(Last updated 27 June 2006) MIME media type name : Application MIME subtype name : Vendor Tree - vnd.chipnuts.karaoke-mmd Required parameters : none Optional parameters : none Encoding considerations : binary This media type may require encoding on transports not capable of handling binary. Security considerations : 1. in this media type, there is no any active or executable content, it only contains data of multimedia content itself and head information. 2. the information contained in the media type does not need privacy or integrity services. 3. since part of content( e.g. compressed MIDI) in this type of media is encripted and only can be descripted by hardware IP in our company's SoC product.any it is market proven (millions IC has been integrated into handset). so it is assessed and market approved. Interoperability considerations : None Published specification : This content type is a combined binary file format where audio, video, lyric information is included in. Audio data is encapsulated by certain algorithm and could only be decoded by Chipnuts multimedia chipsets. Unicode is used for lyric information Applications which use this media : This content type is used for enabling karaoke function in those mobile handsets where Chipnuts multimedia chipset is built in Additional information : 1. Magic number(s) : none 2. File extension(s) : mmd 3. Macintosh file type code : none 4. Object Identifiers: none Person to contact for further information : 1. Name : Xiong, Chunyun 2. Email : frankxiong&chipnuts.com Intended usage : Common Author/Change controller : (file created 27 June 2006)