HD DVD with high-definition content required for HD output. Viewing high-definition content and up-converting DVD content may require an HDCP capable DVI or HDMI input on your display device. Firmware update may be required for some interactive features depending on content, which may also require an always-on broadband internet connection. Some features may require additional bandwidth. Some recordable media may not be supported. Dolby Digital Plus™, Dolby TrueHD™ and DTS™ support for up to 5.1 channels (DTS HD™ support for DTS™ core only). MP3/WMA audio files not supported. Some DVDs, CDs, Combo Discs and Twin Format Discs may not be compatible. HDMI audio support for PCM only. Because HD DVD is a new format that makes use of new technologies, certain disc, digital connection and other compatibility and/or performance issues are possible. This may, in rare cases, include disc freezing while accessing certain disc features or functions, or certain parts of the disc not playing back or operating as fully intended. If you experience such issues, please contact Toshiba Customer Solutions. Some features subject to delayed availability. 1080p capable display required for 1080p output resolution. Some devices may not be compatible. HD DVD discs containing high definition content at a field rate of 50Hz or a frame rate of 25Hz cannot be played on HD-EP10 without a firmware update. Firmware update is expected in the future. Should you have any questions about the frame rate of your disc, please contact the disc vendor. While Toshiba has made every effort at the time of publication to ensure the accuracy of the information provided herein, product specifications, configurations, prices, system/component/options availability are all subject to change without notice.