Understanding Conferencing Audio Quality

A successful teleconference relies on exceptional audio quality. 

Knowing what kind of audio you are getting should be a key part of your research when considering a conference provider.

There are two main types of teleconferencing platforms:

General Purpose Media Server:

  • Service providers load a teleconferencing software program onto a standard media server
  • It is a cheap and quick setup for the provider therefore they often offer their services cheaply
  • The teleconferencing calls are routed over the internet (VoIP)
  • The output of audio quality is highly variable and there is often significant delay in the conversation as the physical distance between guests increases.

Dedicated Purpose built conferencing platform:

  • Ozlink uses a purpose built teleconferencing platform -the same one used by leading conferencing service providers around the world.
  • Service providers invest large amounts into their conferencing platform to ensure quality services
  • The purpose built platform ensures calls are routed via a digital telephone system (not the internet)
  • The output of the audio quality is high

The table below demonstrates the difference in audio quality you can expect from Ozlink’s Purpose Built Teleconferencing Platform (Contex Summit) and a Media Server.

comparison_of_QoS

Quality of Speech Score - Effort required ‘to understand’ the meaning of sentences:

5 – Excellent - Complete relaxation possible; no effort required

4 - Good - Attention necessary; no appreciable effort required

3 – Fair - Moderate effort required

2 – Poor - Considerable efforts required

1 – Bad - No meaning understood with any feasible effort

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