公开(公告)号：US07555410B2

公开(公告)日：2009-06-30

申请号：US11494798

申请日：2006-07-27

申请人： Daniel Mulligan ,  Marcus W. May ,  Matthew Brady Henson ,  Debby Gumto Clarke

发明人： Daniel Mulligan ,  Marcus W. May ,  Matthew Brady Henson ,  Debby Gumto Clarke

IPC分类号： G01R31/36

CPC分类号： H04N21/4325 ,  G01K2219/00 ,  H02J1/08 ,  H02J7/0031 ,  H02J7/0063 ,  H02M2001/009 ,  H04N21/41407 ,  H04N21/4223

摘要： A circuit for use by a multifunction handheld device is coupleable to an audio output device, the multifunction handheld device including a color video display device and a host interface that is coupleable to a host device. The circuit includes a processing module and a memory interface, operably coupled to a memory that stores a plurality of digitally formatted files, and that stores operational instructions that cause the processing module to receive a first digitally formatted file of the plurality of digitally formatted files from the host device when coupled to the host device via the host interface and store the first digitally formatted file in the memory, wherein the first digitally formatted file includes a compressed audio file; receive a second digitally formatted file of the plurality of digitally formatted files from a host device when coupled to the host device via a host interface and store the second digitally formatted file in the memory, wherein the second digitally formatted file includes a compressed video file; playback a selected one of the plurality of digitally formatted files, the playback including the generation of an audio output signal for the audio output device, when the first digitally formatted file is selected, and the playback including rendering the selected one of the digitally formatted files for the color video display device, when the second digitally formatted file is selected.

摘要翻译： 由多功能手持设备使用的电路可耦合到音频输出设备，所述多功能手持设备包括可与主机设备耦合的彩色视频显示设备和主机接口。 电路包括处理模块和存储器接口，可操作地耦合到存储多个数字格式的文件的存储器，并且存储操作指令，使得处理模块从多个数字格式的文件中接收第一数字格式的文件， 所述主机设备经由所述主机接口耦合到所述主机设备并将所述第一数字格式的文件存储在所述存储器中，其中所述第一数字格式化文件包括压缩音频文件; 当经由主机接口耦合到所述主机设备时，从所述主机设备接收所述多个数字格式文件的第二数字格式化文件，并将所述第二数字格式文件存储在所述存储器中，其中所述第二数字格式化文件包括压缩视频文件; 播放所选择的多个数字格式的文件中的一个，当选择第一数字格式化的文件时，播放包括产生音频输出设备的音频输出信号，并且播放包括渲染所选择的数字格式的文件之一 对于彩色视频显示设备，当选择第二个数字格式的文件时。