Re: [FFmpeg-user] firequalizer: What is multichannel evaluation?

2024-02-24 Thread Paul B Mahol
On Sat, Feb 24, 2024 at 9:48 PM Bernd Butscheidt via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote: > Hello, > > trying out some equalizer settings, I stepped over this part in the > documentation of ffmpeg describing the firequalizer filter: > > "multi > Enable multichannels evaluation on

[FFmpeg-user] firequalizer: What is multichannel evaluation?

2024-02-24 Thread Bernd Butscheidt via ffmpeg-user
Hello, trying out some equalizer settings, I stepped over this part in the documentation of ffmpeg describing the firequalizer filter: "multi     Enable multichannels evaluation on gain. Default is disabled" What is multichannels evaluation? And are the gain_entry settings applied to all

Re: [FFmpeg-user] How to create error log file ffmpeg Loudnorm?

2024-02-24 Thread Carl Zwanzig
On 2/24/2024 9:16 AM, CMG DiGiTaL wrote: [NULL @ 02738af86200] Unable to find a suitable output format for 'file=log.txt:level=16' file=log.txt:level=16: Invalid argument "log.txt:level=16" is not a valid filename here (you're on windoze, I assume), you may need to escape the colon or

[FFmpeg-user] How to create error log file ffmpeg Loudnorm?

2024-02-24 Thread CMG DiGiTaL
hi, I created a bat file where I enter the LUFS values to cover several audio files in a folder. However, I would like to generate an error log file. I used the command -report file=log.txt:level=16. see below the command in my bat file: md "C:\Users\%username%\Desktop\Normalizing_lufs" pushd

Re: [FFmpeg-user] Wave channel split is very slow

2024-02-24 Thread Paul B Mahol
On Sat, Feb 24, 2024 at 3:26 PM Bouke / Videotoolshed < bo...@videotoolshed.com> wrote: > On 24 Feb 2024, at 12:37, Paul B Mahol wrote: > > > > On Sat, Feb 24, 2024 at 11:33 AM Bouke / Videotoolshed < > > bo...@videotoolshed.com> wrote: > > > >> Trying to split a 64 channel 48Khz 24 bits Wave

Re: [FFmpeg-user] Wave channel split is very slow

2024-02-24 Thread Bouke / Videotoolshed
On 24 Feb 2024, at 12:37, Paul B Mahol wrote: > > On Sat, Feb 24, 2024 at 11:33 AM Bouke / Videotoolshed < > bo...@videotoolshed.com> wrote: > >> Trying to split a 64 channel 48Khz 24 bits Wave file. >> That is VERY slow. >> >> ffmpeg -i /Volumes/Data/magweg/64channel.wav -filter_complex >>

Re: [FFmpeg-user] Wave channel split is very slow

2024-02-24 Thread Paul B Mahol
On Sat, Feb 24, 2024 at 11:33 AM Bouke / Videotoolshed < bo...@videotoolshed.com> wrote: > Trying to split a 64 channel 48Khz 24 bits Wave file. > That is VERY slow. > > ffmpeg -i /Volumes/Data/magweg/64channel.wav -filter_complex > "[0]pan=mono|c0=c0[tr0]" -c:a pcm_s24le -map "[tr0]" >

[FFmpeg-user] Wave channel split is very slow

2024-02-24 Thread Bouke / Videotoolshed
Trying to split a 64 channel 48Khz 24 bits Wave file. That is VERY slow. ffmpeg -i /Volumes/Data/magweg/64channel.wav -filter_complex "[0]pan=mono|c0=c0[tr0]" -c:a pcm_s24le -map "[tr0]" /Volumes/Data/magweg/64_test/out_1.wav Runs at about 15x But if I do all 64 in one pass, it slows down to