Choose equipment to use with Jamulus 
This website is dedicated to the New Jersey Gay Men's Chorus
Jamulus v007.2.4 modified 2023 August 07 12:55 Prevailing Eastern Time (to use an old version, go to the version history)
from address bar
You can use the URL Customizer (or menu at right) to switch among instructions for FarPlay, Jamulus, SonoBus, Soundjack, and Zoom. This website is NOT an official document for any of these applications. Documents that are official and/or more original are listed in the table below. Dr. Howell's Embodied Music Lab is an ideal place to pay for consulting for online musical collaboration.
FarPlay ![]() |
JackTrip |
Jamulus |
SonoBus |
Soundjack |
Zoom (Live Performance Audio) |
|---|---|---|---|---|---|
| FarPlay (Runov & Tepfer) is a p2p descendant of JackTrip (Chafe & Cáceres). | JackTrip Virtual Studio is conceptually similar to Jamulus (see next column). |
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If you would like to share a customized version of this page, you can use parameters appended to the URL.
In the tables below, indicate the settings you'd like to use. Then, press the reload button underneath the tables.
Default values are indicated in bold. Text string form fields are initially populated with input, if provided, from current URL.
| isp | client | cpu | Just for use with Soundjack | Just for use with Jamulus or Soundjack | Just for use with FarPlay | |||
|---|---|---|---|---|---|---|---|---|
| BETA bundled | stage | server | fp_id_pre | fp_sub | fp_bc | |||
fibercable |
fp (FarPlay )jamulus ( sb (SonoBus sjc (Soundjack zoom (BETA Zoom LPA |
Works with FarPlay, Jamulus, SonoBus, Soundjack, & Zoom: comp (computer )Works with SonoBus & Soundjack: iOS (iPhone/iPad )Only used with Soundjack: fmb (fastmusic box )fmbpro (fastmusic box pro )
Works with Jamulus & SonoBus: jambox ( )
|
SJ app includes browser? 1 (yes) 0 (no) |
classic lite |
1 (start up mixing server) 0 (don't) |
Use premade FarPlay session ID? 0 (no) 1 (yes) |
Use FarPlay subscription? 0 (no) 1 (yes) |
Use Broadcast Output? 0 (no) 1 (yes) |
| cheapInput | usbai | 2sing | mic | kbd | channels |
|---|---|---|---|---|---|
0 (use better audio equipment )1 (use cheap headset )
|
Default: Focusrite Scarlett |
1 (> 1 singer) 0 (only 1 singer) |
xlr35 (XLR-to-3.5-mm plug adaptor & 3.5-mm plug mic / )headworn (headworn condenser )sideaddress (side-address condenser )dynamic (e.g. SM58 )omni (omnidirectional condenser )
|
1 (🎹) 0 (no) |
1 (mono) 2 (stereo) |
| shop | setup | initial_setup | os | vid | sheetmusic |
|---|---|---|---|---|---|
|
🛒 1 (show)0 (hide) |
🔧 1 (show)0 (hide) |
🌱 1 (include)0 (omit) |
mac (macOS )win (Windows |
sjv (Soundjack vdo (VDO.Ninja sbvdo (SonoBus owbv (Other 📷 web-based video) fpv (FarPlay in-app video)zoom |
🎼 1 (show sheet music link)0 (don't) |
| fpID | groupName | groupPwd | guideName | jamulusServer |
|---|---|---|---|---|
|
Default: ExampleFarPlaySessionID |
Default: ExampleGroupName |
Default: ExampleGroupPassword |
Default: ExampleGuideName |
Default: ExampleJamulusServerAddress |
| owbvTitle | owbvURL | zoom | sheetmusicURL |
|---|---|---|---|
|
Default: Other web-based video site title |
Default: OtherWebBasedVideoURL |
Please generate encoded Zoom URL by pasting your Zoom URL into the following text field and pressing the "⟲ RELOAD this page using URL parameters selected in the above tables" button below. Default: ExampleZoomURL |
