E.T. Phone Home

On September 3, 2024

Today people got addicted to cloud services including cloud licensing models. Most software vendors offer their software in a Software As a Service (SAS) model which means that the software that is running locally has to “phone home” (i.e. connect to the vendor’s servers) in order to work. This “E.T. Phone Home” model is great […]

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. […]

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 […]

Sorry, what?

On June 2, 2022

In this post we would like to discuss a disturbance in phone calls that might happen from time to time: you are in a phone call but the voice of the other party is too weak making it had to understand. In this case you will initially try and increase the volume on your side […]

Noise Free Conference Calls

On May 1, 2020

The social distancing forced upon us by the Covid-19 causes a significant change in the way business people are communicating. Business meetings are now replaced by phone calls. In addition to the rise in the usage of phone calls there is also a change in their audio quality. People are not making these calls from […]

Flash Conference with Acoustic Echo Cancellation

On August 12, 2018

Background Following our previous post on acoustic echo cancellation on flash calls, we got requests to improve audio quality also on conference calls that are based on flash technology. The case study that was described in the previous post dealt with audio quality for regular flash calls, and showed how to convert them to SIP […]

Controlling Audio Quality in Conference Calls

On July 14, 2018

Background Conference calls are a common tool in the business environment today. They seamlessly close any geographic distance between the participants. While participating in a conference call you are usually not aware of the physical location and time zone of all other participants. This is true until you find it hard to understand the flow […]

On November 20, 2016

Can you hear people that are sitting far away from the microphone? Have you ever joined a conference call where some of the participants were sitting in a conference room? Were you able to understand every word that these people were saying? Probably not. Usually you can clearly hear the people sitting close to the […]

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