snapshot

libraries/audio-tools/examples/tests/conversion/test-resample-out/test-resample-out.ino

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+#include "AudioTools.h"
+
+
+SineWaveGenerator<int16_t> sineWave(32000);                // subclass of SoundGenerator with max amplitude of 32000
+GeneratedSoundStream<int16_t> sound(sineWave);             // Stream generated from sine wave
+CsvOutput<int16_t> out(Serial); 
+ResampleStream resample(out);
+StreamCopy copier(resample, sound);                        // copies sound to out
+AudioInfo info(44100,2,16);
+
+// Arduino Setup
+void setup(void) {  
+  // Open Serial 
+  Serial.begin(115200);
+  AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
+
+  // define resample
+  auto rcfg = resample.defaultConfig();
+  rcfg.copyFrom(info);
+  rcfg.step_size = 0.5;
+  resample.begin(rcfg); 
+
+  // Define CSV Output
+  auto config = out.defaultConfig();
+  config.copyFrom(info);
+  out.begin(config);
+
+  // Setup sine wave
+  sineWave.begin(info, N_B4);
+  Serial.println("started...");
+}
+
+// Arduino loop - copy sound to out 
+void loop() {
+  copier.copy();
+}