Hi, On 9/12/18, Michael Koch <[email protected]> wrote: > Is it possible to multiply audio samples from two sources? > I'd like to downconvert the 15kHz to 25kHz range to the 0 to 10kHz > range. First apply a strong 15kHz highpass filter, then multiply the > signal with a 15kHz sine wave (which produces sum and difference > signals), then apply a 10kHz lowpass filter.
There is no yet amultiply audio filter, but I could write it. Am I correct that for it you need two audio streams as input and one audio stream as output? _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
