Attending ISE ? Join Me !

In the world of AV systems, the Signal-to-Noise Ratio (SNR) is often overlooked but plays a critical role in determining system performance and user experience. Whether it’s delivering crystal-clear audio or vibrant video, achieving a high SNR ensures the desired signal is prominent while unwanted noise is minimized.
I will share insights and techniques I’ve learned throughout my career that can help achieve a higher SNR, ultimately ensuring clearer communication, more vibrant visuals and a more seamless user experience.
Why Signal-to-Noise Ratio Matters ? Throughout my experience over the years, I’ve encountered several crucial factors highlighting the importance of SNR in AV systems:
Installers and AV commissioning engineers often apply various strategies to ensure high SNR in their systems. Below are the key techniques typically employed:
1. Proper Grounding:
Proper shielding blocks external electromagnetic interference (EMI) and ensures signal purity:
Calibration ensures that the system is optimized for its specific environment, reducing the chances of noise or signal degradation:
Power-related noise can often infiltrate AV systems, especially in large setups:
Modern DSP tools can help refine SNR in both audio and video:
Finally, a high signal-to-noise ratio is not merely a technical metric but the foundation of AV system excellence. By implementing proper grounding, shielding, calibration and power management, AV professionals can ensure their systems deliver exceptional performance. As the unsung hero of AV quality, SNR deserves careful attention in every project, ensuring an immersive and reliable experience for end users.
With over 20 years of experience in the AV and ELV industries, I specialize in AV system design, installation, management, and integration across diverse sectors, including corporate, education, sports, healthcare, hospitality, and government. My career began in 2003 with the AV team at a 5-star hotel in Lebanon, where I developed a passion for AV systems.
I hold certifications as a Project Management Professional (PMP) from PMI, as well as CTS-D and CTS-I from AVIXA, blending technical expertise with strong project leadership. I have extensive experience deploying technologies from leading manufacturers such as Crestron, Extron, Biamp, and many others, while managing vendors and ensuring seamless integration.
Currently, I am part of BLINQ, a division of IMAR Trading and Contracting in Qatar, where I serve as the ELV Projects Manager, focusing on ELV systems and immersive AV solutions. I am committed to continuous learning, staying ahead of industry trends, and mentoring emerging professionals to elevate the AV field
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Thanks @Alexis Bou Farhat, CTS-D, CTS-I this is something we definitely should apply in all our AV projects. Happy New year
Thanks @Antonio Vaca , Happy new Year !