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Talk:Adaptive Multi-Rate audio codec

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This is an old revision of this page, as edited by Jonxon (talk | contribs) at 22:59, 11 January 2008 (→filtered to 200-3400 Hz?: new section). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Conversion from/to amr to mp3 wav etc...

Could we add a sub section on converting to and from .amr files preferably with a link(s) to external websites offering FREE, NON-VIRUS executables to do these conversions (I've failed to find one yet)

JamMan- 12th Oct 06

Could we inform in the page about the licensing of AMR ? It looks very unclear to a lot of people (including me). (e.g. ffmpeg or videolan can't include the C code included in the amr reference specification made by 3gpp.) --- AlexandreDulaunoy 13:25, 1 February 2007 (UTC)[reply]

Time of Recording tagged?

Is there any chance the time a recording was made is embedded somewhere in the file itself?

Since that would mean recordings could be coordinated with a GPS track and geotagged... —Preceding unsigned comment added by MrRedwood (talk • contribs) 00:26, 14 October 2007 (UTC)[reply]

filtered to 200-3400 Hz?

Does anyone have a reference for this?

I was reading briefly in 3GPP TS 26.090 V7.0.0 (2007-06) (available at http://www.3gpp.org/ftp/Specs/html-info/26-series.htm) where it's stated in Section 5.1 that a high-pass filter with a cut-off frequency of 80 Hz is used. --Jonxon (talk) 22:59, 11 January 2008 (UTC)[reply]

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