Visualizer using audio and semantic analysis to explore BigGAN (Brock et al., 2018) latent space.

Related tags

Deep Learningdeep-learningaudio-analysismusic-visualizersemantic-analysisbiggan
Overview

BigGAN Audio Visualizer

Description

This visualizer explores BigGAN (Brock et al., 2018) latent space by using pitch/tempo of an audio file to generate and interpolate between noise/class vector inputs to the model. Classes are chosen manually or optionally using semantic similarity on BERT encodings of a lyrics corpus.

Usage:

usage: visualize.py [-h] -s SONG [--resolution {128,256,512}] [-d DURATION]
               [-ps [200-295]] [-ts [0.05-0.8]]
               [--classes CLASSES [CLASSES ...]] [-n NUM_CLASSES]
               [--jitter [0-1]] [--frame_length i*2^6] [--truncation [0.1-1]]
               [--smooth_factor [10-30]] [--batch_size BATCH_SIZE]
               [-o OUTPUT_FILE] [--use_last_vectors] [--use_last_classes]
               [-l LYRICS]

Arguments

short long default range help
-h --help show this help message and exit
-s --song input/romantic.mp3 path to input audio file
--resolution 512 {128,256,512} output video resolution
-d --duration None output video duration
-ps --pitch_sensitivity 220 [200-295] controls the sensitivity of the class vector to changes in pitch
-ts --tempo_sensitivity 0.25 [0.05-0.8] controls the sensitivity of the noise vector to changes in volume and tempo
--classes None manually specify [--num_classes] ImageNet classes
-n --num_classes 12 number of unique classes to use
--jitter 0.5 [0-1] controls jitter of the noise vector to reduce repitition
--frame_length 512 i*2^6 number of audio frames to video frames in the output
--truncation 1 [0.1-1] BigGAN truncation parameter controls complexity of structure within frames
--smooth_factor 20 [10-30] controls interpolation between class vectors to smooth rapid flucations
--batch_size 30 BigGAN batch_size
-o --output_file name of output file stored in output/, defaults to [--song] path base_name
--use_last_vectors False set flag to use previous saved class/noise vectors
--use_last_classes False set flag to use previous classes
-l --lyrics None path to lyrics file; setting [--lyrics LYRICS] computes classes by semantic similarity under BERT encodings
Owner
Rush Kapoor
UC Berkeley CS Student with experience in full-stack web development and a keen interest in efficient, interpretable ML.
Rush Kapoor
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