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Hi I have gone through the document available in the net regarding the Vorbis encoder /Decoder. Based on that i have prepared a understanding document on the encoder/decoder block. I would like to know whether my understanding of the coder is OK. If there are any other additional block /information pl. provide me with the same. Thanks and regards S.Padmashri <HR NOSHADE> <UL>

Hey, this is Chris from Anark, and we would love to use your tools in some of our commercial applications. I wrote a compressor/decompressor and noticed that the size of the executable was rather large. This is actually going to be made into part of a project that needs to be small, i.e right now it is 2 megs total and that is far too large. The part that needs to be small 'could' only

Hello, I'm an Electrical Engineering student. I'm doing a research job about audio compressing. I'm looking for documentation about Vorbis analysis, synthesis, coding and decoding. I took a look at Xiph page documentation section, but it's not complete yet. There's this site about encoding, but i only found information about Vorbis windowing:

This is the first draft of the audio/vorbis media registration form to be handled to the IANA. PLEASE comment extensively, even minor spelling mistakes etc are to be stamped out of this I hope. A media type for application/ogg (or should it be application/oggsquish?) will be created separately. I would be very happy if someone could supply the 4-letter filetype code used by MacIntosh .ogg files.

I've made a block diagram of the encoder because I tried to find out, how it works http://stoffke.freeshell.65535.net/ogg/block.html Although there are specifiation docs, that give very detailed information about single aspects of the encoding (or decoding) , I'm missing documenations that give a more general overview, about how the encoder works. (Vorbis Illuminated seems a bit

>From looking at the code, it looks like the first vorbis header in a stream is always placed in its own page. It also looks like maybe the audio data (i.e., the stuff after the headers) is maybe also supposed to begin on a new page. Is this part of the spec? I notice, though, that the second and third headers share a page, at least in one .ogg I looked at. It seems like it would be easier

Hi all, I'm porting the Tremor code to an ARM platform. Unfortunately, we didn't use the low mem branch code for CPU performance consideration, and now I find the memory use in it is huge for the embedded system. After looking into the code, I found the header parse, especially, the codebook unpack part takes a lot of memory. Tremor decodes the codebooks to a cache to store

Hi guys, I'm facing a problems with samba4 + bind9_dlz that consuming my time for several days. Everything is working fine until samba4 need to update dns when I'm work with more than one DC server. When samba (or bind) need to reload all zones, the module bind9_dlz is shutting down and then all my environment stops and I need to restart the bind to up again. See my log: ... Jan

Mathias, Thanks for your reply. Please, try to start your bind with some debug level and run commando "rndc reload" and see the end of the log. I saw samba source code and found the destroy dns function in dlz_bind9.c and called by turture blz_bind9.c. When dlz_bind9.c is shutting down, I get this error when I try to update dns. update failed: NOTAUTH Failed nsupdate: 2

Using your log parameters, the shutting down message is not showed, but when I reload rndc a get the same effect. Everything is working fine until bond9_dlz needs to reload (and no restart) rndc. When this happens, I need to restart bind and everything works fine again. I'm starting named with named -d 3 -u named and using /var/log/messages. See log using your parameters: # rndc reload

Hello! One note/question hier about specification of control-parameters in the lme(...,control=list(...)) function call: i tried to specify tne number of iteration needed via lme(....,control=list(maxIter=..., niterEM=...,msVerbose=TRUE)) but every time i change the defualt values maxIter (e.g. maxIter=1, niterEM=0) on ones specified by me, the call returns all the iterations needed until

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

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

I have a cgi/perl program that I want to use on the same server as my RoR app and I keep getting: The page you were looking for doesn''t exist. You may have mistyped the address or the page may have moved. I load the program to the cgi-bin directory in its own folder /cgi-bin/ fump/ In the /public folder of my app I have the following .htaccess file: # General Apache options

Hi, From the vorbis decoder specification, it is clear that the decoder needs to have all the codebooks before decoding can actually begin. I will appreciate if someone can clear the following questions: 1. I guess the codebooks are derived from the actual input data. Probably the encoder may be making two passes through the input. The first pass finds out the frequency of different symbols

http://www.xiph.org/ogg/vorbis/doc/draft-moffitt-vorbis-rtp-00.txt This is the Internet-Draft I'll be submitting tomorrow and hopefully presenting at the March IETF meeting. If you see anything major, let me know right away, I'll be submitting this in the morning. jack. --- >8 ---- List archives: http://www.xiph.org/archives/ Ogg project homepage: http://www.xiph.org/ogg/ To

alpha. (that about sums it up) Will encode and play back via an sdp file and multicast on one computer (over the net if you transfer the sdp file over by hand). rc/rtenc3 and src/rtdec3 are in the style of encoder/decoder_example ...so this means you MUST edit it them to suit your system. For example, I specify my rtenc3 to multicast just on eth1 (to avoid pissing off my cable supplier on

2009/6/18 Adam Rosi-Kessel <adam at rosi-kessel.org>: > Ivo Emanuel Gon?alves wrote, on 6/18/2009 6:14 AM: >> >> On 6/18/09, Conrad Parker<conrad at metadecks.org> ?wrote: >>> >>> This sounds like it needs a new tool specifically for fixing broken >>> Ogg files. >> >> I see two solutions: >> >> 1) the new vcut which I

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

Hi, Can someone please tell me how should I go about changing the frame size which is hardcoded to 160 for NB and WB and 320 for UWB. For NB speech(8KHz) the framesize of 160 is 20ms frame but for WB and UWB its 10ms. What are the parameters being affected by simply changing the framesize and sub-frame size in "modes.c" How to change the buffer size and how its affected. can we have a