diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_adc.c b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_adc.c
index 9e20140149..d5a0243eff 100644
--- a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_adc.c
+++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_adc.c
@@ -195,7 +195,7 @@ static esp_err_t adc_dma_data_check(uint8_t *buf, int length, int ideal_level)
         } else if (ideal_level == 0) {  // low level 0v
             TEST_ASSERT_LESS_THAN(10, p->type1.data);
         } else if (ideal_level == 2) {  // middle level 1.4v
-            TEST_ASSERT_INT_WITHIN(128, 1586, p->type1.data);
+            TEST_ASSERT_INT_WITHIN(256, 1586, p->type1.data);
         } else if (ideal_level == 3) {  // normal level
         } else { // no check
         }
diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_dac.c b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_dac.c
index dc102547b1..e19fe3ff61 100644
--- a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_dac.c
+++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_dac.c
@@ -33,7 +33,7 @@
 //i2s number
 #define EXAMPLE_I2S_NUM           (0)
 //i2s sample rate
-#define EXAMPLE_I2S_SAMPLE_RATE   (16000)
+#define EXAMPLE_I2S_SAMPLE_RATE   (32000)
 //i2s data bits
 #define EXAMPLE_I2S_SAMPLE_BITS   (16)
 //enable display buffer for debug
@@ -78,7 +78,7 @@ static void example_i2s_deinit(void)
  */
 static void example_set_file_play_mode(void)
 {
-    TEST_ESP_OK(i2s_set_clk(EXAMPLE_I2S_NUM, 16000, EXAMPLE_I2S_SAMPLE_BITS, 1));
+    TEST_ESP_OK(i2s_set_clk(EXAMPLE_I2S_NUM, EXAMPLE_I2S_SAMPLE_RATE, EXAMPLE_I2S_SAMPLE_BITS, 1));
 }
 
 /**