Analysis Software


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Analysis Software

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  • Audacity Icon


    A free multi-track audio editor and recorder

    Audacity is a free, easy-to-use, multi-track audio editor and recorder for Windows, Mac OS X, GNU/Linux and other operating systems. The interface is translated into many languages. The version currently hosted here is 2.1.0 (March 2015). More recent versions than this are available from . Audacity is free software, developed by a group of volunteers and distributed under the GNU General Public License (GPL). Programs like Audacity are also called open source software, because their source code is available for anyone to study or use. There are thousands of other free and open source programs, including the Firefox web browser, the LibreOffice or Apache OpenOffice office suites and entire Linux-based operating systems such as Ubuntu

  • MP3Gain Icon


    Analyzes and adjusts the volume of MP3 files

    MP3Gain analyzes and losslessly adjusts mp3 files to a specified target volume. It does not simply do peak amplitude normalization. Instead, it performs statistical analysis to determine how loud the file actually sounds to the human ear.

  • LAME (Lame Aint an MP3 Encoder) Icon

    LAME (Lame Aint an MP3 Encoder)

    A high quality MP3 encoder

    LAME is an educational tool to be used for learning about MP3 encoding. The goal of the LAME project is to improve the psycho acoustics, quality and speed of MP3 encoding. Note: we provide source code only!

    Downloads: 16,285 This Week Last Update: See Project
  • MediaInfo Icon


    A unified display of relevant technical and tag data for A/V files

    MediaInfo is a convenient unified display of the most relevant technical and tag data for video and audio files.

  • Pure Data Computer Music System Icon

    Pure Data Computer Music System

    The Pure Data (short Pd) project on SourceForge unifies the extensions (or externals) written for the Pure Data Graphical Computer Music System written by Miller Puckette with contributions from many others.

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  • MP3val Icon


    MP3val is a small, high-speed tool for MPEG audio files validation and (optionally) fixing problems. It was primarily designed for verification of MPEG 1 Layer III (MP3) files, but supports also other MPEG versions and layers.

  • projectM Icon


    projectM, a MilkDrop compatible opensource music visualizer

    projectM is an OpenGL based advanced music visualization program for Linux, Mac OSX, and Windows. It is backward compatible with all the features of Milkdrop 1.x (and now 2.x), but has many new toys and enhancements.

  • WaveSurfer Icon


    WaveSurfer is an open source tool for sound visualization and manipulation. Typical applications are speech/sound analysis and sound annotation/transcription. WaveSurfer may be extended by plug-ins as well as embedded in other applications.

  • Speech Signal Processing Toolkit (SPTK)

    SPTK is a suite of speech signal processing tools for UNIX environments, e.g., LPC analysis, PARCOR analysis, LSP analysis, PARCOR synthesis filter, LSP synthesis filter, vector quantization techniques, and other extended versions of them.

  • WaveShop Icon


    a bit-perfect audio editor that doesn't modify samples needlessly

    WaveShop is an audio editor for Windows XP/Vista/7/8. Unlike many similar apps, WaveShop is bit-perfect, meaning samples aren't altered unless they need to be. Editing a portion of an audio file only affects that portion; the rest of the file is untouched. Blocks of audio can be cut and pasted without changing their contents at all. This is especially useful for patching a finished master without corrupting its dither.

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  • MP3 Diags

    Finds problems in MP3 files and helps the user to fix many of them using included tools. Looks at both the audio part (VBR info, quality, normalization) and the tags containing track information (ID3.) Also includes a tag editor and a file renamer.

  • VGMToolbox

    VGMToolbox is a C# based tool to assist VGM collectors and dumpers. It includes tools to extract, optimize, and build VGM formats as well as auditing and exploration utilities. [GBS, KSS, MDX, NSF(E), SID, S98, SPC, VGM, XA, XMA, xSF (PSF/PSF2/etc)]

  • Kiss FFT

    A Fast Fourier Transform based up on the principle, "Keep It Simple, Stupid." Kiss FFT is a very small, reasonably efficient, mixed radix FFT library that can use either fixed or floating point data types.

