Audio Test from the
R&D Lab to the
Production Line








Loudspeakers & Microspeakers

Smart Speakers

Headphones & Headsets

Smartphones & Tablets

Automotive Audio


Wireless Devices


Hearing Aids

Audio Electronics


Ready-Made Sequences to
Accelerate Test Development


Check out SoundCheck tips, tricks
and ‘how to’ guides in our knowledgebase


Feature demos, training,quick tips
and more on our Youtube Channel


News & Events

Latest News

  • Up to 50% offDecember 4, 2022 - 8:12 pm

    Level up to the latest version of SoundCheck with up to 50% off list price. Until the end of 2022, we’re discounting upgrades to the latest SoundCheck version by up to 50%  when you also purchase a support contract. We’re recently introduced many new features including enhanced perceptual distortion, a fully-featured multichannel RTA, upgraded signal […]

  • Free Polar Plot Module and Sequence with Turntable PurchaseNovember 27, 2022 - 8:11 pm

    We’re excited to launch the new MDT-4000 turntable from Portland Tool and Die. This new turntable, specifically designed for the needs of the audio test industry, delivers accuracy, flexibility, portability and more at a very competitive price. To celebrate this product launch, we’re giving away our Polar Plot module ( $500 value) for free with […]

Upcoming Events

  • SoundCheck Basic & Advanced Training, Feb/Mar 2023 – DenmarkFebruary 1, 2023 - 5:19 pm

    We’re excited to be back training in-person later this month in Copenhagen – a great location easily accessible from much of Europe. We’re offering both our 2 day basic training and our 1 day advanced training consecutively. Attend either, or if you want to seriously power up your SoundCheck knowledge, come to both for 3 […]

  • Communications Testing SeminarNovember 18, 2022 - 2:42 pm

    Dec 14th, 9am & 2pm Eastern time; Dec 15th, 10am China time Communications tests are not just for telephones! Join us for a demo-packed seminar with communications industry expert, John Bareham as we show how to evaluate devices such as smart speakers, headphones and wearables as well as all types of phones using industry standard […]


  • SoundCheck Online Basic Training, October 2022August 16, 2022 - 2:29 pm

    Registration is now open for our Online SoundCheck Basic Training class from October 4th-13th. The course will again consist of 6 x 2-hour sessions over a 2 week time period, and will cover all the same content as our standard in-person basic training course. Each session is led by a live trainer and will include […]

  • SoundCheck Online Advanced Training, November 2022August 16, 2022 - 1:07 pm

    Registration is now open for our Online SoundCheck Advanced Training class from November 15th-17th. Advanced training is designed for users familiar with the content of the basic class who need to make more complex measurements and want to take their SoundCheck use to the next level. The course consists of 3 x 2-hour sessions (one […]

Technical Resources

  • Polar Plot (MDT-4000 Turntable) SequenceNovember 2, 2022 - 8:49 pm

    This sequence measures the polar response of a loudspeaker in both the vertical and horizontal dimensions. It is designed to work with the Portland Tool & Die MDT-4000 turntable, and has all the necessary commands to automatically rotate it via RS-232. The sequence uses a log sweep stimulus with the Time Selective Response algorithm so […]

  • Receive Loudness Rating with ITU Real Speech Test SequenceSeptember 12, 2022 - 8:32 pm

    The purpose of this sequence is to measure the Receive Loudness Rating (RLR) following the ITU-T P.79 standard using a Head and Torso Simulator (HATS). First, real speech from the ITU-T P.501 standard is sent to the Device Under Test (DUT) speaker by an electrical interface. The HATS right ear captures the DUT‟s speaker response. […]

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