The sound level meter
Learn how to set the levels of your loudspeakers.
Tech Guides
The technology behind great sound and picture, explained clearly: formats, connections, amplification, acoustics and calibration.
Setting up a 6.1/7.1 multichannel system
This article shows you how to set up and prepare a 6.1 or 7.1-channel multichannel system, after first deciding whether it is…
Projector special. The 20 essential questions.
A new section that will each time be devoted entirely to one of those topics that raise doubts and questions.
Capacitors: Audio signals
Remember that a capacitor is a passive electronic component that stores electric charge and presents infinite resistance to…
Capacitors: Power supply
What is a capacitor? Combinations and types.
Power supplies
All components need electricity to work: the quality of their power supply can be decisive.
Display calibration. Part V.
In this issue we reach the final chapter of this series of articles on calibration, in which we will deal with color adjustment…
Digital-to-Analog Converter (DAC)
Since this issue features a Lab review of a DAC, we are going to explain to our readers what a converter of this kind is and how…
Toroidal transformers
Components: a new section in CEC, designed to explain in greater depth and detail how the systems that make up our equipment work.
SOUND WAVES. In every direction.
We have often talked about sound waves, but we have rarely looked in depth at what they really are, how they behave and the…
Sound projectors and soundbars
Lately, we have seen a large number of sound projectors and soundbars on the market. Users try to adapt their systems to the home…
TREATING A LISTENING ROOM
When we make a major investment in a high-end system, we think about the loudspeakers, the electronics or the cabling. But there…
Interlacing and deinterlacing
We often deal with video interlacing and deinterlacing, whether on the display, the source or the receiver. Handling and using…
CLASS D AMPLIFICATION. New horizons.
Some technologies find wider application as time goes by. Originally, Class D amplification was not widely used in high-end…
Digital video compression
Who doesn't remember those first videos of such poor quality that we used to receive by e-mail? Or the ones on YouTube or…
Cleaning and maintenance
There are aspects of our system that we give very little weight to, and the passing of time shows that they were more important…
OLED, The television of the future
The growing number of manufacturers developing displays based on OLED technologies shows us that this will be the trend in the…
The new digital sound. What we are going to hear.
Since so much has already been said about the new digital formats, we are going to take things one step further as far as the…
SUBWOOFERS. The perfect placement.
The subwoofer has become the sword of Damocles of every good multichannel system. Placed correctly, it can complete the audio…
Television and ecology
In this article we review the main initiatives for making our display environmentally friendly without sacrificing an iota of…