Time/Pitch Compression/Expansion - Dirac Le

hi guys, just wanted to point some attention to some great software that is available freely to any manufacturer that creates sequencers. it's time/pitch expansion/compression software and it's called Dirac...for a respectable price there's a full blown version too that offers amazing features.
let's hope that apple include this in their next release of logic pro; whenever that will be i don't know.
check it out and let's hope that Apple see this!
http://www.bernsee.com/dspdimension.com/index.html?dirac.html

It would be great to have it natively in FCP to alleviate the need to export/import which is time consuming.
By the way, it has been months at this point, but it was great to meet you Shane at NAB earlier this year in the Matrox booth. We spoke about the MXO2, which I am ordering next week. I need a solution for DVCProHD 720p24 up-conversion to HDCAM 1080i 29.97, and the MXO2 seems like a good reasonably price solution for that. My MXO has been a solid output for color correction on my 23" ACD. Much nicer than my Sony 1354q.

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Logic quits after time compression/expansion

Logic Pro 8 quits EVERY TIME after I use a time compression/expansion plug-in in the sample editor. It does not matter if I use Logic's own plug-in or if I use Serato Pitch 'n Time LE. I am currently spending all my time in core audio as opposed to DAE/TDM land. Anyone else have this issue?
Mark Miller

I used to be hard core Logic only, and then I noticed something (this may seem off topic but I'm getting around to the point). For the first time, probably about 2 or 3 years ago, Digidesign got off their laurels and realized that other software platforms were taking legitimate shots at their "industry standard."
That's when you saw instrument tracks implemented - that's when you saw better (but still far from the quality of Logic) MIDI implementation. . . that's when the Digidesign AIR group was created. . . that's when Digi added the dynamic transport, flexible track resizing, screen sets, included software instruments.
As a whole, Pro Tools still does not give you the abilities out of the box that Logic does. However, whatever gap Logic 8 closed between itself and Pro Tools with audio editing, Digi widened even further than before with the introduction of elastic time. That's when I finally realized that Pro Tools, a great editor, tracking, and mixing machine, finally realized that its throne was threatened and went to defend it. My work used to primarily take place in Logic, however, that has switched. I probably do 60-80% of my work now in PT and still use Logic for mixing and such. For whatever reason I just like it better. . . I"m sure that will change over too. All pro tools has to do is implement a Logic-esque MIDI editor and I'm not sure I'd have any reason to stay with Logic. Digi has really stepped up to the plate in a time where it has looked like Logic has stepped up, and then done nothing to stay up.
All that to say if you want good timestretching, right now PT is just about the only way to go.

HOW CAN YOU PROCESS AN AUDIO FILE IN LABVIEW?I NEED TO TIME-PITCH SCALE IT

hello guys.
can you insert an audio file into labview for further processing?i need to get an audio file (stored on my computer) and further process it for time-pitch scale.does anybody know how?any pointers will much be appreciated.
regards
alex

hi there
open the "Graphics & Sound" palette from the functions menu to use vis for reading/Writing wavefiles, search the examples shipped with LV for first steps. use the VIs in the "Analyze" functions palette to modify the data.
Best regards
chris
CL(A)Dly bending G-Force with LabVIEW
famous last words: "oh my god, it is full of stars!"

9.1.1 Time&Pitch Machine crash

Running L9.1.1 on an iMac Core Duo w/Snow Leopard 10.6.2. With or w/o plugins loaded, Time&Pitch Machine crashes out to desktop when entering numbers from either keypad or alphanumeric keys. Deleted all plists w/o change in crash behavior. Also no change after creating Empty Project w/single audio track, mono or stereo. Can't find any reports of this crash in other forums. Otherwise 9.1.1 is stable. Thanks for thoughts on this possible bug.

hmm I was fortunate not to have this in 8 or 9.0.2
but this is a definite/repeatable bug in 9.1.1 which causes crash
sample edit window
then select time and pitch or any Factory menu items
on exiting window or pressing screen set 1 key command crash happens evey time 1 track of audio no plugins
cannot work with 9.1.1 as a result
and you didnt fix screen set/display text only jumping window bug anyway, even when you said you had on release notes!!
come on apple

Using the Time & Pitch Machine

When I compared LE and LP, I noticed that LE has no pitch correction. After buying it I found that when opening up a track there is a Time & Pitch Machine. Can this be used for pitch correction? I was trying to mess with it today but my computer was not working properly so when I tried to play, no sound would come out. If I cut out individual words, could I then open that particular audio segment and adjust its pitch?

