(last updated 2009-06-02) Name : Steve Hattersley Email : steve.hattersley&dolby.com MIME media type name : Audio MIME subtype name : Vendor Tree - vnd.dolby.pulse.1 Required parameters : None Optional parameters : Parameter name = channels Provides detail of the number of channels implemented within the encoded content, or within a decoder if used as an indicator of supported content. Value=Meaning (Available Channels) 1 = Mono audio 2 = Left and Right 2.1 = Left, Right and Low Frequency (Sub-woofer) 3 = Left, Centre and Right channels or Left, Rear (mono-surround) and Right 3.1 = Left, Centre, Right and Low Frequency 4 = Left, Right, Left Surround and Right Surround or Left Front, Right front, Left rear and Right rear 4c = Left, Centre, Right and Mono Rear 4.1 = Left, Right, Left Surround, Right Surround and Low Frequency or Left Front, Right front, Left rear, Right rear and Low Frequency 4.1c Left, Centre, Right, Mono Rear and Low Frequency 5 = Left, Centre, Right, Left surround and Right surround 5.1 = Left, Centre, Right, Left surround, Right surround and Low frequency 7 = Left, Centre, Right, Hard-Left, Hard-Right, Left surround and Right surround 7.1 = Left, Centre, Right, Hard-Left, Hard-Right, Left surround, Right surround and low frequency The channels parameter has no default value. If the parameter is included, then it should be specified explicitly. Encoding considerations : binary This media type may require encoding on transports not capable of handling binary. Security considerations : This media type consists of encoded audio and playback information and contains no executable content, commands or control sequences. It provides no privacy or integrity services. Other security considerations, if any, have not been assessed. Interoperability considerations : Playback of this encoded content requires a specification-compliant decoder. Published specification : Dolby Pulse is a proprietary format. This media type is intended for use by those licensing Dolby technologies. Applications which use this media : : Various and multiple content encoding and decoding/playback technologies Additional information : 1. Magic number(s) : n/a 2. File extension(s) : n/a 3. Macintosh file type code : n/a 4. Object Identifiers: n/a Person to contact for further information : 1. Name : Steve Hattersley 2. Email : Steve.Hattersley&dolby.com Intended usage : Common This media type is intended for use by those licensing and implementing Dolby Pulse technologies on mobile devices; specifically to provide mobile handset manufacturers with a media type that may be used in User Agent Profiles (UAProfs) in the mobile eco-system without being mis-interpreted. In User Agent Profiles, this media type identifies clients and/or devices that are able to process content encoded to the proprietary Dolby Pulse standard. Author/Change controller : Steve.Hattersley&dolby.com (file created 2009-06-02)