Search Results for "frequency analysis"
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Showing 19 open source projects for "frequency analysis"
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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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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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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. -
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audioFlux
A library for audio and music analysis, feature extraction.
audioflux is a deep learning tool library for audio and music analysis, feature extraction. It supports dozens of time-frequency analysis transformation methods and hundreds of corresponding time-domain and frequency-domain feature combinations. It can be provided to deep learning networks for training, and is used to study various tasks in the audio field such as Classification, Separation, Music Information Retrieval(MIR) and ASR etc. -
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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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Vibrato Toolbox
Vibrato Toolbox: Parametric Analysis of Musical Vibrato
Vibrato Toolbox: Parametric Analysis of Musical Vibrato from High-Precision Magnitude/Frequency Tracking Mingfeng Zhang ECE, Univ. of Rochester Part I Analysis of individual music tones This MATLAB toolbox provides signal analysis tools for time-frequency analysis and for parametric analysis of musical vibrato Part II Analysis of multiple music tones or multiple harmonic partials This toolbox allows you to explore a group of audio files, and obtains its related parameters of musical vibrato. ... -
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Wavvy.Audio
Frequency analyser, led music visualisation with Serial-connect
Цветомузыка в режиме реального времени. Слушает сигнал из любого плеера. Как устанавливать и пользоваться — в разделе wiki. Написана на Max MSP для связи с Arduino по Serial порту. Программа посылает значения яркости от 4 до 255, с добавленными к ним идентификаторами частотных полос 0, 1, 2, 3. -
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ISSE
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. -
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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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CQT-FW
CQT-FW is an audio analisys tool for multiple pitch recognition
CQT-FW(Constant Q transform with Fixed length Window) is a time-frequency transform for multiple pitch recognition in audio signals(songs). The transform CQT(Constant Q Transform) provide analisys frequencies in a exponencial way, like music does, but it have problems with the time resolution. In CQT-FW we have the same frequency resolution as CQT, but with fixed length windows in time, what leads to a constant time resolution as well. And more, time and frequency resolution are not... -
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a real-time music notation detection software, features: - play in the recorder next to your computer, and the notes will apear on screen in real time! - given a music sheet, the software shows the note to play and if you play correctly
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Frequency Spectrum Dump Inputs: mp3, wav, ogg, flac, etc Scriptable, Visualization Output: csv file with the mean magnitudes of 255 frequency bands
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Online Guitar Tuner java applet which analyse your microphone or any other sound input to find fundamental frequency using a Fast Fourier Transform. Classical "Vintage" design looking like real guitar tuners.
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Tune is a note/chord detecting program for use with guitars, pianos, or voices. It uses an FFT to analyze incoming sound and computes the root frequency.
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The Audio-Analyzer project is a set of tools for measuring the frequency response, distortion, and quality of audio equipment. It includes test signal generators and spectrum analyzers.
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FourierRocks. A WAV file comparison tool
FourierRocks is a graphical application to compare sound (.wav) files.
FourierRocks is a graphical application to compare sound (.wav) files. It performs deep analysis of differences between wav files both in time and frequency domains. It's particularly useful in many situations such as: - Analyzing audio codec alterations - Checking audio player response - Analyzing CD ripping process - Comparing audio spectra (Loudspeaker comparison, Poweramp comparison, etc...) It not only compares bit information but performs an accurate and extended sound comparison (so you get an human readable and clear report). -
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A guitar tuner written in Java, comparing frequencies detected in the signal from the microphone to standard or user-defined notes. The number of notes tested and their frequency is configurable, so it can be used for other instruments and other tunings.
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eyeD3 is a Python module that provides the ability to read ID3 tags (v1 and v2), and MP3 headers (bit rate, sample frequency, play time).
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NATSpectrum is a skinnable Spectrum Analyzer, Guitar Tuner, and Quick Volume Control. NS visualization mimics WinAMP 2.x style. NS is written in pure Win32 C++ and uses DirectDraw and DirectSound. (FFT, Frequency, Mixer, Microphone, DirectX, PNG, Record)
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