Audio Notes
Audio for Television: The Big Picture
Linear Acoustic President and Founder Tim Carroll gives a brief history of television audio in the first of a series of articles in TVTechnology.
A Closer Look at Audio Metadata
An explanation of audio metadata, including a look at Dialogue Level (dialnorm), Dynamic Range Control (DRC), and Downmixing.
Audio Metadata: You Can Get There from Here
A more in-depth look at how audio metadata is created and distributed.
DTV and the Annoyingly Loud Commercial Problem
A look at the causes of loudness problems and how to fix them.
A/V Sync: No Simple Solutions
The complexities of syncronizing audio and video.
Audio for DTV: The Beginning of a Journey
How audio is monitored in post-production
Keeping Multichannel Audio Under Control
Methods of managing and distributing multi-channel television audio.
What Is Dolby E?
An in-depth explanation of Dolby E.
Alternatives to Dolby E
Looking at other methods of moving multi-channel audio around the plant.
Audio Advances Rapidly Since 1983
A historical look back at television audio.
Preparing Audio for Distribution
Getting audio into the plant, moving it around, and encoding it in preparation for distribution.
Following Digital Audio to the Home
What happens to the audio as it leaves the plant and gets to the viewer.
The Skinny on Audio Coding
An detailed explanation of how audio coding works, both technically, and in relation to human hearing.
Dolby, The Chipmunks, and NAB 2004
Understanding the relationship between pitch and time in coded multi-channel audio.
Digital Audio: Getting from Here to There
How the major terrestrial networks distribute multi-channel audio to their affiliate stations.
Transport Stream Distribution Models
A closer look at how different networks have chosen to get their audio to the affiliates.
Progress on Loudness and Sync Issues
An update on measuring loudness and dealing with sync issues.
Learning About 5.1 From Grade 9
A high-level look at the status of multi-channel audio at the major networks.
Of Dolby, DVR's, and Distant Signals
Encoding audio for digital storage and video on demand.
A Look at AC-3 Enhancements
Enhanced AC-3 audio as it applies to downloadable music as well as digital television.