Default: sheetmusicURL |
| Connectivity | Computer and USB Audio Interface | Microphone, headphones, & audio cables |
|---|---|---|
Broadband, low-jitter internet connectionYou have fiber-optic internet.You have cable internet. Note: DSL might also work, but will likely require contacting the phone company to disable interleaving; a technician might be dispatched to move copper wiring around to reduce line noise. Home networking(A) Main router that can be reached by Ethernet cable from computer without repeater/extenderIf you prefer to run a single cable for most of the length between the router and computer, use an Ethernet switch: Linksys SE3005 ($35) and an Ethernet cable that connects switch → router:8' ($15) 14' ($20) 25' ($25) 50' ($38) 100' ($45) 150' ($55) |
(C) Computer ![]() on.COMPBoth audio and video will be on the computer. ≳ 4-core vintage 2015 laptop Core i7The processor need not carry the i7 moniker. For example a desktop quad-core Core i3-8100 @ 3.60 GHz and a laptop quad-core Core i7-8650U @ 1.90 GHz have comparable benchmarks. If a CPU has at least 4 cores and a benchmark at least in the 6200ish range, I think the CPU is in most cases fast enough. If your computer does not have an Ethernet port, use an Ethernet-to-USB adapter . Please pay attention to which type of connector, USB-C or USB-A, you'd like to use, and please check that you are happy with the number of USB expansion ports provided by the Ethernet-to-USB adapter you select.uni USB-C to Ethernet & 3 USB-A ($20) uni USB-A to Ethernet & 3 USB-A ($20) (B) Ethernet cable to connect computer → router (or Ethernet switch):8' ($15) 14' ($20) 25' ($25) 50' ($38) 100' ($45) 150' ($55) on.iOS
Audio will be on an iOS device (O) Ethernet adapter for iOS device
If your iOS device has a Lightning port (typical for iPhones), try using LXJADAP Lightning to Ethernet, USB-A, and Lightning charging port ($18) If your iOS device has a USB-C port (typical for recent iPads), try using vilcome USB-C to ports including Ethernet, 3 USB-A ports, and a USB-C port with power delivery ($32) (D) Ethernet cable to connect iOS device's Ethernet adapter → router (or Ethernet switch):8' ($15) 14' ($20) 25' ($25) 50' ($38) 100' ($45) 150' ($55) on.FMBSoundjack will run on a fastmusic box (FMB). The computer will be used for video. (D) Ethernet cable to connect FMB → router (or Ethernet switch):8' ($15) 14' ($20) 25' ($25) 50' ($38) 100' ($45) 150' ($55) (E) Fastmusic Box (FMB) ![]() Prebuilt ($268) Buy parts & assemble (~$190) on.JBSonoBus or Jamulus will run on a jambox. The computer will be used for video. (D) Ethernet cable to connect FMB → router (or Ethernet switch):8' ($15) 14' ($20) 25' ($25) 50' ($38) 100' ($45) 150' ($55) (Q) jambox ![]()
For instructions and microSD card image, go to Kevin Doren's Jambox Github Project at Buy and assemble physical parts for FMB (but don't buy fastmusic OS) (~$93) on.FMBProSoundjack will run on a fastmusic box pro. The computer will be used for video. (D) Ethernet cable to connect FMB Pro → router (or Ethernet switch):8' ($15) 14' ($20) 25' ($25) 50' ($38) 100' ($45) 150' ($55) (O) Fastmusic Box Pro (FMB Pro) ![]() Prebuilt ($539) A separate USB audio interface need not be purchased to use your audio equipment with the FMB Pro. However, you might still wish to buy a USB audio interface so you can use your audio equipment with your computer (e.g. work from home) at other times.
