Ed Treese shares some notes on his favorite piece of analog test equipment: a pair of headphones.
Network management software
Terminating power sensors
Stereo loudness monitor
RF power sensor
Version 1.12 adds WAV-file logging, voice note recording, a scope function, automated user calibration and other features.
The latest audio analyzer software update adds support for customized report layouts in MS Word, analysis of WAV audio files and Dolby True HD decoders with several new measurements and UI improvements.
he new APx audio analyzer option delivers 24-bit resolution when measuring out-of-band noise in Class-D amps.
The upgrade adds new functions such as channel identification in 5.1 surround signals, and implementation of current ITU loudness-measuring specifications for single and summed signals.
The new option offers DIM test signals without phase shifts and noise issues associated with digital test tones passing through an ADC.
Tim Diehl gives the Microgen TS9080 100 percent thumbs up. It is an outstanding test tool and a must for serious engineers.
Anritsu has self-certified nine spectrum analyzer models for compliance with NRSC recommendations for measurement of HD Radio emissions.
The company offers monthly payments instead of a single capital purchase expense.
In this review, Doug Irwin rates the DM500 as very useful around the radio station facility.
The handheld tester adds a function to solve a common mic cable problem.
The M2A-FM is based on the M2 HD Radio monitor and shares many of its features.
The .1 release is a free upgrade for all users of True RTA Version 3.
Several units are now available to test analog or digital AM and FM signals.
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.
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 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.
With analog, engineers know how to measure levels, frequency response and distortion to gauge the audio performance. Unfortunately, digital audio changes all this.
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 has released software version 1.4 for its Goldeneagle HD monitor. The new release is based partly on input from customers to improve the unit and is available free of charge.
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.