Hi,
LE does have the Enhance Pitch plugin, that I often use. It has 2 controls: how fast it responds, and what scale it uses (or chromatic). Works quite well! Much easier than the Time&Pitch machine or the Pitch Shifter plugin.
The Vocal Transformer is fun, too, by the way. Great if you need a vocal from the opposite sex, and noone's available. Just sing it and shift the pitch up/down approprialtely.
Regards,
Jaap

Does Time Machine Compress My Data?

Can I use a 160Gb external drive to back up more than 160Gb of data on my computer? Does Time Machine compress anything, or would I have to decide what to back up and what not to?

Time Machine doesn't compress anything. It is better to have a destination Time Machine hard drive that is twice the capacity of the source. Compression can lead to data corruption, or unrecoverability because the data compression engine may not have a compatible decompressor at the time of recovery.

Every time I compress a file over 1.5 Gigs it ends up corrupt any idea what the cause is?

Every time I compress a file over 1.5 Gigs it ends up corrupt any idea what the cause is?

Compression depends on repetativeness of characters within the file. If it can't map those, it won't compress. Images and programs are much harder to compress for that reason, as they both are basically binary constructs. Some image software compresses looking at common lines and points of the same color. Audio files look for the same frequency. Most video formats are already compressed to some extent except full DV.
And files with DRM get even more dicy, since you really can't bypass the DRM which itself is binary code, not to mention not allowed to be copied. This forum can't discuss such issues due to the DMCA rules. As long as it isn't copyright, what are you trying to compress?

TIME-PITCH SCALE...WHAT AM I DOING WRONG????

hello guys
i imported a wave file (mono) from my computer into labview for pitch estimation using the cepstrum algorithm (iFFT{log(abs(x))}).supposedly now the output of the cepstrum would be a clear peak showing the pitch of the signal right?why i am not getting anything like that?
i need to estimate the pitch so i can further do time-pitch scale of that signal using the TD-PSOLA algo.
i have attached my program below in LABVIEW 7 with a zip file containing a sound example.does anybody can suggest where i am wrong (obviously i am)?
any help is much appreciated
regards
alex
Attachments:
TD-PSOLA ALGO.vi ‏155 KB
44.1k.16bit.mono.wave.zip ‏460 KB

You should use the 'Sound File Read Simple.vi' to read-in the .wav file, not the 'Read from SGL File.vi'.
See the attached picture.
-Franz
Attachments:
Unbenannt.PNG ‏7 KB

HT201250 Does time machine compress the data in backup?

I have got to replace my internal hard drive so have to back up just everything to an ext drive.
When I use 'time machine' to back up to an external disk, does that disk have to be larger than the file size on my iMac?
Does Time machine compress the data?( eg will 1TB fit on a 500 gig external drive?)
Thanks

No, Time Machine doesn't compress the data. I recently started a new TIme Machine backup, and the first backup required the same amount of space as it was backing up (actually a little bit more during the backup process).

I/O error in time-pitch machine!?!

hello
am using the time-pitch machine to speed up a stereo drum track (classic mode). the time-pitch machine keeps freezing after processing approx. half of the samples and then gives me an error message: I/O error, result code = -36?
anybody got a clue?
thx, monobeat

yeah i've had these before. its probably a corrupt audio file. try saving it to a different location and then doing the processing. if it keeps cropping up on files from the same drive, start suspecting the drive.
do drive maintenence stuff quick.

Time&pitch machine error -5000

Whenever i try to use the time&pitch machine i get the following error.
Insufficient access privileges error -5000.
I therefor cannot use the time&pitch machine.
this happens with imported loops (aiff), loops created with audio instruments as well as loops recorded via external gear.
I have checked that i have 'read&write' privileges on all the audio files.
Does anyone know what this means?
Logic Pro7.1
10.4.2

The 7.1.1 update might very well resolve your issues.
7.1 has been known to break Time/Pitch action, at least in a TDM environment.
I've never had problems with Logics own Time&Pitch machine though, only 3rd party stuff.
Those problems are gone for me with 7.1.1 so hey, you never know!
If you're already running 7.1.1, just disregard this post.
ATB,
Erik

Time to compress greatly varies

I compressed a 1 1/2 project in Final Cut 5.1 using Compressor to mpg2 for DVD Studio Pro 4. The first time I compressed it took less than 1 1/2 hours. I re-edited the original to shorten it and compressed again and it is taking 5 hours. Can anyone tell me why there would be such a difference in the length to compress when all other settings are the same? Tanks

One more thing. I delete the copy of dtpad in my home directory and let it find the real one using the PATH. With HOME set to the local directory it took 0.527s to find it. With HOME set to the remote directory it took 2.139s. Same PATH in both cases. So how does $HOME fit into the $PATH search ?