(F,G) USB cable & Audio interface
![]()
Latency data are found at the Behringer UM2 ($59, MSRP $74, manufacturer no longer provides ASIO drivers--annoying for Windows users) PreSonus AudioBox Go ($80) Scarlett Solo ($130) For a mic, a stereo connection to a digital piano, and stereo connection to an iPhone's line-out: Yamaha AG03 Mk2 ($190, MSRP $216) Yamaha AG06 Mk2 ($230, MSRP $265) For 2 condenser mics in stereo (e.g. accompanist with acoustic piano): PreSonus AudioBox USB 96 ($100) Scarlett 2i2 ($190) Other: BETA Cheap ADC/DAC for iOS/macOS/FMB/Jambox
(Q) USB-to-3.5 mm adapter
The following adapters have about 9 ms of round-trip latency. Choose the Sabrent if you would like a single unit without a cord. Choose the UGREEN 30724 if you would like the USB-A plug to be as small as possible (to avoid crowding out nearby USB ports on a hub). Sabrent AU-MMSA USB-A to dual 3.5 mm TRS jacks ($9)UGREEN 30724 USB-A to dual 3.5 mm TRS jacks ($14)
(Q) USB-to-3.5 mm adapter
The following adapters have about 9 ms of round-trip latency. Choose the Sabrent if you would like a single unit without a cord. Choose the UGREEN 30724 if you would like the USB-A plug to be as small as possible (to avoid crowding out nearby USB ports on a hub). Sabrent AU-MMSA USB-A to dual 3.5 mm TRS jacks ($9)UGREEN 30724 USB-A to dual 3.5 mm TRS jacks ($14)
(Q) USB-to-3.5 mm adapter
The following adapters have about 9 ms of round-trip latency. Choose the Sabrent if you would like a single unit without a cord. Choose the UGREEN 30724 if you would like the USB-A plug to be as small as possible (to avoid crowding out nearby USB ports on a hub). Sabrent AU-MMSA USB-A to dual 3.5 mm TRS jacks ($9)UGREEN 30724 USB-A to dual 3.5 mm TRS jacks ($14)
You don't need to buy a USB-to-3.5 mm adapter if you are using a Mac. You can plug a 3.5 mm TRRS plug directly into the 3.5-mm headset jack on your Mac. (Trying something similar on a Windows PC is not as straightforward and can result in frustration).
|
See Dr. Ian Howell's microphone advice. MIC.1Use a headworn mic (suggested if your audio equipment will also be used for routine work-from-home) (I) In-line preamp & (J) Headworn condenser mic![]() Shure PGA31 + BETA preamp ($129 combined) Shure SM35 ($159) (includes BETA preamp) Other: MIC.2Use a side-address condenser mic (K) Side-address condenser mic Audio Technica AT2035 ($149) Lewit LCT 240 Pro ($159) Other: Mic stand: Desktop mic stand ($20) Floor mic stand without boom ($32) Røde PSA1 Desk-mounted boom arm ($99) MIC.3Use a dynamic microphone (nice if you're just singing and/or don't need to move around a lot while on calls) (L) Dynamic mic![]() Behringer XM8500 ($30) Shure SM48 ($43) Shure SM58 ($99, MSRP $129) Other: Mic stand: Desktop mic stand ($20) Floor mic stand without boom ($32) Røde PSA1 Desk-mounted boom arm ($99) MIC.4Use an omnidirectional condenser microphone (captures sound of room in addition to singer—useful for classical voice lessons) (M) Omnidirectional condenser mic![]() Behringer ECM8000 ($30, MSRP $104) Beyerdynamic MM-1 ($150, MSRP $199) Audix TM1 ($299) Earthworks M23 ($499) Other: Mic stand: Desktop mic stand ($20) ⭐ Floor mic stand without boom ($32) Røde PSA1 Desk-mounted boom arm ($99)
(S) 3.5-mm plug mic
/ ![]() As part of a chintzy headset ($24)Other (maybe a desktop mic from the 1990s?):
🎹 Digital pianoConnect digital piano's L(MONO) output using a 1/4" (male)-to-1/4" (male) instrument cable10' ($22) To see the screen while seated at a piano at the side of the desk, use a Bathroom mirror ($20) ![]() See Dr. Howell's Soundjack guide pp. 60-62. ⚠ Do NOT check the checkbox immediately below if the checkbox for the same cheap headset is already checked in the microphone section of this shopping list. Headset so chintzy as to seem to be open-back ($24)If you plan to use a chintzy headset, you'll probably need a separate (G.Q) 1/4"-to-3.5 mm adaptor. Hosa GHP-105 1/4" to 3.5 mm Adaptor ($4)
Actual open-back headphones (should come with 1/4"-to-3.5 mm adaptor, if needed) Philips SHP9500 ($75)Grado SR80e ($94) Grado SR60x ($99) Yamaha HPH-150B ($117) Grado SR80x ($125) Roland RH-A7 ($150) Other:
(R) Commodity headset
![]() Chintzy on-ear headset with boom mic (you can probably find something similar at STAPLES) ($24) Please deliberately look for a headset with chintzy thin foam "pads" rather than the "nicer" leather-style pads. The flimsiness of the pads and the lack of sound isolation provided by the thin plastic backs of crummy headphones actually provides a benefit: users can hear themselves as though they were wearing open-back headphones (useful for acoustic singers). |
→ Power Adapter
→ Power Outlet
.
