smaudiotool.hh

// Licensed GNU LGPL v2.1 or later: http://www.gnu.org/licenses/lgpl-2.1.html
 
#ifndef SPECTMORPH_AUDIO_TOOL_HH
#define SPECTMORPH_AUDIO_TOOL_HH
 
#include "smaudio.hh"
 
namespace SpectMorph
{
 
namespace AudioTool
{
 
double compute_energy (const Audio& audio);
void normalize_factor (double norm, Audio& audio);
void normalize_energy (double energy, Audio& audio);
 
bool get_auto_tune_factor (Audio& audio, double& tune_factor);
void apply_auto_tune_factor (Audio& audio, double tune_factor);
void auto_tune_smooth (Audio& audio, int partials, double smooth_ms, double smooth_percent);
 
class Block2Energy
{
  std::vector<float> noise_factors;
public:
  Block2Energy (double mix_freq);
 
  double energy (const AudioBlock& block);
};
 
}
 
}
 
#endif