“Two pianists repeat the same twelve note sequence, but one gradually speeds up. Here, the musical patterns are visualized by drawing two lines, one following each pianist.”
by chenalexander.com
Send a CQ and immediately get a list of reverse beacon stations that heard your call, from around the world, with time and signal report data.
Logs are collected in a database that is accessible for research.
Updates, including nearly 100 objects.
By Sebastian Piquemal
https://github.com/sebpiq/WebPd
Examples: https://github.com/sebpiq/WebPd#examples
Using Virtual Serial Port Manager
Setting a local bridge to connect the 2 virtual serial ports allows a Max patch to communicate with a radio on a real serial port and pass through the data to a virtual serial port that can be used by another program, such as a logger. The patch looks like this:
Its looks like a feedback loop but its not. In this case the bridge is: com1 <-> com2. Com1 is port a in the above patch. Data sent to com1 can be read from com2 and vice versa.
Low latency open-source VOIP system for music
By Alexander Carot
I have run Soundjack as a one-way system for sending audio from a shortwave radio over the internet. It has worked well with Windows 7 and Mac OS 10.x. The Windows version requires an ASIO audio interface.
How to set up the client side of the remote radio system.
(under construction) patches have not been uploaded to github
This client works with the sever described in the previous post. We are running a MacBook Pro OSx 10.11.4. with the following:
Install and set up LogMein Hamachi. It is free, for a limited number of computers. Set up a Hamachi server on both the server and client. It should look something like this:
We are using Soundjack VOIP. It is also free. Use the following parameters on the client side.
You can ignore the rest of the settings, since we are not sending audio. Most of the configuration is done on the server side.
Max
We are using several patches, depending on which hardware controllers you are using. Make sure that the hardware controllers are connected before opening Max.
After the max patches are loaded, you should be able to control the radio using the UI and the CDJ-101 controller. The red Mixer button in the upper right corner of the Launchpad should be lit.
to be continued…
How to run the server side (base station) of the remote shortwave radio system.
(Under construction) The patches have not been uploaded to github yet.
Assuming that the radio and antenna system are operating. We are using an internet connected MacBook Pro running OSx 10.9.5, with a MOTU 828 MK3 audio interface.
Install and set up LogMein Hamachi. It is free, for a limited number of computers. Set up a Hamachi server on both the server and client. It should look something like this:
We are using Soundjack VOIP. It is also free. Use the following parameters on the server side.
UDP/IP: enter hamachi IP of client.
When Soundjack is set up on the client. Press the green start button on the right side of the user list window on the server.
If all goes well, you should hear the radio on the client. Note: The input meter under local settings should be registering audio from your radio. If not, there is a problem with the audio interface.
The Max/MSP server exchanges CAT commands via the server serial port to the radio. The command data is exchanged with a Max patch on the client using OSC (over UDP).
eagle-cat8.maxpat
At this point you should be able to try the example commands, for instance to get the version or set frequency. If the commands are not working, it indicates a problem with the serial connection to the radio.
Next, check the IP address of the udpsend object. It should be the hamachi IP of the client.
Mac OS software for Softrock SDR receiver
By DL2SDR
Download from: https://dl2sdr.homepage.t-online.de/
Use with “Softrock USB-Controller app: https://reactivemusic.net/?p=18285
Note: After some experimentation with various audio interfaces and sample rates, I found it difficult to get clear audio on higher sample rates, like 192k and also there doesn’t seem to be any way to adjust the IQ balance.
Under construction…
The first in a series describing a system for internet remote control of a shortwave radio station. Its not something new. There are commercial products that provide remote operation of amateur radio transceivers. The purpose of this project is to make it possible to use shortwave radio sounds in musical performance, without the need of an antenna system.
base station:
remote control:
