CD writing ActiveX DLL. Enable your applications with Data and Audio CD-creating and Audio CD-ripping functionality with NCTDiscWriter ActiveX DLL and quickly create a variety of useful and popular programs. Write fully compatible ISO9660 and Joliet CDs. Write data CDs on the fly. There is no need to generate an image. Write and rip audio discs from and to MP3, OGG, and WMA directly without intermediate WAV files. It supports the use of high write speeds and HSCD-RW (10x-12x). It features a multithread buffering system. ASPI is not required for 2000/XP. It supports the creation of multisession discs, session import and creates detailed log files of burning sessions in the system folder. It supports most modern IDE, USB, SCSI and Firewire CD-RW recorders. It automatically detects and supports the majority of modern non-tested drives. It has Visual Basic .NET, MS Visual Basic 6.0, and Borland C++ Builder 6.0 samples that show how to use it. NCTDiscWriter ActiveX DLL is not an end user application, but it is a software development tool.