Music to My Ears

Wednesday evening, Ragazzi’s Concert Group and Young Men’s Ensemble both had very successful rehearsals with about 50 boys each, using JackTrip Virtual Studio. This was the first time many of these boys have been able to sing together in several […]

Introducing JackTrip Foundation

I’m pleased to announce the launch of the JackTrip Foundation, a newly formed non-profit organization dedicated to advancing technologies to enable music collaboration over the Internet, and to facilitate the creation of music that transcends distance constraints. I’m rolling the […]

Scaling to 500 with JackTrip

As our choral practice groups have been growing in size, I’ve been keeping a closer eye on scalability. Today, I was able to complete a (synthetic) test that simulated a performance involving 254 500 live participants, all connected via a […]

Open Back Headphones

One of the challenges our Ragazzi YME boys have faced with our weekly online rehearsals was adjusting to how they heard their own voice. There seems to be disagreement over the value of hearing your own sound echoed back in […]

First Singing Test – June 24th

Since my last post, I’ve been busy preparing for our live singing test with volunteers from Ragazzi’s YME Chorus. We distributed 7 test kits consisting of Raspberry Pi 4B’s with HifiBerry DAC+ ADC, a microphone, all necessary cables, etc. The […]

Testing Jamulus Latency on Raspberry Pi

Similar to JackTrip, Jamulus is an open source project that uses the Jack Audio Connection Kit. Clients stream their audio to a server, and the server mixes all the audio together and streams the result back to each of the […]

Testing HiFiBerry DAC+ ADC

In my previous post, I tested the latency of the HiFiBerry DAC+ ADC Pro with great results. Today, I tested their less expensive model ($50 versus $65): the HiFiBerry DAC+ ADC. I used jack_delay as described in this post with […]

Building JackTrip for Elk Audio OS

I believe there are many attractive things about Elk Audio OS. It is optimized for audio applications by experts, runs a customized 64-bit kernel on Raspberry Pi, has a great toolchain for customization, and has a slick update mechanism that […]


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