search for: chemeris

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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 W...
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 env...
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 -------------- next part -------------- An HTML attachment was scrubbed... URL:
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 to...
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 > > a...
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 del...
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 ma...