📁 Alignment/synch - Declipping - Dequantizing - Enhancing - Mastering - Normalizing - Noise reducing - Phasing - Pitch Shifting - Resampling - Restoring - DRC
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Alignment/synch ⌂
| Repository | Short description | Language | License | Last commit |
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| Audio alignment tool | A tool to align audio files |  |
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| Video Audio Sync for FFMPEG | Reads multiple a/v files and present them as wave forms for easier alignment |  |
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| AudioAlign | Automatically synchronize audio and video recordings that have either been recorded in parallel at the same event or contain the same aural information |  |
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| synchronize | Synchronize two streams |  |
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| Sync Audio Tracks | Audio tracks synchronization command-line tool for video editors that don't support it |  |
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| SyncSink | Synchronize audio captured from many (independent) microphones if some environmental sound is shared (leaked in) the recordings |  |
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| LTCsync | Syncs media files using embedded timecode (LTC) |  |
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| Aligning video recordings with Julia | Companion notebook for the related article |  |
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| Audio-to-audio-alignment-research | Abhijeet Pradhan's 2021 honored academic research (and code) |  |
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| align-and-compare | Code for "Utilizing Hierarchical Structure for Audio-Based Music Similarity" paper |  |
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| music_synchronization | Audio synchronization with chromagraph and dynamic time warp algorithm |  |
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| FFmatch | A program that helps to adapt audio tracks of different versions of a movie |  |
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| Clip Alignment | Aligns two tracks of digital audio that have been recorded at approximately the same time |  |
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| Synchronize-Audio | Align a large collection of unorganized and unprocessed audio and video recordings according to their starting points on an unknown time line |  |
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| audio-synch-tool | matplotlib interactive gui to align signals with high precision |  |
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| Skelly Synchronize | A package for synchronizing videos post-recording, without the need for timestamps |  |
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| Audalign | Package for aligning audio files through audio fingerprinting |  |
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| audio-offset-finder | A simple tool and library for finding the offset of an audio file within another file |  |
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| align-videos-by-sound | Align videos/sound files timewise with help of their soundtracks |  |
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| Shign | Shift and align recordings of the same audio event to match them in time |  |
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| VideoSync | Automatically synchronize crowd-sourced concert videos |  |
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Declipping ⌂
| Repository | Short description | Language | License | Last commit |
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| audio-declipper | Proof-of-concept (or more) to declip sample-based audio files |  |
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| A Survey and an Extensive Evaluation of Popular Audio Declipping Methods | Codes and data coming with article |  |
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| spade-declipping | Implementation of ASPADE and SSPADE declipping algorithms |  |
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| Consistent dictionary learning for signal declipping | This code performs declipping using 4 different approaches |  |
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| ClipAway | Web Application To Declip Audio |  |
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| Audio Declipping | audioDeclipping Project, Sparse coding course, ATSI Master |  |
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Dequantizing ⌂
| Repository | Short description | Language | License | Last commit |
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| Audio_Processing_A2D | Audio processing (Upsampling, Filtering and Quantization/De-quantization) |  |
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| Recognize Audio Quantization | - |  |
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| Audio Dequantization Using (Co)Sparse (Non)Convex Methods | Source code for the "Audio Dequantization Using (Co)Sparse (Non)Convex Methods" paper |  |
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| Audio-Signal-Processing | Sampling, Quantization, Interpolation of an audio signal |  |
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Enhancing ⌂
| Repository | Short description | Language | License | Last commit |
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| LCC | An open-source spatial audio algorithm for binaural playback over closely-spaced stereo loudspeakers |  |
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| ADRO | Attempts to make audio signals more clear and natural-sounding by automatically adjusting the dynamic range of audio signals |  |
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| SampleSafe Audio Processing Tool | Ensures that audio files start and end at zero-crossing points to prevent pops or clicks at the beginning or end of audio tracks |  |
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Mastering ⌂
| Repository | Short description | Language | License | Last commit |
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| Remaster-Compressor | A single pass audio remastering tool designed to accomplish with audio mastering industry requirements |  |
