diff --git a/coder/coder.cpp b/coder/coder.cpp
index 5354ad8..f12a654 100644
--- a/coder/coder.cpp
+++ b/coder/coder.cpp
@@ -216,6 +216,11 @@ std::vector<uint8_t> compress_block_adaptive_joint(
         for (float v : ch1_bands[i]) energy1[i] += v * v;
     }
 
+    for (int i = 0; i < band_count; i++) {
+        energy0[i] = std::pow(energy0[i], 0.75);
+        energy1[i] = std::pow(energy1[i], 0.75);
+    }
+
     bool has_transient = detect_strong_transient(energy0, energy1, band_count, stereo,
                                                  SETTINGS.transient_ratio_threshold);
 
diff --git a/coder/wavelet.h b/coder/wavelet.h
index 541c4fa..7b93c24 100644
--- a/coder/wavelet.h
+++ b/coder/wavelet.h
@@ -149,10 +149,10 @@ class PWPT : public DD64in {
         const int total_bands = 1 << levels;
         const size_t band_size = N >> levels;  
 
-        for (float& x : data) {
-            float absv = std::fabs(x);
-            x = std::copysign(fast_pow_075(absv), x);
-        }
+        // for (float& x : data) {
+        //     float absv = std::fabs(x);
+        //     x = std::copysign(fast_pow_075(absv), x);
+        // }
 
         if (levels > 1) {
             auto perm = gray_permutation(levels);
diff --git a/decoder/wavelet.h b/decoder/wavelet.h
index 6000df2..b3c65d9 100644
--- a/decoder/wavelet.h
+++ b/decoder/wavelet.h
@@ -144,12 +144,12 @@ class PWPT : public DD64out {
                 reordered[i] = std::move(subbands[perm[i]]);
             subbands = std::move(reordered);
         }
-        for (auto& band : subbands) {
-            for (float& coeff : band) {
-                float absv = std::fabs(coeff);
-                coeff = std::copysign(fast_pow_1333(absv), coeff);
-            }
-        }
+        // for (auto& band : subbands) {
+        //     for (float& coeff : band) {
+        //         float absv = std::fabs(coeff);
+        //         coeff = std::copysign(fast_pow_1333(absv), coeff);
+        //     }
+        // }
         return wpt_reconstruct(subbands, levels);
     }
 };