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chemeris
2009 Jul 01
1
Delays estimation in Speex algorithms
First patch fixes two typos in manual.
Second patch adds few notes about latency, as promised.
Hopefully I haven't added any typos and grammar errors :)
On Wed, Jul 1, 2009 at 8:02 PM, Alexander
Chemeris<Alexander.Chemeris at sipez.com> wrote:
> Thank you for clarification. I attached a patch which (IMHO)
> makes it more clear for everyone who just read Doxygen
> docs. Resampler latency docs wording was just ambiguous
> IMO, so I made it more robust to fast reading.
>
> On...
2009 Jun 29
3
Delays estimation in Speex algorithms
...ome of these algorithms,
please, share this knowledge. I believe that this is worth doing and
I promise to compile a patch to Speex documentation with obtained
values and formulas. In VoIP we fight for every ms of latency, so lets
make people more aware of the actual values.
--
Regards,
Alexander Chemeris.
SIPez LLC.
SIP VoIP, IM and Presence Consulting
http://www.SIPez.com
tel: +1 (617) 273-4000
2007 Nov 29
3
[PATCH] Add Visual Studio 2008 Prject files
...l not be able to link Speex statically with VS projects. Other variant
is to use some generator, which will use autotools-like files to
generate VS project files. But I do not know any such generator which
will support all required VS versions. If anybody know - let me know.
--
Regards,
Alexander Chemeris.
SIPez LLC.
SIP VoIP, IM and Presence Consulting
http://www.SIPez.com
tel: +1 (617) 273-4000
2007 Dec 12
1
Speex 1.2beta3 is out!
...t new to
> > windows too)
> > If anyone could point it out, I would appreciate it.
Try to use "speex_lib_get_mode(SPEEX_MODEID_WB)" call instead of
using "speex_wb_mode" directly in your code. MS is tricky about exporting
variables from DLLs.
--
Regards,
Alexander Chemeris.
SIPez LLC.
SIP VoIP, IM and Presence Consulting
http://www.SIPez.com
tel: +1 (617) 273-4000
2008 Apr 01
1
cross compilation for ARM - ogg headers problem
On 02/04/2008, Alexander Chemeris <Alexander.Chemeris at sipez.com> wrote:
> On 4/1/08, Keith Kyzivat <kkyzivat at sipez.com> wrote:
> > IIRC, under ARM, I believe I was having issues with --without-libogg.
> > I resorted to just downloading libogg sources, setting up my
> > cross-compilation en...
2007 May 29
3
Speex.lib
Hi,
Thanks! can this program generate speex.lib instead of libspeex.lib??
the OpenSpeak link to speex.lib instead of libspeex.lib
I can compiled the libspeex.lib but not speex.lib.
Correct me if I am wrong
Thanks
----- Original Message -----
From: "Alexander Chemeris" <ipse.sipx@gmail.com>
To: <alex@gorex.com.hk>
Cc: <speex-dev@xiph.org>
Sent: Tuesday, May 29, 2007 5:55 PM
Subject: Re: [Speex-dev] Speex.lib
> Hello,
>
> On 5/29/07, alex@gorex.com.hk <alex@gorex.com.hk> wrote:
>> I am compiling the OpenSpeak which...
2008 Jan 25
2
How to get size of WB frame in bits/bytes?
...encoded frame in WB mode for given quality? That is I need
to know how many bits encoded frame will occupy in RTP
packet. I see SPEEX_SUBMODE_BITS_PER_FRAME request,
but it works like this only for NB mode, and for WB mode
it return size of WB "subframe" (?) only.
--
Regards,
Alexander Chemeris.
SIPez LLC.
SIP VoIP, IM and Presence Consulting
http://www.SIPez.com
tel: +1 (617) 273-4000
2009 Jul 15
2
Speex header
Hi,
I would like to know where i can find some info about the speex header
format, if there's any.
I've seen ogg header format, but as i understand, ogg is used for
encapsulating speex in audio files. I want to know if there's any speex
header for example when i send speex data on rtp payload.
Thanks
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2009 Jul 15
1
Speex header
so, having a speex frame, how do i know where is each sample if i don't know
how many bits per sample are being used. Isn't there any info besides the
data ?
On Wed, Jul 15, 2009 at 7:21 PM, Alexander Chemeris <
Alexander.Chemeris at sipez.com> wrote:
> Hi,
>
> Speex RTP payload does not have any header (except RTP header),
> as per speex-rtp RFC.
>
> On Wed, Jul 15, 2009 at 22:14, Daniel Rosado<dsrosado at gmail.com> wrote:
> > Hi,
> >
> > I would like t...
2007 Dec 03
3
[PATCH] Add Visual Studio 2008 Prject files
...undefined" to the LDFLAGS variable like this:
>
> libspeex_la_LDFLAGS = -no-undefined @WHATEVER_WAS_THERE_BEFORE@
Which symbols will it export? I think default behaviour would be to export
all symbols, which is not good. So, is there way to pass *.def file to it?
--
Regards,
Alexander Chemeris.
SIPez LLC.
SIP VoIP, IM and Presence Consulting
http://www.SIPez.com
tel: +1 (617) 273-4000
2008 Feb 21
2
Determine number of 20ms frames in packet - without decoding
>> Oh, your table looked fine. I think it's mine that was wrong for the
>> "null mode" (which nobody ever uses I guess!).
