diff --git a/code/include/IAMF_decoder.h b/code/include/IAMF_decoder.h
index 87cd0c43..8a5b443b 100755
--- a/code/include/IAMF_decoder.h
+++ b/code/include/IAMF_decoder.h
@@ -96,7 +96,7 @@ typedef struct IAMF_StreamInfo {
     IA_Profile additional_profile; /**< Additional IAMF profile */
 
     IAMF_CodecID codec_ids[IAMF_MAX_CODECS];
-    IAMF_SampleBitDepth sampling_rate; /**< Output sampling rate */
+    IAMF_SamplingRate sampling_rate; /**< Output sampling rate */
     /**< Number of samples per channel per frame */
     uint32_t samples_per_channel_in_frame;
 
@@ -284,7 +284,7 @@ int IAMF_decoder_set_normalization_loudness(IAMF_DecoderHandle handle,
  * @brief     Set pcm output bitdepth.
  * @param     [in] handle : iamf decoder handle.
  * @param     [in] bit_depth : target bit depth in bit. Must be one of the
- *                             values defined in @ref iamf_sample_bit_depth_t
+ *                             values defined in @ref IAMF_SampleBitDepth
  *                             (16, 24, or 32 bits).
  * @return    @ref IAErrCode.
  */
@@ -320,7 +320,7 @@ float IAMF_decoder_peak_limiter_get_threshold(IAMF_DecoderHandle handle);
  * @brief     Set pcm output sampling rate.
  * @param     [in] handle : iamf decoder handle.
  * @param     [in] rate : sampling rate. Must be one of the values defined in
- *                        @ref IAMF_SampleBitDepth (7350, 8000, 11025, 16000,
+ *                        @ref IAMF_SamplingRate (7350, 8000, 11025, 16000,
  *                        22050, 24000, 32000, 44100, 48000, 64000, 88200,
  *                        96000, 176400, or 192000 Hz).
  * @return    @ref IAErrCode.
diff --git a/code/src/iamf_dec/iamf_decoder.c b/code/src/iamf_dec/iamf_decoder.c
index 28cf5b19..f809be10 100755
--- a/code/src/iamf_dec/iamf_decoder.c
+++ b/code/src/iamf_dec/iamf_decoder.c
@@ -1037,7 +1037,7 @@ float IAMF_decoder_peak_limiter_get_threshold(IAMF_DecoderHandle handle) {
 
 int IAMF_decoder_set_sampling_rate(IAMF_DecoderHandle handle, uint32_t rate) {
   iamf_decoder_t *self = (iamf_decoder_t *)handle;
-  IAMF_SampleBitDepth valid_sampling_rates[] = {
+  IAMF_SamplingRate valid_sampling_rates[] = {
       SAMPLING_RATE_8000,  SAMPLING_RATE_11025, SAMPLING_RATE_16000,
       SAMPLING_RATE_22050, SAMPLING_RATE_24000, SAMPLING_RATE_32000,
       SAMPLING_RATE_44100, SAMPLING_RATE_48000, SAMPLING_RATE_64000,
@@ -1048,7 +1048,7 @@ int IAMF_decoder_set_sampling_rate(IAMF_DecoderHandle handle, uint32_t rate) {
   if (!self) return IAMF_ERR_BAD_ARG;
 
   for (int i = 0;
-       i < sizeof(valid_sampling_rates) / sizeof(IAMF_SampleBitDepth); ++i) {
+       i < sizeof(valid_sampling_rates) / sizeof(IAMF_SamplingRate); ++i) {
     if (rate == valid_sampling_rates[i]) {
       if (rate != self->ctx.sampling_rate) self->ctx.sampling_rate = rate;
       ret = IAMF_OK;