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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What kind of metadata can be stored in m4a files?

I have a collection of voice recordings from my Android phone, all stored in .m4a files. I would like to know the date of the recording, but the file timestamps have all been set to the date at which ...
4
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1answer
56 views

How does an os know an application was downloaded from the web?

I download a compressed tar file; I uncompress it; I run make, compiling a large number of object files that are then linked to make an executable, which is embedded in a (Mac OS X) application. I ...
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1answer
244 views

How to get absolute server path of downloaded file

I have downloaded a file from a page with url download.php?id=312, which 'attaches' a file from the server. Can I somehow find the absolute path to the file on the server, i.e., the real path - not ...
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1answer
223 views

Are there any ways to protect files “Date Created” metadata?

I've recently been going through and reorganising old photos - and came across many cases where the Date created metadata would not reflect the date the photos were taken (or scanned in) but instead ...
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1answer
120 views

Difference of meta-data between mdls and mediainfo

I was wondering what are the difference between the type of metadata returned by mdls and by mediainfo. Why are they different? For exemple why the creation date is different on the same file? ...
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1answer
63 views

Delete metadata in multiple files

How do i use Find and Replace in Files in Notepad++ to delete the following lines from multiple files? <meta name="perc_linkback" id="perc_linkback" content="xxxxxxxxxxx"/> and <link rel="...
68
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3answers
3k views

Windows File is ludicrously huge and I cannot unzip it

I use an online file backup service (Backblaze) and recently got a new computer. Several files on my old computer were too large to move via my usb drive so I decided to download them from my backup ...
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0answers
371 views

Why does Adobe Acrobat Pro DC sanitize and remove hidden information double document size?

I'm using Adobe Acrobat Pro DC on Mac OS X Yosemite and find that when I run the Sanitize or Remove Hidden Information tools the document size grows dramatically. For example, my Acrobat file of 21 ...
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1answer
276 views

Git Installation Returns Error 404 On RHEL

I am trying to install Git in my REHL but failed. I have also clean up metadata and everything else by running sudo yum clean metadata and sudo yum clean all but still, the error persists again and ...
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1answer
307 views

How can I edit video (specifically mp4) metadata?

I have a few video files that are 1080p video files, but for some reason, they don't have any metadata for bitrates (audio, video, or total) or anything like that. I first noticed this when I looked ...
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1answer
373 views

Embed AMF metadata into MP4 with ffmpeg

Is it possible to manually embed timed text metadata into MP4 files? I have a TTML / SRT file with the metadata. I just need to embed the text data without doing anything to the video/audio tracks. ...
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1answer
78 views

Does ffmpeg support setting the description tag on a per-stream basis?

I'm attempting to set a description tag for each of two audio streams within an mp4 file. I'm using a command line similar to this (I've simplified): ffmpeg -i old_movie.mp4 -map 0:0 -c:v copy -map 0:...
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1answer
77 views

Can each page in a PDF contain its own metadata?

Is it possible to have the same field names, but with different metadata values for each page in a PDF? For example, let's say each page could have the fields 'author', 'document reference', '...
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0answers
32 views

How to add metadata (source of the dataset) to a file (dataset)?

I usually have to download datasets from websites through a point-and-click system that is difficult to replicate in a Makefile. In these cases, I want to include as much metadata about how I ...
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1answer
103 views

Does a CD-R store information about the computer which created it? [duplicate]

I'm most interested about this in Windows computers. When you burn a CD or DVD, does the disc contain metadata or some other information about the computer which burned it (i.e., computer name, owner, ...
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0answers
329 views

FFmpeg - Transcode video and keep original EXIF metadata in the transcoded file?

I am trying to transcode a video from a .mov (recorded with the iPhone) and add the original metadata (EXIF) to transcoded file, how can I achieve that? The original video contains EXIF metadata, etc. ...
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0answers
563 views

How to change scan type / field order in video's metadata?

