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Meeting Report: June 2022 – DaS AuReality demonstration

On Monday 20th June the AES Melbourne Section finally returned to our old meeting haunt of the SAE Institute lecture theatre, where we welcomed Vastigo’s Joe Hayes to demonstrate his DaS (Diffusion at Source) AuReality loudspeakers.

In October last year, Joe introduced us to his concept of the DaS loudspeaker algorithm which provides a listening experience unshackled from the room’s acoustics and free of sweet-spot limitations. A full report on that presentation can be found at https://www.aesmelbourne.org.au/mtg-rpt-oct2021/

This time around, Joe gave us the opportunity to hear the results of his work.

Chair Graeme Huon welcomes Joe Hayes
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April 2022 Meeting Notice: Charlie Van Dongen – From loudspeakers to listeners – On-site Listening Session

We are finally meeting in person again!

The first in-person meeting of the AES Melbourne Section (in what seems like forever) will be held on
Monday 11th April 2022 at 7:30pm.

*Note – there will be NO live online element to this meeting.

Charlie Van Dongen, of Involve Audio will host us at his Mentone (Vic) manufacturing facility, revisiting his earlier presentation with a practical demonstration of:

From loudspeakers to listeners

the complete surround sound chain 
Part 2 – Listening

In the earlier session in February 2021 Charlie Van Dongen of Involve Audio, based in Melbourne, Australia described this end-to-end sound reproduction chain extending from the latest generation of loudspeaker transducers through amplifiers and render electronics that have been developed based on just how humans perceive sound.

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February 2022 Meeting Notice: Merlijn Van Veen – AES75 – AES standard for loudspeaker measurement

The next online meeting of the AES Melbourne Section will be on Monday 14th February 2022 at 7:30pm AEDT (UTC+11).

Merlijn Van Veen, Chair of the AES Standards Task Group SC-04-03-A and Senior Technical Support & Education Specialist at Meyer Sound will present on the topic of:

AES75: AES standard for acoustics  
Measuring loudspeaker maximum linear sound levels using noise

Merlijn will briefly explore the background and impetus for this project. The AES Standards procedure will be explained and demonstrated, including challenges faced by the SC-04-03-A Task Group and how the Group’s activities have inspired development within other standard bodies. The session will close with a description of the remaining development steps.

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Meeting Report: December 2021 – Loudspeaker Power Ratings – Michail Barabasz

On Monday December 13th the AES Melbourne Section mounted yet another Zoom online meeting.

Over thirty members and guests joined the meeting to hear Michail Barabasz of Lorantz Audio Services present on the topic of Loudspeaker Power Ratings

Title slide

After welcoming everyone, Section Chair Graeme Huon introduced Michail who started his presentation with a brief history of his career at Plessey Rola (pre-1975), including and his involvement with the 1977 Australian Standard for Sound System Equipment (AS1127, Part 5 – Loudspeakers), before establishing Lorantz Audio Services in 1976.

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