Low latency Bluetooth earbuds

1. A method for communicating audio and voice signals, said method being carried out by a right hearable device and a left hearable device, wherein the method comprises:

creating a right audio and voice Bluetooth communication link between the right hearable device and a computing device, said right audio and voice Bluetooth communication link comprising a right downlink and a right uplink;

creating a left audio and voice Bluetooth communication link between the left hearable device and the computing device, said left audio and voice Bluetooth communication link comprising a left downlink and a left uplink;

configuring said right and left downlinks with a downlink audio codec, and at least one of said right and left uplinks with an uplink voice codec;

receiving, by the right hearable device through the right downlink, a right channel of a downlink audio signal from the computing device, said right channel being encoded with said downlink audio codec;

receiving, by the left hearable device through the left downlink, a left channel of the downlink audio signal from the computing device, said left channel being encoded with the downlink audio codec; and

transmitting, to the computing device, an uplink voice signal by said at least one of the right hearable device and the left hearable device through the at least one of the right uplink and the left uplink, said uplink voice signal being encoded with said uplink voice codec.

2. The method of claim 1 , wherein the downlink audio codec is adapted for encoding the downlink audio signal with a sampling rate larger than 44100 Hz and smaller than 96000 Hz and wherein the uplink voice codec is adapted for encoding the uplink voice signal with a sampling rate larger than 8000 Hz and smaller than 16000 Hz.

3. The method of claim 1 , wherein the downlink audio codec comprises at least one of an Opus codec, an Advanced Audio Coding (AAC) codec, a Low Complexity Subband (SBC) codec, a Low Complexity Communication (LC3) codec, a LDAC codec, a Low Latency High-Definition Audio Codec (LHDC) and an AptX codec.

4. The method of claim 1 , wherein the uplink voice codec comprises at least one of a modified SBC (mSBC) codec and a Continuously Variable Slope Delta (CVSD) codec.

5. The method of claim 1 , wherein an acknowledgment of the receiving by at least one of the left hearable device and the right hearable device is included in the transmitting of the uplink voice signal.

6. The method of claim 1 , wherein an acknowledgment of the receiving by at least one of the left hearable device and the right hearable device is transmitted using at least one of the uplinks before the transmitting of the uplink voice signal.

7. The method of claim 1 , wherein the uplink voice signal is sent from one of: the right hearable device; the left hearable device; and both the left hearable device and the right hearable device.

8. The method of claim 1 , wherein each of the right and left audio and voice Bluetooth communication links (BLNK 1 , BLNK 2 ) comprises a constant rate isochronous link.

9. The method of claim 8 , wherein the constant rate isochronous link is one of an Synchronous Connection-Oriented (SCO) link, an enhanced SCO (eSCO) link, and a Bluetooth Low Energy (BLE) isochronous link.

10. The method of claim 8 , wherein the two constant rate isochronous links are scheduled using a reference clock of the computing device, the method further including:

synchronizing a local clock of each hearable device with the reference clock; and

rendering each channel of each hearable device based on their respective local clocks.

11. The method of claim 10 , wherein the rendering includes compensating a time interval between a transmission window of the right Bluetooth communication link and a transmission window of the left Bluetooth communication link.

12. The method of claim 11 , wherein each of the transmission window of the right Bluetooth communication link and the transmission window of the left Bluetooth communication link includes a retransmission window.

13. A pair of hearable devices for rendering audio signals, wherein said pair of hearable devices comprises a right hearable device and a left hearable device:

wherein the pair of hearable devices are configured to:

create a right audio and voice Bluetooth communication link between a computing device and the right hearable device, said right audio and voice Bluetooth communication link comprising a right downlink and a right uplink;

create a left audio and voice Bluetooth communication link between the computing device and the left hearable device, said left audio and voice Bluetooth communication link comprising a left downlink and a left uplink;

configure said right and left downlinks with a downlink audio codec, and at least one of said right and left uplinks with an uplink voice codec;

receive, by the right hearable device through the right downlink, a right channel of a downlink audio signal from the computing device, said right channel being encoded with said downlink audio codec;

receive, by the left hearable device through the left downlink, a left channel of a downlink audio signal from the computing device, said left channel being encoded with said downlink audio codec; and

transmit, to the computing device, an uplink voice signal by said at least one of the right hearable device and the left hearable device through the at least one of the right uplink and the left uplink, said uplink voice signal being encoded with said uplink voice codec.

14. The pair of hearable devices of claim 13 , further comprising a circuit, wherein the circuit is one of: a processor; and a processing unit.

15. The pair of hearable devices of claim 13 , wherein the downlink audio codec is adapted for encoding the downlink audio signal with a sampling rate larger than 44100 Hz and smaller than 96000 Hz and wherein the uplink voice codec is adapted for encoding the uplink voice signal with a sampling rate larger than 8000 Hz and smaller than 16000 Hz.

16. The pair of hearable devices of claim 13 , wherein the downlink audio codec comprises at least one of an Opus codec, an Advanced Audio Coding (AAC) codec, a Low Complexity Subband Coding (SBC) codec, a Low Complexity Communication (LC3) codec, a LDAC codec, a Low Latency High-Definition Audio Codec (LHDC) and an AptX codec.

17. The pair of hearable devices of claim 13 , wherein the uplink voice codec comprises at least one of a modified SBC (mSBC) codec and a Continuously Variable Slope Delta (CVSD) codec.

18. The pair of hearable devices of claim 13 , wherein an acknowledgment of the receiving by the at least one of the right hearable device and the left hearable device is included in the transmitting of the uplink voice signal.

19. The pair of hearable devices of claim 13 , wherein an acknowledgment of the receiving by the hearable device is transmitted using at least one of the uplinks before the transmitting of the uplink voice signal.

20. One or more non-transitory computer readable storage medium, having stored thereon instructions that, when executed by a processor, cause the processor to carry out a method for communicating audio and voice signals, wherein the method comprises:

creating a right audio and voice Bluetooth communication link between a right hearable device and a computing device, said right audio and voice Bluetooth communication link comprising a right downlink and a right uplink;

creating a left audio and voice Bluetooth communication link between a left hearable device and the computing device, said left audio and voice Bluetooth communication link comprising a left downlink and a left uplink;

configuring said right and left downlinks with a downlink audio codec, and at least one of said right and left uplinks with an uplink voice codec;

receiving, by the right hearable device through the right downlink, a right channel of a downlink audio signal from the computing device, said right channel being encoded with said downlink audio codec;

receiving, by the left hearable device through the left downlink, a left channel of the downlink audio signal from the computing device, said left channel being encoded with the downlink audio codec; and

transmitting, to the computing device, an uplink voice signal by said at least one of the right hearable device and the left hearable device through the at least one of the right uplink and the left uplink, said uplink voice signal being encoded with said uplink voice codec.