Questions tagged [metadata]

Metadata is commonly referred to as "data about data", and is often used for cataloging, indexing, and managing files in a computer.

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27 views

Delete “last opened” metadata on files on external hard drive

So I messed up. I was about the upload a file to my friends external hard drive when I saw a folder called "funny party images" - I opened it. And yeah - it wasn't party pictures! It was something ...
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1answer
56 views

Remove all meta-data from Outlook Email File (MSG)

I need to forward an email in Outlook as attachment. But, the recipient is not supposed to know from whom I received the email in the first place. This, information, plus many more, are visible when ...
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28 views

How do I change audio language using ffmpeg in video files contaning two or more audio tracks

I am transcoding video files, that contain 2 audio tracks - Polish and English. Unfortunately my transcoder messes somehow with metadata, and at the output, when I'm checking video file using ...
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1answer
36 views

Outlook Modifying Attachment Metadata

I received an email in Outlook from an external domain with five .png files as attachments. When I press save all, the metadata shows the "created" equals the time I received the email, and the "...
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24 views

MS Word Metadata

This semester my CS 1501 final was replaced with a take-home exam in the form of a word document to be edited and uploaded by the due date. Something went wrong on my end where the file did not upload,...
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How to repair PDF meta data to correct the representation of non-ASCII characters in the title?

Consider Bourbaki's paper Sur le théorème de Zorn in the PDF format. When I view it in Evince on Linux, I get gibberish in the window title instead of é and è: What's the proper way to correct it? ...
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44 views

How to convert this ffmpeg command to a batch command

I am trying to copy metadata for encoded mp4 files from the source file and I have found this command that does exactly this. ffmpeg -i source.mov -i encoded.mp4 -map 1 -map_metadata 0 -c copy ...
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17 views

How to have greek characters in radio metadata using winamp - edcast in icecast2 server

I am wondering how to fix the song metadata using utf-8 encoding. The radio "transmits" from http://epalxeis.caster.fm The server is an icecast2 server but i don't have authority to change any ...
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1answer
57 views

Unique ID for ripping CD-Rs

I'm involved in a project where we are ripping thousands of CD-Rs that contain music. These are (usually) one off recordings and not in any music database etc. but we need a way to uniquely identify ...
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1answer
35 views

Windows Properties tab not showing all info, varies across systems

I wanted to check the sample rate on an audio file that I had, so I right-clicked the file in my Windows Explorer and selected "Properties." However, on my machine, there's no mention of sample rate ...
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24 views

FFMPEG ID3 Metadata for FLAC Files?

I'm interested in converting an mp3 I made to FLAC using ID3 tags. I'm having 2 issues: 1) The Album Art from the old MP3's Doesn't Copy Over and 2) I don't know how to encode an old MP3 with new ...
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17 views

Spam useless data in base64-encoded image or data URI

I'm trying to make a payload that works with an image (for better testing purposes for the app I'm creating). I found I can add EXIF data to the image, but when it becomes a data URI it loses a lot of ...
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49 views

In ffmpeg, why does rotate of 90 cause rotate of 270 to be listed?

I have a file ggg.mp4 with no rotational metadata. C:\vidz>dir ggg.mp4 12/03/2020 17:50 9,304,867 ggg.mp4 C:\vidz>mediainfo ggg.mp4 | find "Rot" C:\vidz>ffmpeg -i ggg.mp4 2>&...
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359 views

How to show file names instead of metadata title in VLC?

Metadata from various artists and music websites is a gigantic inconsistent mess and much harder to edit than filenames. To actually know which file is currently playing, I would like to see it in the ...
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21 views

inject audio metadata(Ambisonics) on a spherical video

I am working on a video trim feature to be implemented for a 4k spherical 360 video on an android platform.I am using ffmpeg command to trim the video. After trimming, i am losing the spatial metadata ...
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76 views

How can I retrieve meta-data like the Bitrate of *.wav or *.mp3 files using the wmic windows cmd?

I tried using the WMIC feature like this: wmic datafile where Name="D:\\\\subfolder\\\\musictitle.mp3" list full Note: backslashes must be escaped as shown. With this command I can get access to ...
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31 views

AWS MetaData Service - how can I alias 169.254.169.254?

