In the following sentences, the following applications will be referred to as "this app" and explained.
About "DRM(Digital Copyrights Management) data and iCloud data" which is dedicated data to the "music" app, this is a description of handling with this app.
Originally, a dedicated data to "music" app can not be played with applications other than "music" app.
Normally, other applications can only display that the data is "DRM(Digital Copyrights Management) data and iCloud data".
In this app, it is also possible to playback the data with the music app as Extra function(For checking sound source data).
However, it has some restrictions.
And, this cooperation function and restriction will operate on iOS 10.0 or later, but because it is greatly affected by Apple's music content specifications, it will not guarantee the operation with future iOS update versions.
- Restriction function
The function to cooperate playback of "Music" app exclusive data by "Music" app from this app does not use the sound engine of this app, but uses the engine of "Music" app.
And, for the copyright protection of the music which is the sound source, it has the following restrictions.
This function can not process sound data concerning sound quality and volume at all.
(Unavailable function: graphic equalizer, preset equalizer, virtual surround, cross fade, fade out, upsampling, EQ mode, waveform analyzer, volume (center, gain), lyrics display)
When using with iOS 11.2.6 or earlier and iOS 12 or later, Cooperate and continuous playback at the time of background or screen off can not be performed.
If this application is displayed on the screen, it can be continuous cooperate playback. (It is possible by turning off "Settings → Design → Auto screen sleep" on the player screen of this app)
During cooperative playback with the "Music" app, it can not be operated with the control panel.
- various settings
On iOS 10.0 or later, The following settings can be changed for each of the DRM music and iCloud music in the "Settings -> Details of selection view -> Music app exclusive data" on the player screen of this app.
In the case of composite data of "DRM data" and "iCloud data", if both DRM music and iCloud music are not ON, the operation is the same as OFF.
If the "Add to list" is ON, it will be displayed on the music selection view.
If the "Playable by Music app" is ON, it can cooperative playback a music.
However, if "Add to list" is OFF, cooperative playback can not be performed even if this setting is ON.
- Description of exclusive data of "Music" app
"Music" app is a music playback application that is installed by default on iPhone / iPad provided by Apple.
This is a brief description of the dedicated data used in the "Music" app.
"iCloud data" does not save the sound data part of the song file on the iPhone / iPad by Apple's service iCloud. Playback will be streaming method.
In this app, "Cloud" is displayed on the music selection view. Also, it will only cooperative playback by the Music app.
If this data is downloaded from iCloud by the music app, the display of "Cloud" of this data in this app is removed.
"DRM(Digital Copyrights Management) data" is protected so that it can not copy or analyze the sound data part of the music file.
Therefore, the sound engine of this application can not process sound data such as sound quality and volume at all.
In this app, "DRM" is displayed on the music selection view. Also, it will only cooperative playback by the Music app.
- DRM data is data downloaded or streamed from Apple Music serviced by Apple.
- A music data purchased at the iTunes Store until February 2014 is also DRM data.
- Even if you are using iCloud or iTunes Match, iOS may automatically synchronize with Apple Music data and change to DRM data. (It includes music data purchased at the iTunes Store since February 2014.)
There are cases of the above two complex data. With this app, "DRM, Cloud" is displayed on the music selection view.
Developer: CyberFort LLC, Japan