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/lvgl-latest/demos/music/
DREADME.md14 ## How the spectrum animation works
15 - `assets/spectrum.py` creates an array of spectrum values from a music. 4 band are created with 33…
16 - The spectrum meter UI does the following:
24 ## Using spectrum.py
26 - run `python spectrum.py my_file.mp3`
27 - see the result in `spectrum.h`
Dlv_demo_music_main.c98 static const uint16_t (* spectrum)[4]; variable
842 uint32_t ampl_main = spectrum[spectrum_i][s]; in spectrum_draw_event_cb()
919 if(spectrum[spectrum_i][0] > 12) { in spectrum_anim_cb()
929 if(spectrum[spectrum_i][0] < 4) bar_rot += dir; in spectrum_anim_cb()
931 lv_image_set_scale(album_image_obj, LV_SCALE_NONE + spectrum[spectrum_i][0]); in spectrum_anim_cb()
953 spectrum = spectrum_3; in album_image_create()
958 spectrum = spectrum_2; in album_image_create()
963 spectrum = spectrum_1; in album_image_create()
/lvgl-latest/demos/music/assets/
Dspectrum.py12 spectrum = librosa.stft(audio) variable
13 S = np.abs(spectrum)