[opus] opus Digest, Vol 45, Issue 5

[Guan Xsun]

hi,All,
   I want to know whether Opus has AEC features like Speex?



   Thanks


2012/10/17 <opus-request at xiph.org>

> Send opus mailing list submissions to
>         opus at xiph.org
>
> To subscribe or unsubscribe via the World Wide Web, visit
>         http://lists.xiph.org/mailman/listinfo/opus
> or, via email, send a message with subject or body 'help' to
>         opus-request at xiph.org
>
> You can reach the person managing the list at
>         opus-owner at xiph.org
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of opus digest..."
>
>
> Today's Topics:
>
>    1. encoding 44.1Khz (Sartre Salam)
>    2. Re: encoding 44.1Khz (Ralph Giles)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 16 Oct 2012 12:48:49 +0100 (BST)
> From: Sartre Salam <gmxubuntu at yahoo.de>
> Subject: [opus] encoding 44.1Khz
> To: "opus at xiph.org" <opus at xiph.org>
> Message-ID:
>         <1350388129.15298.YahooMailNeo at web171605.mail.ir2.yahoo.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi , I have read that it is posible to encode higher sample
> rates like 96 khz or 192khz? and the output is 48 khz,
> the resample is internally.? http://wiki.xiph.org/OpusFAQ
> But it is possible to encode? 44.1khz. It is resampled to
>
> 48khz or I have to make the resample by myself and
>
> then encode it with opus.
>
> thnx, arctor
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL:
> http://lists.xiph.org/pipermail/opus/attachments/20121016/88810c7c/attachment-0001.htm
>
> ------------------------------
>
> Message: 2
> Date: Tue, 16 Oct 2012 09:50:21 -0700
> From: Ralph Giles <giles at thaumas.net>
> Subject: Re: [opus] encoding 44.1Khz
> To: Sartre Salam <gmxubuntu at yahoo.de>
> Cc: "opus at xiph.org" <opus at xiph.org>
> Message-ID: <507D904D.8050505 at thaumas.net>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On 12-10-16 4:48 AM, Sartre Salam wrote:
> > Hi , I have read that it is posible to encode higher sample
> > rates like 96 khz or 192khz  and the output is 48 khz,
> > the resample is internally.  http://wiki.xiph.org/OpusFAQ
> > But it is possible to encode  44.1khz. It is resampled to
> > 48khz or I have to make the resample by myself and
> > then encode it with opus.
>
> Encoding tools, like opusenc from the opus-tools package, will take care
> of resampling for you. Just feed in any PCM wav file and it
> should be fine.
>
> If instead you're writing a program yourself that uses the reference
> libopus API, then yes, you need to resample 44.1 kHz audio
> to 48 kHz before submitting it to opus_encode(_float).
>
>  -r
>
>
>
> ------------------------------
>
> _______________________________________________
> opus mailing list
> opus at xiph.org
> http://lists.xiph.org/mailman/listinfo/opus
>
>
> End of opus Digest, Vol 45, Issue 5
> ***********************************
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.xiph.org/pipermail/opus/attachments/20121017/a4ae7c16/attachment.htm