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30 Your On-line Jammin' Settings Updated: October 28, 2020

Putting the One-line Jammin' Pieces Together?

Your Computer

Is your computer up to the task?

Any laptop or desktop computer with a CPU, the central processor of 2.0GHz or higher and a minimum of 4MB RAM will most likely be sufficient – the faster the better. This information can be found on a Mac by clicking on the Apple icon in the upper left-hand corner of the top menu bar and selecting About This Mac. For Windows hit Start, type "system information" and you can get the information.

My "About This Mac" • So I'm Good to go!

For Linux you probably already know how to get this information or know what you already have. If not here is a web page for 5 Ways to Check CPU Info in Linux of the various ways to get the information.

The lscpu command in Linux displays information about the CPU architecture.



lscpu one the Linux built-in command's that will give you a lot of information on you CPU.

Only, Run What Is Needed for the Jam

When it comes to processing audio and all the connections typically required to get the audio into your computer. The fewer things your computer has the handle, the better.

Quit ALL other applications and services that are NOT relevant to the Jam. Turn off Wi-Fi and disable all background tasks. On a Mac, these are all those little icons in the upper right-hand corner of the menu bar. If you don't need them for the Jam, quit them and restart them after the Jam. It helps is all the processing power of your computer is focused on the elements needed for the Jam, the audio, and video (if using video).

Your Internet Connection

Are you getting the best connection to the Internet®.

  • A Wired Internet Connection (No Wi-Fi). See the Internet section . If you have 10Mbs up and 1MB down you should be OK.
  • A Wired Headphones - NOT Speakers (No Wi-Fi). See the Internet section . This is thee prevent echo and feedback issues. Only listen to the single from the server. This will allow you to keep better time.
  • Always connect to the lowest ping time servers.
  • Jamulus Wiki Page: Getting Started
  • Jamulus Wiki Page: Hardware Setup
  • Jamulus Wiki Page: Network Requirements • A detailed page on the effect of the audio settings in Jamulus and the impact on the required network bandwidth.
  • Jamulus Wiki Page: Client Troubleshooting FAQ

Your Internet® Connection

To throughly enjoy your jammin' session you naturally need an Internet® connected computer or laptop . A direct, hard-wired connection to your network or router will give you the best experience. Wi-Fi or a cell phone connection can work as well - but is not recommended. An internal or external web cam is using a video conferencing application. It's actually a good idea to verify what connection you are using (Ethernet or Wi-Fi ). On a Mac your Network settings are available in "System Preferences" in the "Network" section. You might think you are hard-wired, but actually, be using Wi-Fi . When browsing the Internet and most simple tasks on the computer, you won't tell the difference.

Example Network Settings for Mac OS X

Example Network Settings for Linux, Pop!_OS Distribution

Checking Your Internet Connection Speed

The faster your connection, the better. You can check your actual download and upload connection speeds using SpeedTest , available as a web page and as mobile apps. Anything at or above 1mb down and up, and you will most likely be OK. SpeedTest will also give you your "ping", which is the time it takes to receive individual "packets of data. Fiber connections are typically better than cable (coaxial). However the fiber connection also has to be from the street to your in-home or business router to be 100% fiber.

Here is my SpeedTest results on October 23, 2020 from Boyertown, PA USA to Clinton, NJ.

So if I select a Jamulus server in the NJ, NY, or the Northeast of USA, I would be in the acceptable ping(ms) range to have a successful jammin' experience. Turn off TimeMachine and back-up software that might kick in during the jam. Back-up software is a RAM hog when it kicks in to back up your computer. On a Mac, you can launch the Activity Monitor and see all the actively running processes. There is a lot more than you think about going on with your computer. Windows and Linux have the same tools and apps to see what is running. The "Less," no-essential tasks and applications running, the better.

You can also just try a Jam and see how it goes. If it goes well and there are not "glitches," then you were OK, at least for now. This page is all tips the things to look out for the help you have a successful Jammin; experience and not have to worry about the "techy" part.

