diff --git a/src/Extension/AAC.cpp b/src/Extension/AAC.cpp
index 71bbd5d0..e138ccf2 100644
--- a/src/Extension/AAC.cpp
+++ b/src/Extension/AAC.cpp
@@ -12,6 +12,8 @@
 
 namespace mediakit{
 
+unsigned const samplingFrequencyTable[16] = { 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350, 0, 0, 0 };
+
 class AdtsHeader{
 public:
     unsigned int syncword = 0; //12 bslbf 同步字The bit string ‘1111 1111 1111’，说明一个ADTS帧的开始
diff --git a/src/Extension/AAC.h b/src/Extension/AAC.h
index fa83722c..a20a2cef 100644
--- a/src/Extension/AAC.h
+++ b/src/Extension/AAC.h
@@ -19,7 +19,6 @@ namespace mediakit{
 
 class AACFrame;
 
-unsigned const samplingFrequencyTable[16] = { 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350, 0, 0, 0 };
 string makeAacConfig(const uint8_t *hex);
 void dumpAacConfig(const string &config, int length, uint8_t *out);
 void parseAacConfig(const string &config, int &samplerate, int &channels);