/* * 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 "AdMelSpectrogram.hpp" #include #include #include /* First 1024 samples from test wav. */ const std::vector testWav1 = std::vector{ 490,495,445,403,390,259,126,146, 175,134,232,243,166,145,123,33, -61,-4,8,-115,-281,-292,-210,-133, -98,-142,-229,-356,-415,-438,-443,-396, -377,-297,-85,122,172,16,-197,-351, -484,-408,-378,-405,-399,-335,-180,-141, -124,-108,-46,37,141,234,264,218, 147,164,132,111,125,73,2,36, 107,113,93,6,-40,-153,-273,-282, -291,-298,-389,-446,-394,-324,-333,-385, -485,-548,-690,-718,-660,-704,-690,-601, -549,-641,-637,-513,-469,-366,-227,-269, -348,-408,-486,-570,-638,-666,-730,-746, -710,-634,-543,-461,-281,-156,-130,-126, -144,-118,-23,103,132,37,-69,-86, -234,-360,-366,-330,-248,-268,-282,-169, -190,-152,-151,-145,-133,-205,-263,-397, -558,-656,-668,-718,-779,-828,-856,-817, -761,-759,-722,-772,-873,-983,-962,-897, -843,-788,-750,-677,-555,-447,-373,-218, -182,-230,-204,-174,-144,-127,-231,-199, -127,-194,-250,-183,-189,-254,-249,-337, -417,-459,-513,-505,-481,-402,-344,-284, -281,-441,-450,-423,-327,-119,102,197, 208,173,102,103,165,131,15,75, 283,365,322,391,303,287,372,406, 493,577,640,681,577,498,524,511, 476,425,380,315,337,339,408,603, 749,745,672,654,588,520,523,544, 557,632,636,565,491,413,368,252, 136,33,1,-26,-152,-258,-98,18, 1,-18,-99,-117,-109,-228,-295,-349, -334,-337,-441,-373,-279,-202,-204,-219, -119,149,410,489,564,623,683,642, 707,872,932,862,833,862,894,784, 637,559,507,394,306,420,510,484, 519,526,599,789,959,1052,1063,1030, 860,697,603,530,475,463,468,461, 609,641,534,482,435,329,239,216, 185,82,88,106,60,26,-43,-127, -220,-262,-317,-259,-172,-175,-271,-217, -196,-164,8,144,150,134,60,13, 57,-58,-115,-171,-282,-310,-298,-106, 42,-101,-172,-181,-249,-326,-262,-132, -56,-82,-71,-88,-196,-325,-426,-413, -411,-317,-191,-172,-195,-292,-328,-191, -88,-60,21,-63,-175,-135,-64,-83, -163,-279,-440,-536,-403,-308,-236,-132, -95,-69,-73,-21,13,133,185,251, 238,88,-66,-134,-175,-231,-219,-151, -213,-328,-340,-374,-459,-601,-556,-395, -248,-205,-174,-227,-402,-493,-464,-483, -588,-564,-463,-493,-505,-416,-378,-313, -215,-192,-192,-59,18,-40,-66,-60, -143,-263,-213,-224,-265,-249,-237,-227, -418,-504,-573,-699,-679,-577,-500,-570, -538,-416,-444,-415,-294,-300,-427,-423, -299,-279,-279,-187,-137,-123,60,230, 227,277,356,413,440,418,477,594, 697,729,586,561,653,570,590,628, 497,357,366,470,591,576,458,439, 417,431,447,349,304,241,294,406, 484,516,587,598,566,465,380,347, 316,391,429,409,216,69,57,76, 150,101,93,113,90,41,-28,-15, -2,47,208,261,333,362,239,301, 422,431,426,434,482,510,480,407, 244,53,-108,-234,-275,-302,-304,-207, -117,-181,-214,-248,-203,-52,5,-14, 24,-9,-154,-186,-82,-23,-62,-165, -174,-190,-368,-414,-316,-301,-180,41, 116,214,319,408,416,157,-100,-40, 118,248,310,301,302,387,458,414, 301,261,233,111,33,39,65,56, 9,-92,-87,-98,-172,-196,-186,-18, -14,-57,-111,-178,-278,-304,-358,-359, -362,-464,-528,-400,-355,-284,-189,-240, -253,-216,-319,-490,-621,-684,-758,-860, -883,-877,-847,-787,-766,-852,-727,-481, -339,-282,-266,-405,-414,-286,-225,-204, -330,-488,-412,-292,-254,-290,-372,-436, -545,-564,-413,-360,-344,-389,-430,-340, -248,-271,-343,-383,-414,-409,-272,-223, -215,-123,-10,-4,-6,-27,-11,78, 169,226,139,-19,16,100,54,-75, -117,-103,-77,-277,-598,-644,-602,-509, -396,-232,-227,-208,-153,-146,-205,-223, -108,-55,-26,-8,-42,-178,-298,-320, -254,-146,-135,-262,-370,-331,-337,-394, -265,-53,136,309,354,312,345,303, 