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Core Sound TetraMic News
TetraMic News

(Last updated 11/14/2019)

November 14, 2019: Facebook Reality Labs released two photos of their 6-degrees-of-freedom research dome. It is instrumented with 420 Core Sound TetraMics.

Each TetraMic first-order ambisonic microphone is individually calibrated for the highest precision sound source location cues.

OctoMics offer even higher precision location cues!

(Photos taken from: https://tech.fb.com/codec-avatars-facebook-reality-labs/)

June 20, 2019: All new TetraMics come with the VVEncode plugin from VVAudio.

May 5, 2019: We've reduced the price of the TetraMic PPAc Package to $950! A TetraMic without the PPAc system is $750.

January 9, 2019: Today, David McGriffy announced the release of "VVMic for TetraMic" v3.5.1. It corrects the encoding to ambiX format.

We recommend that all TetraMic owners upgrade to this new version.

Click here to download it.

September 29, 2017: Zoom released the new v4.0 firmware for their F8 recorder today. It features support for first-order ambisonic microphones, including TetraMic.

We recommend using the F8's "Ambisonics A" mode. That mode configures the F8 to record TetraMic's four A-format tracks, while also allowing you to monitor in real-time via speakers or headphones.

By recording in A-format you'll retain the ability to apply your TetraMic's unique calibration files. Those files make your TetraMic into one of the world's finest ambisonic microphones. But even monitoring without the calibration files, TetraMic is pretty fine.

At first listen, the Zoom monitoring function decode seems to be XY using two virtual cardioid microphones. We haven't measured the patterns yet, so we can't tell you what angle they selected between the virtual microphones.

June 12, 2017: We recently heard from the noted sound designer/supervising sound editor Paula Fairfield. She told us that she used TetraMic widely for the 2016 Robert De Niro film "Hands of Stone".

May 15, 2017: TetraMic was used as part of Marshall Day Acoustic's IRIS measurement system to test and commission the Jiangsu Grand Theatre in Nanjing China.

April 25, 2017: TetraMic was used by JJ Wiesler (Pollen Music Group) on Google's Oscar-nominated short animation "Pearl". It was used to record singer Kelley Stoltz performing "No Wrong Way Home" from the viewer's perspective in the passenger seat of a car. It was also used to capture IRs.

You can watch and listen to "Pearl" on YouTube: https://www.youtube.com/watch?v=WqCH4DNQBUA.

February 5, 2017: We've further improved TetraMic's industry-best calibration procedure, making location cues even more accurate and reliable. No other first-order ambisonic microphone even comes close.

January 3, 2017: VVTetraVST v1.8 for Mac and Windows is now available for download from the VVAudio web site: vvaudio.com/downloads

November 11, 2016: Bosse Sandholm did a few live recordings comparing his TetraMic to a soon-to-be-relased ambisonic microphone from a major manufacturer. The results confirmed the reason why we calibrate each and every TetraMic individually: much better location cues and much more natural sound quality.

You can download the files here. Decode them into Blumlein for stereo playback, or into surround, and you can confirm what we're saying for yourself.

September 1, 2015: Station Film used TetraMic to record the audio for their 360VR dark comedy short "Red Velvet". You can see TetraMic at the lower right corner at 0:11 and later at 1:14 in "Station Film: Red Velvet (Behind The Scenes)".

July 10, 2015: Jaunt's virtual reality camera uses Core Sound's TetraMic as its audio sensor. It was used to record Sir Paul McCartney's concert. Watch it using Google's Cardboard viewer. (TetraMic is wearing its furry/foam windscreen.)

June 24, 2015: Since we introduced it a few months ago, the PPAc has been an overwhelming success. It's the best way to power TetraMic. It's compact, reliable, allows for powering via 48V phantom power or an external 9 Volt battery pack, and allows separations between TetraMic and the recorder/pre-amp of 850 feet or more. It's also less expensive than the previous PPA2 and PPA3 packages.

As a result we've discontinued the PPA2 and PPA3 options.

February 12, 2015: Marshall Day Acoustics' IRIS system was used in the acoustic design of the new Philharmonie de Paris concert hall. IRIS uses TetraMic as its sensor.

You can see Simon Rattle's glowing review of the hall's acoustics here:


November 2014: Jaunt's virtual reality camera is using TetraMic as its audio sensor. It's being used in the field to record virtual reality cinema. In this photo TetraMic is wearing its furry/foam windscreen.

September 23, 2014: Based on TetraMic user feedback we can we can highly recommend the Tascam HS-P82 multi-channel digital audio recorder for use with TetraMic.

April 3, 2014: Jaunt VR's virtual reality camera prototype uses TetraMic as its audio sensor.

March 21, 2014: We're pleased to announce two new phantom power adapters - in addition to PPA2 - for use with TetraMic. PPA3 is a short cable that plugs directly into a recorder or mixer - no extra XLR cables are necessary. PPAc is a small transmitter/receiver pair, provides power for all four channels and sends TetraMic's audio over a CAT5/CAT6 cable up to 850 feet long.

June 10, 2013: We're pleased to announce that in addition to offering a precision calibration service for SoundField Ltd's SPS200, we are now also offering calibration for their Mk IV too. The results of our calibration far exceed what those two microphones come with from the factory. Please contact us for details.

July 28, 2012: Now you can use an iPad to record with TetraMic. The folks at n-Track have announced that their Studio 7 application can record on the iPad using Class Compliant USB audio interfaces.

December 21, 2011: The MOTU 4Pre is a new digitally controlled mic pre-amp that works well with TetraMic and is easily powered by a battery for mobile use.

July 14, 2011: The RME Fireface UFX is another digitally controlled mic pre-amp that works well with TetraMic.

November 17, 2009:We've replaced the Phantom Power Adapter (PPA) with a new model that maintains phase, instead of inverting it as the older model did. The new PPA2 will ship with all orders placed after December 1, 2009.

May 13, 2008: We have reports that Prism Sound's Orpheus and Apogee's Ensemble microphone pre-amplifier/A-to-D converters may work well with TetraMic.

February 14, 2008: TetraMic seems to work fine with RED's digital cinema camera! For the first time, cinema cameras are now able to record surround sound in-camera, and also track individual sound sources during post-production!



For pre-sales consulting or to place an order, call Core Sound at 1.888.538.6744 or 1.201.801.0812.

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"Core Sound" is a trademark of Core Sound, LLC
"OctoMic", "TetraMic", "HeadLine" and "2Phant" are trademarks of Core Sound, LLC
Thanks to HK Audio for use of their open-air concert photo. Mossman photo ©2004 OceanBridge Communcations.
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