Tag: high school

Audio Review: Technomad Schedulon

Solid scheduling-enabled audio player and recorder that fits the simplicity bill.

By John McJunkin

Technomad, manufacturer of military-oriented audio equipment (particularly PA systems) has introduced its Schedulon scheduling-enabled audio player/recorder. This device is nearly identical to Technomad’s SuperConductor, which is the purely military version of the device. As a manufacturer of military-grade technology, Technomad is known to make its products figuratively bulletproof, and the Schedulon was developed with this notion in mind. It records to and plays back from RAM, so there are no moving hard-disk parts to cause problems. It’s distinguished from similar computer-based solutions by the fact that it is a standalone device, immune to viruses or operating system crashes or hang-ups. I’ve always been a great believer in over-engineering, which helps avoid embarrassment and, more importantly, the potential loss of clients that can be caused by equipment failures. The Schedulon very much appeals to my sensibilities in this regard.

The military recognizes that much of its equipment is destined to be operated by 18-year-olds who have little experience with technology, so simplicity is the key word. The Schedulon’s 1RU front and rear panels very clearly fit that bill. There are just five features on the front panel: From left to right, there’s an LCD display, a data-input knob, a removable thumb-drive access panel, an RJ-45 Ethernet port, and a large bat-handle power switch. The LCD displays 32 characters on two lines, and it is very reminiscent of the old-school Yamaha processors and synthesizers. The data-entry knob is of the large variety colloquially described as “chicken-head”; it spins continuously for data input and can also be depressed as a pushbutton switch. It doesn’t get much simpler than a single knob and a basic LCD display for control and feedback.


The Technomad Schedulon automatic mp3 player and recorder, adapted from Technomad military technology
The Technomad Schedulon automatic mp3 player and recorder, adapted from Technomad military technology


The rear panel is also simple. From left to right, you’ll find a fuse holder, the unit’s integrated AC power cord, a Neutrik 1/4in. TRS output jack, a second RJ-45 Ethernet port, and two stereo RCA pairs representing audio in and rec in. Again, the Schedulon sports a very straightforward, no-nonsense design, which is right in line with the requirements you’d expect from the military.

The Schedulon is essentially designed to do one thing: automatically play audio at prescheduled times or immediately under human control if desired. There are obviously numerous applications for such a device. In an educational setting, specifically a school, the Schedulon can be used to play tones or recorded speech intended to alert students that class begins in 10 minutes, again 5 minutes later, and then a final alert 1 minute prior to the start of each class hour. The minimum time resolution of the scheduling is 1 minute, so countdowns that update every minute are possible. Additionally, emergency messages can be delivered, alerting students of a fire or other dangers. For numerous applications, the ability to play hourly chimes to indicate the time is nice, particularly since a specific number of chime strokes can be played or even a pleasant voice can announce that it’s 10 o’clock, for example. Up to 100 scheduled playback events can be programmed into the system. In military settings, the device can be used to play Reveille in the morning, Taps at dusk, and other military-oriented sounds. As a matter of fact, the device ships from Technomad with quite a number of military sounds, including alarm sirens and bugle calls. Among other applications, the Schedulon would also be useful in subways, airports, hospitals, or other public buildings, even to provide BGM. For that matter, this system would be useful for any application in which you would otherwise use a flash-drive-based recording/playback system.

In addition to scheduled automatic playback, immediate manual playback is easily accomplished by the Schedulon, which would be useful in the case of an emergency or other situation that necessitates immediate, spontaneous playback of certain messages or alerts. The unit allows a maximum of 99 slots for audio. The maximum length of the audio is determined by the size of the removable flash thumb drive. The unit ships from the factory with a 1GB drive, but larger drives can be installed. The unit compresses audio into .mp3 files, with resolution ranging from 32kbps to 320kbps. Audio is recorded by the unit at 192kbps, which is difficult to distinguish from CD quality by most listeners without the benefit of an A-B comparison. At the nominally standard rate of 128kbps, hundreds of songs could be stored on a system with a 1GB thumb drive. Technomad says that a future version of the system will support the recording and playback of uncompressed 16-bit/44.1kHz WAV audio. The unit’s thumb drive is upgraded very easily by removing the front access panel, pulling the original drive out, and replacing it with the new one. Also, all system parameters, scheduling, and audio are stored on the thumb drive, so it can be transferred into another Schedulon unit — in effect cloning the original.

