Hi,
I have a newbie question. Is it possible to implement a POTS voice quality like an intercom system using Thread (assuming all the end points are using nrf52840 SOC)?.
Thank you.
Hi,
I have a newbie question. Is it possible to implement a POTS voice quality like an intercom system using Thread (assuming all the end points are using nrf52840 SOC)?.
Thank you.
With the usuable range of BTLE in mind, just shouting loud would be a much more efficient way to transport voice.
I have looked at Bluetooth 5 LE and the upcoming Bluetooth Mesh and still in specification stage where as the 803.15.4 is well established standard and Thread is IP based. BLE with IP looks more like a band aid solution.
And is Voice over IP the best solution here? Assuming it's basically always point to pint and in the relative short distance (as you speak about Thread and BLE) then you can use some optimized protocol on top of BLE or some proprietary 2.4GHz link to transport sound in reasonable quality for intercom/voice application, there are people succeeding even on nRF51 few years back on this forum, with nRF52840 it should be comfortable task. Just an idea...
Hi Albert
It depends on the data rate you need, as thread is not really designed for streaming applications.
Theoretically you should be able to go up to about 128kbps between two thread nodes, but once you need to do multi hopping that drops by a factor of 2 or more.
Secondly, we have yet to do any bench marking of our own implementation, so we can not guarantee at this point that the practice will meet the theory ;)
In other words I am a bit uncertain if thread is suitable for reliable audio transfer.
Best regards
Torbjørn
Thanks for the answer. May I know the following which I could not find doing web search.
Regards, Albert.