Gurkengewuerz/audio-reactive-led-strip
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Minor bug fixes and tweaks

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This commit is contained in:
Scott Lawson 2016-10-22 22:16:08 -07:00
parent d966bb878d
commit 39325ce69b
4 changed files with 2366 additions and 16 deletions
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2352
python/Output/visualize.log Normal file
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File diff suppressed because it is too large Load Diff

9
python/config.py
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@ -3,14 +3,13 @@ from __future__ import print_function
from __future__ import division from __future__ import division
import os import os
N_PIXELS = 60 N_PIXELS = 240
"""Number of pixels in the LED strip (must match ESP8266 firmware)""" """Number of pixels in the LED strip (must match ESP8266 firmware)"""
GAMMA_TABLE_PATH = os.path.join(os.path.dirname(__file__), 'gamma_table.npy') GAMMA_TABLE_PATH = os.path.join(os.path.dirname(__file__), 'gamma_table.npy')
"""Location of the gamma correction table""" """Location of the gamma correction table"""
UDP_IP = '192.168.0.101' UDP_IP = '192.168.1.150'
#UDP_IP = '192.168.137.28'
"""IP address of the ESP8266""" """IP address of the ESP8266"""
UDP_PORT = 7777 UDP_PORT = 7777
@ -19,7 +18,7 @@ UDP_PORT = 7777
MIC_RATE = 44100 MIC_RATE = 44100
"""Sampling frequency of the microphone in Hz""" """Sampling frequency of the microphone in Hz"""
FPS = 50 FPS = 45
"""Desired LED strip update rate in frames (updates) per second """Desired LED strip update rate in frames (updates) per second
This is the desired update rate of the LED strip. The actual refresh rate of This is the desired update rate of the LED strip. The actual refresh rate of
@ -57,7 +56,7 @@ One downside to using a variance threshold is that it is an absolute threshold
which is affected by the current volume. which is affected by the current volume.
""" """
N_SUBBANDS = 40 # 240 #48 N_SUBBANDS = 80 # 240 #48
"""Number of frequency bins to use for beat detection """Number of frequency bins to use for beat detection
More subbands improve beat detection sensitivity but it may become more More subbands improve beat detection sensitivity but it may become more

5
python/led.py
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@ -5,7 +5,7 @@ import config
_sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) _sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
_gamma = np.load('gamma_table.npy') _gamma = np.load('gamma_table.npy')
_prev_pixels = np.tile(0, (config.N_PIXELS, 3)) _prev_pixels = np.tile(255, (config.N_PIXELS, 3))
pixels = np.tile(1, (config.N_PIXELS, 3)) pixels = np.tile(1, (config.N_PIXELS, 3))
"""Array containing the pixel values for the LED strip""" """Array containing the pixel values for the LED strip"""
@ -28,6 +28,5 @@ def update():
if __name__ == '__main__': if __name__ == '__main__':
pixels = pixels * 0
pixels += 0.0
update() update()

16
python/sandbox.py
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@ -10,7 +10,6 @@ import dsp
import led import led
def rainbow(length, speed=1.0 / 5.0): def rainbow(length, speed=1.0 / 5.0):
"""Returns a rainbow colored array with desired length """Returns a rainbow colored array with desired length
@ -164,7 +163,6 @@ def update_leds_6(y):
Array containing the onset energies that should be visualized. Array containing the onset energies that should be visualized.
The The
""" """
# Scale y to emphasize large spikes and attenuate small changes # Scale y to emphasize large spikes and attenuate small changes
# Exponents < 1.0 emphasize small changes and penalize large spikes # Exponents < 1.0 emphasize small changes and penalize large spikes
# Exponents > 1.0 emphasize large spikes and penalize small changes # Exponents > 1.0 emphasize large spikes and penalize small changes
@ -394,11 +392,13 @@ def microphone_update(stream):
plot_y = [onsets.value**i for i in np.linspace(1, 0.25, config.N_CURVES)] plot_y = [onsets.value**i for i in np.linspace(1, 0.25, config.N_CURVES)]
update_plot_1(plot_x, plot_y) update_plot_1(plot_x, plot_y)
app.processEvents() app.processEvents()
print('{:.2f}\t{:.2f}\t{:.2f}\t{:.2f}\t{:.2f}'.format(SF_peak.value, print('FPS {:.2f} / {:.2f}'.format(frames_per_second(), config.FPS))
NWPD_peak.value,
RCD_peak.value, # print('{:.2f}\t{:.2f}\t{:.2f}\t{:.2f}\t{:.2f}'.format(SF_peak.value,
onset_peak.value, # NWPD_peak.value,
frames_per_second())) # RCD_peak.value,
# onset_peak.value,
# frames_per_second()))
# Create plot and window # Create plot and window
@ -450,7 +450,7 @@ y_roll = np.random.rand(config.N_ROLLING_HISTORY, samples_per_frame) / 100.0
# update_leds_4 = brightness modulation effect (GAMMA = True) # update_leds_4 = brightness modulation effect (GAMMA = True)
# update_leds_5 = energy flux normalized per-bin spectrum (GAMMA = True) # update_leds_5 = energy flux normalized per-bin spectrum (GAMMA = True)
# update_leds_6 = energy average normalized per-bin spectrum (GAMMA = True) # update_leds_6 = energy average normalized per-bin spectrum (GAMMA = True)
led_visualization = update_leds_6 led_visualization = update_leds_1
if __name__ == '__main__': if __name__ == '__main__':
led.update() led.update()