VLC plays my 50i H.264 MOV incorrectly when I try to do Deinterlace = on and Deinterlace mode = Yadif 2x. The video is jumpy like crazy. Looks like it's detecting the field order incorrectly. So what ...
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0answers
15 views

Converting files saved as GIFV [duplicate]

I have a bunch of files I've saved as gifv, and now I can't find any programs to open them. Is there anyway to take the gifv files and convert them either into gif or MP4 files so that I can view them?...
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0answers
189 views

Copy creation_date metadata when converting video with ffmpeg

I want to convert a bunch of old videos to H.264 to save space, but ffmpeg always drops the creation date, no matter what fancy -map_metadata variations I use. This is obviously a huge dealbreaker for ...
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0answers
351 views

How can Recovery tools recover file's metadata?

According to articles about File system on Wikipedia, file's metadata should be saved in area of file system itself so if we format that drive, it's file table and file system will be erased though ...
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1answer
116 views

Merge .AppleDouble forks with original files

I used to place my iTunes’s media folder on a NAS accessed through AFP and, as you may know, the OS also placed several .AppleDouble files on it. Now, my NAS isn’t working as expected and the only ...
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1answer
42 views

How does Adobe restrict .psd files for new versions of their software?

How does Adobe prevent users from opening a Photoshop CC .psd file to open with a previous Photoshop version like CS2 and is there a way to remove the restriction?
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82 views

Windows: how to enable tags on old image files?

I have a lot of old photos which I want to tag. For cross-platform compatibility, I want to use IPTC Keywords for tagging. As far as I read, the native Windows photo tagging capabilities use IPTC ...
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1answer
108 views

Understanding metadata usage behavior in a newly converted btrfs filesystem

I have a 5 TB hard drive with 3.3 TiB (as reported by du) of media files in 119k files and directories; the average file size was about 28 MiB. I converted the ext4 partition into btrfs with btrfs-...
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1answer
412 views

Editing metadata of H.264 MP4 videos

Windows lets me edit some metadata fields of H.264 encoded videos, such as “Title” and “Comments.” Such data seem to be preserved inside the file itself, which is what I want. Some applications make ...
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2answers
370 views

How to add metadata and cover to an audio file in Windows 8? [closed]

I am using Windows 8 have some MP3 files with the album cover embedded. I convert them to AAC (Advanced Audio Codec) format in order to gain some space. The problems is that after I converted them, ...
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91 views

How can I extract metadata (particularly length) from a folder of many audio files in Windows 7?

I have a folder with hundreds of audio files, and the main information I want is the length. I can view it in Windows explorer, but I don't know how to extract it to put it into an Excel file so I can ...
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1answer
162 views

Erroneous volume level shifts using ffmpeg to convert AC3 in M2TS to WAV

I using ffmpeg to extract audio from non-commercial bluray m2ts video files, for subsequent loudness analysis in AudioLeak or Dolby Media Meter. The m2ts sometimes have AC3 audio and sometimes have ...
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37 views

Need to describe the relationship and data flow between documents [closed]

I have a set of documents: reports as well as Excel sheets containing data and I now need a way to describe the relationship between these two types of files i.e. which reports take their data from ...
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2answers
135 views

What's the best approach to copy Macintosh data between two NAS devices?

I have an old NAS formatted to Ext4, but which I primarily access from Macintoshs via AFP. It therefore has a bit of Macintosh-only metadata (which only seems to be visible when accessing via AFP). I ...
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1answer
299 views

Conditional statements in foobar2000 sort syntax

My music files are tagged with some custom tags, which for some reason aren't entirely standardized. This is probably due to some peculiarity with my MusicBrainz Picard set-up, but that is beside the ...
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2answers
30 views

How can I extract voice memos from a large set of JPGs?

