SanDisk SD AUDIO SDDK-07 - Manual (Page 6)

SanDisk SDK User’s Guide, Rev. 1.0
© 2003 SanDisk Corporation 3 10/2003
3 SanDisk SDK Components
SD-Audio Layer
Using the API shields host application software form the complexity of SD-Audio. Music player software that
controls the display and playing of play lists can accomplish these tasks by calling the API functions. There’s never
any need to deal directly with the internals of the functions, files, and data structures.
Supported Functionality with 1.0 Release
• SD-Audio navigation support
− This function’s behavior model is to return the number of play lists, play list’s name,
number of tracks in each play list, and track information for each play list
− This function also contains the list of available/free file number (AOBxxx.SA1) for
download purpose
− This function also contains links and information of a song that is stored in multiple
files (2 or more files)
− Handles the play list selection, and track selection
• Audio Playback support
− Support continues play of the entire tracks in the play lists
− Support single track selection playback
− Random track selection playback
− Also supports playback of all tracks that exists’ in the SD Card
• Delete Operation
− Multiple file deletion of the long song
− Single track deletion
• Download Operation:
− MP3 Audio format
− AAC Audio format
• Playback of long song that is required more that one SDA file format to store
− These files can be stored in sequence SDA files such as (AOB001.SA1,
AOB002.SA1, etc).
− These files can be stored out of order SDA files such as (AOB001.SA1,
AOB004.SA1, etc).
• Download of long song, that requires more than one SDA file format to store
− These files can be stored in sequence SDA files such as (AOB001.SA1,
AOB002.SA1, etc).
− These files can be stored out of order SDA files such as (AOB001.SA1,
AOB004.SA1, etc).
• Next Track, Previous track function is supported in this release
• Fast Forward, Fast Backward support