The number of daily active users of Zoom for instance jumped from 10 million to over 200 million in the space of just three months, while Microsoft Teams saw its number of daily active users balloon from 32 million users in March to 75 million as of early May.Īccording to an estimate from Statista, there are over thirty well-functioning free-to-use video call and chat platforms running on Windows applications. Video calling platforms are enjoying explosive growth in their popularity since the outbreak of the Covid-19 pandemic. And going forward, it is a near certainty that Skype, Teams, Viber, Zoom and similar video calling platforms will maintain or even increase their significance for the digital exchange of video and audio in the near future. Noise suppression is a microphone feature that removes background noise from the audio.Īutomatic gain is a microphone feature that automatically manages the volume of audio input to keep a steady volume level.Online and video conferences have proven their worth in the crisis both for businesses and individuals. For example, the time it takes to convert analog audio to digital audio contributes to the latency.Įcho cancellation is a microphone feature that attempts to limit the echo or reverb effect when the audio captured by the microphone is played back in speakers and then, as a result, captured once more by the microphone, in an infinite loop.
Latency is an estimation of the delay between the moment the audio signal reaching the microphone and the moment the audio signal is ready to be used by the capturing device. Typical values are 16 bits (CD audio and others), 8 bits (reduced bandwidth) and 24 bits (high-resolution audio).
The sample size indicates how many bits are used to represent each audio sample.
Typical values are 44,100 (CD audio), 48,000 (digital audio), 96,000 (audio mastering and post-production) and 192,000 (high-resolution audio).
The sample rate indicates how many audio samples are taken each second.
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