In line with the military aversion to computer viruses, complete control of all system parameters can be accomplished from the front panel, but computer control via Ethernet is indeed an option; this is the only way that externally recorded .mp3 files can be introduced to the Schedulon. It’s possible that the system would be loaded with all desired audio files and then installed with the intention of only front-panel control. On the other hand, since the system can be controlled remotely via IP, it is beneficial to maintain a network connection — particularly if you’re practicing good network security. Password protection prevents a malicious user from making changes, both from the front panel and via the network. Another major benefit to maintaining a network connection to the unit is that it can connect to a time server, keeping its internal clock precisely correct at all times. On a related note, the Schedulon has an optional backup battery available, which is again in line with the military notion of ongoing technology performance regardless of external circumstances. I discovered this battery feature when I jokingly flipped on the power switch before the unit was plugged in. Imagine my surprise when it fired up.

Among other advantages over similar audio-streaming-over-IP solutions is a network interruption that will not halt playback of critical audio from the Schedulon, since all the audio is stored internally. Additionally, IP bandwidth is not expended by audio streaming. I was prepared to announce that my only criticism of the unit was the somewhat unorthodox 1/4in. TRS audio output. I would normally expect Euro-style or barrier strips or a stereo pair of 1/4in. TRS jacks. As it transpires, however, I was shipped a beta unit. The production version will actually have stereo RCA pairs for input and output, which is a little more orthodox.

In spite of these minor inconveniences, this unit is very solid and would be a great choice for any application in which good-quality scheduled audio playback is necessary. I’d recommend taking a look at it.

John McJunkin is the principal of Avalon Podcasting in Chandler, Ariz. He has consulted in the development of studios and installations, and he provides high-quality podcast-production services.

PRODUCT SUMMARY

  • Company: Technomad
    http://www.technomad.com
  • Product: Schedulon
  • Pros: Very tough and bulletproof.
  • Cons: Network implementation requires pretty solid IT skills.
  • Applications: Military, educational, and public-building scheduled announcements.
  • Price: $1,879

SPECIFICATIONS

  • Audio playback: MP3-format audio, 32kbps to 320kbps, stereo or mono, fixed or variable bit rate.
  • Audio recording: MP3-format audio, 192kbps, fixed bit rate, stereo.
  • Dimensions: 19″×1.75″×10″ (W×H×D)
  • Weight: 4lbs.
  • Data input: RJ-45 Ethernet jack
  • Audio input: 1×1/4in. TRS (stereo)
  • Audio output: 1×1/4in. TRS (stereo)

This review initially appeared in the December 2008 issue of Sound & Video Contractor.

CCS Presentation Systems Installs Technomad Turnkey PA Systems at High School Athletic Stadiums in Mid-Atlantic

BOSTON, June 18, 2008– Technomad Associates, LLC, today announced that CCS Presentation Systems, one of the world’s largest dealers of presentation technology equipment and services with locations throughout the U.S., has finalized three high school athletic installations featuring Technomad Turnkey PA Systems.

Technomad Noho C weatherproof loudspeakers deliver high-quality audio throughout the stadium, from home bleachers to concession stands in the furthest corner

Each Turnkey PA System features two Technomad Noho C weatherproof outdoor loudspeakers for high-quality audio coverage of football games and other athletic events; as well as a complete signal processing rack to produce audio in the press box, including a two-channel amplifier, six-channel mixer, cables, mounting brackets and a dynamic microphone with cable.

