AES Store

Journal Forum

Perceptual Effects of Dynamic Range Compression in Popular Music Recordings - January 2014
4 comments

Accurate Calculation of Radiation and Diffraction from Loudspeaker Enclosures at Low Frequency - June 2013
9 comments

New Measurement Techniques for Portable Listening Devices: Technical Report - October 2013
1 comment

Access Journal Forum

AES E-Library

Acoustical Characteristics of a Sound Screen for HDTV

The HDTV Multichannel Sound Study Group, under the sponsorship of the Hoso Bunka Foundation, has organized approximately 30 members since 1991. To obtain a practical guideline at the multichannel sound production stage is the group's final goal. This paper describes current activity in this regard. The group has developed an acoustically transparent screen (pantent pending) which is useful for HDTV surround sound studios, cinemas, etc. Perforated screens have been used in cinemas, but their transmission coefficients are insufficient for high-fidelity sound reproduction. Studies of the relationships between the holes and transmission characteristics confirm that transmission losses at high frequencies are lower when the holes are smaller and closer together. The transmisThe HDTV Multichannel Sound Study Group, under the sponsorship of the Hoso Bunka Foundation, has organized approximately 30 members since 1991. To obtain a practical guideline at the multichannel sound production stage is the group's final goal. This paper describes current activity in this regard. The group has developed an acoustically transparent screen (pantent pending) which is useful for HDTV surround sound studios, cinemas, etc. Perforated screens have been used in cinemas, but their transmission coefficients are insufficient for high-fidelity sound reproduction. Studies of the relationships between the holes and transmission characteristics confirm that transmission losses at high frequencies are lower when the holes are smaller and closer together. The transmission coefficient is about the same as jersey cloth or Saran nets used in front of loudspeakers. The sound can be monitored in exactly the same direction as the video image with the installation of front loudspeakers positioned at the same height behind the screen.

Authors:
Affiliation:
AES Convention: Paper Number:
Publication Date:
Subject:

Click to purchase paper or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!

This paper costs $20 for non-members, $5 for AES members and is free for E-Library subscribers.

Learn more about the AES E-Library

E-Library Location:

Start a discussion about this paper!


 
Facebook   Twitter   LinkedIn   Google+   YouTube   RSS News Feeds  
AES - Audio Engineering Society