diff options
Diffstat (limited to 'tests/use_case/kws_asr/MfccTests.cc')
| -rw-r--r-- | tests/use_case/kws_asr/MfccTests.cc | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/tests/use_case/kws_asr/MfccTests.cc b/tests/use_case/kws_asr/MfccTests.cc new file mode 100644 index 0000000..9509519 --- /dev/null +++ b/tests/use_case/kws_asr/MfccTests.cc @@ -0,0 +1,156 @@ +/* + * Copyright (c) 2021 Arm Limited. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "DsCnnMfcc.hpp" + +#include <algorithm> +#include <catch.hpp> +#include <limits> + +/* First 640 samples from yes.wav. */ +const std::vector<int16_t> testWav = std::vector<int16_t>{ + 139, 143, 164, 163, 157, 156, 151, 148, 172, 171, + 165, 169, 149, 142, 145, 147, 166, 146, 112, 132, + 132, 136, 165, 176, 176, 152, 138, 158, 179, 185, + 183, 148, 121, 130, 167, 204, 163, 132, 165, 184, + 193, 205, 210, 204, 195, 178, 168, 197, 207, 201, + 197, 177, 185, 196, 191, 198, 196, 183, 193, 181, + 157, 170, 167, 159, 164, 152, 146, 167, 180, 171, + 194, 232, 204, 173, 171, 172, 184, 169, 175, 199, + 200, 195, 185, 214, 214, 193, 196, 191, 204, 191, + 172, 187, 183, 192, 203, 172, 182, 228, 232, 205, + 177, 174, 191, 210, 210, 211, 197, 177, 198, 217, + 233, 236, 203, 191, 169, 145, 149, 161, 198, 206, + 176, 137, 142, 181, 200, 215, 201, 188, 166, 162, + 184, 155, 135, 132, 126, 142, 169, 184, 172, 156, + 132, 119, 150, 147, 154, 160, 125, 130, 137, 154, + 161, 168, 195, 182, 160, 134, 138, 146, 130, 120, + 101, 122, 137, 118, 117, 131, 145, 140, 146, 148, + 148, 168, 159, 134, 114, 114, 130, 147, 147, 134, + 125, 98, 107, 127, 99, 79, 84, 107, 117, 114, + 93, 92, 127, 112, 109, 110, 96, 118, 97, 87, + 110, 95, 128, 153, 147, 165, 146, 106, 101, 137, + 139, 96, 73, 90, 91, 51, 69, 102, 100, 103, + 96, 101, 123, 107, 82, 89, 118, 127, 99, 100, + 111, 97, 111, 123, 106, 121, 133, 103, 100, 88, + 85, 111, 114, 125, 102, 91, 97, 84, 139, 157, + 109, 66, 72, 129, 111, 90, 127, 126, 101, 109, + 142, 138, 129, 159, 140, 80, 74, 78, 76, 98, + 68, 42, 106, 143, 112, 102, 115, 114, 82, 75, + 92, 80, 110, 114, 66, 86, 119, 101, 101, 103, + 118, 145, 85, 40, 62, 88, 95, 87, 73, 64, + 86, 71, 71, 105, 80, 73, 96, 92, 85, 90, + 81, 86, 105, 100, 89, 78, 102, 114, 95, 98, + 69, 70, 108, 112, 111, 90, 104, 137, 143, 160, + 145, 121, 98, 86, 91, 87, 115, 123, 109, 99, + 85, 120, 131, 116, 125, 144, 153, 111, 98, 110, + 93, 89, 101, 137, 155, 142, 108, 94, 136, 145, + 129, 129, 122, 109, 90, 76, 81, 110, 119, 96, + 95, 102, 105, 111, 90, 89, 111, 115, 86, 51, + 107, 140, 105, 105, 110, 142, 125, 76, 75, 69, + 65, 52, 61, 69, 55, 42, 47, 58, 37, 35, + 24, 20, 44, 22, 16, 26, 6, 3, 4, 23, + 60, 51, 30, 12, 24, 31, -9, -16, -13, 13, + 19, 9, 37, 55, 70, 36, 23, 57, 45, 33, + 50, 59, 18, 11, 62, 74, 52, 8, -3, 26, + 51, 48, -5, -9, 12, -7, -12, -5, 28, 41, + -2, -30, -13, 31, 33, -12, -22, -8, -15, -17, + 