Entries by Zarina

New Speaker Testing Brochure

A new 4 page brochure outlines Listen’s capabilities in loudspeaker and  microspeaker testing. SoundCheck offers simple, fast and accurate testing of any loudspeaker – no matter what the form  factor, functionality, connector or additional features. It measures a full range of driver parameters via traditional analog or digital, wireless/Bluetooth, Toslink, HDMI or USB connections, as […]

Hardware Setup

This series of 4 short training videos guides the new user through the steps needed to set up SoundCheck and Listen hardware in 4 simple steps. Part 1 – Listen Hardware Part 2 – 3rd Party Hardware Part 3 – Hardware Calibration Part 4 – External Hardware

In-Vehicle Audio System Distortion Audibility versus Level and Its Impact on Perceived Sound Quality

As in-vehicle audio system output level increases, so too does audio distortion. At what level is distortion audible and how is sound quality perceived as level increases? Binaural recordings of musical excerpts played through the in-vehicle audio system at various volume levels were made in the driver’s position. These were adjusted to equal loudness and […]

New Automotive Audio Testing Brochure

A new 4 page brochure outlines Listen’s capabilities in automotive audio testing. SoundCheck offers simple, fast and accurate testing of vehicle audio quality, from individual speaker components to complete in-vehicle infotainment and telematics systems. With interfaces to connect via Bluetooth, Lightning, USB and with individual MEMs devices, as well as analog connections, SoundCheck can handle […]

Open Loop Microphone Testing – Updated

This sequence demonstrates the two most common microphone measurements, frequency response and sensitivity, on a microphone embedded in a recording device. Typically when measuring a microphone the response of the device can be captured simultaneously with the stimulus. However, with devices such as voice recorders and wireless telephones forming a closed loop can be cumbersome […]

SoundCheck 15 Discounted Upgrade Pricing

For a limited time we are offering deep discounts on a system upgrade/support contract package to enable you to get up to date with the latest version of SoundCheck. The upgrade offer is a simple flat rate: $3,950 for owners of SoundCheck 9 or 10, $3,250 for owners of version 11, $2,500 for owners of […]

Comparison of Wired and Wireless (Bluetooth) Speaker Response

This test sequence performs frequency response and distortion measurements of a Bluetooth speaker using both a wireless Bluetooth and wired stimuli, and compares the results. This sequence is configured for use with a Portland Tool & Die BTC-4148 or BQC-4148 Bluetooth interface. Initially, the sequence prompts the operator to turn on the Bluetooth device under […]

Listen Awarded Patent for SC Amp Amplifier

Listen’s revolutionary audio test amplifier, SC Amp, has been awarded US Patent # 9,386,387. This patent covers Listen’s unique high accuracy single channel impedance measurement method, which used a unique feedback circuit to offer dual channel accuracy using just a single channel. This enables full electrical and audio tests to be carried out simultaneously and […]