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libraries/audio-tools/examples/examples-stream/streams-memory_wav-serial/README.md

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+# Decoding a WAV file
+
+In this example we decode a WAV file into RAW output and send it to the Serial output. 
+
+This example uses the preferred EncodedAudioStream class. 
+
+Complie with Partition Scheme Huge APP!

libraries/audio-tools/examples/examples-stream/streams-memory_wav-serial/streams-memory_wav-serial.ino

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+/**
+ * @file stream-memory_wav-serial.ino
+ * @author Phil Schatzmann
+ * @brief decode WAV strea
+ * @version 0.1
+ * @date 2021-01-24
+ * 
+ * @copyright Copyright (c) 2021
+ 
+ */
+#include "AudioTools.h"
+#include "knghtsng.h"
+
+// MemoryStream -> EncodedAudioStream -> CsvOutput
+MemoryStream wav(knghtsng_wav, knghtsng_wav_len);
+CsvOutput<int16_t> out(Serial, 1);  // ASCII stream 
+EncodedAudioStream enc(&out, new WAVDecoder());
+StreamCopy copier(enc, wav);    // copy in to out
+
+void setup(){
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);  
+
+  // update number of channels from wav file
+  enc.begin();
+  out.begin();
+  wav.begin();
+}
+
+void loop(){
+  if (wav) {
+    copier.copy();
+  } else {
+    auto info = enc.decoder().audioInfo();
+    LOGI("The audio rate from the wav file is %d", info.sample_rate);
+    LOGI("The channels from the wav file is %d", info.channels);
+    stop();
+  }
+}