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US 2017/0325185 A1Published application
Synchronization of audio channel timing
AssigneeSummit Semiconductor LLC
InventorKenneth A. Boehlke
Life of this patent
Estimating the term…
Abstract
Synchronization of plural outputs of data transported by a wireless network is facilitated by bandlimiting a sample clock signal controlling a rate at which data is processed by the network's devices and/or bandlimiting wall time data controlling the real time for presenting a datum.
Claims12
An audio system comprising:
- (a) a first listener including:
- (i) a wall clock maintaining a wall time for occurrence of an event, said wall time updated by data transmitted by a master clock and received by said first listener;
- (ii) a sample clock recoverer retrieving a sample clock from data received by said first listener from a talker, said sample clock regulating a processing rate for a datum included in said data received from said talker;
- and
- (iii) a frequency filter bandlimiting said sample clock output by said sample clock recoverer;
- and
- (iv) a transmitter transmitting said bandlimited sample clock;
- and
- (b) a second listener arranged to receive said transmitted bandlimited sample clock and use said bandlimited sample clock to regulate processing data received from said talker.
6 more elements
An audio system comprising:
- (a) a first listener including:
- (i) a wall clock maintaining a wall time for occurrence of an event, said wall time updated by a data transmitted by a master clock and received by said first listener;
- (ii) a frequency filter bandlimiting said updating data received from said master clock and said wall time;
- and
- (iii) a sample clock recoverer retrieving a sample clock from data received by said first listener from a talker, said sample clock regulating a processing rate for a datum included in said data received from said talker;
- and
- (iv) a transmitter transmitting said bandlimited wall time;
- and
- (b) a second listener arranged to receive said bandlimited wall time and to use said bandlimited wall time to recover a sample clock from data received from said talker.
6 more elements
A method of recovering a sample clock in a network, said method comprising the steps of:
- (a) generating a raw sample clock signal oscillating at a frequency determined by a datum included in a data packet;
- and
- (b) bandlimiting said raw sample clock signal about the mean frequency of said raw sample clock signal by frequency filtering said raw sample clock signal.
A method of recovering a sample clock in a network, said method comprising the steps of:
- (a) bandlimiting said raw wall time signal about the mean frequency of said raw wall time signal by frequency filtering said raw wall time signal;
- and
- (b) generating a sample clock signal oscillating at a frequency determined by a datum included in a data packet and said bandlimited raw wall time signal.
Dependencies are inferred from the claim text.