Changelog

0.1.0 (unreleased)

• Initial release.

• Python bindings for the full miniDSP C library API via CFFI.

• Signal generators: sine, noise, impulse, chirp, square, sawtooth, Shepard tone.

• Spectral analysis: magnitude spectrum, PSD, phase spectrum, STFT, mel filterbank, mel energies, MFCCs.

• Signal analysis: RMS, zero-crossing rate, autocorrelation, peak detection, F0 estimation.

• Effects: delay/echo, tremolo, comb reverb.

• FIR filtering: time-domain convolution, moving average, FIR filter, FFT overlap-add convolution.

• Biquad IIR filters (LPF, HPF, BPF, notch, PEQ, low/high shelf).

• DTMF tone generation and detection.

• GCC-PHAT delay estimation.

• Audio steganography (LSB and frequency-band methods).

• Spectrogram text art synthesis.