3G chiefs choose AAC for mobile music delivery

3GPP, the organisation behind third-generation mobile phone network standards, has selected MPEG 4’s High Efficiency AAC (HE-AAC) as its codec of choice for 3G-delivered audio content.
In the UK, network operators Vodafone and O2 use HE-AAC as the basis for their music download services. AOL uses it too.
Also see the formal statement from Coding Technologies

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