diff --git a/build/libraries/snd/ARM7/snd_i2s.c b/build/libraries/snd/ARM7/snd_i2s.c
index ae712a8..134fc76 100644
--- a/build/libraries/snd/ARM7/snd_i2s.c
+++ b/build/libraries/snd/ARM7/snd_i2s.c
@@ -44,18 +44,20 @@ static void I2Si_Init(void)
 
         reg_SND_POWCNT |= REG_SND_POWCNT_SPE_MASK;
 
+/* CODEC独立運動
+
         if ((reg_CFG_CLK & REG_CFG_CLK_SND_MASK) == 0)
         {
             // initialize codec with enabling I2S
             CDC_Init();
         }
-
+*/
         reg_CFG_TWL_EX |= REG_CFG_TWL_EX_I2S_MASK;
         if (reg_CFG_TWL_EX & REG_CFG_TWL_EX_I2S_MASK)
         {
             isTwl = TRUE;
             // Set default values
-            I2S_SetSamplingRatio(TRUE);
+//          I2S_SetSamplingRatio(TRUE);		勝手に48kにされたら困る
             I2S_SetMixingRatio(8);
             I2S_Mute(FALSE);
         }
diff --git a/build/libraries/snd/ARM7/snd_mic.c b/build/libraries/snd/ARM7/snd_mic.c
index 7d5a40c..55b3511 100644
--- a/build/libraries/snd/ARM7/snd_mic.c
+++ b/build/libraries/snd/ARM7/snd_mic.c
@@ -76,9 +76,13 @@ void MICi_Start( MICSampleRate smp, u32 dmaNo, void *dest, s32 size )
             MICi_ExDmaRecvAsync( dmaNo, dest, size );
 
             OS_SetIrqFunction( OS_IE_DMA4 << ch, MICi_ExDmaInterruptHandler );
-
             reg_OS_IF  = (OS_IE_DMA4 << ch);
             reg_OS_IE |= (OS_IE_DMA4 << ch);        // enable mic dma interrupt
+/*
+            OS_SetIrqFunction( OS_IE_MIC, MICi_FifoInterruptHandler );
+            reg_OS_IF2  = (OS_IE_MIC >> 32);
+            reg_OS_IE2 |= (OS_IE_MIC >> 32);       // disable mic fifo interrupt
+*/
         }
     }
 
@@ -191,7 +195,17 @@ void MICi_ExDmaInterruptHandler( void )
  *---------------------------------------------------------------------------*/
 void MICi_FifoInterruptHandler( void )
 {
-//    OS_TPrintf( "X" );
+
+/*
+	// 本当はDMAを停止してからFIFOをクリアした方がいいらしい
+
+	// マイクディゼーブル
+    reg_SND_MICCNT &= (u16)(~REG_SND_MICCNT_E_MASK);
+	// FIFO & エラーフラグクリア
+    reg_SND_MICCNT |= REG_SND_MICCNT_FIFO_CLR_MASK;
+	// マイクイネーブル
+    reg_SND_MICCNT |= (u16)(REG_SND_MICCNT_E_MASK);
+*/
 
 #if 0
     MICWork *wp = &micWork;