private void TestPitchDetection(Func <int, IAudioSamplesAnalyzer> audioSamplesAnalyzerProvider) { MicProfile micProfile = CreateDummyMicProfile(); string assetsPath = Application.dataPath; string sineWaveToneDir = assetsPath + "/Common/Audio/SineWaveTones/"; Dictionary <string, string> pathToExpectedMidiNoteNameMap = new(); pathToExpectedMidiNoteNameMap.Add(sineWaveToneDir + "sine-wave-a3-220hz.ogg", "A3"); pathToExpectedMidiNoteNameMap.Add(sineWaveToneDir + "sine-wave-a4-440hz.ogg", "A4"); pathToExpectedMidiNoteNameMap.Add(sineWaveToneDir + "sine-wave-a5-880hz.ogg", "A5"); pathToExpectedMidiNoteNameMap.Add(sineWaveToneDir + "sine-wave-c2-61,74hz.ogg", "C2"); pathToExpectedMidiNoteNameMap.Add(sineWaveToneDir + "sine-wave-c4-261,64hz.ogg", "C4"); pathToExpectedMidiNoteNameMap.Add(sineWaveToneDir + "sine-wave-c6-1046,50hz.ogg", "C6"); foreach (KeyValuePair <string, string> pathAndNoteName in pathToExpectedMidiNoteNameMap) { // Load the audio clip string uri = "file://" + pathAndNoteName.Key; AudioClip audioClip = AudioUtils.GetAudioClipUncached(uri, false); float[] samples = new float[audioClip.samples]; audioClip.GetData(samples, 0); // Analyze the samples IAudioSamplesAnalyzer audioSamplesAnalyzer = audioSamplesAnalyzerProvider(audioClip.frequency); PitchEvent pitchEvent = audioSamplesAnalyzer.ProcessAudioSamples(samples, 0, samples.Length - 1, micProfile); // Check result Assert.NotNull(pitchEvent, $"No pitch detected when analyzing audio resource {uri}"); string expectedName = pathAndNoteName.Value; string analyzedName = MidiUtils.GetAbsoluteName(pitchEvent.MidiNote); Assert.AreEqual(expectedName, analyzedName, $"Expected {expectedName} but was {analyzedName} when analyzing audio resource {uri}"); } }
private AudioClip LoadAndCacheAudioClip(string path, bool streamAudio) { if (!File.Exists(path)) { Debug.LogError("File does not exist: " + path); return(null); } AudioClip audioClip = AudioUtils.GetAudioClipUncached(path, streamAudio); if (audioClip == null) { Debug.LogError("Could not load not AudioClip from path: " + path); return(null); } AddAudioClipToCache(path, audioClip, streamAudio); return(audioClip); }