FFmpeg 4.4.5
abuffer
Buffer audio frames, and make them available to the filter chain.
aevalsrc
Generate an audio signal specified by an expression.
afirsrc
Generate a FIR coefficients using frequency sampling method.
anullsrc
The null audio source, return unprocessed audio frames.
flite
Synthesize a voice utterance using the libflite library.
anoisesrc
Generate a noise audio signal.
hilbert
Generate odd-tap Hilbert transform FIR coefficients.
sinc
Generate a sinc kaiser-windowed low-pass, high-pass, band-pass, or band-reject FIR coefficients.
sine
Generate an audio signal made of a sine wave with amplitude 1/8.