The schools include Tucker High School in Henrico County, Virginia, which upgraded to Technomad from antiquated horn systems with poor audio quality. Technomad loudspeakers were also specified for new athletic stadiums at King William High School in Aylett, Virginia; and Our Lady of Good Council High School in Olney, Maryland. The systems at all three schools offer clear voice reproduction and musical output that reaches every corner of each stadium.

According to Gene Wells, Project Manager for the two Virginia projects, he prefers to use Technomad for new athletic stadium projects due to their ability to deliver clear audio to everyone in the stadium. Wells also cites ease of use for athletic departments and weatherproof construction as crucial for high school stadium installations.

Every project is unique, from mounting the loudspeakers to the proper angling to ensure that everyone can clearly understand the audio, said Wells. I am consistently blown away by how two Noho loudspeakers cover an entire stadium. The athletic directors like the system not only because of the sound but also because the loudspeakers maintain a professional appearance on the press box, and the PA systems are easy to operate. As an installer the system is easy to set up and wire, and even in the most unusual installations we are able to position the loudspeakers so the audio reaches everyone. This is due to the very wide dispersion patterns of the Technomad design, which are unlike any other loudspeakers I have seen.

The two Virginia projects differed mainly due to the press box locations. While King William High School has the traditional press box location on the home side, the Tucker High School press box is located in the visitor stands. The challenge for Wells and his team was to ensure that fans in the home stands could hear the audio without overpowering the ears of visiting fans. Wells positioned the loudspeakers straight out angling them slightly to each side to achieve the appropriate balance. The two loudspeakers easily project to the home side, allowing everyone in the 2,800-person capacity venue to hear the live broadcast during games.

The sound quality is amazing, similar to a modern concert venue at maximum volume, said John Carroll, Director of Student Activities at Tucker High School, home of the John Randolph Tucker Tigers. We can easily hear the voice announcing the game clearly through the entire campus. It’s an unbelievable system, especially for a high school, and a million times better than the muffled audio coming out of our old horn system.

At Cavalier Stadium, home of the King William Cavaliers, Wells installed the Nohos on the two press box corners at the top to reach fans on each side. Wells mounted the Noho loudspeakers to fencing pipe atop the press box, using various fly points on the loudspeakers to ensure secure installation. The loudspeakers sit outside in the elements unprotected year round. The mid-Atlantic region regularly deals with a mix of sleet, ice and rain with occasional heavy snows in the winter, and intense heat and rain in the summer.

Cavalier Stadium, which also hosts soccer and track events, will open a concession stand in time for the Fall 2008 football season. The system has been tested to ensure that audio will reach those in line for refreshments, as well as those working inside the concession stand.

Kline Stadium at Our Lady of Good Council High School has a similar setup to Cavalier Stadium inside the stadium. The system, as designed by Lee Bellomy, Account Manager at CCS Presentation Systems in Maryland, distributes audio to two Technomad Noho loudspeakers inside the stadium, and also to a pair of small loudspeakers at the concession stand outside the stadium using a separate amplifier and a fiber connection.

The pattern coverage is fantastic inside the stadium, and what’s amazing is that as loud and clear as the audio is, it never bleeds into the bordering neighborhoods, said Ron Colbert, Technology Director for Our Lady of Good Council High School. I was initially surprised when CCS claimed that two Noho loudspeakers would cover the entire stadium, and CCS offered to remove the system if it didn’t live up to the claim. The Technomads do everything that was promised. The students love it all the varsity teams play here and use the system for warm-up music, and the marching band uses it for announcements during practices. Everything coming out of the system sounds great.

ABOUT CCS PRESENTATION SYSTEMS

Since 1991, CCS Presentation Systems has served customers in the corporate, government and educational sectors. CCS provides full service integration, installation and maintenance of audio and video equipment including interactive whiteboards, projectors, LCD & plasma displays, audio systems, document cameras and more. The company has expanded from a two-person operation to one of the largest A/V integrators in the U.S., with more than 300 employees, sales offices in 11 states and annual sales in excess of $100 million.