  • getID3()

    getID3() is a PHP script that extracts useful information (such as ID3 tags, bitrate, playtime, etc.) from MP3s & other multimedia file formats (Ogg, WMA, WMV, ASF, WAV, AVI, AAC, VQF, FLAC, MusePack, Real, QuickTime, Monkey's Audio, MIDI and more).

  • Virtual Sound Level Meter

    Virtual Sound Level Meter for analyzing calibrated sound files

    This project is the MATLAB development of a virtual sound level meter. The program will read in a calibrated .wav file and allow the user to analyze it as one would analyze a sound field with a sound level meter. The software implements Fast, Slow, Impulse and LEQ; A, C and Flat Weighting; Ln and Noise Dose analysis; Octave and 1/3 Octave band analysis; high resolution FFT analysis and spectrograms. Band analysis can be made using fast FFT methods or slower, but ANSI standard methods. Source code requires MATLAB + Signal Processing Toolbox. Developed under MATLAB R2010a (but might work with some earlier versions) Executable version does not require MATLAB and runs under Windows XP, Vista, and Windows 7.

  • Sonic Visualiser

    Sonic Visualiser is an application for inspecting and analysing the contents of music audio files. It combines powerful waveform and spectral visualisation tools with automated feature extraction plugins and annotation capabilities.

  • rePhase Icon


    A loudspeaker phase linearization, EQ and filtering tool

    rePhase is a FIR generation tool for building fully linear-phase active crossovers with arbitrary slopes. It also let you manually compensate for the phase shifts of your loudspeakers and existing crossovers, be it active or passive. Once generated, the FIR can be applied using any hardware (openDRC, miniSHARC, Najda, ...) or software (foobar, convolver, JRiver, ...), stereo or multi-way convolution engine. Donate: rePhase is free software. If you like it you can support its development with a donation. - paypal: Tutorials: - miniDSP application note: - Pat Brown's prosoundweb article: - mwillems' tutorial: - Jimmy Thomas' tutorial (in French): Support: - diyaudio forum thread: - miniDSP forum section:

  • jMusic - Composition in Java

    As a library of classes for generating and manipulating music and sound, jMusic provides a solid framework for computer assisted composition in Java. jMusic has a music data structure based upon note/sound events and methods for modifying and structu

  • Windows VU Meter

    Windows VU Meter is a standalone application that mimics an old stereo's VU or audio level meters. Please see the project's website at for all of the program's details and features and download.

  • MPC Maid

    MPC Maid ("MM") is a software editor for the Akai MPC 500, MPC 1000, and MPC 2500. It is Mac, PC, and Linux-compliant and makes the edition of MPC programs files easy. It also features a semi-automatic slicing tool to chop loops into slices.

  • ISSE Icon


    An Interactive Source Separation Editor

    In applications such as audio denoising, music transcription, music remixing, and audio-based forensics, it is desirable to decompose a single-channel recording into its respective sources. To perform such tasks, we present a new software tool to perform source separation by painting on time-frequency visualizations of sound. Initial results shows the software can achieve state-of-the-art separation results compared to prior work.

    Downloads: 285 This Week Last Update: See Project
  • QMP3Gain Icon


    Multiplatform GUI of MP3Gain which adjusts volume of MP3 files

    Graphical user interface front end supporting MP3Gain engine which analyzes and losslessly adjusts MP3 files to a specified target volume. A complete re-creation (made in QT4) of the original MP3Gain GUI, however it can be run on more platforms.

  • oTuner Icon


    9-Octave Chromatic Tuner

    Free open source GPL instrument / musical chromatic tuner (like an electronic guitar tuner) for Windows, Windows Mobile, & Pocket PC. Displays name of note played & accurate indication of whether pitch is sharp, flat, or exact (relative to 440Hz A).

  • OCaml FFTW

    OCaml interface to FFTW3 -- the Fastest Fourier Transform in the West! ( The code is developed at

  • Digital Room Correction

    DRC generates digital room correction FIR filters to be used within HiFi systems in conjunction with real time convolution engines like BruteFIR.

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