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| master_me | Automatic mastering plugin for live streaming, podcasts and internet radio. |  |
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| YAMS | An audio plugin for a 30 second master |  |
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| AssistedSpectralRebalancePlugin | Rebalances the spectrum of a piece of audio by comparing and matching it with a suitable reference provided by the user |  |
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| DrCuts | Vinyl Mastering VST Effect |  |
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| audio-prepper-desktop | An opinionated tool for mastering the audio of videos for streaming platforms |  |
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| Matchering 2.0 | A novel Containerized Web Application and Python Library for audio matching and mastering |  |
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| reference-master | Automated Music Mastering through an Optimization-Based Approach |  |
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Normalizing ⌂
| Repository | Short description | Language | License | Last commit |
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| FFmpeg_Loudness | Audio Loudness Normalization Filter Port From FFmpeg |  |
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| Dynamic Audio Normalizer | A library for advanced audio normalization purposes |  |
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| r128v3 | ffmpeg front-end for dynamic loudness normalization |  |
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| Audio-Normalizer | Increase or Decrease volume automatically to normalize it |  |
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| auto-loudnorm | Command line interface for performing an automatic two-pass loudness normalization on FFmpeg loudnorm audio filter |  |
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| Diva Normalize | Normalizes audio volumes by applying Loudness Units Full Scale (LUFS) normalization |  |
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| ffmpeg-normalize | Normalizes media files to a certain loudness level using the EBU R128 loudness, RMS-based or peak normalization procedures |  |
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| Jayden's Audio Normalizer | Provides functionalities to normalize audio levels and visualize audio data |  |
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| Normalizer | Normalize the loudness of audio files |  |
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| FFnorm | Automatic audio Normalization tool powered by FFmpeg |  |
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| ffmpeg-normalize | Audio normalization with ffmpeg |  |
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| ffmpeg-loudnorm-helper | Performs the loudness scanning pass of the given file and outputs the string of desired loudnorm options to be included in ffmpeg arguments |  |
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Noise reducing ⌂
| Repository | Short description | Language | License | Last commit |
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| libspecbleach | C library for audio noise reduction and other spectral effects |  |
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| Noiseblade | Noise removal audio plugin |  |
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| Denoise-Human-Voice | Aims to remove unwanted noise from human voice using a technique called band-limited noise |  |
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| Joint Audio Correction Kit (J.A.C.K.) | An effective solution for stationary audio noise reduction |  |
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| Audio-denoising---SDR | A software defined radio (SDR) toolkit to remove noise from audio source |  |
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| DeepFilterNet | Noise supression using deep filtering |  |
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| audio-recovery | Digital audio analyzer that implement filters for noise suppression in the audio signal |  |
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| Adaptive-Noise-Reduction | Seamlessly eliminating background noise from any audio |  |
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Phasing ⌂
| Repository | Short description | Language | License | Last commit |
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| phaserotate.lv2 | A simple plugin with a single control-slider to shift the phase of the signal ± 180 deg |  |
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| Phase Rotation Experiment | An experimental audio visualization app designed to enhance understanding of the relationship between phase and waveforms |  |
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| KickFace | Kick and bass phase correction audio plugin |  |
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| PhaseAnalyzer | A C++ plugin built with the JUCE Framework to provide insight about the relative phase relationship of audio signals |  |
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| unphased | Correct out-of-phase audio issues on YouTube |  |
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| A4PC | Automatic Analog Audio Alignment for Phase Cancellation |  |
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| phase-alignment | Phase alignment application for multi-channel recordings |  |
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| Dual_mic_phase_based_speech_enhancement | An implementation of paper 'Phase-Based Dual-Microphone Robust Speech Enhancement' paper |  |
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| phase_reconstruction | Python implementations of some phase reconstruction algorithms for audio recovery from magnitude spectrograms |  |
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| griffin_lim | Implementation of the Griffin and Lim algorithm to recover an audio signal from a magnitude-only spectrogram |  |
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| AudioPhaseCancelling | Audio removal |  |
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| Phase Align | Music software to align phase in audio files preventing phase cancellation |  |
