On Jul 30, 2025, at 19:29, Harold Hallikainen via GreenKeys <[email protected]> wrote:

And here's a shell script:


----------------------
#/bin/bash

# Loop playing of NPR AFSK audio

while true
do
 mpv https://w6iwi.org/rtty/audio/npr/audio/60wpm/latest.php
done

--------------------------

Good luck!

Harold


On Wed, July 30, 2025 5:52 pm, Harold Hallikainen wrote:

I just tried the below on cygwin:


mpv https://w6iwi.org/rtty/audio/npr/audio/60wpm/latest.php

and it worked... You could have a shell script that calls this over and
over, and it SHOULD give you continuous audio always feeding the latest.

Good luck!


Harold


On Wed, July 30, 2025 5:24 pm, Duncan Brown wrote:

Harold,



Your urls work on a laptop (downloads the wav file to be played) but
the Ras Pi doesnt seem to know what to do with the php urls.



The Museum's computer manager is looking into it.



Anyone else been able to use a RasPi to dowload & play Harolds files?



Thanks,



Duncan
K2OEQ




On 7/28/2025 6:13 PM, Harold Hallikainen via GreenKeys wrote:

Thanks! The URLs are:



https://w6iwi.org/rtty/audio/csm/audio/60wpm/latest.php



and

https://w6iwi.org/rtty/audio/npr/audio/60wpm/latest.php



A new AFSK file for each of these is created every 2 hours.
latest.php does a redirect to the most recent one. The most recent 10
files are kept so you can continue to play one without it being
overwritten by a new one.

I just tried this:



curl
--Locationhttps://w6iwi.org/rtty/audio/npr/audio/60wpm/latest.php

test.wav

and it worked. The --Location tells curl to follow the redirection.
The
fetched file is sent to standard output. Here I sent it to test.wav.
You
would pipe it to an audio player.

Note that the audio is 8 bit WAV at 8 kbps. It is NOT MP3, so don't
send it through lame or other MP3 decoders.

Let me know if I can provide any further information!



Thanks!



Harold








On Mon, July 28, 2025 2:23 pm, Duncan Brown wrote:

Harold,




What are the URLs for the individual NPR & CSM audio streams?




The AWA Museum presently uses a RasPi to bring out the ITTY streams
and send the AFSK signal to a TU for printing.  I would like to
add your 60wpm NPR & CSM streams, but don't see the individual URLs
for them.


-...-




Looked at all the details in your email and it looks like the audio
stream is generated with the newest information whenever a request
to play the file is made?

Any easy way this could be made such that the latest file could be
stuffed into a fixed location so that it could be retrieved from a
fixed url by a simple device such as a RasPi with no display?

Thanks,




Duncan Brown, K2OEQ
USASA    31J30




Antique Wireless Association
 Communication Technologies Museum
   Asst. Curator, Commercial Equipment
(also chief TTY op & repairman)




i-Telex: 212503




www.antiquewireless.org

AWA Youtube channel:
https://www.youtube.com/channel/UCX55peBhzeX1qps_VYXdLBA
Virtual AWA Museum TTY
Tour:https://www.youtube.com/watch?v=TpB6jM90VV8









On 7/28/2025 12:51 AM, Harold Hallikainen via GreenKeys wrote:

Today I added the Christian Science Monitor to the available news
streams. It is athttps://w6iwi.org/rtty/audio/csm/


Harold
https://w6iwi.org

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