ABOUT TECHNOMAD

Technomad Associates, LLC, founded in 1995, designs and manufactures loudspeaker systems for the professional audio and security/military technology industries. The company invented the first reliable full-range weatherproof loudspeaker and now offers eight models ranging in power from the 60-watt Vernal 15 to the 1250-Watt OSLO subwoofer. In 2000, Technomad introduces its range of complete Turnkey PA systems that have turned previous complex integration jobs into simple, one-line orders. Please contact Technomad at 617-275-8898 for more information.

REFERENCE LINKS

Technomad – LOUD AND CLEAR

All weather Noho C loudspeakers from Technomad Associates LLC provide full audio coverage for outdoor fields, the company says. Two units were recently mounted on a pair of light poles directly behind the visitor’s bleachers of the Mount Si High School football field on Sinoqualmmie, Wash. A two- channel 550-watt amplifier powers the loudspeakers from the press box on the opposite side of the field and a line for a single microphone is run through protective cabling. Noho C loudspeakers are available separately or as part of a turnkey public-address system.

This article originally appeared in the January issue of Athletic Business.

Technomad Offers Outdoor Audio Tips for High Schools

The importance of quality audio at outdoor high school athletic fields is too often overlooked. Providing a sound system for a high school stadium comes with a long list of challenges, from weather to audio dispersion to the complaints of nearby residents, all of which are easier to address with proper planning.

Successful high school outdoor audio begins with good communication from the sound system provider to the Athletic Director. How the system is designed and installed will affect both the ease of use and the quality of the audio output. The sound system provider must thoroughly understand and be responsive to the needs of the school. The end users in high school venues are generally volunteers. Whether students, parents or faculty, it is likely that the end user will have limited audio experience. A responsible audio contractor will have this in mind and design and deliver an easy-to-use outdoor audio solution.

A variety of loudspeaker manufacturers offer weather-resistant products, but these enclosures can only withstand the elements for so long. A true weatherproof speaker will not keep the rain and snow from entering the loudspeaker; however, it will include provisions for managing moisture. This may include a higher-quality grill system or tiny exit holes for drainage. Neither the structural integrity of the outer shell nor the perceived audio should degrade over time from ordinary outdoor exposure.

The school’s budget will of course influence purchasing decisions, and the regional weather will dictate what kind of protection is needed to extend the life of the system. Paging horns are durable, and sound quality has improved over the years, but they are still primarily paging horns. Low-cost loudspeakers are yet another option, but their inability to withstand the elements will result in a very short life and create the need for regular replacement. Another way to extend the life of the loudspeakers is to remove them when not in use, although re-installation and repair to wiring and cabling become time consuming.

Location is key. While location brings loudspeaker placement to mind, the school’s geographical location is also important. The ability of the loudspeaker to withstand the elements, from the Arizona heat to the snow and wind in Upstate New York, must be considered. Location becomes a factor once again during installation. The typical high school outdoor audio system features several loudspeakers powered by a central PA rack. Where these systems are positioned in the stadium and how they are installed will be critical to the success of the installation.

The press box is by far the best initial choice for loudspeaker installation. The flat surface of the press box offers a smoother and more secure mounting surface than telephone or metallic light poles.

The main issue with loudspeaker installations on widely separated light poles is an echo that results from the near loudspeaker audio arriving prior to the audio from the far loudspeaker. This echo, which must be eliminated electronically, results in uneven sound that degrades speech clarity and music quality. Sound that is properly controlled is also easier to keep out of the yards of neighbors who might not want to hear it.

Sound coverage is a challenge as well. Loudspeakers directed toward the home bleachers leave the field and visiting bleachers uncovered. Lower quality loudspeakers will especially have trouble reproducing intelligible speech and music throughout the stadium. The press box installation, with loudspeakers pointing straight out and tilted slightly downward, helps minimizes echo by ensuring that attendees hear audio from only one loudspeaker. Loudspeakers with wide dispersion patterns optimize coverage, delivering a pleasant audio experience to all bleacher areas and the field. Loudspeakers will outperform traditional horn systems, which are well known for the inability to reproduce the deep bass and detailed highs that are common with high fidelity loudspeakers.

