100Mb ethernet has more than enough BW and low latency... uncompressed
PCM at voice quality is easily done... existing ethernet interfaces
exist with built-in processors, lots of memory, multiple serial data
ports and a web server, all in a package that looks like an ethernet PCB
connector.
The only issue would be cost (these gadgets currently run about $50 in
single lots). One company even has a small carrier board that includes
digital audio in 8 different formats, including mp3. I have been looking
at adding some of these gadgets to some of my projects.
Larry N8LP
Geoffrey Gallaway wrote:
Simon Brown (HB9DRV) wrote:
I'm thinking of three major computer-related 'opportunities' for the K3:
[1] A true network device with Ethernet (maybe USB but this is
overkill IMHO),
[2] Access to bandscope info via the network.
[3] Audio / digital pre-audio data via the network.
I agree that radios with external control interfaces (serial, USB,
ethernet, I care not) are a great idea however there may be issues
with the audio processing/management available via that same
interface.. You're adding some delay/latency there and you're also
adding complexity on the radio side to pump that analog audio out via
a digital interface (possibly compressed). I'd rather just do it via
ye ole analog in/out..
Geoffeg (KC8FDU)
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