world_synth

Functions

int main(int argc, char *argv[])

world_synth [ option ] spfile apfile [ f0file ]

-l int
- FFT length
-p int
- frame shift [point] \((1 \le P)\)
-s double
- sampling rate [kHz] \((8 < F_s \le 98)\)
-F int
- pitch format
  - 0 pitch \((F_s / F_0)\)
  - 1 F0
  - 2 log F0
-S int
- spectrum format
  - 0 \(20 \log_{10} |H(z)|\)
  - 1 \(\log |H(z)|\)
  - 2 \(|H(z)|\)
  - 3 \(|H(z)|^2\)
-A int
- aperiodicity format
  - 0 Ha
  - 1 Hp
  - 2 Ha/Hp
  - 3 Hp/Ha
spfile str
- double-type spectrum
apfile str
- double-type aperiodicity
f0file str
- double-type pitch, not exicitaiton
stdout
- double-type waveform

Parameters:

argc – [in] Number of arguments.
argv – [in] Argument vector.

Returns:

0 on success, 1 on failure.

See also

pitch pitch_spec ap

class WorldSynthesis

Synthesize speech waveform using WORLD vocoder.

Public Functions

WorldSynthesis(int fft_length, int frame_shift, double sampling_rate)

Parameters:

fft_length – [in] FFT length.
frame_shift – [in] Frame shift in point.
sampling_rate – [in] Sampling rate in Hz.

inline int GetFftLength() const

Returns:: FFT length.

inline virtual int GetFrameShift() const

Returns:: Frame shift.

inline double GetSamplingRate() const

Returns:: Sampling rate.

inline bool IsValid() const

Returns:: True if this object is valid.

bool Run(const std::vector<double> &f0, const std::vector<std::vector<double>> &spectrum, const std::vector<std::vector<double>> &aperiodicity, std::vector<double> *waveform) const

Parameters:

f0 – [in] Fundamental frequency in Hz.
spectrum – [in] Power spectrum.
aperiodicity – [in] Aperiodicity ratio.
waveform – [out] Synthesized waveform.

Returns:

True on success, false on failure.