Chuck aa0hw's Blog – October 2021 Archive (6)

How To use CW REGENERATION to get better CW AUDIO TONE quality from echoLINK during ARRL CW PRACTICE

uses a CW REGENERATION method(s)

this example uses the ZamGate 2 channel SIDEchain gate an I/Q sine wave generator is placed on the holding bay ports of ZamGate...

http://www.zamaudio.com/?p=976

the echolink CW AUDIO output from the ARRL…

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Added by Chuck aa0hw on October 27, 2021 at 8:52am — No Comments

for the PYTHON CW OPs out there - to QSO online with each other - here is a homebrew full duplex, Full Mesh Networking setup

modified python script for RECEIVING every connecting CW OP

to the FULL MESH, ZEROTIER, PRIVATE IP network is from:

https://brettviren.github.io/pygst-tutorial-org/pygst-tutorial.html

NOTE: other mods…

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Added by Chuck aa0hw on October 16, 2021 at 11:52am — No Comments

Send QRQ CW AUDIO OVER IP with WebCall Audiophile Telephony - WebCall offers free WebRTC telephony

this video is a followup video from the 1st testing of WebCall for Morse Code Audio QSO here -

https://youtu.be/1h8v865N7IE

2nd test of WebCall to see how well this FREE WebRTC service/APP will handle

QRQ CW MORSE CODE AUDIO…

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Added by Chuck aa0hw on October 16, 2021 at 10:17am — No Comments

YPLog QRQ CW Keyboard on Linux(W.I.N.E.) - special method to convert YPLog to Raised Cosine CW edges

PulseAudio is not being used, only the DEFAULT ALSA Sound Card...

the default alsa sound card is an ALSA LOOPBACK VIRTUAL SOUND CARD this Zalsa Command brings the YPLog CW AUDIO into the JACK AUDIO CONNECTION BAY for processing through the alsa loopback virtual cable:

jack_load -w -a zalsa_in -i "-d…

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Added by Chuck aa0hw on October 9, 2021 at 8:07pm — No Comments

Experimental iPhone RTSP CLIENT Morse Code Audio over IP Receiver receiving QRQ CW from RTSP SERVER

VLC has an ios version....

https://www.videolan.org/vlc/download-ios.html

an RTSP SERVER was setup on a PC and a Morse Code CW KEYBOARD was sending CW AUDIO into the input of the RTSP SERVER's audio input ports

Added by Chuck aa0hw on October 7, 2021 at 9:19am — No Comments

Linux/Ubuntu DIY adjustable QRQ CW Code Practice Sine Wave Oscillator - keyed using MIDI INPUT

BUILT from scratch using INGEN and a bunch of LV2 plugins:

see previous videos about this topic:

https://youtu.be/z6XLEQXCu9E

https://youtu.be/o5TKfq41wnE

also - for even more…

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Added by Chuck aa0hw on October 1, 2021 at 2:00pm — No Comments

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