Microphones for security

Eyes have blind angles – ears don’t

Sound carries a lot of “hidden” information not necessarily found in images or video. Nuances of voice, language, vehicle sounds, timing, direction and distance are picked up by the human ear – as well as professional microphones.

In audio forensics, acoustic crime scene analysis is highly appreciated as it provides site-specific information related to the incident in question. Undercover recordings are one of law enforcements’ tools in the fight against crime. Voice biometrics are widely applied for access control. Flight recorders provide unique information that can reveal the cause of aviation incidences. Engine monitoring may ensure in-time maintenance.

In contrast to fingerprints, sound does not leave a direct trace. Sound always travels through an acoustic path and then eventually gets recorded.
 

Microphones are key to security

To gain useable evidence, sound must be captured by one – or more – microphones. The quality of the evidence depends on the audio quality capture, and accordingly, the quality of the equipment used. In many cases, the recording may be subject to signal processing for noise reduction, voice clarity, speaker recognition or verification. The best result is achieved when a high-quality signal is obtained from the beginning and retained throughout the process.

The microphone is the first component in the audio chain – and perhaps the most important one. DPA Microphones has a long history as a microphone provider for security and law enforcement solutions. Choose DPA Microphones for your security solutions when the keywords are reliability and accuracy.

Casino security case study

At most casinos around the world, security audio is recorded at the table level as the microphone is usually built into the table itself. Yet this solution picks up a lot of noise from the chips and cards moving instead of the dealers and players. A casino in Brussels recently upgraded its security network, including installing 400 cameras along with nearly 60 overhead microphones. Read the case study detailing how Sabelco, an electronic security equipment supplier based in Belgium, tackled the challenge.


 

Microphones for security

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Ceiling and Tabletop Mics

This series contains two complete installation solutions: A ceiling solution, which is ideal for mounting from the ceiling of meeting rooms and other small to mid-sized spaces; and a tabletop solution that can be temporarily or permanently placed on a table or other flat surface.

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Gooseneck Mics

When high speech intelligibility is paramount, our gooseneck solutions are ideal. From parliaments to conference centers, boardrooms to video conference rooms, DPA mics gives you trouble-free installations and delivers pristine, clear sound.

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4660 Heavy Duty Omni Mic

Made for situations where you require maximum security and where the visual size of the mic is less important. This robust series features a stainless steel housing, a heavy-duty cable relief and a thick 2.2 mm (0.9 in) cable.
 

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4060 Series Omni Miniature Mic

This entire series of miniature microphones is based on the original 4060; the very first miniature microphone developed by DPA from the best technology previously only used in hearing aids and measurement microphones.
 

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6060 Series Subminiature Lavalier

Just 3 mm (0.12 in) and available in a normal and a loud SPL version, the  6060 and 6061 Subminiature Lavalier mics pack the audio power of our larger, award-winning DPA mics. What they lack in size, they more than make up for in clarity, consistency and durability – three qualities that really matter. By shrinking CORE by DPA technology, we ensure you don't have to compromise on sound to focus on aesthetics.
 

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4017 Shotgun Mic

Designed for a broad range of applications, this microphone is ideal for use with camera systems, in fixed positions for broadcast / ENG / film booming and even studio recording environments. They are also often the natural choice on a sports scene where large areas are to be covered with a lot of microphones, i.e. a football field and the likes.

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4006 Omni Mic

This highly sought after mic has forged its enviable reputation over the past quarter of a century by repeatedly exhibiting its total transparency in any recording situation. It picks up incredible detail and depth of sound.

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10 points on microphones for security

Eyes have blind angles – ears don’t. Sound can carry a lot of “hidden” information not necessarily found in images or video. Voice and language, vehicle characteristics, timing, direction, distance information, etc.
Learn more
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