Notes

  • 0.9.17

    • Added sparse matrices.
    • Added matrix methods sum, rowSum, columnSum.
    • Faster implementation of 16 bit AudioSignalSources.
    • Faster implementation of 4th order IIR filters.

  • 0.9.16

    • Artifacts are now signed and deployed to Maven Central.

  • 0.9.15

    • Added support for instantaneous frequency spectra.
    • Added createLinearBands() to MultiBandSpectrum.
    • Zero-padding processor.

  • 0.9.14

    • Added support for not-power-of-two DCT.
    • Allow building Mel spectra from powers (not just magnitudes).
    • Fixed bug in MultiBandSpectrum.createMidiBands().
    • Added SignalPipeline.getProcessorWithClass()
    • Added methods to Floats (unbiased variance, corrected stddev, skewness, deltas, …).

  • 0.9.13

    • Downgraded maven site plugin back to version 3.3
    • More tests for Floats, additional methods.

  • 0.9.12

    • Improved test coverage
    • Fixed Welch window
    • Fixed equals()/hashCode() in LinearFrequencySpectrum
    • Fixed bug in MultiBandSpectrum.createMidiBands()
    • Fixed bugs in Floats.interpolate()
    • Fixed FrameNumberFilter.read()
    • Updated Maven plugins

  • 0.9.11

    • Added OLA (overlap-add) processor
    • Added IFFT (inverse FFT) processor
    • Added Channel processor
    • Added GriffinLim transform
    • Added ComplexAudioBuffer
    • Added bulk getRow and getColumn methods to Matrix
    • Added bulk setRow and setColumn methods to MutableMatrix
    • Fixed missing AudioFormat of InterleavedChannelJoin buffers
    • Fixed InterleavedChannelJoin to use real instead of data
    • Fixed mutability issue in AudioBufferFunctions.createMapFunction()
    • Renamed WindowFunctions to WindowFunction.
    • Avoid double-flushing by Join

  • 0.9.10

    • Fixed potential NPE in AudioBuffer.getTimestamp() implementations
    • Fixed MultiBandSpectrum.getBin(freq)
    • Added DCT implementation
    • Renamed SignalSplit.connections(int) to getConnectedProcessors(int)
    • Java 8 style Javadocs.

  • 0.9.9

    • Fixed concurrency issue with MapFunctions.createShortToOneNormalization()
  • 0.9.8
    • Enhanced SelfSimilarity to better deal with long tracks (BandMatrix)
    • Increased SelfSimilarity performance
    • Added Matrix.enlarge(m)
    • Allow construction of FullMatrix from CSV file
    • Added Welch window function
    • Added ability to create MIDI-based frequency bands
  • 0.9.7
    • Added close method to AudioSignalSource for better resource management
    • Added NoopSignalProcessor, Novelty, OnsetStrength, SelfSimilarity, AudioMatrix
    • Added mathematical classes for Matrix handling
    • Added no-op FIRFilter
    • Added TimestampLimitedSignalSource
    • Moved to Maven 3.0.5, JUnit 4.11
    • Added missing toString() methods
    • Changed meaning of parameters to Floats.arithmeticMean(float[], int, int)!
    • Switched docs format to Markdown
    • Added Javadocs links to site documentation
    • Added color-coding to code samples
  • 0.9.6
    • Small performance optimizations.
  • 0.9.5
    • Added support for 24bit audio in AudioSignalSource.
    • Fixed endianness issue in AudioSignalSource.
    • Normalization of float buffers now optional.
  • 0.9.4
    • Added better resampling support (MultirateFilters).
    • Added InterleavedChannelJoin processor.
    • Fixed wrong framenumbers produced by the Downsample processor.
  • 0.9.3
    • Fixed NPE in AudioSignalSource (Thx Joren!)
  • 0.9.2
    • Added logo.
    • Some documentation improvements.
  • 0.9.1
    • Fixed concurrency issue in normalization functions.
  • 0.9.0
    • Initial release