Can Noise Cancellation Impact Call Authenticity?

On February 10, 2025

Audio processing filters like noise cancellation and accent neutralization are used in telephony in general and specifically in call centers to improve call quality and make communication more efficient. However, these technologies can also have unintended consequences that impact the authenticity of calls, and they may even create liability issues for call centers. Here’s an […]

6 Ways to Cancel Microphone Noise

On July 22, 2024

Noise captured by the microphone can be frustrating as it affects the clarity and quality of the recorded or transmitted sound. Following are 6 ways to cancel the noise introduced by the microphone. Microphone malfunction Make sure there is no microphone malfunction. Microphone malfunctions can introduce various types of noise into the audio signal. Here […]

Is the call authentic?

On June 8, 2024

In this post we do not want to discuss fraud related issues like impersonation and deepfake. We will discuss legitimate scenarios in which, for example, the call center agent might not hear the original voice of the customer but a slightly different voice due to audio filtering and specifically due to aggressive noise cancelling software. […]

DC offset and Audio Filtering

On April 10, 2024

In this post we describe a phenomena called “DC offset” in audio signal and its impact on the quality of audio filtering like noise reduction, echo cancellation and automatic gain control. We say that a signal has a DC offset distortion when the mean amplitude of its waveform is not zero. A normal voice waveform […]

Are your recordings authentic?

On April 2, 2024

Most recordings are not saving the original audio as-is but perform a compression. While compression is often necessary for practical reasons (like saving storage space or reducing bandwidth), it’s a delicate balance. Too much compression can strip away the authenticity of the original call. When you compress a recording, you’re essentially reducing the amount of […]

SoliCall Connect Vs. SoliCall Pro

On January 31, 2024

We are frequently asked by call centers and enterprises to help them understand the difference between SoliCall Connect and SoliCall Pro. In this post, we will cover these two products and highlight the key differences. What is common? Both these products are software-based products that aim to improve audio quality in telephony. SoliCall Pro is […]

Cocktail party and crosstalk

On January 28, 2024

The cocktail party problem is one of the oldest problems in the arena of signal processing. The problem is describes as follows: in a cocktail party there are many people talking. All their voices are mixed in the air and the people listening will hear all the voices blended together. Nevertheless, in most cases, the […]

Optimize noise cancellation

On January 4, 2024

Modern AI-based noise cancellation algorithms generally perform well in most common environments. However, there are specific scenarios where their effectiveness may fall short. These unique environments often involve distinct noise profiles, such as the noise generated by specific machinery. In such cases, the performance of generic noise cancellation algorithms may not meet the desired quality […]

Noise Cancellation for DeskPhones

On November 28, 2023

The demand for Noise Cancellation in phone calls is constantly increasing. The main reason for the increasing demand is the improvement in technology that is now able to provide better quality than the quality that could be provided few years ago and this technology keeps improving every day. The same principle applies to any other […]

High Availability In Call Centers

On November 15, 2023

The telephony system in call centers is a critical component that is the heart of the operation. Any disruption to the normal flow of the phone calls will result in a significant damage to the business. For example, let’s look at a busy call center that is unable to accept new calls for few minute […]

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