Returns the index of the frequency band that contains the requested frequency. @param freq the frequency you want the index for (in Hz) @ret

Writes the given samples to the audio device. The samples have to be sampled at 44100Hz, mono and have to be in the range [-1,1]. @param samples The

@return the spectrum of the last FourierTransform.forward() call.

Returns the next spectrum or null if there's no more data. @return The next spectrum or null.

Reads in samples.length samples from the decoder. Returns the actual number read in. If this number is smaller than samples.length then the end of str

Tries to read in samples.length samples, merging stereo to a mono channel by averaging and converting non float formats to float 32-bit. Returns the n

Returns the width of each frequency band in the spectrum (in Hz). It should be noted that the bandwidth of the first and last frequency bands is half

@return the FFT instance used

Sets the window to use on the samples before taking the forward transform. If an invalid window is asked for, an error will be reported and the curren

Calculate the average amplitude of the frequency band bounded by <code>lowFreq</code> and <code>hiFreq</code>, inclusive. @param lowFreq the

Returns the threshold function for a given spectral flux function. @return The threshold function.

Returns the amplitude of the requested frequency band. @param i the index of a frequency band @return the amplitude of the requested frequen

Returns the middle frequency of the i^th band. @param i the index of the band you want to middle frequency of

Sets the object to not compute averages.

Scales the amplitude of the <code>i^th</code> frequency band by <code>s</code>. You can use this to shape the spectrum before using <code>in

Sets the amplitude of the <code>i^th</code> frequency band to <code>a</code>. You can use this to shape the spectrum before using <code>inve

Constructor, initializes the audio system for 44100Hz 16-bit signed mono output. @throws Exception in case the audio system could not be initialized

Constructs a DFT that expects audio buffers of length <code>timeSize</code> that have been recorded with a sample rate of <code>sampleRate</code>. Wil

Constructs an FFT that will accept sample buffers that are <code>timeSize</code> long and have been recorded with a sample rate of <code>sampleRate</c

Construct a FourierTransform that will analyze sample buffers that are <code>ts</code> samples long and contain samples with a <code>sr</code> sample

Consturctor, plays back the audio form the decoder and sets the marker of the plot accordingly. This will return when the playback is done. @param pl

Creates a new Plot with the given title and dimensions. @param title The title. @param width The width of the plot in pixels. @param height The heigh

Constructor, sets the {@link Decoder}, the sample window size and the hop size for the spectra returned. Say the sample window size is 1024 samples. T

Consturctor, sets the history size in number of spectra to take into account to calculate the average spectral flux at a specific position. Also sets

Constructor, sets the input stream to read the Wav file from. @param stream The input stream. @throws Exception in case the input stream couldn't be

Returns the number of averages currently being calculated. @return the length of the averages array

Performs a forward transform on <code>buffer</code>. @param buffer the buffer to analyze

Returns the center frequency of the i^th average band. @param i which average band you want the center frequency of.

Gets the value of the <code>i^th</code> average. @param i the average you want the value of @return the value of the requested ave

Gets the amplitude of the requested frequency in the spectrum. @param freq the frequency in Hz @return the amplitude of the frequency in the

@return the imaginary part of the last FourierTransform.forward() call.

@return the real part of the last FourierTransform.forward() call.

Performs an inverse transform of the frequency spectrum and places the result in <code>buffer</code>. @param buffer the buffer to place the

Sets the number of averages used when computing the spectrum and spaces the averages in a linear manner. In other words, each average band will be <co

Sets the number of averages used when computing the spectrum based on the minimum bandwidth for an octave and the number of bands per octave. For exam

Not currently implemented.

Scales the amplitude of the requested frequency by <code>a</code>. @param freq the frequency in Hz @param s the scaling factor

Not currently implemented.

Sets the amplitude of the requested frequency in the spectrum to <code>a</code>. @param freq the frequency in Hz @param a the new a