Process and device for playing back multimedia data in a motor vehicle
2 Assignments
0 Petitions
Accused Products
Abstract
A process and device are disclosed for playing back multimedia data in a motor vehicle. A digital multiplexed audio-video data stream from a multimedia data carrier, in particular a DVD, is read and separated into an audio data stream, a video data stream and a menu data stream. The audio data stream is converted into an audio signal which can be acoustically output and is output by an acoustic output unit. The video data stream and the menu data stream are combined into a digital graphic data stream which is blanked out when the motor vehicle is in movement. The graphic data stream is converted into a graphic signal which can be graphically output and is output by a graphic output unit. This ensures that the menu data are displayed even when the vehicle is in movement, so that the multimedia data carrier remains constantly useable.
-
Citations
16 Claims
-
1-8. -8. (canceled)
-
9. An apparatus for reproducing multimedia data in a motor vehicle, comprising:
-
a reading unit configured to read in a digital multiplexed audio-video data stream from a multimedia data storage medium, wherein the audio-video data stream includes audio data, video picture data and menu data; a demultiplex unit connected to said reading unit and configured to receive the audio-video data stream and produce an audio data stream, a video picture data stream, and a menu data stream therefrom; an audio conversion unit connected to said demultiplex unit and configured to convert the audio data stream into an audibly outputtable audio signal; a combining unit connected to said demultiplex unit configured to combine the video picture data stream and the menu data stream to form a digital graphics data stream, wherein said combining unit is further configured to receive a driving state signal indicating whether the vehicle is in a driving state and to fade out the video picture data stream from and maintain the menu data stream in the digital graphics data stream when the motor vehicle is in the driving state; a graphical conversion unit connected to said combining unit and configured to convert the digital graphics data stream into a graphically outputtable graphics signal; an audio output unit connected to said audio conversion unit and configured to output the audio signal; and a graphical output unit connected to said graphical conversion unit and configured to output the graphics signal. - View Dependent Claims (10, 11, 12, 13, 14, 15)
-
-
16. A method of reproducing multimedia data in a motor vehicle, comprising the steps of:
-
reading a digital multiplexed audio-video data stream from a multimedia data storage medium, wherein the audio-video data stream includes audio data, video picture data and menu data; demultiplexing the audio-video data stream and produce an audio data stream, a video picture data stream, and a menu data stream therefrom; converting the audio data stream into an audibly outputtable audio signal; combining the video picture data stream and the menu data stream to form a digital graphics data stream, determining whether vehicle is in a driving state, and fading out the video picture data stream from and maintaining the menu data stream in the digital graphics data stream when the motor vehicle is determined to be in the driving state; converting the digital graphics data stream into a graphically outputtable graphics signal; outputting the audio signal on an audio output unit; and outputting the graphics signal on a graphical output unit.
-
Specification