Nerd Alert Are Lisnr Tones Inaudible We Compare Our Sound Frequencies To Humans Animals/

Nellie Bly

2 min read

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14-07-2025

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The world of inaudible sounds is fascinating, particularly when we consider technologies like Lisnr's inaudible tones. This technology utilizes ultrasonic frequencies to transmit data, raising the question: are these tones truly inaudible to all living beings, including humans and animals? Let's delve into the science of sound and frequency to explore this.

Understanding Sound Frequencies

Sound is a form of energy that travels as waves. The frequency of a sound wave is measured in Hertz (Hz), representing the number of cycles per second. The human hearing range generally sits between 20 Hz and 20,000 Hz. Sounds below 20 Hz are considered infrasound, while sounds above 20,000 Hz are classified as ultrasound.

Lisnr's technology operates within the ultrasonic range, meaning the frequencies are above the typical human hearing threshold. This is the foundation of their claim that the tones are inaudible to humans.

Lisnr Tones: The Technology Explained

Lisnr utilizes ultrasonic frequencies to embed data within seemingly silent audio. This data can then be decoded by a compatible device, allowing for various applications, such as authentication, payment processing, and other forms of data transmission. The key to this technology lies in its ability to remain imperceptible to the human ear.

Are Lisnr Tones Truly Inaudible to Everyone?

While Lisnr's tones are designed to be outside the human hearing range, it's crucial to note that individual hearing sensitivity varies. Some individuals may have a higher hearing range than others, potentially perceiving some higher-frequency Lisnr tones as faint sounds or even subtle sensations.

Furthermore, the auditory sensitivity of animals differs significantly from humans. Many animals, particularly those that rely on high-frequency sound for communication or prey detection (such as bats and dolphins), possess a much wider hearing range that extends far into the ultrasonic spectrum. It's highly likely that these animals would be able to detect, and potentially even react to, Lisnr tones.

Comparing Frequency Ranges

This table provides a simplified comparison:

Note: These are approximate ranges and can vary greatly depending on the species and individual.

Conclusion:

While marketed as inaudible, Lisnr tones are not necessarily inaudible to all living creatures. While most humans won't hear them, some individuals may perceive subtle sensations, and many animals with extended hearing ranges will likely be able to detect these ultrasonic frequencies. This raises potential implications for animal welfare, requiring further investigation into the effects of prolonged exposure to these frequencies on various animal species. The issue necessitates further research to fully understand the impact of this technology on the animal kingdom.