→ Ethernet/USB Hub/Adapter
(if needed) → Ethernet Cable
(OK to use switch & 2nd cable) → Main Router
.
, turn WiFi OFF
.
→ USB Cable
→ Computer
(by way of Ethernet/USB Hub/Adapter is OK).
→ Ethernet Cable
(OK to use switch & 2nd cable) → Main Router
.
→ USB Cable
→ FMB
.
→ FMB
.
already connected to Wall Power
?
's Power Button to turn your FMB ON.
→ FMB's Power Adapter
→ Power Outlet
. Some FMBs are configured to power on upon connecting to wall power. If your FMB does not automatically power on upon connecting to wall power, click your FMB
's Power Button to turn your FMB ON.
's Red LED is lit.
→ Ethernet Cable
(OK to use switch & 2nd cable) → Main Router
.
→ USB Cable
→ Jambox
.
→ Jambox
.
already connected to Wall Power
?
's Power Button to turn your Jambox ON.
→ Jambox's Power Adapter
→ Power Outlet
. Some Jamboxes are configured to power on upon connecting to wall power. If your Jambox does not automatically power on upon connecting to wall power, click your Jambox
's Power Button to turn your Jambox ON.
's Red LED is lit.
→ Ethernet Cable
(OK to use switch & 2nd cable) → Main Router
.
already connected to Wall Power
?
's Power Button to turn your FMB Pro ON.
→ FMB Pro's Power Adapter
→ Power Outlet
. Some FMBs are configured to power on upon connecting to wall power. If your FMB Pro does not automatically power on upon connecting to wall power, click your FMB Pro
's Power Button to turn your FMB Pro ON.
Space for STAGE
's Red LED is lit.
→ Ethernet adapter
→ iOS device's charging cable
→ Power outlet
.
→ Ethernet adapter
→ Ethernet cable
(OK to use switch & 2nd cable) → main router
.
.
| Marker | Type of iOS device | Swipe |
|---|---|---|
| Ⓐ | iPhone/iPad that has no home button | Swipe from top-right corner slightly toward the bottom-left. |
| Ⓑ | iPhone/iPad that has a home button | Swipe from bottom-center slightly toward top-center. |
→ USB cable
→ Ethernet adapter
→ iOS device
.
→ Ethernet adapter
→ iOS device
.
FMB Pro
, ensure that 48-V PHANTOM POWER is OFF.
These instructions are for changing a Windows registry entry so that Soundjack can use Focusrite Scarlett USB audio interfaces with lower buffer settings (otherwise rhythmic interaction is not possible). The instructions are lightly adapted from Jörg Spix's post at Soundjack Support Form Post # 4780.
FMB Pro
→ XLR-to-3.5 mm Adaptor
→ (possibly using a 3.5 mm Splitter) → 3.5-mm plug Mic
/
.
FMB Pro
, turn 48-V PHANTOM POWER ON.
FMB Pro
→ XLR Cable
→ In-line Preamp
→ Headworn Condenser Mic
.
FMB Pro
, turn 48-V PHANTOM POWER ON.
securely mounted on Stand.
FMB Pro
→ XLR Cable
→ Side-Address Condenser Mic
.
FMB Pro
, turn 48-V PHANTOM POWER ON.
securely mounted on Stand.
FMB Pro
→ XLR Cable
(possibly using an XLR Splitter) → Dynamic Mic
.
securely mounted on Stand.