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| phase-retrieval | Algorithm for audio signal signal reconstruction from STFT magnitude spectrum and estimated phase |  |
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Pitch Shifting ⌂
| Repository | Short description | Language | License | Last commit |
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| stftPitchShift | STFT based real-time pitch and timbre shifting |  |
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| pitch_shifter | A simple program provides two functions: (1) pitch shifter (2) time stretcher |  |
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| Pitchy | FFT based pitch shifter for windows and mac |  |
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| Bungee | Audio Time Stretch and Pitch Shift C++ Library |  |
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| pitch-shifting | Phase Vocoder Done Right / Pitch-shifting algorithm design and applications in music |  |
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| PyPSOLA | Shift pitches without affecting duration |  |
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| pitch_shifter | A lightweight pitch-shifter VST-plugin |  |
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Resampling ⌂
| Repository | Short description | Language | License | Last commit |
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| ReSampler | High quality command-line audio sample rate converter |  |
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| resampler | A Simple and Efficient Audio Resampler Implementation in C |  |
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| AudioResamplerate | An audio resamplerate program for Linux |  |
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| AUDIO-RESAMPLER | Simple audio resampler targeting embedded systems |  |
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| zita-resampler | A C++ library for sample rate conversion of audio signals |  |
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| Oversimple | A C++ library for audio oversampling, which tries to offer a simple api |  |
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| r8brain-free-src | High-quality pro audio sample rate converter / resampler C++ library |  |
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| Brick | An arbitrary-quality audio resampler, pitch-shifter, and format converter |  |
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| SRDoubler | Utilises bandlimited interpolation to double the sampling rate of an incoming signal |  |
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| go-aresample | The audio resample library |  |
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| resampy | A python module for efficient time-series resampling |  |
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Restoring ⌂
| Repository | Short description | Language | License | Last commit |
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| The Postfish | A digital audio post-processing, restoration, filtering and mixdown tool |  |
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| GPU-Declicker-UWP | Automatically finds and repairs damaged samples (clicks, pops, bit rots) in audio files |  |
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| CarefulAudioRepair | Repair short sharp noises (clicks, pops, bit rots etc.) in audio |  |
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| Declicker | Plugin to remove clicks from audio |  |
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| audio-restorer | Target and remove scratches and other audio defects from scanned audio files |  |
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| clicks_removal_audios_signal | - |  |
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| audio-rest | Audio restoration system based on spectral processing |  |
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| depops | Audio pop/click detection/repair experiments |  |
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| audioeffector43 | An audio effector which is able to do something about noise reduction, speech-speech/speech-music separation and music equalizer |  |
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| AudioRestoration | - |  |
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| Python Audio Restoration Suite | A set of tools to restore audio quality from a variety of old analog sources |  |
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| DEVINYL | Recover vynils beyond recovering |  |
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| Audio Restoration Project | Demonstrates two kinds of "click" removal mechanisms |  |
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| Audio Repair | Implements click and pop removal algorithm for audio repairs |  |
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Digital Room Correction ⌂
| Repository | Short description | Language | License | Last commit |
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| MultiSweep | Multi-channel sweep-based room correction VST |  |
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| room_correction | Room correction plug-in and stand-alone application |  |
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| DRC Designer | Graphical user interface for the open source DRC room correction software |  |
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| DRC | Digital Room Correction tools box |  |
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| RoomTuning | iOS app for consumer home speaker/room frequency response correction |  |
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| RIRME | Room Impulse Response Measuring and Evaluation |  |
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| ORCA | An algorithm developed for generating an equalizer to correct the in-room frequency response (FR) of a loudspeaker to a specified target curve |  |
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| Python Open Room Correction | DSP Loudspeaker-Room correction filter wizard; transfer function modeling and equalization by fixed-pole parallel filters |  |
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