[Speex-dev] Using speex pre processor

Ankhit Vivekananda ankhit.vivekananda at biscotti.com
Thu Aug 20 16:54:58 UTC 2015

Hello Tristan,

Thank you. But I am using libspeex library. Does the speexdsp library be
included in it? Or it needs to be installed separate.

Appreciate the help.


On Thu, Aug 20, 2015 at 11:43 AM, Tristan Matthews <tmatth at videolan.org>

> Hi Ankhit,
> On Thu, Aug 20, 2015 at 12:06 PM, Ankhit Vivekananda <
> ankhit.vivekananda at biscotti.com> 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
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