[aprssig] APRS UPDATE 2022 Presentation at SEAPAC

Andrew Pavlin spam8mybrain at yahoo.com
Wed May 11 21:41:45 EDT 2022

 The problem with all those speech-to-text services is that our ham radios would be chained to the Internet over commercial backhaul to use their online speech recognition. So what's the point?
I have tried adding offline speech recognition to my YAAC program, but the old CMU Sphinx libraries are horribly inefficient (CPU-wise) and not very accurate. So I haven't gotten anything usable yet in this area. All the good speech recognition is proprietary and closed-source (for good reason; they spent a lot of money getting it to that point), and usually cloud-based rather than local.

On the converse side, I have added plugin extensions to YAAC that create screens suitable for fat-finger touchscreen operation that look very much like the car's dashboard screen for the hands-free control of my cellphone (with a picklist of predefined short text response messages), and can read received APRS text messages to me in synthesized voice using the espeak program. So I can send and receive text messages over APRS in the car the same supposedly-legal way I can do so with my cellphone.
Just my $.02.
Andrew, KA2DDOauthor of YAAC ("Yet Another APRS Client")

    On Tuesday, May 3, 2022, 11:13:55 PM EDT, Gregg Wonderly <gregg at wonderly.org> wrote:  
 My Tesla, and all around us with Alexa, google, Siri and the like there are speech to text services that could be used to feed advice text into a text based command system.  There are lots of things possible, but their has to be volumes of purchase and power of services to make it all interesting. Hopefully we can get the M17 radio tech folks to implement and use OpenTrac.  Hopefully we can get them to use their SDR DSP tech to do speech to text!

Sent from my iPhone

On May 2, 2022, at 9:05 PM, David Dobbins <ddobbins at gmail.com> wrote:

Hi Gregg. Thanks for your input. I'm not sure there would be much utility in developing a system of messaging that could be used while mobile with the inherent dangers of operating a device while driving. As you mention, texting while mobile is against the law for a reason. That being said, I'm trying to visualize what a system would look/operate like if there was such a device that could interpret text, format it for APRS messaging, or SMS, and send the message w/o endangering the driver. We already have the receive end of that in SMS and car audio, but not formulating a message. What would be cool, while driving, if we could say "Send SMS (or APRS Message) to (phone number or contact name) We're running 30 mins late" or "Send APRS Message to K7GPS Text Marathon Station 22 is clear of all personnel" but of course we would normally pick up the mic and say that, instead of sending a message. I guess my use of APRS messaging would be more fixed station environment to EOC or another non-mobile station. For Y2K prep 20 years ago I helped set up a half dozen stations at hospitals throughout sw Washington and similar station at the WA EOC. In event of catastrophic power loss, the hospitals could still comm in relative privacy for moving scripts around as needed, as each station had the drug coded and formated for short message quantity needed, etc. There were no instances of mobile messaging in this case, but I do remember there was an interface for the Kenwood D700 years ago for a keyboard for use rather than the mic input of messages. However, while people say they'd like to see the messaging improve, I don't have many examples of how the messaging is being used now, if at all, and how it could be improved. Thanks again for the input.
For Pete: I dunno. I haven't heard much discussion other than several people are interested in leading the progress from here on.
Dave K7GPS
On Mon, May 2, 2022 at 7:29 PM Gregg Wonderly <gregg at wonderly.org> wrote:

Primarily because APRS has been about mobile operations.  Texting while mobile is against the law for a reason.  Ham operators sending or reading messages on the go is not ideal, without very sophisticated tech such as speech recognition and audible control systems that speak to and understand voice commands.

Put that level of support into a radio and then APRS messaging would start to get useful.  I used it on my TH D7A when it was new, but the push button interface was still tedious and required attention.


Sent from my iPhone

> On Apr 27, 2022, at 12:07 PM, Peter Laws N5UWY <n5uwy at arrl.net> wrote:
> On Tue, Apr 26, 2022 at 9:49 PM David Dobbins <ddobbins at gmail.com> wrote:
>> If you were going, what would you want to hear?
> `Bob is gone.  What is the plan going forward?'
> (PS - not actually going)
> -- 
> Peter Laws | N5UWY | plaws plaws net | Travel by Train!
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