Your Audio Connection

Connection your voice and instruments to the computer.

Analog Microphones (Mics) and Instruments

Most instruments, your guitars, basses, drums, keyboards are designed for live performance situations. And are analog instruments with 1/4in or XLR connections. These need to be connected to your computer to process the audio for the jam. An audio interface that connects to the computer using USB connections is required to get the audio into the computer for analog instruments. If you are singing and/or playing acoustically and not concerned with quality, then your built-in computer Mic might be enough. However, the built-in Mic is typically not the same as the quality of a Mic designed for music performance. A jam, is a musical performance.

XLR Male and Female Connections

1/4in TS Connections a.k.a Phone (TS mono shown), TRS is Stereo

Checkout the WikipediA page: Audio and Video Interfaces and Connectors .

Digital Mics and Instruments

Digital instruments are designed to input directly into a computer via a USB connection. The three most common USB connection types are USB-A, USB-C, and 2.0 Micro-USB. Most computers will have USB-A connections at the minimum. USB-C is slowly become the more common connection.

From CableWharehouse : USB Types

Headphones and Speakers

Headphones are a necessary investment for on-line jammin'. You should NOT listen to yourself "live", but only the playback through headphones. NO Speakers .

Audio Interface

Not to be confused with the WikipediA Audio and Video Interfaces and Connectors that dealt with the cables part of the interface. This section is the hardware boxes, the digital interface that turns the analog signals in to digital signals to send to the computer and computer's applications.

One of the most popular series of Audio Interfaces is the Focusrite Scarlett series. the Solo, 2i2, 4i4, 8i6, 18i8, 18i20, etc.

From Focusrite : Scarlett 2i2

Audio Routing / Virtual Audio Drivers

All these audio inputs need routing to get to the right places. On a Mac, there are two places that this happens, Sound Preferences and Audio MIDI Setup. Sound Preference is access via the System Preferences in the Apple Menu item in the top menu bar. Audio MIDI Setup is a separate Utility application. The Audio MIDI Setup app shows all the listed devices. Check that they are all set at 48,000 Hz. Set the bitrate 32-bit when available.

Mac: Audio MIDI Setup

There are several audio routing options. For Mac , virtual audio drivers include Soundflower (MacOS 10.10 Yosemite and earlier), BlackHole (MacOS 10.11 El Capitan and later, including Catalina), LoopBack, and others. LoopBack is the easiest to use for non-techies. For Windows , there’s ASIO4ALL, JACK, VoiceMeeter, and others. Reaper (DAW) for Windows includes an audio routing solution (ReaRoute). For Linux Jack Audio Connection (JACK) is the way to go.

Jamulus, MacOS, Audio Interface, Rogue Amoeba Loopback, Zoom, and OBS

You'll be surprised how much the visual aspect of performing or jammin', live with fellow musicians affects the actual performance. The key is to get latency down to an acceptable level, so the visuals on-screen appear in sync with the playing. You can not get that with the audio from ZOOM, Skype, or video conferencing applications. You can by getting your audio from Jamulus. That is the key, and with visual feedback close enough, we don't try to reconcile that the visual and audio are not in sync.

OBS live stream or recording setup using Jamulus, Loopback and Zoom

Handling Audio Between Applications - Mac

There are both commercial and free solutions for handling the audio on Mac , Windows , or : AlternateTo: Loopback . However, if on a Mac Loopback is well worth the cost.

Universal Audio Option - Mac/Windows/Linux

JACK Audio Connection Kit (JACK) jackd is the JACK audio server daemon that allows JACK client programs to process and route audio and MIDI data in a synchronous, sample-accurate and low-latency manner. Originally written for the GNU/Linux operating system, it also runs on various Unix platforms, Mac OS X and MS Windows. JACK is needed on Linux.


  • Buy a USB audio interface to reduce latency.
  • Set All Sample Rates to 48Hz in audio connections. This matches Jamulus
  • Direct Monitoring should be OFF. Mute your self in Jamulus. Use headphones NOT speakers .

