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I'm trying to test ShazamKit on Android. In the following Kotlin snippet, I load apple-test-wav.wav - a 9 second long, 48khz, 16bit PCM WAV audio snippet of the Food Math example video - and attempt to match it against the FoodMath.shazamsignature custom catalog. This audio is not capture via a microphone, it's a clean sample directly from the video and I can't get it to match. The output is always: NoMatch Am I doing something obviously wrong here? override fun onViewCreated(view: View, savedInstanceState: Bundle?) { super.onViewCreated(view, savedInstanceState) CoroutineScope(Dispatchers.IO).launch { searchCatalog() } } private suspend fun searchCatalog() { val file = context?.assets?.open("apple-test-wav.wav") if (file != null) { val bytes = file.readBytes() file.close() val signatureGenerator = (ShazamKit.createSignatureGenerator(AudioSampleRateInHz.SAMPLE_RATE_48000) as ShazamKitResult.Success).data signatureGenerator.append(bytes, bytes.size, System.currentTimeMillis()) val signature = signatureGenerator.generateSignature() val inputStream: InputStream? = context?.assets?.open("FoodMath.shazamsignature") if (inputStream!= null) { val catalog = ShazamKit.createCustomCatalog().apply { addFromCatalog(inputStream) } val session = (ShazamKit.createSession(catalog) as ShazamKitResult.Success).data val matchResult: MatchResult = session.match(signature) println(matchResult.toString()) } else { println("no input stream") } } }
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