>
> I'm not sure, but I guess it may be used in VBR or DTX mode?
> At least that's why I kept it.
Of course it *can* be used (and needs fixing). It just seems few people
did :-)
> So, what's the next step towards
2007 Nov 30
0
[PATCH] Add Visual Studio 2008 Prject files
...different versions of projects we're looking for (VC6,
VS2003, VS2005, VS2008).
It just seems ridiculous that 4 different project files have to be
maintained for one operating system, let alone the # of targets each one of
those project files needs to be customized for.
On 11/29/07, Alexander Chemeris <Alexander.Chemeris@sipez.com> wrote:
>
> On 11/28/07, Jean-Marc Valin <jean-marc.valin@usherbrooke.ca> wrote:
> > I think the amount of Windows crap is getting a bit ridiculous. Does
> > anyone know of a solution to keep things manageable? I mean, the same
> >...
2007 Dec 19
0
Fwd: math_approx.asm
...it will be easy to conditionally
turn default implementations on and off. This is done so for all asm-optimized
functions in other places of Speex.
---------- Forwarded message ----------
From: Oleg Homenko <brox42@gmail.com>
Date: Dec 19, 2007 5:58 PM
Subject: math_approx.asm
To: Alexander Chemeris <Alexander.Chemeris@sipez.com>
Hi,
Looks like something happened to my subscription to maillist, so I'm in
readonly mode...
Can U please post that file?
Keep in mind that function names are conflicting with those from
math_approx.c, so we need to organize project properly (and I'm...
2008 Apr 01
1
cross compilation for ARM - ogg headers problem
Hi,
You again include host includes in your build: -I/usr/include
You should not do this.
--
Regards,
Alexander Chemeris.
SIPez LLC.
SIP VoIP, IM and Presence Consulting
http://www.SIPez.com
tel: +1 (617) 273-4000
2008 Nov 01
1
Visual Studio 2005 projects
...this just because the vcproj file is wrong or is it because
> this #define must not be used in that mode? Just want to make
> sure I got the correct understanding.
I think it was my copy-paste error. Could you provide a patch to
add _USE_SSE to the Release SSE build?
--
Regards,
Alexander Chemeris.
SIPez LLC.
SIP VoIP, IM and Presence Consulting
http://www.SIPez.com
tel: +1 (617) 273-4000
2009 Jul 01
0
Delays estimation in Speex algorithms
...attached a patch which (IMHO)
makes it more clear for everyone who just read Doxygen
docs. Resampler latency docs wording was just ambiguous
IMO, so I made it more robust to fast reading.
On Wed, Jul 1, 2009 at 5:16 PM, Jean-Marc
Valin<jean-marc.valin at usherbrooke.ca> wrote:
> Alexander Chemeris a ?crit :
>> On Tue, Jun 30, 2009 at 4:38 AM, Jean-Marc
>> Valin<jean-marc.valin at usherbrooke.ca> wrote:
>>> Alexander Chemeris a ?crit :
>>>> 2) decoder (I guess it should be 0?)
>>> 5 ms
>>
>> Hum, interesting. So, e.g. for NB mode de...
2008 Feb 08
2
Determine number of 20ms frames in packet - without decoding
Alexander Chemeris a ?crit :
> Hi Jean-Marc,
> Is your proposition that ever this code will be written in terms
> of internal Speex bits it will be included into libspeex still in force?
yes. I'd like to include that if someone writes it using SpeexBits.
Cheers,
Jean-Marc
2009 Oct 22
1
Cross-compiling speex
...tached.
On Thu, Oct 22, 2009 at 08:31, Jean-Marc Valin
<jean-marc.valin at usherbrooke.ca> wrote:
> The way the libogg check is actually not something that's under my
> control. It's installed on the system as an autoconf .m4 file.
>
> ? ? ? ?Jean-Marc
>
> Alexander Chemeris a ?crit :
>> Hi Jean-Marc
>>
>>>From my experience with cross-compiling - IIRC, when cross-compiling
>> configure *assumes* that you have libogg unconditionally. So we had to
>> patch it to remove this check. I do not recall, whether this was somehow
>> fixed...
2007 Jan 03
1
Visual Studio project files in Speex 1.2beta
...oject.
5) move dll's to 'bin' directory, lib's to lib directory and includes to
'include/speex' directory instead of putting all together in one dir.
If this changes are wanted, I may create patches for VS2003 project
and, may be, for VS2005 and VS6.
--
Regards,
Alexander Chemeris.
2009 Jul 07
0
AEC with different soundcards
...not on *every* machine.?
I think it will not work on Vista, no mather what card you use.
Just my 2c.
--- El mar, 7/7/09, John Ridges <jridges at masque.com> escribi?:
De: John Ridges <jridges at masque.com>
Asunto: Re: [Speex-dev] AEC with different soundcards
Para: "Alexander Chemeris" <Alexander.Chemeris at sipez.com>
CC: "speex-dev at xiph.org" <speex-dev at xiph.org>
Fecha: martes, 7 julio, 2009 9:36
Measuring clock drift is a thorny problem that depends greatly on your
hardware setup and OS. In my case (Windows machines) I simply measure
how m...