AES Standards News Blog

New project AES-X223, Loudspeaker driver comparison chambers, has been initiated and assigned to working group SC-04-03.

This new project will consider factors affecting the interchangeability of measurement data from simple loudspeaker comparison chambers.

In the manufacture of loudspeaker drivers, a frequent final test places each driver into a relatively-compact test chamber, measures its acoustic response to a set of test signals, and compares them with stored values derived from a reference sample. This does not provide the full performance measurements that would require a full-sized anechoic chamber, however it can identify deviations from the expected performance set by the reference.

Such test chambers are typically built only to meet local needs. As a result, the figures derived from one cannot be compared with figures derived from another.

This report will set out some relevant issues and suggest designs and construction methods to achieve measurement figures that will be comparable between different testing sites.

Here is a list of newly-created projects: