snapshot

libraries/audio-tools/examples/tests/conversion/format-converter-in/format-converter-in.ino

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+#include "AudioTools.h"
+
+AudioInfo from_info(44100, 2, 32);
+AudioInfo to_info(44100, 2, 16);
+SineWaveGenerator<int32_t> sine_wave;                         // subclass of SoundGenerator with max amplitude of 32000
+GeneratedSoundStream<int32_t> in_stream(sine_wave);                  // Stream generated from sine wave
+CsvOutput<int16_t> out(Serial);                         // Output to Serial
+FormatConverterStream conv(in_stream);
+StreamCopy copier(out, conv);                                  // copies sound to out
+
+void setup(){
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);  
+
+  sine_wave.begin(from_info, N_B4);
+  in_stream.begin();
+
+  out.begin(to_info);
+
+  conv.begin(from_info, to_info);
+  assert(out.audioInfo() == to_info);
+  assert(sine_wave.audioInfo() == from_info);
+}
+
+void loop(){
+    copier.copy();
+}