Test and Measurement
Day Sequerra Ships M2A-FM Modulation Monitor
The M2A-FM is based on the M2 HD Radio monitor and shares many of its features.
True RTA Releases Software Update
The .1 release is a free upgrade for all users of True RTA Version 3.
Rohde & Schwarz Offers AM/FM/HD Radio Signal Generators
Several units are now available to test analog or digital AM and FM signals.
NTI Extends Minirator MR-Pro Capability
Beginning in fall 2008, new deliveries of MR-PRO will include extended mass storage RAM capacity of 512MB, allowing storage of 16 times more test signals.
DK-Technologies Releases New 5.1 Audio Meter Software
The new software includes a new Starfish display that allows users to see what they are hearing when they are listening in surround sound.
Day Sequerra M2.2R
Day Sequerra has updated its M2.0 HD modulation monitor, adding some nice and very useful features. I first reviewed the original M2.0 in Radio magazine in May 2006, and the new M2.2R model is an attractive piece of test equipment that will likely go in your facility where it can be seen by you and others.
Digital Audio
With analog, engineers know how to measure levels, frequency response and distortion to gauge the audio performance. Unfortunately, digital audio changes all this.
Whirlwind AES Qbox
When a station changes to AES3 or S/PDIF digital audio, the availability of easy-to-use, rugged and portable test equipment declines greatly.
Audemat-Aztec Goldeneagle FM/HD
With HD Radio, stations at minimum need to monitor the main channel audio. But there's also multicasting, PAD and funny initials like DAAI and QI that tell volumes about the signal. The big question is how to acquire all of that data.
Sign Off
The computer hard drive is 50 years old this month. Take a look at the IBM RAMAC, which held 5MB of data and was the size of a refrigerator.
