Frequently Asked.

Here are some of the most common questions frequently asked by our customers and their answers. Please, take a look to these before asking.

Is there a difference between the website and the Mac App Store version?

Short answer is there are no major differences.
I might remove Meta from sale on the Mac App Store at one point, which would make it impossible to update.

Website Mac App Store
Sandboxed No Yes (Annoying popups)
Updates Immediately 1 ~ 3 Days
Developer Support 100% 70%

What Tags does Meta support?

Meta supports almost all tags defined in the ID3v2 Specification, across all Metadata formats.
Here's the complete list:

Album File Type Original Filename Sort Album
Album Artist Genre Original Lyricist Sort Album Artist
Artist Grouping Original Date Sort Artist
BPM Involved People Playlist Delay Sort Composer
Comments ISRC Podcast (Flag) Sort Title
Compilation Key (Musical) Podcast Description Subtitle
Composer Language Podcast ID Subtitle for Set
Conductor Length Podcast URL Tagging Time
Copyright Lyrics Produced Notice Title
Disc № Lyricist Publisher / Label Track №
Discs Media Type Radio Name Tracks
Encoder Mood Radio Owner Website
Encoding Info Musician Credits Rating Year
Encoding Time Original Album Release Time
File Owner Original Artist Remix Artist

How do you write an edited file to disk?

There is no need to explicitly save anything, Meta saves changes each time you commit editing (i.e. pressing return/enter in a textfield). Of course, you can Undo any changes you may not be satisfied with.

I edited WAVE (.wav) audio files with Meta, why are the Tags not showing in iTunes / Finder?

Simply put, iTunes doesn't access any tags embedded in WAV audio files, but only uses its own database: the iTunes Library. The sad part is that the iTunes library is only available to developers for reading information, which makes any 'fix' impossible.

Why is a pertinent question. WAV files can contain metadata in multiple forms, INFO being the original specified way, which is supported in Meta, but it can unfortunately only store a limited set of keys. Meta and many other third party software thus rely on ID3v2.

Due to the lack of a standard, multiple ways for writing ID3v2 tags into WAV files have emerged throughout different software, which caused a compatibility problem (That may explain why iTunes avoids it entirely). But there might be a possibility for support to be added later-on, as iTunes already supports ID3v2.4 in AIFF (which extends the same standard as WAV called RIFF).

In the meantime, if you want to keep iTunes compatibility, your best bet is to convert to audio formats such as AIFF or ALAC. See how to do this.

Lossless audio with iTunes compatibility: Converting audio files to ALAC

If you want to have lossless audio files and iTunes/Finder compatibility, you have to use other formats such as Apple Lossless Audio Codec (ALAC).

You can convert the WAVs to ALAC (.mp4) by right clicking the files and selecting ‘Encode Selected Audio Files’ then choosing ‘Apple Lossless’.

Then copy the tags over to the resulting MP4 files using Meta. To do so select the original uncompressed files and choose EditCopy ⌘C, then select the MP4 files in the same order and choose EditPaste ⌘V.

I have some audio files opened in program X, why aren't the changes I made using Meta showing?

There's a fair chance your program only reads metadata once (upon startup, or when scanning files) and doesn't automatically detect live changes to the files you are editing with Meta. Another possibility is that the program uses its own database, and hasn't refreshed the changes yet.

To show the changes, try reopening the program so that it parses the files' Metadata again, or try changing the current folder in your program's file browser, to force a refresh.

Why won't the tags show in macOS's Finder?

Up to Mac OSX 10.11, Finder.app could only read ID3v2.3 tags. Meta, by default writes ID3v2.4, but you can change the desired version in the app's “Metadata“ preferences tab.

When editing mp3s, the “Grouping” tag value does not show in iTunes, why?

Meta reads and writes the 'Grouping' tag as defined by the ID3v2 Standard, to the frame TIT1.
iTunes behaved similarly until recently with the release of iTunes 12.5.4.42.
iTunes now writes "Grouping" values to a new, private ID3 frame GRP1.

Associated ID3 Frames:

Grouping Work
In Meta: TIT1 Not Supported
In iTunes: GRP1 TIT1

This is a breaking change. All other programs and music players have been using TIT1 to store grouping information.
Meta will stick to the standard in an effort to not break compatibility.

Accessing Tag capitalisation and string transforms

Select a group of files you wish to edit, then use either method:

In the Sidebar

  • Click on the desired tag's label.
  • Choose the desired string-transform operation.

In the Files list

  • Right click (or control-click) the selected files above the desired column/tag.
  • Select the column/tag's context menu.
  • Choose the desired string-transform operation.

What is the difference between Capitalize and Titlecase?

Capitalize will make the initial letter of every word uppercase and everything else lowercase.

Titlecase behaves in a similar way, only it does not touch words that are already uppercase, and will apply some context: Terms like LP or EP will always be uppercase, and small words (articles, coordinating conjunctions) will be kept lowercase.

Does Meta support pulling track information from online services such as FreeDB or Discogs?

Unfortunately, not yet, but that is a planned feature.

Meta just crashed, where do I find the crash reports?

To find the crash reports, you simply open Console.app
You’ll find it under /Applications/Utilities

Then in console app, there is a section called “User Diagnostic Reports”, clicking on the triangle will pop open the list, and show all the crashes that you’ve had on your machine. Select the .crash files whose name begin with “Meta”, and drag them to your mail window to drop them as attachments.