Editing Adaptive Multi-Rate audio codec (section)

== Licensing and patent issues ==
AMR codecs incorporate several [[patent]]s of [[Nokia]], [[Ericsson]], [[Nippon Telegraph and Telephone|NTT]] and VoiceAge,<ref name="voiceage-amr_licterms">{{cite web |author=VoiceAge Corporation |publisher=VoiceAge Corporation |url=http://www.voiceage.com/amr_licterms.php |title=AMR Licensing Terms |date=2007-10-14 |access-date=2009-09-12 |archive-url=https://web.archive.org/web/20071014162046/http://www.voiceage.com/amr_licterms.php |archive-date=2007-10-14}}</ref><ref name="voiceage-amr_licterms2">{{cite web|author=VoiceAge Corporation |publisher=VoiceAge Corporation |url=http://www.voiceage.com/amr_licterms.php |title=AMR Licensing Terms |date=June 2007 |access-date=2009-09-12 |url-status=dead |archive-url=https://web.archive.org/web/20071014162046/http://www.voiceage.com/amr_licterms.php |archive-date=2007-10-14 }}</ref> the last one being the ''License Administrator'' for the AMR [[patent pool]]s. VoiceAge also accepts submission of patents for determination of their possible essentiality to these standards.<ref name="voiceage-licpatentcalls">{{cite web|author=VoiceAge Corporation |publisher=VoiceAge Corporation |url=http://www.voiceage.com/licpatentcalls.php |title=Licensing - Patent Calls |access-date=2009-09-12 |url-status=dead |archive-url=https://web.archive.org/web/20071014161420/http://www.voiceage.com/licpatentcalls.php |archive-date=2007-10-14 }}</ref><ref name="archive-licpatentcalls">{{cite web |author=VoiceAge Corporation |url=http://www.voiceage.com/licpatentcalls.php |title=Licensing - Patent Calls |date=2007-10-14 |access-date=2009-09-12 |archive-url = https://web.archive.org/web/20071014161420/http://www.voiceage.com/licpatentcalls.php |archive-date = 2007-10-14}}</ref>

The initial fee for professional content creation tools and "real-time channel" products is US$6,500.{{When|date=November 2015}} The minimum annual royalty is $10,000, which, in the first year, excludes the initial fee. Per-channel license fees fall from $0.99 to $0.50 with volume, up to a maximum of $2 million annually.<ref name="voiceage-amr_licterms"/><ref name="voiceage-amr_licterms2"/>

In the category of personal computer products, e.g., media players, the AMR decoder is licensed for free. The license fee for a sold encoder falls from $0.40 to $0.30 with volume, up to a maximum of $300,000 annually. The minimum annual royalty is not applied to licensed products that fall under the category of personal computer products and use only the free decoder.<ref name="voiceage-amr_licterms"/><ref name="voiceage-amr_licterms2"/>

More information:
* [http://www.voiceage.com/licensing.php VoiceAge licensing information], including pricing to license the AMR codecs
* [https://web.archive.org/web/20070630180010/http://www.3gpp.org/legal/legal.htm 3GPP legal issues]
* [https://web.archive.org/web/20070630180057/http://www.3gpp.org/faq/faq_2005_2.htm#A3.1 The 3G Patent Platform and its licensing policy]
* [http://www.penguin.cz/~utx/amr AMR Codecs as Shared Libraries] — legal notices for usage of amrnb and amrwb libraries based on the reference implementation