diff ext/essentia.R @ 0:205974c9568c tip

Initial commit. Predictions not included for lack of space.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ext/essentia.R	Sat Jun 29 18:45:50 2019 +0100
@@ -0,0 +1,84 @@
+library(dplyr)
+library(tidyr)
+
+feats_mode <- 'filtered_fb'
+
+feats_path <- paste0('~/Repositories/research/datasets/features/gtzan/',
+                     feats_mode, '/essentia/')
+
+essentia_feats <- read.csv(
+  file = paste0(feats_path, 'feats_essentia.csv')
+  ) 
+essentia_feats <- essentia_feats %>%
+  separate(json_file_name, c('a', 'b', 'file'), sep = '/') %>% 
+  select(-a, -b) %>%
+  separate(file, c('gt'), extra = 'drop') %>%
+  mutate(ex_id = 1:nrow(essentia_feats)) %>%
+  select(ex_id, gt, everything())
+
+
+lowlevel <- essentia_feats %>%
+  select(ex_id, gt,
+         starts_with('lowlevel'))
+rhythm <- essentia_feats %>%
+  select(ex_id, gt,
+         starts_with('rhythm'))
+tonal <- essentia_feats %>%
+  select(ex_id, gt,
+         starts_with('tonal')) %>%
+  mutate(
+    tonal.chords_scale = as.numeric(tonal.chords_scale),
+    tonal.chords_key = as.numeric(tonal.chords_key),
+    tonal.key_key = as.numeric(tonal.key_key), 
+    tonal.key_scale = as.numeric(tonal.key_scale))
+
+timbre_dynamics <- lowlevel %>%
+  select(ex_id, gt,
+         contains('loudness'),
+         contains('silence'),
+         contains('spectral'),
+         contains('complexity'),
+         contains('hfc'),
+         contains('zerocrossingrate'),
+         contains('dissonance'),
+         contains('salience'))
+mfcc <- lowlevel %>%
+  select(ex_id, gt,
+         contains('mfcc'))
+gfcc <- lowlevel %>%
+  select(ex_id, gt,
+         contains('gfcc'))
+barkbands <- lowlevel %>%
+  select(ex_id, gt,
+         contains('barkbands'))
+melbands <- lowlevel %>%
+  select(ex_id, gt,
+         contains('melbands'))
+erbbands <- lowlevel %>%
+  select(ex_id, gt,
+         contains('erbbands'))
+
+write.csv(x = rhythm, 
+          file = paste0(feats_path, 'essentia_rhythm.csv'),
+          row.names = F)
+write.csv(x = tonal, 
+          file = paste0(feats_path, 'essentia_tonal.csv'),
+          row.names = F)
+write.csv(x = timbre_dynamics, 
+          file = paste0(feats_path, 'essentia_timbre_dynamics.csv'),
+          row.names = F)
+write.csv(x = mfcc, 
+          file = paste0(feats_path, 'essentia_mfcc.csv'),
+          row.names = F)
+write.csv(x = gfcc, 
+          file = paste0(feats_path, 'essentia_gfcc.csv'),
+          row.names = F)
+write.csv(x = barkbands, 
+          file = paste0(feats_path, 'essentia_barkbands.csv'),
+          row.names = F)
+write.csv(x = melbands, 
+          file = paste0(feats_path, 'essentia_melbands.csv'),
+          row.names = F)
+write.csv(x = erbbands, 
+          file = paste0(feats_path, 'essentia_erbbands.csv'),
+          row.names = F)