Dual advanced audio distribution profile (A2DP) sink

1. A wireless system, comprising:

a first device in operative communication with a master device over a first link; and

a second device configured to eavesdrop transmissions comprising a reference clock signal transmitted from the master device to the first device,

wherein the wireless system is configured to, based on the reference clock signal, adjust at least one of a first clock signal for the first link and a second clock signal for a second link between the second device and the first device so each of a plurality of periodic transmissions on the second link follows a corresponding transmission on the first link by a predetermined interval.

2. The wireless system of claim 1 , wherein:

the first clock signal has a first clock drift; and

the second clock signal has a second clock drift different from the first clock drift.

3. The wireless system of claim 1 , wherein:

the master device indicates the reference clock signal in each of a plurality of transmissions to the first device and the second device.

4. The wireless system of claim 1 , wherein:

the first device is configured to calculate a change for the first clock signal based on a first difference between the first clock signal and the reference clock signal; and

the second device is configured to calculate a change for the second clock signal based on a second difference between the second clock signal and the reference clock signal.

5. The wireless system of claim 1 , wherein:

the first device is further configured to periodically transmit and receive at times determined by the first clock signal; and

the second device is further configured to periodically transmit and receive at times determined by the second clock signal.

6. The wireless system of claim 1 , wherein the second device is configured to:

adjust the second clock signal based on a difference between the second clock signal and the reference clock signal; and

jam an ACK signal transmitted by the first device by transmitting a NACK signal at a time determined by the adjusted second clock signal.

7. The wireless system of claim 1 , wherein:

each of the first device and the second device is configured to play an audio clip at a predetermined time, wherein the first clock signal indicates the predetermined time for the first device and the second clock signal indicates the predetermined time for the second device.

8. A method, comprising:

at a first device, communicating with a master device over a first link;

at a second device, eavesdropping information comprising a reference clock signal transmitted from the master device to the first device; and

based on the reference clock signal, adjusting at least one of a first clock signal for the first link and a second clock signal for a second link between the second device and the first device so each of a plurality of periodic transmissions on the second link follows a corresponding transmission on the first link by a predetermined interval.

9. The method of claim 8 , further comprising:

generating the first clock signal with a first clock drift; and

generating the second clock signal with a second clock drift different from the first clock drift.

10. The method of claim 8 , further comprising:

receiving the reference clock signal from the master device at each of the first device and the second device.

11. The method of claim 8 , further comprising:

calculating a change for the first clock signal based on a first difference between the first clock signal and the reference clock signal; and

calculating a change for the second clock signal based on a second difference between the second clock signal and the reference clock signal.

12. The method of claim 8 , wherein:

the communicating with the master device over the first link is performed at times determined by the first clock signal; and

the eavesdropping transmissions from the master device to the first device is performed at times determined by the second clock signal.

13. The method of claim 8 , further comprising, at the second device:

adjusting the second clock signal based on a difference between the second clock signal and the reference clock signal; and

jamming an ACK signal transmitted by the first device by transmitting a NACK signal at a time determined by the adjusted second clock signal.

14. The method of claim 8 , further comprising:

at each of the first device and the second device, playing an audio clip at a predetermined time, wherein the first clock signal indicates the predetermined time for the first device and the second clock signal indicates the predetermined time for the second device.

15. A first device, comprising:

an antenna configured to eavesdrop information comprising a reference clock signal transmitted from a master device to a second device over a first link; and

a controller configured to execute instructions for, based on the reference clock signal, adjusting a first clock signal for a second link between the first device and the second device so each of a plurality of periodic transmissions on the second link follows a corresponding transmission on the first link by a predetermined interval.

16. The first device of claim 15 , wherein:

the antenna is further configured to receive the reference clock signal from the master device; and

the controller is further configured to:

calculate a change for the first clock signal based on a difference between the first clock signal and the reference clock signal.

17. The first device of claim 15 , wherein the first device is further configured to:

adjust the first clock signal based on a difference between the first clock signal and the reference clock signal; and

jam an ACK signal transmitted by the second device by transmitting a NACK signal at a time determined by the adjusted first clock signal.

18. The first device of claim 15 , wherein:

the antenna is further configured to eavesdrop the information at times determined by the first clock signal.