diff --git a/trunk/doc/CHANGELOG.md b/trunk/doc/CHANGELOG.md
index 04f8cdf7e..60ef8e207 100644
--- a/trunk/doc/CHANGELOG.md
+++ b/trunk/doc/CHANGELOG.md
@@ -7,6 +7,7 @@ The changelog for SRS.
 <a name="v7-changes"></a>
 
 ## SRS 7.0 Changelog
+* v7.0, 2025-11-04, AI: Fix AAC audio sample rate reporting in API. v7.0.101 (#4518)
 * v7.0, 2025-10-20, Merge [#4537](https://github.com/ossrs/srs/pull/4537): Forward: Reject RTMPS destinations with clear error message. v7.0.100 (#4537)
 * v7.0, 2025-10-17, Merge [#4534](https://github.com/ossrs/srs/pull/4534): HLS: Fix a iterator bug in hls_ctx cleanup function. v7.0.99 (#4534)
 * v7.0, 2025-10-16, Merge [#4530](https://github.com/ossrs/srs/pull/4530): fix crash issue caused by reload configuration file. v7.0.98 (#4530)
diff --git a/trunk/src/app/srs_app_rtmp_source.cpp b/trunk/src/app/srs_app_rtmp_source.cpp
index 232786d18..3deb096cb 100644
--- a/trunk/src/app/srs_app_rtmp_source.cpp
+++ b/trunk/src/app/srs_app_rtmp_source.cpp
@@ -997,7 +997,14 @@ srs_error_t SrsOriginHub::on_audio(SrsMediaPacket *shared_audio)
         static int flv_sound_types[] = {1, 2, 0};
 
         // when got audio stream info.
-        if ((err = stat_->on_audio_info(req_, format->acodec_->id_, c->sound_rate_, c->sound_type_, c->aac_object_)) != srs_success) {
+        // For AAC, convert aac_sample_rate_ index to SrsAudioSampleRate enum
+        // For MP3 and other codecs, use sound_rate_ directly (FLV enum)
+        SrsAudioSampleRate sample_rate = c->sound_rate_;
+        if (format->acodec_->id_ == SrsAudioCodecIdAAC && c->aac_sample_rate_ < SrsAAcSampleRateNumbers) {
+            sample_rate = srs_audio_sample_rate_from_number(srs_aac_srates[c->aac_sample_rate_]);
+        }
+
+        if ((err = stat_->on_audio_info(req_, format->acodec_->id_, sample_rate, c->sound_type_, c->aac_object_)) != srs_success) {
             return srs_error_wrap(err, "stat audio");
         }
 
diff --git a/trunk/src/app/srs_app_statistic.cpp b/trunk/src/app/srs_app_statistic.cpp
index 3ef88dc60..7873a1d61 100644
--- a/trunk/src/app/srs_app_statistic.cpp
+++ b/trunk/src/app/srs_app_statistic.cpp
@@ -166,7 +166,7 @@ srs_error_t SrsStatisticStream::dumps(SrsJsonObject *obj)
         obj->set("audio", audio);
 
         audio->set("codec", SrsJsonAny::str(srs_audio_codec_id2str(acodec_).c_str()));
-        audio->set("sample_rate", SrsJsonAny::integer(srs_flv_srates[asample_rate_]));
+        audio->set("sample_rate", SrsJsonAny::integer(srs_audio_sample_rate2number(asample_rate_)));
         audio->set("channel", SrsJsonAny::integer(asound_type_ + 1));
         audio->set("profile", SrsJsonAny::str(srs_aac_object2str(aac_object_).c_str()));
     }
diff --git a/trunk/src/core/srs_core_version7.hpp b/trunk/src/core/srs_core_version7.hpp
index 3d199c7ba..1c1366458 100644
--- a/trunk/src/core/srs_core_version7.hpp
+++ b/trunk/src/core/srs_core_version7.hpp
@@ -9,6 +9,6 @@
 
 #define VERSION_MAJOR 7
 #define VERSION_MINOR 0
-#define VERSION_REVISION 100
+#define VERSION_REVISION 101
 
 #endif
\ No newline at end of file
diff --git a/trunk/src/utest/srs_utest_ai17.cpp b/trunk/src/utest/srs_utest_ai17.cpp
index 9ab045082..f0e0e36bd 100644
--- a/trunk/src/utest/srs_utest_ai17.cpp
+++ b/trunk/src/utest/srs_utest_ai17.cpp
@@ -3012,6 +3012,45 @@ VOID TEST(StatisticTest, StreamMediaInfo)
     EXPECT_EQ(55, stream->frames_->sugar_);
 }
 
+// Test SrsStatistic audio sample rate handling for AAC 48000 Hz
+// This test verifies the fix for issue #4518 - API should report correct sample rate for AAC streams
+VOID TEST(StatisticTest, AudioSampleRateAAC48000Hz)
+{
+    srs_error_t err = srs_success;
+
+    // Create SrsStatistic instance
+    SrsUniquePtr<SrsStatistic> stat(new SrsStatistic());
+
+    // Create mock request for testing
+    SrsUniquePtr<MockSrsRequest> req(new MockSrsRequest("test.vhost", "live", "stream_48k"));
+
+    // Test on_audio_info() with AAC 48000 Hz sample rate
+    HELPER_EXPECT_SUCCESS(stat->on_audio_info(req.get(), SrsAudioCodecIdAAC, SrsAudioSampleRate48000, SrsAudioChannelsStereo, SrsAacObjectTypeAacLC));
+
+    // Verify audio info was set correctly
+    SrsStatisticStream *stream = stat->find_stream_by_url(req->get_stream_url());
+    EXPECT_TRUE(stream != NULL);
+    EXPECT_TRUE(stream->has_audio_);
+    EXPECT_EQ(SrsAudioCodecIdAAC, stream->acodec_);
+    EXPECT_EQ(SrsAudioSampleRate48000, stream->asample_rate_);
+    EXPECT_EQ(SrsAudioChannelsStereo, stream->asound_type_);
+    EXPECT_EQ(SrsAacObjectTypeAacLC, stream->aac_object_);
+
+    // Verify JSON dumps reports correct sample rate (48000 Hz, not 44100 Hz)
+    SrsUniquePtr<SrsJsonObject> obj(SrsJsonAny::object());
+    HELPER_EXPECT_SUCCESS(stream->dumps(obj.get()));
+
+    // Check that audio object exists and has correct sample_rate
+    SrsJsonAny *audio_any = obj->get_property("audio");
+    EXPECT_TRUE(audio_any != NULL);
+    EXPECT_TRUE(audio_any->is_object());
+
+    SrsJsonObject *audio = audio_any->to_object();
+    SrsJsonAny *sample_rate_any = audio->get_property("sample_rate");
+    EXPECT_TRUE(sample_rate_any != NULL);
+    EXPECT_EQ(48000, sample_rate_any->to_integer());
+}
+
 // Test SrsStatistic dumps methods: dumps_streams, dumps_clients, and dumps_hints_kv
 // This test covers the major use scenario for dumping statistics to JSON and hints
 VOID TEST(StatisticTest, DumpsStreamsClientsAndHints)