Endoacustica

  We usually think of windows as solid barriers that keep the weather out and our conversations in. But in the world of modern security, a window is actually more like a giant microphone. With a device called a Laser Microphone , someone can listen to what you’re saying from hundreds of meters away—without ever stepping foot inside your building. Here is a simple breakdown of how this "spy tech" works and why it matters. The "Bouncing" Secret To understand a laser microphone, you first have to understand vibration . To understand a laser microphone, you first have to understand what sound actually is. When you speak, your vocal cords vibrate. This pushes the air in front of your mouth, creating a "wave" of pressure. Even though a glass window feels solid and stiff to your hand, to a sound wave, it is actually quite flexible. When you talk inside a room, the sound of your voice hits the glass and causes it to vibrate. These vibrations are so small t...

In the modern era, we are obsessed with the concept of "wellness." We spend billions of dollars annually on organic foods, meditation apps, ergonomic chairs, and air purifiers. We recognize that our environment—what we put into our bodies and the air we breathe—profoundly impacts our mental health and productivity. However, there is a silent, invisible form of pollution that many of us ignore until it is too late: the breach of our private spaces. True "living positively" requires a foundation of safety. When that safety is compromised by the "invisible threat" of unauthorized surveillance or data leaks, it creates a unique type of psychological stress that can erode your confidence and your peace of mind. The Psychology of the "Invisible Threat" Imagine sitting in a high-stakes board meeting or having a heart-to-heart conversation with a mentor, only to have a nagging thought in the back of your mind: Is someone else listening? This isn't j...

Nel mondo delle investigazioni private e della sicurezza, c'è una cosa che conta più di tutto: l' integrità delle prove . Sbagliare la gestione di un video o di un file audio può rovinare un intero caso. Oggi, con l’evoluzione della tecnologia, le regole per raccogliere e conservare i dati sono diventate molto più rigide. Che tu stia usando strumenti di sorveglianza avanzati o microcamere nascoste, è fondamentale che la "catena di custodia" non venga mai interrotta. Proprio di recente abbiamo parlato dell’ evoluzione degli standard per l'integrità delle prove in un nostro comunicato ufficiale.  1. Usa attrezzature professionali Non tutti i gadget sono uguali. Per far sì che una prova sia valida, devi usare dispositivi che registrano i "metadati" (come l'ora esatta, le coordinate GPS e l'ID del dispositivo). Questi dati sono come un'impronta digitale che dimostra dove e quando è stato raccolto il materiale. 2. Non modificare mai i file origi...