I have thousands of JPEG files from many different photographers. Some of the files have embedded voice memos (a short audio recording of the photographer speaking into the camera's microphone to ...
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1answer
392 views

Plex - Video Podcast Metadata Agent

Is anyone aware of the ability to have Plex read video podcast metadata so that Plex will show a video podcast similarly to a TV Show or Movie, where the title, description, and poster art are ...
2
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1answer
35 views

What is the data source of a merge document

I have a MS Word merge document (not of my own making). To get the data for the merge, the file accesses a query in an Access database. How can I discover exactly what that query is? I know I can ...
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1answer
504 views

Copying files without losing metadata in Linux

How on Linux can I copy things like music files with “Artist” and “Title” tags without losing the tags? Will rsync work? Will cp? Does either one need any specific switch?
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300 views

imported or copied photos and videos show incorrect date taken in windows 8.1

I've been using Dropbox to store my pictures and videos for the past 3 years, various tools ranging from direct copy / paste from the SD card, import using Camera and Scanner Wizard and most often ...
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0answers
209 views

Batch metadata and text extraction of pdf files

I have a set of PDF files, all of which contain text. However, some of these files were somehow not created properly; the selectable text is not searchable or convertible to plain text (the resulting ...
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3answers
1k views

How Can I Batch Change the Metadata of MP3 Files? [duplicate]

I have a fews of songs in a folder which I would like to add the metadata items of artist, title, genre and album to. I would like to take the metadata info for the title and artist from the file name ...
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2answers
640 views

How to strip metadata from MP3 files?

I want to strip metadata from MP3 files. In a brief: How to simply get a stream of pure MP3 frames out of a MP3 file – by means of command line tools? Preferable using tools out of the box of a linux ...
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3answers
4k views

ffmpeg get video resolution

I am trying to get resolution of the video with the following command: ffmpeg -i filename.mp4 Thereafter I get a long output, but I need just width and height for my bash script, How should fine ...
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1answer
81 views

Transcode FLAC to FLAC without losing any metadata and replacing source files after validation

I have a fairly large collection of FLAC files which were encoded using a low compression level, and I would like to update them to a better FLAC encoder+compression level. I would like to avoid ...
2
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0answers
506 views

Can I configure VLC to automatically organize my music library like iTunes does?

iTunes has the "keep iTunes music files organized" option, which automatically uses the metadata to sort the music files into folders organized by artist and album. Is there any way to do this in VLC?...
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1answer
124 views

In EndNote, what is “Short Title” metadata field?

When adding a book into my EndNote library, a metadata field called "Short Title" is available. What is the definition of this field and its intended usage?
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1answer
179 views

How to find files that came from another computer

In a file's properties dialog you know that message This file came from another computer and may be blocked... I want a Windows 7 search query to find files that came from other computers, and files ...
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2answers
51 views

Moving iTunes tracks with all metadata

I would like to move some iTunes tracks out of my iTunes library and off my machine while preserving all the associated metadata in the process. I'm hoping to accomplish this in a way that things like ...
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1answer
180 views

What does Windows 8 use for mp3 metadata?

I've been trying to write a program to modify the metadata of audio files. I read that MP3 files normally use ID3 tags, however when I modify them, it does not change what Windows Explorer displays. ...
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2answers
2k views

Author of the document a pdf was created from?

I teach in a college, and a wee while ago I had some fun spotting students who copied other students work by simply taking their word file and "paraphrasing" the sentences. So student A would ...
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1answer
693 views

Edit “Media Duration” metadata on MP4 file

I have some video files which were converted to MP4, but not quite correctly. When I examine one with exiftool, I see these metadata values: Duration : 0:11:23 Track Duration ...
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302 views

Ffmpeg not copying location metadata

I'm converting vidoes and even though I"m using -map_metadata 0 ffmpeg -i input.mp4 -map_metadata 0 output.mp4 The above code defaults to libx264/libvo_aacenc. The location metadata is not copied, ...
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2k views

Why formatted flash memory has used space

I format my flash memory and select its file system format as FAT32 : And then take a look at the flash memory drive properties : As you see above, there is a 16KB used space. I change ...