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Can this be used to RMS normalize across multiple files? #43
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Yes, that is basically default behavior:
This will write AAC-encoded files to a folder called If you have music as MP3s, you may want to use MP3Gain instead. It does not re-encode the files and instead sets the normalization factor in the files' metadata. |
Ok, I'll try that and report back. Since I'm outputting the music from a raspberry pi over HDMI to a home theater a/v receiver (which I presume has some kind of amplifier) what is the appropriate volume to normalize the files to relative to the volume of the receiver? For example, if -45dB on my receiver is approximately the volume at which I can reasonably hear the non-normalized music collection, what level would work best with ffmpeg-normalize? Thanks. |
Try using -15 db then if that's to high try stepping it down by -5 db. As
music will lower to low to fast. -26 and below it to much in most cases. I
found that out with my ps3.
…On Nov 23, 2017 11:25 AM, "markreg" ***@***.***> wrote:
Ok, I'll try that and report back.
Since I'm outputting the music from a raspberry pi over HDMI to a home
theater a/v receiver (which I presume has some kind of amplifier) what is
the appropriate volume to normalize the files to relative to the volume of
the receiver?
For example, if -45dB on my receiver is approximately the volume at which
I can reasonably hear the non-normalized music collection, what level would
work best with ffmpeg-normalize? Thanks.
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I'm having trouble with an error:
But it works when specifying one file after another on the same command. |
it's because n windws yu can't use *.mp3 to run on more then one file. you
have use that in a bat file.
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…On Fri, Nov 24, 2017 at 2:44 PM, markreg ***@***.***> wrote:
I'm having trouble with an error:
�[1;31mERROR�[1;0m: file *.mp3 does not exist, will skip
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Something like:
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yes that wuld qrk if you want wav files not mp3's. you would have to
add ffmpeg-normalize -u -v -a mp3 -e "-b:a 128k -ar 44100"
When you're short of everything but the enemy, you're in combat.
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…On Sat, Nov 25, 2017 at 4:09 AM, Werner Robitza ***@***.***> wrote:
Something like:
for %%A IN (*.mp3) DO ffmpeg-normalize … "%%A"
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Ok, the for loop worked well. One last question, is there a way for ffmpeg-normalize to simply copy the file if no normalization needs to occur (rather than skipping the file)? Otherwise I need to copy the files which were not normalized from the original directory which may be forgotten. Thanks. |
If you are using it windows short answer is no. Because there is no ez way
to get the text output from the command prompt or Powershell you would need
to do that under a unix like os.
…On Dec 10, 2017 6:34 PM, "markreg" ***@***.***> wrote:
Ok, the for loop worked well.
One last question, is there a way for ffmpeg-normalize to simply copy the
file if no normalization needs to occur (rather than skipping the file)?
Otherwise I need to copy the files which were not normalized from the
original directory which may be forgotten. Thanks.
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No, but this would be a nice feature addition. I'll put it on the list. |
I have a folder of music from different albums all at varying volumes. Is it possible to use ffmpeg-normalize to analyze the RMS volume in all files and increase/alter the volume accordingly?
Thanks!
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