diff --git a/src/server.cpp b/src/server.cpp
index a235b25..e24d3f0 100644
--- a/src/server.cpp
+++ b/src/server.cpp
@@ -220,7 +220,6 @@ void handleUpdateMetadata(AsyncWebServerRequest *request, uint8_t *data, size_t
     //done
     updateMetadata((char *)metadata_json);
     free(metadata_json);
-    // request->send(200, "text/plain", "all done pin config update");
     //wav_player_resume();
   }
 }
@@ -264,7 +263,6 @@ void handleWav(AsyncWebServerRequest *request, uint8_t *data, size_t len, size_t
     //done
     close_wav_to_emmc();
     add_wav_to_file_system(&w_name[0],w_voice,w_note,w_start_block,total);
-    // request->send(200, "text/plain", "done upload wav");
     //wav_player_resume();
   }
 }
diff --git a/src/wav_player.c b/src/wav_player.c
index 437750a..5724ac4 100644
--- a/src/wav_player.c
+++ b/src/wav_player.c
@@ -39,6 +39,7 @@ static const char* TAG = "wav_player";
 
 #define DAMPEN_BITS 1
 #define LOG_PERFORMANCE 0
+#define LOG_PCM 0
 
 #define MAX_READS_PER_LOOP 4
 // #define MAX_READS_PER_LOOP 3
@@ -498,8 +499,15 @@ void wav_player_task(void* pvParameters)
               sample = scale_sample(buf_pointer[bufs[buf].sample_pointer++], bufs[buf].volume);
               break;
           }
-          // mix into master 
-          output_buf[i] += (sample >> DAMPEN_BITS);
+          if(LOG_PCM)
+          {
+            log_i("%d %d", bufs[buf].wav_position, sample >> DAMPEN_BITS);
+          }
+          else
+          {
+            // mix into master
+            output_buf[i] += (sample >> DAMPEN_BITS);
+          }
           // do fading
           if( bufs[buf].fade > 0 && (i % 4 == 0))
           {