Sometimes, however, a press box is not an option. A recent Technomad installation on a new soccer field at a high school in Columbus, Ohio lacked a press box. The rack system was integrated within a cement shell that was wired for electricity. The installer ran cables under the field surface to the other side where the loudspeakers were installed on round light poles with specialty brackets. This situation is an example of how a smart installer using high quality products can provide excellent audio quality under less-than-ideal conditions.

Different fields require different sound systems. Baseball fields, for example, require an almost completely different approach due to the design of the field. In this case the backstop is a better mounting location than the press box or light poles. Loudspeakers with wide audio dispersion should be installed high enough on the backstop and angled so as to provide a single source to both home and visitor stands as well as the area behind home plate and into the field.

Regardless of the stadium in question, proper planning and a willingness to purchase better quality equipment right off the bat will give the school a great quality sound system and help eliminate headaches in the future.

Note: A modified version of this article was published in the November, 2007 on-line and printed editions of Christian School Products magazine.

Technomad Outdoor Loudspeakers Deliver High-Quality Audio at Mount Si High School

BOSTON – Technomad Associates, LLC today announced that Mount Si High School, part of the Snoqualmie Valley School District in Snoqualmie, Washington, has installed two Technomad Noho C weatherproof outdoor loudspeakers for its Soccer and Track Field to provide voice and audio playback for all events. The Noho C loudspeakers replace less reliable loudspeakers that struggled to fill the track and field area with intelligible audio. They also offer a true weatherproof loudspeaker solution for a region in the west foothills of the Cascade Mountains noted for its heavy annual rainfall.

Electrocom of Washington recommends and installs Technomad Noho C weatherproof loudspeakers for Soccer and Track Field in rainy environment

Our track and field events are spread all over the field, and people had trouble hearing the live audio from our older loudspeakers depending on the location of the event, said Carl Larson, Director of Operations, and Snoqualmie Valley School District. The Technomad loudspeakers are a major improvement and direct the audio to all areas of the field to provide complete coverage. Also, we receive 80 to 90 inches of rain each year, and these loudspeakers are still pumping.

Electrocom of Lynwood, Washington handled the installation and recommended the Technomad Noho C as a reliable loudspeaker that would produce the audio levels and field coverage the school required. The loudspeakers are mounted on two light poles directly behind the visitor’s bleachers of the school’s football field. A two-channel 550-watt amplifier powers the Technomad loudspeakers from the home press box on the opposite side of the football stadium, using thick, protected cabling to drive the 8-Ohm signal from a long distance. A line for a single microphone is run through the same protective conduit to the Soccer and Track Field, where volunteers broadcast live coverage of the events over the Technomad Noho C loudspeakers.

The Technomad Noho C loudspeakers by far outperform the non-Technomad loudspeakers that the acoustical consultant recommended for the football field. Those loudspeakers simply cannot reproduce the high volume required to fill the stadium and compete with crowd noise, said Jerry Hegstad, Education Market Manager, Electrocom. We immediately recommended Technomad when the customer asked us to improve the loudspeakers on the Soccer and Track Field. They sound far better and have a much broader audio dispersion so everyone can clearly hear the live broadcast regardless of location. They also work great for exterior installations, an important element when designing and installing outdoor audio systems.

Technomad loudspeakers are available separately or as part of complete Turnkey PA Systems which feature an audio mixer, power amplifier, speaker cables, speaker mounting brackets, a dynamic microphone with cable, and a rack enclosure.

ABOUT ELECTROCOM

Electrocom is a leader in innovative sound reinforcement and intercommunications design and installation. Responsible for the majority of school and health care facility intercom/clock sales and installations in Western Washington, Electrocom offers a no obligation sound reinforcement evaluation to school districts throughout Western Washington. Their evaluation includes sound reinforcement design for a school gym, band and music rooms, sport stadium, commons, or classrooms. Electrocom, established in 1946, is an exclusive dealer for companies such as Technomad, Rauland-Borg, and Yamaha.