Similar to SD-Audio
Music Macro Language
Music Macro LanguageMusepack
MusepackΜ-lawアルゴリズム
Μ-law algorithmメタファイル
Metafileメモリースティックオーディオ
デジタル著作権管理
Digital rights management48DVD
FlexplayActive Directory Rights Management Services
Active Directory Rights Management ServicesB-CAS
B-CASBackupHDDVD
BackupHDDVDDigital Transmission Content Protection
Digital Transmission Content ProtectionInformation Rights Management
Information rights managementIThenticate
IThenticateMagicGate
MagicGateMovieNEX
PlayReady
PlayReadySecuROM
SecuROMWindows Genuine Advantage
Windows Genuine Advantageアクティベーション
Product activationAdvanced Access Content System
Advanced Access Content SystemEPN
WeGame
WeGameExtended Copy Protection
Extended Copy ProtectionOpenMG
OpenMGOrigin (デジタル配信プラットフォーム)
EA (service)KeyringPDF
KeyringFLASH
限定受信システム
Conditional access