diff --git a/api/neteq/neteq.h b/api/neteq/neteq.h
index ffc3958345..5300c5601e 100644
--- a/api/neteq/neteq.h
+++ b/api/neteq/neteq.h
@@ -128,7 +128,7 @@ class NetEq {
 
     std::string ToString() const;
 
-    int sample_rate_hz = 16000;  // Initial value. Will change with input data.
+    int sample_rate_hz = 48000;  // Initial value. Will change with input data.
     bool enable_post_decode_vad = false;
     size_t max_packets_in_buffer = 200;
     int max_delay_ms = 0;
diff --git a/modules/audio_coding/acm2/audio_coding_module_unittest.cc b/modules/audio_coding/acm2/audio_coding_module_unittest.cc
index 6d3ebbfd8d..7e4b764aed 100644
--- a/modules/audio_coding/acm2/audio_coding_module_unittest.cc
+++ b/modules/audio_coding/acm2/audio_coding_module_unittest.cc
@@ -1030,7 +1030,7 @@ class AcmSenderBitExactnessNewApi : public AcmSenderBitExactnessOldApi {};
     defined(NDEBUG) && defined(WEBRTC_LINUX) && defined(WEBRTC_ARCH_X86_64)
 TEST_F(AcmSenderBitExactnessOldApi, IsacWb30ms) {
   ASSERT_NO_FATAL_FAILURE(SetUpTest("ISAC", 16000, 1, 103, 480, 480));
-  Run(/*audio_checksum_ref=*/"a3077ac01b0137e8bbc237fb1f9816a5",
+  Run(/*audio_checksum_ref=*/"37ecdabad1698a857cf811e6d1fa91df",
       /*payload_checksum_ref=*/"3c79f16f34218271f3dca4e2b1dfe1bb",
       /*expected_packets=*/33,
       /*expected_channels=*/test::AcmReceiveTestOldApi::kMonoOutput);
@@ -1038,7 +1038,7 @@ TEST_F(AcmSenderBitExactnessOldApi, IsacWb30ms) {
 
 TEST_F(AcmSenderBitExactnessOldApi, IsacWb60ms) {
   ASSERT_NO_FATAL_FAILURE(SetUpTest("ISAC", 16000, 1, 103, 960, 960));
-  Run(/*audio_checksum_ref=*/"76da9b7514f986fc2bb32b1c3170e8d4",
+  Run(/*audio_checksum_ref=*/"0e9078d23454901496a88362ba0740c3",
       /*payload_checksum_ref=*/"9e0a0ab743ad987b55b8e14802769c56",
       /*expected_packets=*/16,
       /*expected_channels=*/test::AcmReceiveTestOldApi::kMonoOutput);
@@ -1067,7 +1067,7 @@ TEST_F(AcmSenderBitExactnessOldApi, Pcm16_8000khz_10ms) {
 
 TEST_F(AcmSenderBitExactnessOldApi, Pcm16_16000khz_10ms) {
   ASSERT_NO_FATAL_FAILURE(SetUpTest("L16", 16000, 1, 108, 160, 160));
-  Run(/*audio_checksum_ref=*/"bc6ab94d12a464921763d7544fdbd07e",
+  Run(/*audio_checksum_ref=*/"f95c87bdd33f631bcf80f4b19445bbd2",
       /*payload_checksum_ref=*/"ad786526383178b08d80d6eee06e9bad",
       /*expected_packets=*/100,
       /*expected_channels=*/test::AcmReceiveTestOldApi::kMonoOutput);
@@ -1151,7 +1151,7 @@ TEST_F(AcmSenderBitExactnessOldApi, Ilbc_30ms) {
 #if defined(WEBRTC_LINUX) && defined(WEBRTC_ARCH_X86_64)
 TEST_F(AcmSenderBitExactnessOldApi, G722_20ms) {
   ASSERT_NO_FATAL_FAILURE(SetUpTest("G722", 16000, 1, 9, 320, 160));
-  Run(/*audio_checksum_ref=*/"a87a91ec0124510a64967f5d768554ff",
+  Run(/*audio_checksum_ref=*/"f5264affff25cf2cbd2e1e8a5217f9a3",
       /*payload_checksum_ref=*/"fc68a87e1380614e658087cb35d5ca10",
       /*expected_packets=*/50,
       /*expected_channels=*/test::AcmReceiveTestOldApi::kMonoOutput);