Asked by: Varvara Bernharttechnology and computing digital audio
What is uLaw codec?
Last Updated: 9th April, 2021
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Thereof, what is Alaw codec?
Introducing G711 aLaw G. 711 is an ITU-T standard algorithm for audio companding that is used for digital communication systems and supported by most of VoIP providers. G. 711 codec provides the best voice quality for VoIP.
Similarly, what is the difference between g711 and g729? The different codecs offer different levels of compression. G711 provides an uncompressed high quality voice, but uses a lot of bandwidth. G729 is compressed so that it uses less bandwidth at the cost of some sound quality, though it is still more than good enough for most calls.
Also, what is ULAW and Alaw?
A-law vs u-Law The first difference between the two is the dynamic range of the ouput; U-law has a larger dynamic range than a-law. Dynamic range is basically the ratio between the quietest and loudest sound that can be represented in the signal.
What is the difference between g711a and g711u?
G711a is alaw and G711u is ulaw. Basically, the one you use depends where in the world you are. In Australia (and basically most of the world outside the USA) we use alaw. So, a call made with G711a can be more easily turned into a TDM voice call when it hits the PSTN.