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Field Report: Intrinsic Net Studio Hawk
More often than we would like, our radio stations are being left unattended for longer periods of time. The recent global economic downturn can only make this situation worse. It is important to have a device that can monitor each of your radio stations and alert key personnel whenever silence is detected. Often these silence sensors take the form of an appliance that will make a call to a predetermined phone number when a set of contacts closes on a separate audio relay. This report highlights a full-featured silence sensor capable of alerting a list of key personnel by e-mail and text messaging to cell phones.
The Studio Hawk is a mission-defined version of the Plus Sine transmitter remote control from Intrinsic Net. It includes a self-installing program CD, a security dongle and a small USB-connected analog to digital converter box. You supply a computer with Windows XP Operating system and a UPS to keep the system running through power failures. Installation of the Studio Hawk program on a computer was straight forward using the simple instruction guide that comes in the box. Use a computer dedicated to this task to ensure consistent and reliable alerting. The Studio Hawk does not require a separate audio relay device to act as a trigger. Instead the audio is fed directly into the supplied A/D convertor. The A/D is a small box attached to the computer via USB 2.0. The computer will need to have access to the Internet and a mail relay server. The mail relay server is usually maintained by your Internet Service Provider and is almost always free for your use.
The Studio Hawk can be configured to monitor the audio from up to eight different audio sources by using the unbalanced inputs of the supplied analog-to-digital converter. If you prefer using balanced inputs you can configure the Studio Hawk to monitor four audio sources. In my use, four radio stations was a perfect fit. I bridged the audio coming from the air monitor distribution amplifier going to my air monitor archive recorder. The high impedance of the Studio Hawk's A/D convertor assures it will not load the audio being sampled.
The main screen of the Studio Hawk shows a representation of an analog VU meter for each station monitored. A right double mouse click on any VU meter brings up the setup screen for that channel. This is where you can grab a large slider fader for precise audio level adjustment. Each channel can be independently set for the threshold where the level is considered silent, the amount of time in seconds before a silence is logged, and the amount of time in seconds before an alarm is sent. The report capability of this software is worth the price alone. The software keeps a database of all silence incidents even if they are below the amount of time you set for immediate notification. The Studio Hawk can be set up to e-mail this report on a daily or weekly basis to as many employees as you like. Custom reports can be made for a particular radio station. Any report can be e-mailed as often as you like to any number of recipients. Now you have a record of even the short silences that need to be investigated later but not long enough to bother waking people up in the middle of the night.
|Performance at a glance|
Monitors EAS receivers
Detects up to eight audio sources
Alerts via text messages or e-mail
Generates e-mailed reports
Runs on Windows
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