On Mon, 2015-01-05 at 22:20 +0100, Moritz Barsnick wrote: > On Tue, Jan 06, 2015 at 04:38:47 +0800, Xuebing Wang wrote: > > >> bitrate audio (e.g. max 24.5 Mbps for 5.1 channels, 192k sampling > > >> rate, 24 bits, 5.1 channels) (i: still attain the video stream, ii, > > >> audio only)? > > Thanks Andy. Any idea what is the command line to resample TrueHD from > > like 640kbps to HBR (>6.144Mbps)? > > I think you are confusing the terms of resampling and re-encoding. I > think you mean changing the bit rate (by re-encoding). > > You can indeed resample from 48k to 192k. But why would you want to > increase the bit rate from the original TrueHD stream? The quality > won't increase from this. > > Compatibility?
Thanks. I do not care much about the quality. I am trying to verify streaming HBR (high bit rate) audio via HDMI (aka HDMI passthrough, HBR audio streams need to go through ff_spdif_muxer, implemented in libavformat/spdifenc.c). > > FWIW, the audio sample rate is controlled by "-ar", the bit rate by > "-b:a". > > Confused, > Moritz > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