275,338,287,269,346,329,319,327, 199,118,251,296,243,111,90,150, 104,163,274,278,242,135,93,138, 5,-154,-206,-270,-334,-356,-251,-96, -78,-123,-80,-93,-160,-217,-214,-154, -42,128,228,243,307,465,492,425, 381,382,425,530,518,484,560,654, 659,663,723,717,672,652,542,507, 471,468,579,573,459,313,262,310, 284,235,331,361,275,207,104,35, 35,89,136,192,218,161,89,64, 116,175,159,95,96,242,350,248, 170,64,-35,-136,-202,-271,-307,-290, -257,-219,-206,-185,-216,-213,-184,-135, -165,-141,-25,-31,-28,-98,-247,-162, 10,35,-16,-113,-139,-127,-58,-100, -166,-320,-406,-462,-604,-594,-650,-538, -427,-365,-196,-117,-120,-102,-66,-122, -211,-235,-202,-135,-40,-10,-38,-150, -286,-223,-50,93,149,86,184,128, 113,163,13,-53,-135,-100,-72,-75, -73,-118,-150,-197,-224,-131,-59,-109, -92,-129,-189,-220,-166,-173,-114,-8, 26,-27,-38,50,109,143,161,209, 266,289,384,397,312,203,5,-64, -14,6,56,67,19,-43,-112,-46, -74,-101,-83,-115,-142,-207,-274,-292, -299,-236,-181,-188,-48,60,6,-76, -8,115,188,260,236,143,44,-30, -17,31,37,-16,-28,87,210,276, 372,365,302,270,137,-8,-142,-246, -279,-259,-203,-241,-278,-254,-245,-177, -77,-8,-47,-159,-295,-412,-414,-414, -566,-533,-255,-82,-10,222,358,336, 355,360,303,237,267,224,244,434, 422,372,404,464,559,538,446,294, 217,60,-82,-150,-144,-162,-250,-263, -222,-148,-81,-134,-134,-106,-27,-71, }; /* Golden log mel spec output for test wav. */ const std::vector testWavMelSpec { -8.601085, -10.563560, -13.791912, -12.356619, -16.892878, -16.913876, -15.695299, -21.848980, -21.193371, -18.772688, -21.795116, -20.008236, -22.413673, -25.162649, -24.091856, -24.936411, -19.341146, -23.534576, -29.052885, -26.562546, -25.046455, -29.586889, -30.115177, -32.281334, -29.806450, -30.398304, -26.682615, -27.397421, -31.224312, -31.033779, -36.314369, -29.530331, -28.428139, -30.097546, -34.101303, -32.660480, -34.229076, -34.668293, -35.140759, -34.104649, -34.141472, -36.514408, -37.655891, -33.590931, -40.532566, -39.105091, -39.600319, -40.239834, -41.356224, -41.103714, -39.861557, -41.827553, -41.275696, -42.203575, -42.689217, -46.495552, -46.704731, -45.560322, -47.423828, -50.672031, -51.387669, -53.410839, -54.899536, -55.807552, }; arm::app::audio::AdMelSpectrogram GetMelSpecInstance() { int frameLenSamples = 1024; return arm::app::audio::AdMelSpectrogram(frameLenSamples); } template void TestQuntisedMelSpec() { float quantScale = 0.1410219967365265; int quantOffset = 11; std::vector melSpecOutput = GetMelSpecInstance().MelSpecComputeQuant(testWav1, quantScale, quantOffset); long min_val = std::numeric_limits::min(); long max_val = std::numeric_limits::max(); for (size_t i = 0; i < testWavMelSpec.size(); i++){ long TestWavMelSpec = (std::lround((testWavMelSpec[i] / quantScale) + quantOffset)); T quantizedTestWavMelSpec = static_cast(std::max(min_val, std::min(TestWavMelSpec, max_val))); REQUIRE(quantizedTestWavMelSpec == Approx(melSpecOutput[i]).margin(1)); } } template void TestQuntisedMelSpec(); template void TestQuntisedMelSpec(); template void TestQuntisedMelSpec(); TEST_CASE("Mel Spec calculation") { 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 melSpecOutput = GetMelSpecInstance().ComputeMelSpec(testWav1); REQUIRE_THAT( melSpecOutput, Catch::Approx( testWavMelSpec ).margin(0.1) ); } SECTION("int8_t") { TestQuntisedMelSpec(); } SECTION("uint8_t") { TestQuntisedMelSpec(); } SECTION("int16_t") { TestQuntisedMelSpec(); } }