Exemple #1
0
        public void MultipleKeywords()
        {
            var modelFilePath = Path.GetFullPath(Path.Combine(Environment.CurrentDirectory, "porcupine_params.pv"));

            Assert.IsTrue(File.Exists(modelFilePath), $"File.Exists(modelFilePath) --> {modelFilePath}");
            paths.ForEach(keywordFilePath => Assert.IsTrue(File.Exists(keywordFilePath), $"File.Exists(keywordFilePath) --> {keywordFilePath}"));

            Porcupine p = new Porcupine(modelFilePath, keywordFilePaths: paths, sensitivities: senses);

            Assert.AreEqual(PicoVoiceStatus.SUCCESS, p.Status, "the status of the creation of the recognition system has failed");
            WAVFile file = new WAVFile();

            file.Open("multiple_keywords.wav", WAVFile.WAVFileMode.READ);
            Assert.AreEqual(p.SampleRate(), file.AudioFormat.SampleRateHz, "The samplerate is not equal!!!");
            List <short> data = new List <short>();

            while (file.NumSamplesRemaining > 0)
            {
                data.Add(BitConverter.ToInt16(file.GetNextSample_ByteArray()));
            }
            int framecount = (int)Math.Floor((decimal)(data.Count / p.FrameLength()));
            var results    = new List <int>();

            for (int i = 0; i < framecount; i++)
            {
                int             start  = i * p.FrameLength();
                int             count  = p.FrameLength();
                List <short>    frame  = data.GetRange(start, count);
                PicoVoiceStatus status = p.ProcessMultipleKeywords(frame.ToArray(), out int result);
                if (result >= 0)
                {
                    results.Add(result);
                }
                Assert.AreEqual(PicoVoiceStatus.SUCCESS, status, "The status is not as expected");
            }

            var requiredRes = new[] { 8, 0, 1, 2, 3, 4, 5, 7, 8, 9 };

            Assert.AreEqual(requiredRes.Length, results.Count, $"expected results length are different expected {requiredRes.Length} got {results.Count}");
            for (var i = 0; i < results.Count; i++)
            {
                Assert.AreEqual(requiredRes[i], results[i], $"The result is not as expected, expected {requiredRes[i]} got {results[i]}");
            }

            p.Dispose();
        }