In order to add another security layer to my IMDS, I would like to change http://169.254.169.254 to a unique address in my ec2. How can it be done in simple Linux commands?
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Missing Dynamic Metadata after Conversion

I would like to convert an MP4 (HDR10plus) clip to HEVC format. I use ffmpeg and the conversion is done successfully but apparently the metadata is lost after this conversion. So I am wondering how I ...
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24 views

How do I stop Pandoc from embedding a bunch of private data into the finished PDF?

I was shocked to see in my PDF viewer that the PDF that Pandoc had created for me contains a bunch of information about what tools were used and their versions: "Application: LaTeX via pandoc" "PDF ...
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73 views

exchange audio & video streams or edit metadata of a GoPro H.265 video

I want to replace the audio & video streams of an original H.265 mp4 from a GoPro Hero7 with the equivalent streams from a different H.265 mp4 file (also from a Hero7, but that file is not ...
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124 views

how can I change the metadata of a video to display a custom duration or a negative duration

I found a broken video that has a negative duration when I open it up in vlc or chrome, but it's metadata seems normal, I also found a webm that has a length of zero but the actual video goes on for ...
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1answer
168 views

FFMPEG save AVI's Recorded date metadata to MP4 Tagged Date?

I'm converting my old DV tapes from AVI files to MP4 format. Is there a way to transfer AVI's "RECORDED DATE" to MP4's "TAGGED DATE"? I plan to do this in batch so I was hoping to automate it but it'...
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611 views

How do you edit the metadata of an AVI file?

I have several AVI files that I need to change the date of original creation, such that it is one year in the future. I have already tried with exiftool, and though it does successfully complete, the ...
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30 views

Remove metadata from file

I am trying to remove the metadata from a file on Windows 10. It prompts me for administrator access, which I grant, but it then says File Access Denied. You require permission from [PC NAME]/[USER] ...
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1answer
47 views

Adding Tags to TIF Files Reduces File Size

I've recently begun scanning all of the pictures in my family's archive. I'm using a Canon LiDE 400 to scan the pictures at 600 dpi directly into a TIF file, and I'm using Windows 8.1. The issue I'm ...
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1answer
51 views

Remove Page Range Metadata from PDF

I've merged multiple PDFs that were generated with Latex. These PDFs contain page ranges, meaning "real page" 40 and "real page 41" are simple transitions - e.g. adding an item to a bullet list. So ...
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75 views

Music database identifier (e.g. MBID) in EAC FLAC/Vorbis metadata

I want to … … rip Audio CDs with FLAC output using Exact Audio Copy (EAC). … include an universally unique identifier for the exact release (specific label/year/country/etc.), additionally to common ...
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24 views

Automatically choosing the PDF viewer based on the PDF producer metadata

In my workflow I deal with two major groups of the PDF documents: PDFs generated with a LaTeX compiler (pdflatex, xelatex etc.); PDFs generated by all other means (Acrobat Distiller, Adobe PDF ...
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317 views

in ffmpeg, I can't get rotation metadata removed from video file

I have a video that shows fine in media player, but when uploaded on youtube it shows rotated. Metadata shown in ffmpeg -i thefile.mp4 shows a rotation of 270 degrees. I read here Strip metadata ...
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26 views

How does a browser get music metadata from web players?

When I listen to music on Plex Web / YouTube on Vivaldi (Chromium), my desktop sound applet (I use Cinnamon, but I assume it works the same for any desktop and OS) shows title and artist (and ...
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89 views

How to get ffmpeg to copy lyrics from flac to mp3?

Using ffmpeg 4.2.1, Windows 10 64-bit, at the command line to convert. I am also using Tag&Rename and iTunes to set and view any ID3 tags. Here is the ffmpeg command I am using: ffmpeg -i input....
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28 views

Adding custom individual metadata to files to identify origin

I am starting a private course teaching a specialized technique to a group of 100+ members. I am aware that preventing videos from being leaked, copied, etc is nearly impossible (because at the most ...
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1answer
39 views

What information is needed within an XMP tag value?

