diff --git a/Python/Xiao_BLE_tools/xiao_calibration_tool.py b/Python/Xiao_BLE_tools/xiao_calibration_tool.py
index 015a787..177bc48 100644
--- a/Python/Xiao_BLE_tools/xiao_calibration_tool.py
+++ b/Python/Xiao_BLE_tools/xiao_calibration_tool.py
@@ -44,6 +44,9 @@ debug_mode = 3           # 0=OFF, 1=RAW, 2=TRIGGERS, 3=FULL (actif par défaut)
 import numpy as np
 X = np.arange(WINDOW_SIZE)   # axe X fixe, ne change jamais
 
+# Fenêtre de moyenne glissante en samples (60ms window / 50ms debug rate = ~1.2 → 3 samples min)
+AVG_WINDOW = 3   # correspond à la accelWindow/gyroWindow/audioWindow envoyée au XIAO (60ms @ 20Hz)
+
 # ─── BLE ────────────────────────────────────────────────
 def debug_callback(sender, data):
     global audio_max_global, shot_pending
@@ -192,9 +195,12 @@ from matplotlib.animation import FuncAnimation
 BG    = '#1a1a2e'
 PANEL = '#16213e'
 TEXT  = '#e0e0e0'
-CA    = '#4fc3f7'   # accel
-CG    = '#81c784'   # gyro
-CM    = '#ce93d8'   # audio
+CA    = '#4fc3f7'   # accel brut
+CG    = '#81c784'   # gyro brut
+CM    = '#ce93d8'   # audio brut
+CA2   = '#0288d1'   # accel moyenne (plus foncé)
+CG2   = '#388e3c'   # gyro moyenne
+CM2   = '#7b1fa2'   # audio moyenne
 CT    = '#ef5350'   # trigger / seuil
 CS    = '#ff9800'   # shot (orange vif)
 GRID  = '#2a2a4a'
@@ -222,15 +228,23 @@ axes[3].set_ylim(-0.1, 1.5)
 axes[3].set_yticks([])   # pas de graduations Y sur la timeline
 
 # Créer les artistes UNE SEULE FOIS — on ne les recrée jamais
-line_a, = axes[0].plot(X, list(accel_buf), color=CA,  lw=1.5)
-line_g, = axes[1].plot(X, list(gyro_buf),  color=CG,  lw=1.5)
-line_m, = axes[2].plot(X, list(audio_buf), color=CM,  lw=1.5)
-line_s, = axes[3].plot(X, list(shot_buf),  color=CS,  lw=0, marker='|',
+line_a,  = axes[0].plot(X, list(accel_buf), color=CA,  lw=1.0, alpha=0.5, label='Brut')
+line_g,  = axes[1].plot(X, list(gyro_buf),  color=CG,  lw=1.0, alpha=0.5, label='Brut')
+line_m,  = axes[2].plot(X, list(audio_buf), color=CM,  lw=1.0, alpha=0.5, label='Brut')
+line_a2, = axes[0].plot(X, list(accel_buf), color=CA2, lw=2.0, label=f'Moyenne ({AVG_WINDOW} pts / 60ms)')
+line_g2, = axes[1].plot(X, list(gyro_buf),  color=CG2, lw=2.0, label=f'Moyenne ({AVG_WINDOW} pts / 60ms)')
+line_m2, = axes[2].plot(X, list(audio_buf), color=CM2, lw=2.0, label=f'Moyenne ({AVG_WINDOW} pts / 60ms)')
+line_s,  = axes[3].plot(X, list(shot_buf),  color=CS,  lw=0, marker='|',
                         markersize=20, markeredgewidth=2.5)  # barres verticales
 
-thr_a = axes[0].axhline(thresholds["accel"], color=CT, ls='--', lw=1.5)
-thr_g = axes[1].axhline(thresholds["gyro"],  color=CT, ls='--', lw=1.5)
-thr_m = axes[2].axhline(thresholds["audio"], color=CT, ls='--', lw=1.5)
+thr_a = axes[0].axhline(thresholds["accel"], color=CT, ls='--', lw=1.5, label='Seuil')
+thr_g = axes[1].axhline(thresholds["gyro"],  color=CT, ls='--', lw=1.5, label='Seuil')
+thr_m = axes[2].axhline(thresholds["audio"], color=CT, ls='--', lw=1.5, label='Seuil')
+
+# Légendes
+for ax in axes[:3]:
+    ax.legend(loc='upper left', fontsize=7, facecolor=PANEL, edgecolor='#444466',
+              labelcolor=TEXT, framealpha=0.8)
 
 from matplotlib.patches import Rectangle
 from matplotlib.collections import PatchCollection
@@ -262,17 +276,30 @@ def update_spans(spans, trig_list):
     for i, span in enumerate(spans):
         span.set_alpha(0.25 if i < len(tl) and tl[i] else 0)
 
+def rolling_avg(arr, window):
+    """Moyenne glissante simple — même logique que le XIAO"""
+    kernel = np.ones(window) / window
+    return np.convolve(arr, kernel, mode='same')
+
 def update(frame):
     # Snapshot des buffers (rapide)
     a  = np.array(accel_buf)
     g  = np.array(gyro_buf)
-    m  = np.array(audio_buf)
+    m  = np.array(audio_buf, dtype=float)
     s  = np.array(shot_buf)
 
+    # Moyennes glissantes (même fenêtre que le XIAO)
+    a_avg = rolling_avg(a, AVG_WINDOW)
+    g_avg = rolling_avg(g, AVG_WINDOW)
+    m_avg = rolling_avg(m, AVG_WINDOW)
+
     # Mise à jour des données des lignes
     line_a.set_ydata(a)
     line_g.set_ydata(g)
     line_m.set_ydata(m)
+    line_a2.set_ydata(a_avg)
+    line_g2.set_ydata(g_avg)
+    line_m2.set_ydata(m_avg)
     line_s.set_ydata(s)
 
     # Mise à jour des seuils
@@ -319,7 +346,7 @@ def update(frame):
         f"Debug XIAO : {DEBUG_MODE_NAMES[debug_mode]}   [NUM0 = cycle OFF->RAW->TRIGGERS->FULL]   |   "
         f"MinSensors : {min_sensors}/3   [NUM6=+1  NUM4=-1]")
 
-    return (line_a, line_g, line_m, line_s,
+    return (line_a, line_g, line_m, line_a2, line_g2, line_m2, line_s,
             thr_a, thr_g, thr_m,
             *titles, status_txt, debug_txt)