search for: 20k

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2002 Apr 03
2
low bitrate sounding better? (20k-30k)
At SxSW I ran into the Xiph gang and someone said something in passing that the new version of Ogg Vorbis would have much-improved low-bitrate quality. Wondering - true? Details? ETA? At CD Baby all lo-fi soundclips are still in the SFERA format*. At 20k bitrates, they sound GREAT which is why I stick with it, but I'd much rather switch them ALL over to OGG if there was a way to make 20k-30k sound as good as RealAudio G2 does at that bitrate. Go listen to the 20k birate clips at CD Baby. (http://www.cdbaby.com/new <--- good starting point...
2009 Oct 29
1
strsplit() and Windows file paths
There are two ways to express file paths with the Windows environment: > a=file.choose() > a [1] "C:\\Documents and Settings\\rbaer\\Desktop\\_VNT_Test\\coordFocused 20k F5 0ng Ki8751 t20.txt" and >b= paste(getwd(),"/",dir()[1],sep="") >b [1] "C:/Documents and Settings/rbaer/Desktop/_VNT_Test/coordFocused 20k F5 0ng Ki8751 t20.txt" I have 2 questions: 1. Is it possible to get file.choose() to use the forward slash rathe...
2012 Aug 25
1
Why does opus scale down frequency from 22k to 20k ?
Why does opus scale down frequency from 22k to 20k ? 64kbps<https://lh5.googleusercontent.com/-DGsEd1ijTBs/UDE3OFVrE5I/AAAAAAAADBo/bFcWQ6I4-Zk/s588/opus_64_test.png> 128kbps<https://lh3.googleusercontent.com/-3Wfvq6OPGRw/UDE3OClxEdI/AAAAAAAADBk/vsBJ9Gcd_pU/s589/opus_test.png> 192kbps<https://lh4.googleusercontent.com/-tfDAtdGM2Aw/U...
2023 Mar 26
1
Announcing r2u: 20k CRAN binaries for Ubuntu 22.04 + 20.04
...epository [1] has been providing CRAN packages as Ubuntu binaries (with *full* and *complete* dependency resolution) since last May. It is being served from a well-connect Internet2 mirror thanks to the University of Illinois making it *fast*. By relying on the bspm package [2], it can access the 20k binaries (all of CRAN, essentially, and around 240 BioConductor packages for the two most recent Ubuntu LTS releases 22.04 and 20.04) via the standard R functions such as install.packages(). Over the last few months I have provided multiple 'demos' as animated gifs showing how for example...
2013 Jan 16
3
Encoding ultrasonics
It's my understanding that the CELT layer of Opus has a maximum input sample rate of 48k, and frequencies above 20k are effectively not encoded. I've been trying to get up to speed on the specification, and studying its operation, but as far as I can infer, there is a fixed set of 21 bands distributed logarithmically to encode DC to 20k. If I were inclined to encode at say, 96k, and pass ultrasonics up to 40...
2023 Mar 26
1
Announcing r2u: 20k CRAN binaries for Ubuntu 22.04 + 20.04
On 26 March 2023 at 18:30, Dirk Eddelbuettel wrote: | Over the last few months I have provided multiple 'demos' as animated gifs | showing how for example `system.time(install.package("tinyverse"))` installs | all these packages and all their dependencies in under twenty seconds (!!). Classic typo as Josh kindly pointed out over DM:
2012 Mar 02
2
Spacing of text does not match spacing of bars in barplot
...is problem on all the graphs where I'm using text() Using Windows and version 2.14.1 X2sum <- c(42.6, 3.6, 1.8, 3.9, 12.1, 14.3, 14.6 ,28.4) X2.labels <- c("No earnings", "Less than $5000/year", "$5K to $10K" , "$10K to $15K" , "$ 15K to $20K" , "$20K to $25K" , "$25K to $30K" , "Over $30K" ) barplot(X2sum) text(1:8, par("usr")[3] - 0.5, srt = 45, adj = 1, labels =X2.labels, xpd = TRUE) Thanks, Jon -- View this message in context: http://r.789695.n4.nabble.com...
2008 Jan 31
2
speex on embedded processor
I need to shrink speex so it will fit on an embedded processor along with some other code. The chip has only 20k of ram. I have done some work with libspeex.dsp by removing references to all modes but narrow band 8000 hz (submode 3). I used the defines: FIXED_POINT, DISABLE_FLOATING_POINT_API, DISABLE_VBR. I also removed the structures for the other submodes and the functions that they called. I reduced t...
2007 Oct 29
1
Some questions about HTB
...ent 1: classid 1:100 \ htb rate 16kbit tc qdisc add dev $LOCAL_INTERFACE parent 1:100 sfq perturb 10 tc qdisc add dev $LOCAL_INTERFACE handle ffff: ingress tc filter add dev $LOCAL_INTERFACE protocol ip parent ffff: \ prio 1 u32 match ip dst $LOCAL_ADDRESS/32 \ police rate $MAX_LOCAL_RATE burst 20k drop flowid :1 # eth0 tc qdisc add dev $PUBLIC_INTERFACE root handle 2: htb default 200 tc class add dev $PUBLIC_INTERFACE parent 2: classid 2:1 \ htb rate $MAX_PUBLIC_RATE burst 20k tc class add dev $PUBLIC_INTERFACE parent 2: classid 2:200 \ htb rate 16kbit tc qdisc add dev $...
