3DPA（3D Positional Audio，3D定位音频）AC（Audio Codec，音频多媒体数字信号编解码器）Auxiliary Input（辅助输入接口）CS（Channel Separation，声道分离）DS3D（DirectSound 3D Streams）DSD（Direct Stream Digital，直接数字信号流）DSL（Down Loadable Sample，可下载的取样音色）DLS-2（Downloadable Sounds Level 2，第二代可下载音色）EAX（Environmental Audio Extensions，环境音效扩展技术）Extended Stereo（扩展式立体声）FM（Frequency Modulation，频率调制）FIR（finite impulse response，有限推进响应）FR（Frequence Response，频率响应）FSE（Frequency Shifter Effect，频率转换效果）HRTF（Head Related Transfer Function，头部关联传输功能）IID（Interaural Intensity Difference，两侧声音强度差别）IIR（infinite impulse response，无限推进响应）Interactive Around-Sound（交互式环绕声）Interactive 3D Audio（交互式3D音效）ITD（Interaural Time Difference，两侧声音时间延迟差别）MIDI（Musical Instrument Digital Interface，乐器数字接口）NDA（Non-DWORD-aligned ，非DWORD排列）Raw PCM（Raw Pulse Code Modulated，元脉码调制）RMA（Real Media Architecture，实媒体架构）RTSP（Real Time Streaming Protocol，实时流协议）SACD（Super Audio CD，超级音乐CD）SNR（Signal to Noise Ratio，信噪比）S/PDIF（Sony/Phillips Digital Interface，索尼/飞利普数字接口）SRS（Sound Retrieval System，声音修复系统）Surround Sound（环绕立体声）Super Intelligent Sound ASIC（超级智能音频集成电路）THD+N（Total Harmonic Distortion plus Noise，总谐波失真加噪音）QEM（Qsound Environmental Modeling，Qsound环境建模扬声器组）WG（Wave Guide，波导合成）WT（Wave Table，波表合成）
