similar to: Question about changing default metric for codebooks

Displaying 20 results from an estimated 1000 matches similar to: "Question about changing default metric for codebooks"

2016 Jan 31
2
Shipping development files for mingw32
Hi, Is is possible to ship development files for MinGW32 like static libs and headers? I am particularly interested in libvorbisfile required to build Wesnoth on Windows. SDL2 provides a convenient distribution that I unpack and it works: https://www.libsdl.org/projects/SDL_mixer/release/SDL2_mixer-devel-2.0.1-mingw.tar.gz https://www.libsdl.org/projects/SDL_mixer/ But I can't find where I
2015 Jul 12
0
Question about changing default metric for codebooks
Tony Rodriguez wrote: > I wanted to try improving the compression efficiency of libvorbis by > specifying a new metric used in generating the codebooks. Vorbis is history; Opus is the future. You might, instead, like to improve Opus. Regards, Martin -- Martin J Leese E-mail: martin.leese stanfordalumni.org Web: http://members.tripod.com/martin_leese/
2016 Jan 31
0
Shipping development files for mingw32
On Sun, Jan 31, 2016 at 11:25 AM, anatoly techtonik <techtonik at gmail.com> wrote: > Hi, > > Is is possible to ship development files for MinGW32 > like static libs and headers? I am particularly interested > in libvorbisfile required to build Wesnoth on Windows. > SDL2 provides a convenient distribution that I unpack > and it works: > >
2014 Jul 27
1
libtheora-1.1.1 and SDL2 support.
Are there any plans to implement SDL2 support for libtheora? I've searched the internet for patches and I couldn't really find anything. I modified some of the files in libtheora-1.1.1 to use the SDL2 library instead of the SDL library. I'm pretty sure I did it wrong though. It compiles successfully. I was hoping someone else had done something similarly so I could compare my
2000 Nov 17
1
Floor codebooks vs. Residue codebooks
Hi, Please brace yourselves for some possibly stupid questions. Why are there only 2 codebooks for floors and many more for residue values? What makes the encoding of floor values fundamentally different from encoding residue values? I have a basic understanding of VQ, and looking at the floor decode function, it all makes sense 1) Read the codebook index from the stream 2) Do a
1995 Nov 14
1
Vorbis Codebooks
Hello, Vorbis uses codebooks, for example to do vectorquantization and huffman-encoding. My question is - are all these codebook dynamicly generated ("trained") or are there also static codebooks used ? If yes, what specific tasks are these 2 types used for, during encoding ? Thanks Stoffke <p>--- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project
2009 Aug 16
1
VQ and Huffman codebooks creation
Hello, I'd like to know in detail how does the creation of VQ and Huffman codebooks work in Vorbis. I've used the source code from *encoder_example* as guide, but the only reference I've found is the function *_make_words *inside * vorbis_book_init_encode*, which creates the Huffman tree if I'm not wrong. So I have two doubts. The first is that, for creating the Huffman tree (and
2006 Feb 20
3
Huge VQ codebooks
Hi, Does anybody know how codebooks are generated in OggVorbis encoder? We are porting oggorbis encoder on embedded platform for which VQ codebook memory is hugeeee to imagine. How can we reduce that? Can we do VQ with less codebooks and if yes how? If any help available? Parul Embedded Engineer Einfochips Ltd
2015 Feb 26
2
Vorbis I spec errata: single entry codebooks
The following has been committed to the Vorbis I spec as of r19445: Errata 20150226: Single entry codebooks A ?single-entry codebook? is a codebook with one active codeword entry. A single-entry codebook may be either a fully populated codebook with only one declared entry, or a sparse codebook with only one entry marked used. The Vorbis I spec provides no means to specify a codeword length of
2000 Dec 17
3
what script or command makes the codebooks?
