Much better than Quicktime (delay) or any other trick I tried. The sound is perfectly synched to the TV (no delay) and to avoid any irritating white noise in the background we simply unplug the computer’s power cord and run it on battery mode. Now when I travel and my wife or I want to watch Hotel TV while the other doesn’t, to use headphones (you'll need to bring along a fairly long mini plug cable) she or I can just plug my laptop into the TV’s “speaker out” port via the computer’s line in mini plug port (my laptop has two mini ports, unlike the newer models) and the headphones into the computer’s audio out port. Once opened up, just click on "Play Through". When satisfied with the EQ settings, hit Command+S to save the EQ settings file and put it somewhere easy to find like the Documents folder Now open AU Lab preferences from the AU Lab menu, click on the Document tab and click the radiobox next to Open a specific document. ) It works perfectly on my Powerbook (OS El Capitan). Changes here will impact all audio output on the Mac. (You can download MTCoreAudio for Mac for free at. I tried several things and was getting pretty frustrated until I discovered an old 2010 article by Adam Dachis about using AudioMonitor, part of MTCoreAudio’s developer package for Apple products. If necessary, adjust the system's overall input and output volume settings in System Preferences → Sound → Input. In the new "Untitled" window that opens, ensure the icon at the bottom says " Audio Engine Running" (or click to toggle if it says "Audio Engine Stopped"). (If the Document Configuration window is not already open, click File → New to open it.) Then click the Create Document button in the bottom right corner. In the Document Configuration window, select the existing " Stereo In/Stereo Out" configuration. Download from here: > search for "AU Lab".(If those links die, it can also be downloaded from Apple Developer Tools, which may require an Apple Developer account.) (Well, nearly in real-time for me there is a slight delay from input to output.) Test your setup by joining the meeting with another computer.As originally suggested by qu1j0t3, Apple's "AU Lab" provides the ability to listen to the audio input in real-time.If they aren't, try unplugging the speakers and then plugging them in again. Click USB in the Hardware section of the sidebar, then make sure your speakers are listed. Press and hold Option, then choose Apple menu > System Information. In Meeting, click "Enable Original Sound" to optimize the audio from the microphone capture Click Output on the right, then make sure the external USB speakers are selected.As this is a one-way broadcast, we will not need to transmit any audio processing such a acoustic echo cancellation, noise reduction or auto gain control.Go to Settings>Audio>Advanced> Click "Show in-meeting option to "Enable Original Sound" from microphone.See the Preserve Original Sound Article.This must be enabled at the account, group or user level.For more information, see Testing Computer of Device Audio.Select the Alesis Multimix 4 USB as your USB Microphone Input.For more information, see How Do I Test My Video?.Select the desired Capture Device as your Camera input:.Stream to a custom service (meeting or webinar).Stream to Facebook Workplace ( meeting or webinar).Stream to Facebook Live (meeting or webinar). Stream to YouTube Live (meeting or webinar).See design guides for preferred Zoom Rooms hardware designs 2-way communication is NOT possible with these settings, and would require display(s), microphones and speakers with appropriate audio processing. Note: These configurations are for BROADCAST and STREAMING only. How to configure a Zoom meeting broadcast HDMI Capture: Magewell USB Capture HDMI Plus.Monitoring computer with headphones for stream validation.Adequate i/o - Anker USB-C Hub for Mac users.Quad Core Intel i5 2.3Ghz or higher processor.Streaming computer that meets the minimum specifications.Zoom desktop client for Windows or macOS: version 3.0 or higher.We will walk through the optimal capture devices used for a simple setup Prerequisites for broadcasting a Zoom meeting This setup assumes existing camera or camera switching device output via SDI or HDMI, primary content or content switching via HDMI, and professional program audio output. In this article, we will discuss the hardware needed to stream an existing production setup.
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