Re: Using speex pre processor

Tristan Matthews <[email protected]> Thu, 20 Aug 2015 12:43:58 -0400
Newsgroups gmane.comp.audio.compression.speex.devel
Message-ID <CAN8HRDnNd0HFK39DPAEX=fNnBaHXbtJ8iHQcGSYqNJYFBdkDgg@mail.gmail.com>
--===============1353342706==
Content-Type: multipart/alternative; boundary=001a113ec9ec929162051dc0dbbb

--001a113ec9ec929162051dc0dbbb
Content-Type: text/plain; charset=UTF-8

Hi Ankhit,

On Thu, Aug 20, 2015 at 12:06 PM, Ankhit Vivekananda <
[email protected]> wrote:

> Hello,
>
> I am a newbie and wanted to know if a speex preprocessor, such as a
> DENOISE, can be used with other encoders such as AAC.
>
> We are developing video cameras using speex codec for encoding and
> decoding audio when placing calls. We also stream live audio/video files
> out of the camera and use AAC encoder for that as the server that we stream
> to supports only AAC. But, the noise level is high even when the
> environment is quiet. Hence, would want to implement a de-noise
> preprocessor from speex to do the same. Will speex pre-processor work when
> using different encoders?
>
> Please do let me know.
>

Yes, the speexdsp library is completely independent of the speex codec
library.

Best,
Tristan

--001a113ec9ec929162051dc0dbbb
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">Hi Ankhit,<div class=3D"gmail_extra"><br><div class=3D"gma=
il_quote">On Thu, Aug 20, 2015 at 12:06 PM, Ankhit Vivekananda <span dir=3D=
"ltr">&lt;<a href=3D"mailto:[email protected]" target=3D"_bla=
nk">[email protected]</a>&gt;</span> wrote:<br><blockquote cl=
ass=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;p=
adding-left:1ex"><div dir=3D"ltr">Hello,<div><br></div><div>I am a newbie a=
nd wanted to know if a speex preprocessor, such as a DENOISE, can be used w=
ith other encoders such as AAC.</div><div><br></div><div>We are developing =
video cameras using speex codec for encoding and decoding audio when placin=
g calls. We also stream live audio/video files out of the camera and use AA=
C encoder for that as the server that we stream to supports only AAC. But, =
the noise level is high even when the environment is quiet. Hence, would wa=
nt to implement a de-noise preprocessor from speex to do the same. Will spe=
ex pre-processor work when using different encoders?=C2=A0</div><div><br></=
div><div>Please do let me know.</div></div></blockquote><div><br></div><div=
>Yes, the speexdsp library is completely independent of the speex codec lib=
rary.</div><div>=C2=A0</div><div>Best,</div><div>Tristan</div></div></div><=
/div>

--001a113ec9ec929162051dc0dbbb--

--===============1353342706==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________
Speex-dev mailing list
[email protected]
http://lists.xiph.org/mailman/listinfo/speex-dev

--===============1353342706==--