Pardon my ignorance or laziness (as the case may turn out), but is there documentation or a script/Makefile somewhere that describes exactly how the current codebooks were produced? (I mean, the exact arguments, as opposed to "in general") Are the (exact) training data sets available somewhere? Thanks, --Mike -- [O]ne of the features of the Internet [...] is that small groups of
2003 Jun 30
2
Problem with decoding number of codebooks
Hello, I'm trying to write a Vorbis decoder (just as a hobby) but I've got a problem with reading the setup header. According to the Vorbis documentation the first data that should be read after the initial 'vorbis' string is an eight bit integer which when incremented by one, contains the number of codebooks in the header. My problem is that whenever I read this number it seems
2003 Jun 13
2
Trouble decoding number of codebooks
I'm having trouble decoding the number of codebooks out of an ogg file, and was wondering if anyone here could lend a hand? I read in the sync pattern, and I think the codebook dimensions properly, but when I try and read in the number of codebook entries, I get a number larger than the number of bytes in the file, which I have to assume is wrong :) Anyway this is how I read in the numbers :
2005 Jan 23
1
codebooks / codewords
hello, does anybody know whether the codewords have a special meaning? whether they have a different influence like the quantization matriy in jpeg? e.g. do lower or the first entries have a greater influence than the last or higher codewords? thanks gerald
2006 Dec 01
2
mirroring a loop device across an ssh connection
all, I've been looking into a secure way of accessing a remote loopback encrypted partition securely via openssh. The basic idea I have currently is that a file/partition is connected to /dev/loop0 on a remote server, which I have an ssh connection to. I hold the key (for cryptsetup via dm_crypt) on the local client. I'd like to mirror the loop device of the server on the client.
2006 Aug 30
0
Problem with decoding number of codebooks
Hi Did you abandon the project "mp3 workshop"? Thanks in advance -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.xiph.org/pipermail/vorbis/attachments/20060827/b1fa265d/attachment.htm
2000 Nov 09
3
Vorbis packet #3, codebooks and their large size
Hi, Am I correct in understanding that the codebooks are *not* adaptive during compression? I see that Packet #3 is written to the stream in the beginning of the encode process with no modification. If the codebooks are not adaptive, then why are codebooks included in the stream at all? Why not pass the mode type (A or B or C...) instead of all the mode info and let the decoder load it's
2000 Dec 19
0
what script or command makes the codebooks? (fwd)
---------- Forwarded message ---------- Date: Mon, 18 Dec 2000 15:50:05 -0500 (EST) From: Erik Kruus <kruus@on2.com> Reply-To: vorbis-dev@xiph.org To: vorbis-dev@xiph.org Subject: Re: [vorbis-dev] what script or command makes the codebooks? I've been through the entire vq table process during the last week. Some folks have already suffered through listening to .ogg files encoded with a
2004 Sep 10
1
Fwd: Re: FLAC/assert.h overwrites /usr/include/assert.h?
problem solved... sort of. not sure why 1.0.2 should be any different except for the different versions of automake/libtool I used to build the source release. --- Kyle Sallee <cromwell@kublai.com> wrote: > Date: Wed, 10 Jul 2002 19:41:27 -0400 (EDT) > From: Kyle Sallee <cromwell@kublai.com> > To: Josh Coalson <xflac@yahoo.com> > Subject: Re: Fwd: Re: [Flac-dev]
2017 Apr 03
3
battery not installed, but battery still 100% and NUT 2.7.2-4 does not catch this and report a error
On Mon, 3 Apr 2017, Gene Heskett wrote: >>> Nut, IIRC, can do a periodic battery test by putting it offline, >>> using the battery, for a predetermined length of time, weekly, >>> monthly etc, >> >> We definitely don't want that in this instance either! > > Why not? If the battery has a holdup time of 5 minutes when its fresh, Because in this
2012 May 24
1
modifying some package code
Greetings, I am working on modifying some code from the nlme package. I have had many discussions on the mixed models mailing list and have been directed to simply 'hack' the source code to have the degrees of freedom generated by one function to use in the output of another function that doesn't generate them. My current holdup is an error regarding a .c file called