FMB Pro
→ XLR Cable
→ Omnidirectional Condenser Mic
.
FMB Pro
, turn 48-V PHANTOM POWER ON.
FMB Pro
, check that the input gain for the XLR jack is set to a reasonable level (if possible, use a level that was successfully used in a previous rehearsal).
→ (1/4"-to-3.5 mm Adaptor, if needed)
→ Headphones Splitter →
FMB Pro
.
FMB Pro
, check that the headphones monitoring level is set to a reasonable level (if possible, use a level that was successfully used in a previous rehearsal).
→ (might need TRRS-to-dual-TRS-green/red adapters, possibly provided) → 3.5 mm TRS-to-TRS splitters → USB-to-3.5 mm adapter
.
→ (might need TRRS-to-dual-TRS-green/red adapters, possibly provided) → 3.5 mm TRS-to-TRS splitters → USB-to-3.5 mm adapter
.
→ (might need TRRS-to-dual-TRS-green/red adapters, possibly provided) → 3.5 mm TRS-to-TRS splitters → USB-to-3.5 mm adapter
.
→ 3.5 mm TRRS-to-TRRS splitters → computer
.
→
FMB Pro
.
→
FMB Pro
.
It's relatively easy to use a digital piano connected in stereo in addition to a microphone on something like a Yamaha AG-03/06, which can downmix all input audio into a stereo audio stream sent to the computer. Please beware that this setup page does not include all audio routing/mixing-related settings that might be relevant when connecting a digital piano in stereo in addition to a microphone. Human guidance with routing/mixing is recommended.
has a LINE/INST button, make sure that the LINE/INST setting is LINE for the inputs used for connecting the digital piano.
, you should ensure that direct monitoring is ON.
On some audio interfaces, direct monitoring is enabled by pushing a button or toggling a switch. On an audio interface with a "Mix" knob with extreme settings labeled "Inputs" and "Playback", the relative balance of your local audio, "Inputs", and audio from the computer, "Playback", can be adjusted to taste. For some audio interfaces, direct monitoring settings can be accessed through a software utility provided by the audio interface manufacturer.
, you should ensure that the local audio level is not zero.
into the headphones jack of the digital piano 🎹.
Home users will often be able to skip this section of settings, at least for their first test connection. Using the button below to reveal instructions for router settings can be useful if you are told to set up port-forwarding and/or quality of service (QoS).
It's not always necessary to explore the router settings, but optimizing settings now can help us to avoid headaches that can potentially occur when trying to troubleshoot issues when attempting to connect with multiple people later. Video-walkthroughs of router settings for Soundjack are available at Dr. Ian Howell and Kayla Gautereaux's video bootcamp archive, and these videos are useful for getting an idea of how router settings can be adjusted when using other low-latency applications as well.
Router settings instructions are basically the same for SonoBus. You can use UDP port 50050 even though the port number mentioned in the SonoBus user guide is 12000.
| Dear Router, | Router settings | |
|---|---|---|
| ➀ |
Permanently assign my
computer an only-within home network IP address of 192.168.1.12
iOS device an only-within home network IP address of 192.168.1.7
FMB an only-within home network IP address of 192.168.1.23
Jambox an only-within home network IP address of 192.168.1.23
FMB Pro an only-within home network IP address of 192.168.1.23
. Don't let any other household device use that only-within home network IP address.