I'm adding XMP metadata to a large number of TIFF files. Initially I was doing this with GIMP, but upon searching for a more efficient way to edit the metadata I found ExifTool. Looking at the tags ...
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1answer
93 views

Is there a way to get Exiftool to recursively scan the metadata of files embedded within files?

Certain media formats can contain other entire media formats fully embedded. I believe some image formats contain thumbnail images which are themselves full image files rather than just the bitmaps. ...
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46 views

Copy video track into another mp4 while keep all other data

I'm trying to swap out the video track of a GoPro mp4 file (0.mp4) with another (1.mp4) while keeping all the GPMF metadata in the 1st GoPro file. I'm trying to do it like this but it's not working. ...
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16 views

Veracrypt file - Where's the Metadata?

We have a hard drive of over 900 GB. It includes native and images and nothing else. For document review platforms such as Concordance or Relativity, a load file (.dat) is included that allows for ...
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72 views

PDF title does not show in windows 10

Is there any way to add title to PDF docs?actually I do it but windows 10 does not show PDF Titles in Explorer Columns.I need a way to show it. Is it correct that Microsoft windows does not support ...
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1answer
119 views

How do you remove a specific line/key of metadata from a pdf

I have read in multiple forums that the Universal PDF portion of the metadata of pdf books are malformed and cause errors when trying to read from it. How do you remove a specific key and value from ...
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104 views

How can I imitate the video codec of a Canon DSLR?

I have a Canon EOS Rebel SL1 (100D) with a stuck pixel in the screen that really bothers me out. I'm trying to play one of these "dead pixel fixer" videos on the camera in order to bring it to life ...
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248 views
+100

Mail client sender icons

Why do email clients (for example, Windows Mail) display icons (sender pictures) from several companies? As you can see, Microsoft, Tubmlr, Paypal provide pictures, as well as Go Daddy, Amazon, ...
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1answer
98 views

Does Windows 10 add hidden properties/metadata to files? If yes, what data is added and can it be deleted?

I understand that if you right-click on a file and navigate to the "Details" tab, you can view a list of properties such as "Date created", "Date modified", "Owner", etc. My question is whether this ...
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1answer
524 views

remove mp4 metadata with script

I want to remove meta data from a bunch of MP4 video files. I would like to do this without remux as that would take a long time. I am opened to a batch/powershell/python/vbscript solution. I have ...
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56 views

Is it possible to set a custom thumbnail size/quality to be embedded in the audio file on youtube-dl?

I've noticed it downloads the full-size video thumbnail temporarily along with the audio file on the destination folder. But when it embeds the thumbnail on the media file, it resizes to small quality....
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39 views

Use an active FreeDB server with EAC

The default FreeDB server has not responded to queries for quite some time, but I found that MusicBrainz provided a FreeDB server for metadata population. Sadly, MusicBrainz decided to end support for ...
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80 views

Adding Copyright metadata details to media files in Windows 10

Window10 gives users the access to add/edit metadata to media files(video,audio etc) by accesing it's properties (file - rightclick -properties),but it does not allow the ability to add Copyright ...
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31 views

Hive Metastore Standalone Usage

I installed and ran the Metastore Server standalone, without installing Hive. However, I cannot find any documentation about the thrift network API for communicating with the server. I need to be able ...
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1answer
63 views

Is there a way to bulk change meta data on files?

I have a bunch of music. My files have the correct name. 'Mozart - Lacrimosa' but when I right click on the file and go to properties, the title is set to 'mozart_kv_626_lacrimosa' and I have hundreds ...
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19 views

Where the per-user metadata gets saved by dnf on fedora?

While the another QA states the metadata is stored under /var/cache/dnf/ and /var/cache/PackageKit/. It looks dnf also saves per-user metadata somewhere. Where is that location? If I create a new ...
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1answer
476 views

How to prevent recovering metadata when using ExifTool?

When using exiftool -all:all= file.pdf this message appears: ExifTool PDF edits are reversible. Deleted tags may be recovered! Can tag recovery be prevented when ExifTool is used? Can it just wipe/...
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0answers
75 views

Date Accessed Field Not Updating WIndows 10

I've added the "Date Accessed" field to windows file explorer, however, it is not updating when opening media files (pictures, videos, etc.) I've edited the "ntfsDisableLastAccess" registry key to "...

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