Search Results for "audio measurement"
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Showing 26 open source projects for "audio measurement"
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End-To-End Document Management SoftwareUnForm® is a platform-independent software product that creates, delivers, stores and retrieves graphically enhanced documents from ERP application printing. A complete, end-to-end document management solution, UnForm interfaces at the point of printing to produce documents in various formats for printing and electronic delivery.
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AUDio MEasurement System
PC based Oscilloscope and Spectrum analyzer using sound card
AUDio MEasurement System - a multi-platfrom system for audio measurement through sound card in the PC. It contains: generator, oscilloscope, audio spectrum analyzer (FFT) and frequency sweep plot. Compiles and works under Linux, Windows and MacOS. Source code is available in "git" and as ZIP snapshot. For more information see README.md">
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Reflex
Audio measurement sfotware
Qt-based software for audio measurement (speaker parameters, frequency and phase response, etc). -
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SpectrumViewer for Windows
Continuous display of audio spectrum from PC input or wave file
Reads audio from Windows audio interface or wave file and creates a continuous spectrum display. Command line support for generating sine, square, triangle and sawtooth wave files. Uses biquad IIR digital filters for frequency detection, plus digital lowpass filters for output extraction. Highly configurable. 60+ FPS with suitable hardware. Manual or automatic gain control. -
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SOFA Toolbox
Spatially Oriented Format for Acoustics
This project provided the SOFA Toolbox, a toolbox for the spatially oriented format for acoustics (SOFA). The SOFA Toolbox is the successor of the SOFA API for Matlab/Octave. More information about SOFA can be found here: http://sofaconventions.org On July 2025, we have left SourceForge: The SOFA Toolbox 2.2.0 is the last release published here. All further releases can be found at the SONICOM Ecosystem: https://ecosystem.sonicom.eu/tools/ The code development happens on GitHub:... -
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A portable loudspeaker design system supporting measurement, modeling, simulation and optimization of boxes, filters and systems.
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PerfectSineWaves
Perfect and bit-perfect PCM encoded sine wave audio test tones
In this project, a perfect PCM sine wave is one that contains a single frequency at 0 dBTP and no error harmonics at all. A bit-perfect PCM sine wave has error harmonics due to encoding quantization, but they are at the minimum level possible for the chosen encoding. The generated wave files hold a sequence of one or more complete copies of a repeating pattern. A file containing a single pattern can be played in a loop to extend the play time. Because most audio players don't loop... -
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Loudspeaker Design Calculations Toolkit
LDCT is a cross-platform tool for common speaker design calculations.
LDCT is an open source, cross-platform application containing many calculations commonly used in loudspeaker design. -
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pydatascope
Software oscilloscope using Python and tkinter
Software oscilloscope using Python and tkinter. Supports multiple sources: socket, file, audio, USB. Displays data by samples, time or frequency. Scales the input automatically or manually. -
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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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rePhase
A loudspeaker phase linearization, EQ and filtering tool
rePhase project has moved to https://rephase.org, please go there to download rephase and to get info, support and updates. 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,... -
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Antenna, a free and open-source dvb-t (terrestrial digital tv) tuner for linux desktops. Antenna is a full featured tool to see what's going on in the sky. It enables you to scan, watch and record television, radio and services broadcasted on air.
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SoundRuler is a tool for acoustic analysis, graphing and teaching. It interactively recognizes and measures 35 temporal and spectral properties of each sound in a file. It also features several measurement, graphing and didactic modules.
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Luscinia is a program for archiving and analyzing field sound recordings (especially of animals). It incorporates an interface to a database, spectrogram measurement algorithms, sound comparison algorithms, and statistical analysis.
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A cross platform dual channel FFT based Acoustic Analysis Tool to help engineers analyze live professional sound systems using the transfer function. One feature is the ability to capture four sample plots, average them, and invert to aid in final EQ
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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... -
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pyscope
Software oscilloscope using Python and tkinter
Software oscilloscope using Python and tkinter. Supports multiple sources: socket, file, audio, USB. Displays data by samples, time or frequency. Scales the input automatically or manually. It has been renamed "pdatascope" to avoid a name-clash with Pyscope, a scoping package on PyPi. See https://sourceforge.net/p/pydatascope/ for the latest code. -
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Exactitude
Measure accuracy of file format conversion.
This is a framework used to convert files from one format to another, while providing a measurement of the accuracy and fidelity of the conversion process -
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A python-based calculator that uses the Sabine, Norris-Eyring and Fitzroy formulae to calculate the RT60 time of a room with given specifications. Material list from SAE Institute reference.
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DTMF detector library and/or application that reads in the specified audio file and returns/outputs whether DTMF detected and/or list of detected digits. May have GUI and command line interfaces.
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openEAR is the Munich Open-Source Emotion and Affect Recognition Toolkit developed at the Technische Universität München (TUM). It provides efficient (audio) feature extraction algorithms implemented in C++, classfiers, and pre-trained models on well-known emotion databases. It is now maintained and supported by audEERING. Updates will follow soon.
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This software generates a distorted version of an audio file that can give a required audio quality. This is for use with subjective tests, such as MUSHRA, where an anchor is required of a particular quality.
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This is a software library for measuring acoustic property with your sound card. It allows users to measure acoustic property without any expensive devices. This is useful for all acoustic engineers/resarchers/students.
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The CPU RightMark suite is meant for objective measurement of performance of modern and future processors in different computational tasks such as numerical modeling of physical processes and solving of 3D graphic problems.
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Maximum Length Sequence and Sinusoid Sweep response measurement library that uses the soundcard to measure loudspeakers and electrical systems.
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WISL performs network performance measurements and dynamically generates sounds (music) that represent the current state of the network. It is highly extensible: individuals can contribute soundpalettes or measurement modules.