⚠ You don't have to carry out this step, but if you don't then you might have to repeat step ➁, possibly as frequently as, in principle, every single time your computer iOS device FMB Jambox FMB Pro reconnects to the router. |
Home network > Create DHCP reservation > Assign your computer iOS device FMB Jambox FMB Pro (possibly identified in router settings using a nickname or MAC address) a static private IP address of 192.168.1.12 192.168.1.7 192.168.1.23 192.168.1.23 192.168.1.23 . ⚠ Setting up a static private IP for your computer iOS device FMB Jambox FMB Pro is different from getting a static public IP for your router. |
| ➁ | Whenever you receive a packet via UDP for port 50050, send that packet onward to within-home network IP address 192.168.1.12 (my computer) 192.168.1.7 (my iOS device) 192.168.1.23 (my FMB) 192.168.1.23 (my Jambox) 192.168.1.23 (my FMB Pro) (even if the inbound packet is not preceded by an outbound packet to make it obvious that the inbound packet really is intended for 192.168.1.12 (my computer) 192.168.1.7 (my iOS device) 192.168.1.23 (my FMB) 192.168.1.23 (my Jambox) 192.168.1.23 (my FMB Pro) ). |
Home network > Set up a port-forwarding rule to forward all packets received via UDP at port 50050 to 192.168.1.12 (my computer) 192.168.1.7 (my iOS device) 192.168.1.23 (my FMB) 192.168.1.23 (my Jambox) 192.168.1.23 (my FMB Pro) port 50050. |
| ➂ | When any other device on the home network competes with my computer iOS device FMB Jambox FMB Pro to send/receive packets of information to/from the outside world, put an emergency-vehicle light on each packet to/from my computer iOS device FMB Jambox FMB Pro that lets packets to/from my computer iOS device FMB Jambox FMB Pro "cut the line" and be transmitted while packets to/from other devices on the home network wait. |
Home network > QoS (Quality of Service) > Assign your computer iOS device FMB Jambox FMB Pro (possibly identified according to Ethernet port number) Highest priority. |
This step is no longer required as of FarPlay version 1.0.5, but I still prefer to carry out this step.
⚠ Quit any applications that might be using an audio sample rate other than 48 kSamples/s.
An audio application using a different sample rate (e.g. 44.1 kSamples/sec) might lock the soundcard into using that sample rate. In such a case, when FarPlay is opened, the soundcard's sample rate will not match FarPlay's native sample rate of 48 kSamples/sec, and interpolation will be needed.
| Type of application | Example(s) | Comment |
|---|---|---|
| Digital Audio Workstation (DAW) | Ableton Live, Adobe Audition, Cakewalk, Cubase, GarageBand, Logic Pro, Pro Tools | May be using audio sample rate of 44.1 kSamples/sec |
| Voice Over IP (VOIP) | Skype, FaceTime | May be using audio sample rate of 16 kSamples/sec (I'm not sure this is a problem; I was able to hear audio that didn't have the robot voice effect when I tested audio on FarPlay while running Skype). |
| Type of application | Example | Comment |
|---|---|---|
| File system indexer | macOS: Spotlight indexing (look for mds in Activity Monitor) Windows: Windows Search Indexer | macOS: You can wait until an index being built is built. Another option is to disable indexing. Windows: Kill search indexer (you can also permanently disable indexing). |
| Cloud file storage synchronization | DropBox background synchronization and software updates | Quit DropBox |
| Productivity/creativity suite maintenance | Adobe Creative Cloud background software updates | Quit Adobe Creative Cloud (might need to force quit) |
| Malicious software scanner/remover | Malware Bytes | Quit Malware Bytes for duration of rehearsal |
| Anti-virus package | Real-time scanning macOS 11 Big Sur: Bug related to camera/microphone monitoring in Sophos Anti-Virus package that causes excessive CPU usage |
Disable real-time scanning for duration of rehearsal macOS 11 Big Sur: (I think the Sophos bug is resolved now). |
appears. A terminal window also appears. You can minimize and ignore the terminal window).
FarPlay.
FarPlay.
https://farplay.io/download.
FarPlay application to the shortcut for your Applications Folder.
for FarPlay.
appears. A terminal window also appears. You can minimize and ignore the terminal window).
If you forget to launch FarPlay at the end of the installation process, you can go into the Start Menu, open the FarPlay Folder, and then open the
FarPlay application.
FarPlay icon in the taskbar.
FarPlay icon should remain in the taskbar even after you close the FarPlay application.
or a dark gray button containing both a padlock and the label "LOGIN", as shown below
you are not logged into your Soundjack account. In this case, tap the padlock/"LOGIN" button and log into the Soundjack website.
or a red button containing the label "LOGOUT", as shown below
you are logged into your Soundjack account.
