diff --git a/src/multimedia/audio-tuning/audio-xml-parser/mt2635/AudioParamFieldInfo.c b/src/multimedia/audio-tuning/audio-xml-parser/mt2635/AudioParamFieldInfo.c
new file mode 100644
index 0000000..d7d3625
--- /dev/null
+++ b/src/multimedia/audio-tuning/audio-xml-parser/mt2635/AudioParamFieldInfo.c
@@ -0,0 +1,174 @@
+#include "AudioParamParserPriv.h"
+
+EXPORT size_t paramInfoGetNumOfFieldInfo(ParamInfo *paramInfo)
+{
+    if (!paramInfo)
+    {
+        ERR_LOG("paramInfo is NULL!\n");
+        return 0;
+    }
+
+    return HASH_COUNT(paramInfo->fieldInfoHash);
+}
+
+EXPORT FieldInfo *paramInfoGetFieldInfoByIndex(ParamInfo *paramInfo, size_t index)
+{
+    FieldInfo *fieldInfo = NULL;
+    size_t i = 0;
+
+    if (!paramInfo)
+    {
+        ERR_LOG("paramInfo is NULL!\n");
+        return NULL;
+    }
+
+    for (fieldInfo = paramInfo->fieldInfoHash; fieldInfo ; fieldInfo = fieldInfo->hh.next)
+    {
+        if (index == i++)
+        {
+            return fieldInfo;
+        }
+    }
+
+    return NULL;
+}
+
+EXPORT FieldInfo *paramInfoGetFieldInfoByName(ParamInfo *paramInfo, const char *fieldName)
+{
+    FieldInfo *fieldInfo;
+
+    if (!paramInfo)
+    {
+        ERR_LOG("paramInfo is NULL!\n");
+        return NULL;
+    }
+
+    /* Query Param name */
+    HASH_FIND_STR(paramInfo->fieldInfoHash, fieldName, fieldInfo);
+
+    return fieldInfo;
+}
+
+EXPORT ParamInfo *paramInfoCreate(const char *name, DATA_TYPE dataType, AudioType *audioType)
+{
+    ParamInfo *paramInfo = (ParamInfo *)malloc(sizeof(ParamInfo));
+    paramInfo->audioType = audioType;
+    paramInfo->name = strdup(name);
+    paramInfo->dataType = dataType;
+    paramInfo->fieldInfoHash = NULL;
+    return paramInfo;
+}
+
+EXPORT FieldInfo *fieldInfoCreate(const char *fieldName, unsigned int arrayIndex, int startBit, int endBit, const char *checkList, ParamInfo *paramInfo)
+{
+    FieldInfo *fieldInfo = (FieldInfo *)malloc(sizeof(FieldInfo));
+
+    /* Setup members */
+    fieldInfo->name = strdup(fieldName);
+    fieldInfo->arrayIndex = arrayIndex;
+    fieldInfo->startBit = startBit;
+    fieldInfo->endBit = endBit;
+    fieldInfo->paramInfo = paramInfo;
+
+    if (checkList)
+    {
+        fieldInfo->checkListStr = strdup(checkList);
+    }
+    else
+    {
+        fieldInfo->checkListStr = utilGenCheckList(endBit - startBit + 1);
+    }
+
+    return fieldInfo;
+}
+
+EXPORT void paramInfoRelease(ParamInfo *paramInfo)
+{
+    if (paramInfo == NULL)
+    {
+        return;
+    }
+
+    if (paramInfo->fieldInfoHash)
+    {
+        FieldInfo *tmp, *item;
+        HASH_ITER(hh, paramInfo->fieldInfoHash, item, tmp)
+        {
+            HASH_DEL(paramInfo->fieldInfoHash, item);
+            fieldInfoRelease(item);
+        }
+    }
+
+    free(paramInfo->name);
+    free(paramInfo);
+}
+
+EXPORT void fieldInfoRelease(FieldInfo *fieldInfo)
+{
+    if (fieldInfo == NULL)
+    {
+        return;
+    }
+
+    if (fieldInfo->checkListStr)
+    {
+        free(fieldInfo->checkListStr);
+    }
+
+    free(fieldInfo->name);
+    free(fieldInfo);
+}
+
+EXPORT APP_STATUS fieldInfoGetCheckListValue(FieldInfo *fieldInfo, const char *checkName, unsigned int *checkVal)
+{
+    char *checkList;
+    char *valStr;
+    char *nameStr;
+    if (!fieldInfo)
+    {
+        ERR_LOG("fieldInfo is NULL\n");
+        return APP_ERROR;
+    }
+
+    if (!checkName)
+    {
+        ERR_LOG("checkName is NULL\n");
+        return APP_ERROR;
+    }
+
+    if (!checkVal)
+    {
+        ERR_LOG("checkVal is NULL\n");
+        return APP_ERROR;
+    }
+
+    checkList = strdup(fieldInfo->checkListStr);
+    valStr = strtok(checkList, ARRAY_SEPERATOR);
+    if (!valStr)
+    {
+        ERR_LOG("Cannot parse valStr\n");
+        free(checkList);
+        return APP_ERROR;
+    }
+
+    while ((nameStr = strtok(NULL, ARRAY_SEPERATOR)) != NULL)
+    {
+        if (!strcmp(nameStr, checkName))
+        {
+            *checkVal = strtoul(valStr, NULL, 0);
+            free(checkList);
+            return APP_NO_ERROR;
+        }
+
+        valStr = strtok(NULL, ARRAY_SEPERATOR);
+        if (!valStr)
+        {
+            ERR_LOG("Cannot parse valStr\n");
+            free(checkList);
+            return APP_ERROR;
+        }
+    }
+
+    free(checkList);
+    return APP_ERROR;
+}