34 lines
906 B
C++
34 lines
906 B
C++
#include "AudioTools.h"
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AudioInfo info(44100, 1, 16);
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// subclass of SoundGenerator with max amplitude of 32000
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SineWaveGenerator<int16_t> sineWave(32000);
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// Stream generated from sine wave
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GeneratedSoundStream<int16_t> sound(sineWave);
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CsvOutput<int16_t> out(Serial);
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//ResampleStreamT<LinearInterpolaror> resample(out);
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ResampleStreamT<BSplineInterpolator> resample(sound);
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StreamCopy copier(out, resample); // copies sound to out
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// Arduino Setup
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void setup(void) {
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// Open Serial
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Serial.begin(115200);
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Warning);
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// define resample
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auto rcfg = resample.defaultConfig();
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rcfg.copyFrom(info);
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rcfg.step_size = 0.5;
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resample.begin(rcfg);
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// Define CSV Output
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out.begin(info);
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// Setup sine wave
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sineWave.begin(info, N_B4);
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Serial.println("started...");
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}
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// Arduino loop - copy sound to out
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void loop() { copier.copy(); } |