The multimedia technologies put into use in the iPhone OS provide access to sophisticated audio and video capabilities of the devices working on the OS. The core audio service facilitates the user to create, record and listen to audio in their application. It is also useful for mixing and processing purposes. The user can sort the media library by various parameters like songs, artists, videos, playlists, albums, composers, podcasts and genres.
Playback of audio files is provided by the media player. There is open audio library (OpenAL) service which is a cross-platform to deliver 3D sounds in applications.
The video services used in the iPhone OS enthrall the user with rich quality of video and make watching videos a wonderful experience. The media player on the OS supports full-screen playback for video files. The files with the extensions .mov, .mp4, .m4v and .3gp can be played using the media player. The multimedia services also include the photography services of the OS. The service captures high quality snaps taken using the camera on the mobile device and stores it in the memory.
Besides the audio and video services, there is another multimedia service that comes with the iPhone OS. This is the MMS service abbreviated as Multimedia Messaging Service. Using MMS, the user can send photos, news, videos and sounds to other mobile phones in the form of messages. The user just needs to select the phone number of any other person along with the multimedia files that are to be sent and send it as a message.
The multimedia services also allow access to the online itunes store which is a digital media store under the Apple Inc. and the largest legal music service. The user can download ample of stuff like songs, audio-books, ibookstore, podcasts, videos and other applications form the online itunes store.
The multimedia services in the iPhone OS are truly geared towards creating a very advanced multimedia experience.
