Method for creating a system clock in a receiver device and corresponding receiver device
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Abstract
According to a method for generating a system time clock in a receiving device for digital packetized elementary data streams (E), the packetized elementary data streams (E) being generated in a transmitting device by sampling at a sampling frequency (fsample) synchronized by a system time clock of the transmitting device, the sampling frequency (fsample) of one data stream is determined in the receiving device, and the program clock reference counter is synchronized with the data stream'"'"'s sampling frequency.
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Citations
26 Claims
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1-13. -13. (canceled)
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14. A method for generating a system time clock counter in a receiving device for digital data streams, comprising:
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generating the digital data streams in a transmitting device by sampling at a sampling frequency synchronized by a system time clock in the transmitting device;
determining the sampling frequency of one of the data streams in the receiving device; and
synchronizing the system time clock counter with the determined sampling frequency of the one of the data streams. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A receiving device, comprising:
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a transport data stream demultiplexer for demultiplexing a transport data stream into packetized elementary data streams and for extracting flags that identify a presentation time stamp for the purpose of initializing a system time clock counter;
a unit for correctly determining a sampling frequency of one of the packetized elementary data streams;
an output control unit for synchronizing data streams obtained from the packetized elementary data streams; and
a synchronization unit for synchronizing the system time clock counter according to the sampling frequency. - View Dependent Claims (21, 22, 23, 24, 25, 26)
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Specification