As you can see, audio is the one are that will give you the most frustration in setting things up. And an additional issue is to remember what worked. That is one of the big reasons for creating these pages.

Jamulus Settings

Getting the most out of Jamulus session.

If you've gotten this far you're ready to go and connect to fellow ukulele players around the world. The Audio connections tend to be the most confusing, hence the Audio section was long. This next part is getting Jamulus to use those connections.

Getting Started

From the Jamulus Getting Started page.

  • A computer running either Windows 10 , MacOS X El Capitan (v10.11) or higher, or Linux .
  • A Wired Internet Connection (No Wi-Fi). See the Internet section . If you have 10Mbs up and 1MB down you should be OK.
  • A Wired Headphones - NOT Speakers (No Wi-Fi). See the Internet section . This is thee prevent echo and feedback issues. Only listen to the single from the server. This will allow you to keep better time.
  • Always connect to the lowest ping time servers.

Suggested Settings

  • Device: Unless you know your other options. Use your sound card for In and Out.
  • Audio Channel to Mono.
  • Audio Quality to High.
  • Buffer to 128.
  • Enable Small Network Buffers to High.
  • Jitter Buffer to Auto.

The "Settings" & "Mixer" (Jamulus) Jamulus Client Windows on Mac. Click on "Connect" to select a Jamulus server.

The “Funky Frets” Jamulus Servers

The “Funky Frets” Jamulus Servers • ARE NOW LIVE!!!

October 27, 2020 - the Funky Frets/ Jamulus Server, a dedicated place for ukulele players worldwide to jam. There are "public" server and open to anyone in the world. The Scheduled Jam servers will most likely be private. We'll see how it goes.

Connection to a Jamulus Server

After launching the Jamulus client application, click on the "Connect" button in the Jamulus (Mixer) window and select All Genres from the List menu in the "Connection Setup" window. Then select one of the Funky Frets servers, Newark, NJ United States. For scheduled Funky Frets/ jams, select the scheduled server or enter the IP Adders that your where sent. You can setup your own jams on non-scheduled times and use any of the Funky Frets servers.

Select a Funky Frets server. Funky Frets and Funky Frets Two will be the most available with the lowest ping times. The Funky Frets East server and the Jamulus client where on the same computer at my home and that is why it's 1ms. The "ping" times are all relative to a Northeast, USA connection.

If you are connecting to a private Jamulus server then enter the IP Address you where emailed in the Server Address field at the bottom right hand corner of the "Connection Setup" window.

Checkout the Introduction - To Jammin' On-line and Gear & Optimizing You Settings pages for using Jamulus and what is needed for a successful on-line jammin' experience.

Using Video Conferencing Software

Getting the most out of Jamulus session using a video conferencing software solution. This section's focus is on ZOOM but the concepts are the same for other video conferencing software.

Using ZOOM or any video conferencing software like that will give you the visual experience of playing live with other musicians and actually seeing them, albeit small but still in-person. Just don't use the video conferencing software's audio. Jamulus and all the previous audio connection work you did on this page will handle that.

User the Latest Version

Upgrade to run the latest version of ZOOM. You always want to take advantage of the latest features in ZOOM. As of October 27, 2020 on my Mac the latest version is 5.4.0 (58631.1025). On a Mac, you can click on the menu item in the top menu bar and select "Check for Updates...". Zoom will either update or tell you that you are running the latest version. For Windows and Linux, poke around the menus. It's in there somewhere.

ZOOM Downloads:

Turn OFF Audio in ZOOM?

Jamulus is handling the audio. The only audio you want to here is the mixed audio returned from the Jamulus server. For everyone on Jamulus you can chat using your live Jamulus connection.

Know Your Mic Status?

Always keep an eye on your Mic status. "Is it ON? Is it OFF?" You can avoid some embarrassing moments by being aware of your Mic and video status.


Don't forget you can always use the "Chat" feature in ZOOM or Jamulus. ZOOM's chat access is available at the bottom of the main window. You can send a message to ALL or an individual person.

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