Noise map for call centers

Posted by admin
On September 4, 2017

Background Call centers suffers from significant ambient noise that is originated from multiple locations like: Other agents talking in the background. The supervisor/team-leaders shouting to instruct or enthuse the agents. A nearby gathering in the coffee corner. Such noise reduces the quality of the calls and directly impacts customer satisfaction. In addition the existence of […]

Mask noise and handle privacy in the call center

Posted by admin
On June 28, 2017

This special blog post is dedicated to a video that explains the advanced noise firewall technology for call centers that is implemented in both PBXMate for call centers and SoliCall Connect.

call center quality – noise cancellation

Posted by admin
On March 6, 2017

[EDITED] For an explanatory video please check the post on reducing noise in call centers. Background Call centers are crowded locations in which agents are sitting next to each other making phone calls to customers. As a result, these phones calls contain a lot of ambient noise that is caused due to the physical conditions […]

Noise reduction algorithms – PNR vs. RNR

Posted by admin
On January 3, 2017

Background Recently SoliCall introduced the reference-based noise reduction (RNR). This new technology was added to our noise reduction portfolio which already contained profile-based noise reduction (PNR) and standard noise reduction. Following the RNR introduction, we got requests to elaborate on the difference between PNR and RNR as they both use a profile/learning mechanism. In this […]

Reference based Noise Reduction

Posted by admin
On November 1, 2016

Background Ambient noise during phone calls is annoying especially when the phone calls are a significant part of your business. Let’s assume you run a call center and there is temporary (or constant) source of noise that is picked up by the phones of the agents and therefore this noise is being heard by your […]

How can echo suppression badly impact call quality ?

Posted by admin
On January 1, 2016

Background Can phones/soft-phones with built-in echo suppression badly impact the audio quality? Surprising as it may sound the answer is positive. In other words, when a call center, or any other organization, purchase phones with built-in echo suppression it is jeopardizing the overall call quality. In order to analyze the reason for this phenomena we […]

VoIP on Android – volume control

Posted by admin
On August 3, 2015

Background In our previous posts we covered few of the difficulties that Android VoIP developers are facing – for example the challenge in providing high quality echo cancellation. In addition to the echo cancellation, the variety of hardware platforms that are running Android also introduces a challenge in controlling the volume of the voice.

Posted by admin
On November 9, 2014

Background Following our last post on the profile-based noise reduction technology, in this post we would like to cover few environments that suffer from extreme ambient noise. In these environments, many existing technologies are used to minimize the ambient noise. Unfortunately this is not enough and the output usually suffers from significant residual ambient noise […]

Posted by admin
On September 9, 2014

Background In this post we will discuss the current status of SoliCall’s innovative and powerful noise reduction technology. Initially this technology was introduced under the name of personal noise reduction. Few months later the concept of out-of-the-box deployment with generic profiles was introduced. Recently, we have renamed this technology to “profile-based noise reduction“.

Posted by admin
On May 18, 2014

Background The personal noise reduction software has proven to increase audio quality and MOS score in different noisy environments. This technology is using information on the speaker’s voice in order to separate it from the background noise and attenuate the latter. This powerful technology had one major drawback that prevented it from reaching mass deployment. […]

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