If something gets messed up with the update process, you might be asked to leave the FMB on overnight (time zones of the Americas) so that an update can be attempted during the morning in Germany. In some situations, Christian Hoene at Symonics GmbH may try to arrange a time with you to work on your FMB remotely.


During the earliest phase of boot-up, the Ethernet indicator lights might not flicker very much.
If one of the links fails, try the other link.
Please wait a moment for the shell script to get everything ready for SonoBus to run.
Please wait a moment for the shell script to get everything ready for Jamulus to run.
There aren't really "first-time" settings. There is no account with which persistent settings could be associated.
Pressing the Test button plays a tone that could be very loud.
If you would like to test audio playback, it is safest to reduce your headphone level all the way down and then gradually raise your headphone level back up while pressing (repeatedly, if needed) the Test button.
FarPlay window, click the "Log in/Subscribe" button.
FarPlay window, click the "Log in/Subscribe" button.
FarPlay window and click the "Account" button to bring up your account information.
FarPlay window, click Menu and choose Preferences to bring up the Preferences control panel. Check that you are looking at the "General Options" tab.
You can use a smaller audio buffer size to decrease latency if your computer and outbound internet connection handle frequent transmission of outbound packets well. A larger audio buffer size incurs more latency, but might be better if there is a limitation in your ability to transmit outbound packets frequently (examples: slow computer and congested outbound internet connection).
You can use a smaller audio buffer size to decrease latency if your computer and outbound internet connection handle frequent transmission of outbound packets well. A larger audio buffer size incurs more latency, but might be better if there is a limitation in your ability to transmit outbound packets frequently (examples: slow computer and congested outbound internet connection).
FarPlay window, click Menu and choose Preferences to bring up the Preferences control panel. Navigate to the "Advanced" tab.
If the status of a light-up button seems to be inconsistent with displayed screen(s), try clicking the light-up button of interest a couple more times. Settings and actions can also be accessed using menu bar items.
Zoom settings are likely to be changed from session to session (user uses dedicated audio interface and "Live Performance Audio" one day, then switches to highly processed laggy audio with built-in mic on another day while passing through an airport, etc.), so this website treats the verification/adjustment of audio settings in Zoom as a routine, rather than a one-time/occasional, process.
Adapted from SJTG Preview image from Dr. Alex Carôt (permalink)
The rehearsal manager might request changes to this setting during rehearsal.
The rehearsal manager might request changes to this setting during rehearsal.
The rehearsal manager might request changes to this setting during rehearsal.
The rehearsal manager might request changes to this setting during rehearsal.
If Soundjack gives an "Audio not ready" error, you might try setting the sample buffer to "sample buffer: 256" and then back again to "sample buffer: 64".
The rehearsal manager might request changes to this setting during rehearsal.
For conceptual background for Broadcast Output, go to a brief description.
FarPlay window, click Menu and choose Preferences to bring up the Preferences control panel.
, the mic should be near the corner of the intended mouth, NOT smushed against the side of a face.
, the mic should be a couple inches from and pointing in toward the intended mouth. "Eat the mic."

| Your microphone has a flat frequency response in the | Recommended orientation of microphone barrel |
|---|---|
| Free field (0°) | Aim microphone at mouths. |
| Diffuse field (90°) | Orient microphone's barrel perpendicular to line segment connecting mouths and aperture of microphone. |
FarPlay window using one of the following methods:
FarPlay window, click the "Join Session" button.
|
|
|
SERVER |
|
For each site to which you are connected, you can use any of the following strategies to choose an initial configuration for the jitter buffer. If you hear a lot of garbled audio, you can experiment further.
| Remote user's network buffer | Suggested number of buffered packets for audio received from remote user |
|---|---|
| 128 samples | 4 buffered packets |
| 256 samples | 2 buffered packets |
| 512 samples | 1 buffered packets |
This strategy is easy to use and prevents a runaway ratchet-like increase of the jitter buffer size, but this strategy will not automatically adjust the jitter buffer to accommodate mid-session variation in jitter.
Jitter buffer strategy B (also not necessarily optimal, but easy)
The automatic jitter buffer size will dynamically adjust based on network conditions.
