diff --git a/Emby.Server.Implementations/Dto/DtoService.cs b/Emby.Server.Implementations/Dto/DtoService.cs
index b392340f71..08ced387b8 100644
--- a/Emby.Server.Implementations/Dto/DtoService.cs
+++ b/Emby.Server.Implementations/Dto/DtoService.cs
@@ -1019,6 +1019,15 @@ namespace Emby.Server.Implementations.Dto
{
dto.AlbumId = albumParent.Id;
dto.AlbumPrimaryImageTag = GetTagAndFillBlurhash(dto, albumParent, ImageType.Primary);
+ if (albumParent.LUFS.HasValue)
+ {
+ // -18 LUFS reference, same as ReplayGain 2.0, compatible with ReplayGain 1.0
+ dto.AlbumNormalizationGain = -18f - albumParent.LUFS;
+ }
+ else if (albumParent.NormalizationGain.HasValue)
+ {
+ dto.AlbumNormalizationGain = albumParent.NormalizationGain;
+ }
}
// if (options.ContainsField(ItemFields.MediaSourceCount))
diff --git a/MediaBrowser.Model/Dto/BaseItemDto.cs b/MediaBrowser.Model/Dto/BaseItemDto.cs
index 8f223c12a5..e96bba0464 100644
--- a/MediaBrowser.Model/Dto/BaseItemDto.cs
+++ b/MediaBrowser.Model/Dto/BaseItemDto.cs
@@ -789,6 +789,12 @@ namespace MediaBrowser.Model.Dto
/// The gain required for audio normalization.
public float? NormalizationGain { get; set; }
+ ///
+ /// Gets or sets the gain required for audio normalization. This field is inherited from music album normalization gain.
+ ///
+ /// The gain required for audio normalization.
+ public float? AlbumNormalizationGain { get; set; }
+
///
/// Gets or sets the current program.
///