequencies, fft, normalization, fade-in/fade-out and casting to the right format.

Constructor Summary

Constructors

Constructor and Description
SignalGenerator(int sampleRate, SoniTalkConfig config)
SignalGenerator(SoniTalkConfig config) Default constructor using a 44100Hz sample rate (works on all devices)

Method Summary

Modifier and Type	Method and Description
short[]	getSignalBlock(SignalType signalType, java.lang.String[] bitStringArray) Starts generating an audio message block.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SignalGenerator

public SignalGenerator(SoniTalkConfig config)

Default constructor using a 44100Hz sample rate (works on all devices)

Parameters:

config -

SignalGenerator

public SignalGenerator(int sampleRate,
                       SoniTalkConfig config)

Method Detail

getSignalBlock

public short[] getSignalBlock(SignalType signalType,
                              java.lang.String[] bitStringArray)

Starts generating an audio message block.

Parameters:

signalType - type of specification for getting frequency bands

bitStringArray - message to transform into frequency bands

Returns:

one short array audio message block