Utilities

Convert

`audioflux.utils.power_to_db`(X[, min_db])	Convert power spectrogram to relative decibel(dB) spectrogram.
`audioflux.utils.power_to_abs_db`(X[, ...])	Convert power spectrogram to absolute decibel(dB) spectrogram
`audioflux.utils.mag_to_abs_db`(X[, ...])	Convert magnitude spectrogram to absolute decibel(dB) spectrogram
`audioflux.utils.log_compress`(X[, gamma])	log compression
`audioflux.utils.log10_compress`(X[, gamma])	log10 compression
`audioflux.utils.temproal_db`(X[, base])	Calculate the time domain DB
`audioflux.utils.delta`(X[, order])	Compute delta features
`audioflux.utils.get_phase`(D)	Extract phase data from a complex-valued spectrogram D.

`audioflux.utils.auditory_weight_a`(fre_arr)	Compute the weight-a of a set of frequencies.
`audioflux.utils.auditory_weight_b`(fre_arr)	Compute the weight-b of a set of frequencies.
`audioflux.utils.auditory_weight_c`(fre_arr)	Compute the weight-c of a set of frequencies.
`audioflux.utils.auditory_weight_d`(fre_arr)	Compute the weight-d of a set of frequencies.

`audioflux.utils.min_max_scale`(X)	min max scale
`audioflux.utils.stand_scale`(X[, tp])	stand scale
`audioflux.utils.max_abs_scale`(X)	max abs scale
`audioflux.utils.robust_scale`(X)	robust scale
`audioflux.utils.center_scale`(X)	center scale
`audioflux.utils.mean_scale`(X)	mean scale
`audioflux.utils.arctan_scale`(X)	arctan scale

`audioflux.read`([path, dir, is_mono, ...])	Load an audio file as a NumPy array of floats.
`audioflux.write`(path, data[, samplate, ...])	Write audio data from a NumPy array to the file.
`audioflux.convert_mono`(x)	Convert audio data from multi-channel to single-channel
`audioflux.resample`(x, source_samplate, ...)	Resample audio data from source_sr to target_sr
`audioflux.chirp`(fmin, fmax, duration[, ...])	chirp signal
`audioflux.WaveReader`(file_path)	Wave Reader
`audioflux.WaveWriter`(file_path[, samplate, ...])	Wave Writer

`audioflux.utils.note_to_midi`(note)	Convert note to MIDI number.
`audioflux.utils.note_to_hz`(note)	Convert note to the frequency (Hz).
`audioflux.utils.midi_to_note`(midi[, is_octave])	Convert MIDI number to note.
`audioflux.utils.midi_to_hz`(midi)	Convert MIDI number to the frequency (Hz).
`audioflux.utils.hz_to_note`(frequencies)	Convert the frequency (Hz) to note.
`audioflux.utils.hz_to_midi`(frequencies)	Convert the frequency (Hz) to MIDI number.
`audioflux.utils.synth_f0`(times, frequencies, ...)	Generate an audio array based on the frequency f0.

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