2009 Aug 13
2
need technique for speeding up R dataframe individual element insertion (no deletion though)
Hi fellas, I am working on a dataframe cam and it involves comparison within the 2 columns - t1 and t2 on about 20K rows and 14 columns. ### cap = cam; # this doesn't take long. ~1 secs. for( i in 1:length(cam$end_date)) { x1=strptime(cam$end_date[i], "%d/%m/%Y"); x2=strptime(cam$end_date[i+1], "%d/%m/%Y"); t1= cam$vol[i]; t2= cam$vol[i+1]; if(!is.na(x2) &&a...
2007 Mar 09
1
samba reporting wrong space
...ox. i connect to a share using cifs and when i then run df -h, i get the following ahuemer@xeon distfiles % df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 34G 31G 3.3G 91% / udev 759M 2.8M 756M 1% /dev shm 759M 20K 759M 1% /dev/shm //axp/export 226E -240E 456E - /mnt/axp ahuemer@xeon distfiles % which would be great indeed (except the minus of course...), but that's simply totally wrong. when connecting with smbfs i get ahuemer@xeon ~ % df -h Filesystem Size Used Avail...
2008 Apr 03
1
getting serial anovas from a complex lm object obtained with a matrix of responses
I have fit a model to ~20k different genes and would now like to extract the p-val for one of the effects, again for each individual gene. My model code is: mod <- lm(myResponseMatrix~ Time) Were I to do this with a response vector rather than matrix, the following would work: anovaResult<- anova(mod) With a more co...
2018 Nov 07
4
Avoiding constant HDD access
...is testing websites, no unused software or services installed or even running because the system is running on a micro-sd card iwas tempted more than once move "/var/lib/samba/private/msg.sock/" and "/var/lib/samba/lock/msg.lock/" in a tmpfs but that won't solve the issue 20K -rw-r--r-- 1 root root 20K 2018-11-07 12:16 printer_list.tdb 16K -rw-r--r-- 1 root root 16K 2018-11-07 12:16 serverid.tdb [root at nfs:~]$ backup-nfs.sh sending incremental file list sending incremental file list sending incremental file list sending incremental file list deleting samba/lock/ms...
2008 Feb 01
1
speex on embedded processor
...ld instead be allocated on > the stack, but that's about as far as you can shrink things. > > Cheers, > > Jean-Marc > > Peter Ruckle a ?crit : >> I need to shrink speex so it will fit on an embedded processor along >> with some other code. The chip has only 20k of ram. I have done >> some work with libspeex.dsp by removing references to all modes but >> narrow band 8000 hz (submode 3). I used the defines: FIXED_POINT, >> DISABLE_FLOATING_POINT_API, DISABLE_VBR. I also removed the >> structures for the other submodes and the func...
2004 Nov 17
4
Help with prioritizing internet Cafe Terminals
Hi All, I am new to tc so please forgive me. I have read as much documentation as I can get my hands on, but I still have problems with getting the rules right. Here is my scenario: Internet Cafe/Office 4 Internet Cafe Terminals 3 Office Terminals Leased Line connectivity at 64Kbps. What I would like to have: All Cafe terminals have priority to the internet over the office machines. Each
2010 Sep 10
11
Large directory performance
We have been struggling with our Lustre performance for some time now especially with large directories. I recently did some informal benchmarking (on a live system so I know results are not scientifically valid) and noticed a huge drop in performance of reads(stat operations) past 20k files in a single directory. I''m using bonnie++, disabling IO testing (-s 0) and just creating, reading, and deleting 40kb files in a single directory. I''ve done this on for directory sizes of 2,000 to 40,000 files. Create performance is a flat line of ~150 files/sec across the bo...
2004 Nov 18
5
burst question
This is one of my test classes: class htb 1:10 parent 1:1 prio 0 quantum 2048 rate 160Kbit ceil 400Kbit burst 1803b/8 mpu 0b cburst 2111b/8 mpu 0b level 0 Q1: where does "level 0" stand for? Q2: where does this b/8 stand for? Q3: this is on a i386 platform, so timer resolution should be 10mS. According to the doc the minimal burst should be 10mS*160Kbit=1600. Why is it 1803? Q4: I
2005 Jun 02
3
merge large matrices
Dear List I have two large matrices A and B. Both have the same dimensions, let's say 20k x 30k. About half the cells of B are missing. Now I'm looking for an efficient way to merge them, so that the missing values in B are replaced by the corresponding values of A. Matrix A [,1] [,2] [,3] [1,] 1 2 3 [2,] 4 5 6 merged with Matrix B [,1] [,2] [,3] [1,] 10 NA NA [2,] NA 50 60...
2011 Aug 09
3
OT?
...stream ISP's mail program started refusing to talk to me because of the very high rate of mail, error 451. I disabled the compromised account. I then changed the postfix settings to deliver mail directly and flushed the mail queue. This resulted in spam being sent out. There were about 20K mails in the queue. I don't know how I might have handled this better, I would have preferred to not send the spam, but the volume was large and the labour of sorting out spam from legit email was prohibitive. Advice? A better list for this issue perhaps? Dave -- "It is no measur...
2010 Jun 02
2
File permissions
...errors. Here's the smb.conf section: [Apps] path=/home/apps force user=appsuser force group=appsuser read only=no writeable=yes oplocks = False level2 oplocks = False Directory looks like this: drwxrwxr-x 94 appsuser appsuser 20K 2010-06-02 14:32 apps Files inside of it have permissions similar to these: -rwxr-xr-x 1 appsuser appsuser 424K 2009-10-01 15:54 AAUTOLN.DLL -rwxr-xr-x 1 appsuser appsuser 894 2008-07-23 08:37 Accounting.HSICTB Any clues?