What is Bluetooth audio codec APTX HD?

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Tags

1. #streaming
2. #codec
3. #stereo
4. #tablet
5. #lossy
6. #pairing
7. #headset
8. #applications
9. #speaker
10. #wireless
11. #consumer
12. #accessory
13. #audio
14. #bluetooth
15. #source
16. #automotive
17. #device
18. #notably
19. #connection
20. #between
21. #smartphone
22. #laptop