As of 2022 January, the automatic jitter buffer adjustment can be tricked in certain situations into a runaway condition in which the jitter buffer size increases in a somewhat ratchet-like fashion leading to lower performance than achieved by the other options.
| Remote user's network buffer | Suggested number of buffered packets for audio received from remote user |
|---|---|
| 128 samples | 4 buffered packets |
| 256 samples | 2 buffered packets |
| 512 samples | 1 buffered packets |
It is a good idea to pad a reservation with an extra hour. For example, for a rehearsal running from 7:30p-8:30p, open the server for two hours from 7:00p until 9:00p. This way, musicians can make sure that their equipment is successfully connected before rehearsal and the server doesn't abruptly shut down in the midst of conversation at the end of the rehearsal.
If it seems that the automatic adjustment of the jitter buffer is not working, change the jitter buffer setting for the whole server to something else (you can then switch the overall server jitter buffer setting back if you like).
If the automatic jitter buffer setting seems to want to choose a high (4 buffered packets is not really "high", but 16 buffered packets, for example, is definitely "high") number of buffered packets for a particular user, ask that user to increase their network buffer. After the server's automatic jitter buffer setting is allowed some time to adjust in response, see whether the latency reported on the server panel for the user of interest has improved.
If the size of the jitter buffer (as a number of buffered packets) for audio from a particular user keeps trying to hover around, say, 16, ask the user whether they have connected the device running Soundjack directly using an Ethernet cable to their main router (only an Ethernet switch can intervene--there should be no Google Home or other extender/repeated), whether they have turned off WiFi, and whether they have turned off an VPN.
The steps below do not necessarily ensure that every singer is audible. The steps below are meant merely to prevent really annoying clipping.
This step can be done casually as part of a routine warm up. It is not necessary to have the chorus constantly sing loudly.
| Type of microphone | Placement |
|---|---|
| Headworn condenser | No less than an inch from corner of mouth, aimed at mouth |
| Side-address condenser | 6-12 inches from mouth, with logo facing user, and with major axis of microphone perpendicular to the line connecting mouth to the grill |
| Dynamic | In front of mouth, 1 inch from mouth, facing in toward mouth |
| Omnidirectional condenser | Orientation of microphone is not that crucial, start with mouth aimed at microphone and with mouth and microphone separated by 5 feet |
button (far right).
Your ensemble's Jamulus server address should have been obtained by the rehearsal technology leader and incorporated into this page of instructions ahead of time. You might not need to re-paste your ensemble's Jamulus server address if you've connected to your ensemble's Jamulus server in the past.
You might be able to find your ensemble's Jamulus server address by looking through the pulldown menu for "Server Address" if you've connected to your ensemble's Jamulus server in the past.
Ensemble members are strongly encouraged to begin setup no later than 15 minutes before baton down. Ensemble members with more hardware setup steps (e.g. must reconnect cables and devices for each session because pets roaming in home make leaving devices connected unsafe) should begin setup at least 30 minutes before baton down, at least for the first three rehearsals they join.
You don't want the audio for a session that attempted to continue a minute longer than scheduled to be abruptly cut off.
Otherwise, use the Copy button to copy the VDO.Ninja link to the clipboard for later transfer to a device powerful enough to run VDO.Ninja.
FarPlay session currently running, go to the "Tools" section and click the "Video" button.
button lets you select the local camera you use to transmit outbound video.
button switches to the next style for how individual site video panels are arranged on screen.
button places local video in a small picture-in-picture inset in the corner of the video so that more of the screen can be used for remote video.
button enlarges and crops video feeds to eliminate screen space wasted on the black background.
button opens the text chat window.
FarPlay Video - FarPlay window, click the "Options" menu, and choose "Video Preferences".
FarPlay Video - FarPlay window.
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Even if the billing for your Jamulus server rental is not directly affected whether you leave the server running, it is courteous to shut the Jamulus server down as soon as it is no longer in use. Keeping the server running consumes cloud computing resources.
. Select Shut down Soundjack.
FarPlay application window.
on the dock. Choose Quit.
FMB Pro
, check that 48-V PHANTOM POWER is OFF.