 the media transfer protocol (mtp) is an extension to the picture transfer protocol (ptp) communications protocol that allows media files to be transferred atomically to and from portable devices.media transfer protocol implementation details. mtp defined in slide 3 whereas ptp was designed for downloading photographs from digital cameras, media transfer protocol allows the transfer of music files on digital audio players and media files on portable media players, as well as personal information on personal digital assistants. mtp is a key part of wmdrm10-pd, a digital rights management (drm) service for the windows media platform. mtp is part of the "windows media" framework and thus closely related to windows media player. versions of the microsoft windows operating system from windows xp sp2 support mtp. windows xp requires windows media player 10 or higher;final availability of windows media player 10 brings more music and more choices to music fans later windows versions have built-in support. microsoft has also made available an mtp porting kit for older versions of windows back to windows 98. the usb implementers forum device working group standardised mtp as a full-fledged universal serial bus (usb) device class in may 2008.mtp, portable player standard: create digital music blog since then mtp is an official extension to ptp and shares the same class code.mtp specification 1.1 on usb.org ==history== the main purpose of this protocol is to allow only the transfer of media files and associated metadata to and from portable devices, one transfer function, in or out, at a time. it does not support operations such as open, edit and modify. a workaround is to copy to the hosting system for these operations and then copy back. the protocol was originally implemented for use across usb but extended for use across tcp/ip and bluetooth. windows vista supports mtp over tcp/ip. windows 7 and windows vista with the platform update for windows vista also support mtp over bluetooth.mtp over various transports the host connecting to an mtp device is called an mtp initiator whereas the device itself is an mtp responder.mtp specification a main reason for using mtp rather than, for example, the usb mass-storage device class (msc) i
Microsoft_Windows_multimedia_technology Microsoft_application_programming_interfaces