diff --git a/.idea/compiler.xml b/.idea/compiler.xml
deleted file mode 100644
index 96cc43e..0000000
--- a/.idea/compiler.xml
+++ /dev/null
@@ -1,22 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="CompilerConfiguration">
-    <resourceExtensions />
-    <wildcardResourcePatterns>
-      <entry name="!?*.java" />
-      <entry name="!?*.form" />
-      <entry name="!?*.class" />
-      <entry name="!?*.groovy" />
-      <entry name="!?*.scala" />
-      <entry name="!?*.flex" />
-      <entry name="!?*.kt" />
-      <entry name="!?*.clj" />
-      <entry name="!?*.aj" />
-    </wildcardResourcePatterns>
-    <annotationProcessing>
-      <profile default="true" name="Default" enabled="false">
-        <processorPath useClasspath="true" />
-      </profile>
-    </annotationProcessing>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/copyright/profiles_settings.xml b/.idea/copyright/profiles_settings.xml
deleted file mode 100644
index e7bedf3..0000000
--- a/.idea/copyright/profiles_settings.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<component name="CopyrightManager">
-  <settings default="" />
-</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index cc72de3..e0d5b93 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -5,45 +5,34 @@
     <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
     <option name="myNullables">
       <value>
-        <list size="4">
+        <list size="7">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
-          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
-          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
+          <item index="2" class="java.lang.String" itemvalue="javax.annotation.CheckForNull" />
+          <item index="3" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
+          <item index="4" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
+          <item index="5" class="java.lang.String" itemvalue="androidx.annotation.Nullable" />
+          <item index="6" class="java.lang.String" itemvalue="androidx.annotation.RecentlyNullable" />
         </list>
       </value>
     </option>
     <option name="myNotNulls">
       <value>
-        <list size="4">
+        <list size="6">
           <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
           <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
           <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
           <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
+          <item index="4" class="java.lang.String" itemvalue="androidx.annotation.NonNull" />
+          <item index="5" class="java.lang.String" itemvalue="androidx.annotation.RecentlyNonNull" />
         </list>
       </value>
     </option>
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
     <option name="id" value="Android" />
   </component>
-  <component name="masterDetails">
-    <states>
-      <state key="ProjectJDKs.UI">
-        <settings>
-          <last-edited>1.8</last-edited>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-    </states>
-  </component>
 </project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 88d6a84..2b815f6 100644
--- a/README.md
+++ b/README.md
@@ -89,10 +89,11 @@ statusListener为回调是的listener 重写需要用到的回调即可
 		}
 	}
 ```
+
 2. Add the dependency
 ```
 	dependencies {
-	        compile 'com.github.ideastudios:IdealRecorder:1.0.3'
+	        implementation 'com.github.ideastudios:AndroidPcmResample:v1.1.1'
 	}
 
 ```
diff --git a/library/src/main/java/tech/oom/idealrecorder/IdealRecorder.java b/library/src/main/java/tech/oom/idealrecorder/IdealRecorder.java
index f405ba8..1d3e5f5 100644
--- a/library/src/main/java/tech/oom/idealrecorder/IdealRecorder.java
+++ b/library/src/main/java/tech/oom/idealrecorder/IdealRecorder.java
@@ -235,6 +235,9 @@ public void onRecorded(final short[] wave) {
             audioFileHelper.save(bytes, 0, bytes.length);
         }
         byteArrayOutputStream.write(bytes, 0, bytes.length);
+        if (statusListener != null) {
+            statusListener.onRecordDataOnWorkerThread(wave, wave == null ? 0 : wave.length);
+        }
         runOnUi(new Runnable() {
             @Override
             public void run() {
diff --git a/library/src/main/java/tech/oom/idealrecorder/StatusListener.java b/library/src/main/java/tech/oom/idealrecorder/StatusListener.java
index 1853b3d..ce6edb2 100644
--- a/library/src/main/java/tech/oom/idealrecorder/StatusListener.java
+++ b/library/src/main/java/tech/oom/idealrecorder/StatusListener.java
@@ -22,6 +22,16 @@ public void onStartRecording() {
     public void onRecordData(short[] data, int length) {
     }
 
+    /**
+     * 录音时的buffer回调 在工作线程中
+     *
+     * @param data   PCM Data
+     * @param length 长度
+     */
+    public void onRecordDataOnWorkerThread(short[] data, int length) {
+
+    }
+
 
     /**
      * 录音时的音量