2, -6, -25, -27, -24, -8, 4, -9, -52, -47, + -9, -32, -45, -5, 41, 15, -32, -14, 2, -1, + -10, -30, -32, -25, -21, -17, -14, 8, -4, -13, + 34, 18, -36, -38, -18, -19, -28, -17, -14, -16, + -2, -20, -27, 12, 11, -17, -33, -12, -22, -64, + -42, -26, -23, -22, -37, -51, -53, -30, -18, -48, + -69, -38, -54, -96, -72, -49, -50, -57, -41, -22, + -43, -64, -54, -23, -49, -69, -41, -44, -42, -49, + -40, -26, -54, -50, -38, -49, -70, -94, -89, -69, + -56, -65, -71, -47, -39, -49, -79, -91, -56, -46, + -62, -86, -64, -32, -47, -50, -71, -77, -65, -68, + -52, -51, -61, -67, -61, -81, -93, -52, -59, -62, + -51, -75, -76, -50, -32, -54, -68, -70, -43, 1, + -42, -92, -80, -41, -38, -79, -69, -49, -82, -122, + -93, -21, -24, -61, -70, -73, -62, -74, -69, -43, + -25, -15, -43, -23, -26, -69, -44, -12, 1, -51, + -78, -13, 3, -53, -105, -72, -24, -62, -66, -31, + -40, -65, -86, -64, -44, -55, -63, -61, -37, -41, +}; + +/* Golden audio ops mfcc output for the above wav. */ +const std::vector<float> testWavMfcc { + -22.67135, -0.61615, 2.07233, 0.58137, 1.01655, 0.85816, 0.46039, 0.03393, 1.16511, 0.0072, +}; + +arm::app::audio::DsCnnMFCC GetMFCCInstance() { + const int sampFreq = arm::app::audio::DsCnnMFCC::ms_defaultSamplingFreq; + const int frameLenMs = 40; + const int frameLenSamples = sampFreq * frameLenMs * 0.001; + const int numMfccFeats = 10; + + return arm::app::audio::DsCnnMFCC(numMfccFeats, frameLenSamples); +} + +template <class T> +void TestQuntisedMFCC() { + const float quantScale = 1.1088106632232666; + const int quantOffset = 95; + std::vector<T> mfccOutput = GetMFCCInstance().MfccComputeQuant<T>(testWav, quantScale, quantOffset); + + const long min_val = std::numeric_limits<T>::min(); + const long max_val = std::numeric_limits<T>::max(); + + for (size_t i = 0; i < testWavMfcc.size(); ++i){ + long TestWavMfcc = (std::lround((testWavMfcc[i] / quantScale) + quantOffset)); + T quantizedTestWavMfcc = static_cast<T>(std::max(min_val, std::min(TestWavMfcc, max_val))); + + REQUIRE(quantizedTestWavMfcc == Approx(mfccOutput[i]).margin(0)); + } +} +template void TestQuntisedMFCC<int8_t>(); +template void TestQuntisedMFCC<uint8_t>(); +template void TestQuntisedMFCC<int16_t>(); + +TEST_CASE("MFCC calculation test") +{ + hal_platform platform; + data_acq_module dataAcq; + data_psn_module dataPsn; + platform_timer timer; + + /* Initialise the HAL and platform. */ + hal_init(&platform, &dataAcq, &dataPsn, &timer); + hal_platform_init(&platform); + + SECTION("FP32") + { + auto mfccOutput = GetMFCCInstance().MfccCompute(testWav); + REQUIRE_THAT( mfccOutput, Catch::Approx( testWavMfcc ).margin(0.0001) ); + } + + SECTION("int8_t") + { + TestQuntisedMFCC<int8_t>(); + } + + SECTION("uint8_t") + { + TestQuntisedMFCC<uint8_t>(); + } + + SECTION("MFCC quant calculation test - int16_t") + { + TestQuntisedMFCC<int16_t>(); + } +}
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