41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
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/*
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* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/audio_processing/agc2/vad_with_level.h"
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#include "rtc_base/gunit.h"
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namespace webrtc {
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namespace test {
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TEST(AutomaticGainController2VadWithLevelEstimator,
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PeakLevelGreaterThanRmsLevel) {
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constexpr size_t kSampleRateHz = 8000;
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// 10 ms input frame, constant except for one peak value.
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// Handcrafted so that the average is lower than the peak value.
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std::array<float, kSampleRateHz / 100> frame;
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frame.fill(1000.f);
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frame[10] = 2000.f;
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float* const channel0 = frame.data();
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AudioFrameView<float> frame_view(&channel0, 1, frame.size());
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// Compute audio frame levels (the VAD result is ignored).
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VadWithLevel vad_with_level;
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auto levels_and_vad_prob = vad_with_level.AnalyzeFrame(frame_view);
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// Compare peak and RMS levels.
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EXPECT_LT(levels_and_vad_prob.speech_rms_dbfs,
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levels_and_vad_prob.speech_peak_dbfs);
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}
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} // namespace test
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} // namespace webrtc
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