Synchronizing operations among a plurality of independently clocked digital data processing devices
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 7, 2019
Grant Date -
Mar 7, 2019
app pub date -
Nov 5, 2018
filing date -
Jul 28, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
Example systems, apparatus, and methods receive audio information including a plurality of frames from a source device, wherein each frame of the plurality of frames includes one or more audio samples and a time stamp indicating when to play the one or more audio samples of the respective frame. In an example, the time stamp is updated for each of the plurality of frames using a time differential value determined between clock information received from the source device and clock information associated with the device. The updated time stamp is stored for each of the plurality of frames, and the audio information is output based on the plurality of frames and associated updated time stamps. A number of samples per frame to be output is adjusted based on a comparison between the updated time stamp for the frame and a predicted time value for play back of the frame.
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International Classification(s)
- H04L:TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAP....
- H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION
- G05B:CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTION....
- H04R:LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR ....
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- H04W:WIRELESS COMMUNICATION NETWORKS
- G11B:INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BET....
- H03G:CONTROL OF AMPLIFICATION
- H04H:BROADCAST COMMUNICATION
- H04J:MULTIPLEX COMMUNICATION
- [Classification Symbol]
- [Patents Count]
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