HEAD acoustics Introduces Silent Motorized Rotation of Artificial Heads

HEAD acoustics created the first virtually silent platform for the natural rotation of artificial heads, enabling all types of measurements under natural behavior conditions, critical for many applications including systems with head-tracking. move°S is an optional, software-controlled upgrade for all HEAD measurement systems HMS II.x and Head Shoulder Units (HSU) III from the 2021 generation onwards.

In this article, George Ntanavaras explains how to build a turntable speed measurement device using a microprocessor-controlled device that measures the speed of a turntable's platter. The project uses an Arduino board and the Arduino software IDE, and a micro sensor manufactured by Omron to sense the platter rotation. This article was originally published in audioXpress, June 2018.

In this article, Joel Hatch explains how to build a variable frequency synchronous motor controller to control turntable speed. Now that turntables are back in force, this excellent project not only allows some knowledge about a vital part of the motor's rotational speed adjustment, but it also dives into one of the most crucial aspects of a record player for anyone interested in a little DIY or restoration projects. This article was originally published in audioXpress, December 2010.

HEAD acoustics launched the HRT I (HEAD acoustics Remote-operated Turntable), a high-precision turntable allowing users to perform automated, orientation-dependent acoustic measurements. The rotation unit of the turntable offers a 360-degree rotation range, which can be approached in 0.1-degree steps, allowing manual or automated measurements.