Transparent Ionic Conduction Speaker

What is a Transparent Ionic Conduction Speaker?   A transparent ionic conduction speaker is a relatively new form of technology. In 2013, a research team from Harvard University introduced transparent ionic conduction speakers to the public. Jeong-Yun Sun and...

Brass Instruments

What is a Brass Instrument?   A brass instrument produces sound by sympathetic vibration of air in a tubular resonator in sympathy with the vibration of the player’s lips. Brass instruments are also called labrosones, which means “lip-vibrated...

Heil Air-Motion Speakers

What are Heil Air-Motion Speakers?   People often confuse Air-Motion Speakers’with ribbon loudspeakers when they see the folded diaphragms set in the shorthorn. But they are quite different. A ribbon radiates the sound by the whole diaphragm moving backward...

Woodwind Instruments

Woodwind instruments and their history   Woodwind instruments are wind instruments, and they are made of wood or metal. They include the flute, oboe, clarinet, bassoon, saxophone, bagpipe, and their family members. The orchestral and band instruments were developed in...

Flat Panel Loudspeakers

Flat panel speakers 101   Engineers investigated flat panel speakers in terms of structural vibration and acoustic radiation. A panel speaker primarily consists of a panel and an inertia exciter. Contrary to conventional speakers, they have flexural resonance and...