search for: hoen

Displaying 20 results from an estimated 29 matches for "hoen".

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2013 Jul 26
4
Some listening test results
...of results can be downloaded here <http://trac.tools.ietf.org/wg/codec/trac/wiki/TestingResults> http://trac.tools.ietf.org/wg/codec/trac/wiki/TestingResults More will be added soon. Thanks to Patrick Schreiner and Alfons Martin, who did the tests. With best regards, Christian Hoene Symonics GmbH Sand 13 72076 T?bingen Tel +49 7071 5681302 Fax +49 7071 5681309 Email: <mailto:christian.hoene at symonics.com> christian.hoene at symonics.com Gesch?ftsf?hrer/Presidents: Michael Haun, Dr. Christian Hoene, Patrick Schreiner Sitz der Gesellschaft/Place...
2016 Jun 10
0
Patches for adding 120 ms encoding
...s the only reason to have larger frames is on bandwidth limited links having a gross (physical) bit rates of 10kbps per channel. Decades ago I calculated with figure (for AMR-NB but the same holds for Opus). https://www.tkn.tu-berlin.de/fileadmin/fg112/Hard_Software_Components/Software/hoene_07_2004_paper.pdf Von: Felicia Lim [mailto:flim at google.com] Gesendet: Freitag, 10. Juni 2016 16:59 An: Christian Hoene <christian.hoene at symonics.com> Betreff: Re: [opus] Patches for adding 120 ms encoding Yes, that's right. In that case, a longer frame size means that we c...
2013 Oct 04
1
ODG (Objective Difference Grade) scores for Opus Encoder using PQEvalAudio Tool
Hi Rhishi, PQevalaudio is very unreliable and buggy. I have compared to PEAQ and - as a result - now I am not using it anymore. With best regards, Christian Hoene Von: opus-bounces at xiph.org [mailto:opus-bounces at xiph.org] Im Auftrag von Rhishikesh Agashe Gesendet: Freitag, 4. Oktober 2013 12:35 An: opus at xiph.org Cc: Rasmi Mishra Betreff: [opus] ODG (Objective Difference Grade) scores for Opus Encoder using PQEvalAudio Tool Hi, I check...
2016 Jun 02
3
Patches for adding 120 ms encoding
On 06/01/2016 02:06 PM, Felicia Lim wrote: > That was my intention with refactoring out the subframe encoding and > repacketizing bit. Or do you mean I should merge the explicit check for > 120 ms frame and the existing checks for 40/60 ms wideband? What I mean is that this line in opus_encoder.c: if (frame_size > st->Fs/50 && (st->mode == MODE_CELT_ONLY ||
2013 Oct 04
3
ODG (Objective Difference Grade) scores for Opus Encoder using PQEvalAudio Tool
Hi, I checked the ODG (Objective Difference Grade) scores for a few reference vectors using the PQEvalAudio Tool and found that some of them show ODG scores as high as -3.5 If we look at the range as described in the link below, it looks unacceptable. http://www-mmsp.ece.mcgill.ca/documents/Software/Packages/AFsp/PQevalAudio.html Am I missing something or are these scores valid? Thanks and
2013 Sep 05
2
Enquiry into .Opus Audio Quality
2013 Dec 17
2
1.1 Much slower on Raspberry Pi
...compiling. I am not a deb expert but it seemed like the only optimisation they were using was -O2 but perhaps there is something else set. Do not want to claim a regression when it may be my own fault. Thanks for your response. Best Regards, Stuart Marsden On 17 December 2013 11:04, Christian Hoene <christian.hoene at symonics.com>wrote: > Hi Stuart, > > > > you are compressing it at 6kbit/s. Then, then SILK mode is probability > used and the Silk mode is much faster than CELT. Do you also some figures > at 64kbit/s? > > > > It is strange that Opus 1.1...
2013 Oct 04
0
ODG (Objective Difference Grade) scores for Opus Encoder using PQEvalAudio Tool
In that case, can you please suggest a reliable tool? Thanks, Rhishi From: Christian Hoene [mailto:christian.hoene at symonics.com] Sent: Friday, October 04, 2013 17:30 To: Rhishikesh Agashe; opus at xiph.org Cc: Rasmi Mishra Subject: AW: [opus] ODG (Objective Difference Grade) scores for Opus Encoder using PQEvalAudio Tool Hi Rhishi, PQevalaudio is very unreliable and buggy. I have c...
2013 Dec 17
0
1.1 Much slower on Raspberry Pi
...ill adjust in audacity and try the > comparison again. > > Stuart > > Best Regards, > > Stuart Marsden > > Tactical Communications Consultant > FinMars Consulting Ltd > UK: +441865589833 > Finland: +358453046287 > > > On 17 December 2013 16:53, Christian Hoene <christian.hoene at symonics.com>wrote: > >> Hi Stuart, >> >> >> >> what happens if you do the tests with complexity 0? >> >> >> >> With best regards, >> >> >> >> Christian >> >> >> >> &g...
2006 Sep 18
0
Question on apply() with more information...
