Suvarna Garge (Editor)

Baudline

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Preview release
  
Non [±]

Written in
  
C

Baudline

Developer(s)
  
SigBlips DSP Engineering

Initial release
  
September 2000; 16 years ago (2000-09)

Stable release
  
1.08 (Jul 21, 2010) [±]

Operating system
  
FreeBSD, Linux, Mac OS X, Solaris

The baudline time-frequency browser is a signal analysis tool designed for scientific visualization. It runs on several Unix-like operating systems under the X Window System. Baudline is useful for real-time spectral monitoring, collected signals analysis, generating test signals, making distortion measurements, and playing back audio files.

Contents

Applications

  • Acoustic cryptanalysis
  • Audio codec lossy compression analysis
  • Audio signal processing
  • Bioacoustics research
  • Data acquisition (DAQ)
  • Infrasound monitoring
  • Musical acoustics
  • Seismic data processing
  • SETI
  • Signal analysis
  • Software Defined Radio
  • Spectral analysis
  • Very low frequency (VLF) reception
  • WWV frequency measurement

    • Features

  • Spectrogram, Spectrum, Waveform, and Histogram displays
  • Fourier, Correlation, and Raster transforms
  • SNR, THD, SINAD, ENOB, SFDR distortion measurements
  • Channel equalization
  • Function generator
  • Digital down converter
  • Audio playing with real-time DSP effects like speed control, pitch scaling, frequency shifting, matrix surround panning, filtering, and digital gain boost
  • Audio recording of multiple channels
  • JACK Audio Connection Kit sound server support
  • Import AIFF, AU, WAV, FLAC, MP3, Ogg Vorbis, AVI, MOV, and other file formats

    • License

    Baudline binaries are available for free download. The binaries may be used for any purpose, though no form of redistribution is permitted. Source code is available for purchase under a number of licenses. While the Baudline website states that the source code is dual-licensed, under both a proprietary license and a version of the GNU General Public License, no source code released under this dual-license is made available for download on the software's website nor has been shown to exist elsewhere.

    References

    Baudline Wikipedia
    (Text) CC BY-SA