diff --git a/audio/aidl/vts/VtsHalBassBoostTargetTest.cpp b/audio/aidl/vts/VtsHalBassBoostTargetTest.cpp
index abc5a91..5ce2a20 100644
--- a/audio/aidl/vts/VtsHalBassBoostTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalBassBoostTargetTest.cpp
@@ -114,7 +114,7 @@
     }
 
     static constexpr int kSamplingFrequency = 44100;
-    static constexpr int kDurationMilliSec = 2000;
+    static constexpr int kDurationMilliSec = 720;
     static constexpr int kInputSize = kSamplingFrequency * kDurationMilliSec / 1000;
     long mInputFrameCount, mOutputFrameCount;
     std::shared_ptr<IFactory> mFactory;
@@ -231,7 +231,7 @@
         return gains[0] - gains[1];
     }
 
-    static constexpr int kNPointFFT = 32768;
+    static constexpr int kNPointFFT = 16384;
     static constexpr float kBinWidth = (float)kSamplingFrequency / kNPointFFT;
     std::set<int> mStrengthValues;
     int32_t mChannelLayout;
diff --git a/audio/aidl/vts/VtsHalPresetReverbTargetTest.cpp b/audio/aidl/vts/VtsHalPresetReverbTargetTest.cpp
index 2229ff8..542f0d8 100644
--- a/audio/aidl/vts/VtsHalPresetReverbTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalPresetReverbTargetTest.cpp
@@ -82,7 +82,7 @@
     }
 
     static constexpr int kSamplingFrequency = 44100;
-    static constexpr int kDurationMilliSec = 2000;
+    static constexpr int kDurationMilliSec = 500;
     static constexpr int kBufferSize = kSamplingFrequency * kDurationMilliSec / 1000;
     int mStereoChannelCount =
             getChannelCount(AudioChannelLayout::make<AudioChannelLayout::layoutMask>(
diff --git a/audio/aidl/vts/VtsHalVirtualizerTargetTest.cpp b/audio/aidl/vts/VtsHalVirtualizerTargetTest.cpp
index f121f7c..b449f3c 100644
--- a/audio/aidl/vts/VtsHalVirtualizerTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalVirtualizerTargetTest.cpp
@@ -96,7 +96,7 @@
 
     static constexpr int kSamplingFrequency = 44100;
     static constexpr int kDefaultChannelLayout = AudioChannelLayout::LAYOUT_STEREO;
-    static constexpr int kDurationMilliSec = 2000;
+    static constexpr int kDurationMilliSec = 720;
     static constexpr int kBufferSize = kSamplingFrequency * kDurationMilliSec / 1000;
     int kChannelCount = getChannelCount(
             AudioChannelLayout::make<AudioChannelLayout::layoutMask>(kDefaultChannelLayout));
diff --git a/audio/aidl/vts/VtsHalVolumeTargetTest.cpp b/audio/aidl/vts/VtsHalVolumeTargetTest.cpp
index db2f4a9..5930dcf 100644
--- a/audio/aidl/vts/VtsHalVolumeTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalVolumeTargetTest.cpp
@@ -94,7 +94,7 @@
     }
 
     static constexpr int kSamplingFrequency = 44100;
-    static constexpr int kDurationMilliSec = 2000;
+    static constexpr int kDurationMilliSec = 720;
     static constexpr int kBufferSize = kSamplingFrequency * kDurationMilliSec / 1000;
     static constexpr int kMinLevel = -96;
     static constexpr int kDefaultChannelLayout = AudioChannelLayout::LAYOUT_STEREO;
@@ -174,7 +174,7 @@
 
     static constexpr int kMaxAudioSample = 1;
     static constexpr int kTransitionDuration = 300;
-    static constexpr int kNPointFFT = 32768;
+    static constexpr int kNPointFFT = 16384;
     static constexpr float kBinWidth = (float)kSamplingFrequency / kNPointFFT;
     static constexpr size_t offset = kSamplingFrequency * kTransitionDuration / 1000;
     static constexpr float kBaseLevel = 0;