>From: =?ISO646-US?Q?Gunther_H=3Fning?= <gunther.hoening at ukmainz.de> >Date: 2006/09/18 Mon AM 06:26:25 CDT >To: 'Petr Pikal' <petr.pikal at precheza.cz> >Cc: r-help at stat.math.ethz.ch >Subject: Re: [R] Question on apply() with more information... I think you want something like below but it probably needs some fixing...
2006 Jul 28
1
Calculate x-values from a spline
..., 0.8822222, 0.7983333, 0.8220000, 0.8151515) as weights f <- smooth.spline(x,y,w) Now I have y-values and want to calculate the x-value(s) from this spline. There is no further limitation to the spline, like monotonicity or anything else.. Does anyone know how to do this ? Gunther gunther.hoening at ukmainz.de
2009 Oct 22
1
Can't figure you why I am getting deliver_from == Nil Using EmailSpec
...<TMail::StringPort:id=0x7342b8a> bodyport=#<TMail::StringPort:id=0x733f598>> to deliver from "mytest Classroom 42 : Janet Teacher1 <myemail at this.com>", but it delievered from nil Any insight you can provide would be greatly appreciated. Best, Tom Tom Hoen edgevale/interactive thoen at edgevaleinteractive.com ClassroomParent thoen at classroomparent.com 410-215-0905 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://rubyforge.org/pipermail/rspec-users/attachments/20091022/576a15c5/attachment.html>
2013 Jul 26
0
Some listening test results
On 07/26/2013 10:36 AM, Christian Hoene wrote: > Hi, > > a first set of results can be downloaded here > > http://trac.tools.ietf.org/wg/codec/trac/wiki/TestingResults > > More will be added soon. > > Thanks to Patrick Schreiner and Alfons Martin, who did the tests. > > > > With best regards, >...
2016 Apr 19
0
Channel Mapping Family for Ambisonics
...gt; Thanks for your input, > Michael Graczyk > _______________________________________________ > opus mailing list > opus at xiph.org > http://lists.xiph.org/mailman/listinfo/opus -- Symonics GmbH Geierweg 25 72144 Dußlingen Tel +49 7072 8006100 Fax +49 7072 8006109 Email: christian.hoene at symonics.com Geschäftsführer/President: Dr. Christian Hoene Sitz der Gesellschaft/Place of Business: Tübingen Registereintrag/Commercial Register: Amtsgericht Stuttgart, HRB 739918
2016 Apr 18
5
Channel Mapping Family for Ambisonics
Hello, We (Google) have been experimenting with configuration and adjustments to CELT-only Opus that give good results for compressing ambisonic audio signals [1]. Based on our results so far, we would like to use Opus to encode spatial audio. We hope to make it easy/possible to use libopus with other common tools and software modules (ffmpeg/libav in particular). Based on my reading of the
2009 Jan 09
6
Accessing request.host in UserMailer
I am using subdomains in my application to control context. Therefor, during user registration, password reset, and other actions that require an email to be sent with a link to be clicked, I need to ensure that the subdomain appropriate for the user is used. It seems I need to be able to access request.host from within an ActionMailer model. But I am not clear how to do this. Any help would be
2013 Jul 26
0
[codec] Some listening test results
..."it's much lower than people think", and "approaching the rates seen on wired networks" - though of course it's much more likely to be bursty when errors do occur, and going to vary widely by locale. Cheers, Ron On Fri, Jul 26, 2013 at 04:36:36PM +0200, Christian Hoene wrote: > Hi, > > a first set of results can be downloaded here > > <http://trac.tools.ietf.org/wg/codec/trac/wiki/TestingResults> > http://trac.tools.ietf.org/wg/codec/trac/wiki/TestingResults > > More will be added soon. > Thanks to Patrick Schreiner and Alfon...
2007 Jun 08
4
match rows of data frame
Hi R-experts, I have a data frame (A) , and a subset (B) of this data frame. I am trying to create a new data frame which gives me all the rows of B, plus the 5th next row(occuring in A). I have used the below code, but it gives me all 5 rows after the matching row. I only want the 5th. FiveDaysLater <- A[c(sapply(match(rownames(B),rownames(A)), seq, length=6))),] Any guidance much
2013 Dec 16
4
1.1 Much slower on Raspberry Pi
I have just started trying Opus with a view to using it in a project. I am interested in embedded hardware and tried it on the Raspberry Pi using the raspbian distro. The version of libopus in the repos is 0.9.14. I installed this and tried encoding 2 minutes of speech from a librevox recording. It managed this at a respectable pace for complexity 10: Skipping chunk of type "LIST",
2011 Nov 17
3
Opus for audiobooks etc
...nly 22.5 ms latency, and the SILK modes do a great job at the opposite of the bitrate spectrum and can make use of larger frame sizes for those of use who don't care about latency. Inbetween the two, the hybrid mode appears to do better than other codecs with similar latency- but Christian Hoene's results showed it losing pretty convincingly to AMR-WB+ (which was able to use 4x larger frame sizes) at 32kbps. (How much of this was due to the test being stereo, I wonder? Some mono tests seem to have given 32kbps Opus rather high marks.) For audiobook use, I don't know that the S...