Time compression / expansion

New to Logic Pro, need help. I make commercials and constantly have to time compress or expand voiceovers to fit to the donut length in the music beds. Is there an easy way to accomplish this?? These will be voice audio files, not midi files. Also how do I change the timeline in the arrange window to display minutes/seconds and/or timecode?
Thanks from a long time PT user. (12 years) and ready to make a change.
mike

There is a quick way that I use all the time.
Comp your V/O with the desired read etc.... then merge the audio files in to one.
Set the cycle area with the desired length in the donut.
Under Audio in the arrange menu.
'Adjust region length to locators' and you're done.
(set this to a key command, for fast editing)
Note: This uses the selected timestretch algorithm, that is selected in the Time Machine of the Sample editor window.
You might need to refresh your overview for that particular audio region after, as there is a redraw bug, where the audio might not look like it goes to the end of the region, when in fact it is just drawn incorrectly.

Logic Time Compression/Expansion vs. WAVES SoundShifter

I'm considering upgrading my WAVES Platinum to the Diamond, largely because of the SoundShifter plug-in. Does anybody have any experience with the WAVES SoundShifter plug-in? Is it significantly better than what is already included in Logic 8?
Thanks!
M

I used to be hard core Logic only, and then I noticed something (this may seem off topic but I'm getting around to the point). For the first time, probably about 2 or 3 years ago, Digidesign got off their laurels and realized that other software platforms were taking legitimate shots at their "industry standard."
That's when you saw instrument tracks implemented - that's when you saw better (but still far from the quality of Logic) MIDI implementation. . . that's when the Digidesign AIR group was created. . . that's when Digi added the dynamic transport, flexible track resizing, screen sets, included software instruments.
As a whole, Pro Tools still does not give you the abilities out of the box that Logic does. However, whatever gap Logic 8 closed between itself and Pro Tools with audio editing, Digi widened even further than before with the introduction of elastic time. That's when I finally realized that Pro Tools, a great editor, tracking, and mixing machine, finally realized that its throne was threatened and went to defend it. My work used to primarily take place in Logic, however, that has switched. I probably do 60-80% of my work now in PT and still use Logic for mixing and such. For whatever reason I just like it better. . . I"m sure that will change over too. All pro tools has to do is implement a Logic-esque MIDI editor and I'm not sure I'd have any reason to stay with Logic. Digi has really stepped up to the plate in a time where it has looked like Logic has stepped up, and then done nothing to stay up.
All that to say if you want good timestretching, right now PT is just about the only way to go.

Is this a bug? Time Pitch Machine Changes Gain Levels

Logic Pro 9.1.4, macpro dual quad 2.93mhz, osx 10.6.8
i'm altering the 'speed' of some of my 88.2khz aif files by a very small amount using Time and Pitch Machine, in Classic and Free modes ( -1.3% / -22cents apprx)
but to my surprise i noticed that the levels of the file dramatically drops after a process.
i expected some minr changes as its altering the length very slightly - but in the process i'm losing a great deal of level.
eg: one original file that as un-normalised has a gain of 56.41% ( - 4.94dBu aprx), has dropped after the pitch change to 27.66% (-11.16dB) !
thats a major loss of levels, and looks to be half of the original.
can somebody explain if this is a fault?

Well, the 44.1 test is just a test, you don't have to destructively convert your 88.2 files, just use 44.1 converted copies. I do agree that the drop in gain seems too much. It could well be that it is a bug related to the sample rate, so that's why I proposed the test. As for fidelity, you really do not loose much (if at all, audibly) when going from 88.2 to 44.1. Going from 24 bits to 16 bits at 88.2 will have a much greater (negative) impact then going from 88.2 to 44.1 at 24 bits.
24/44.1 is much better than 16/88.2.
Simple rule: if you can't hear the difference (test it blind! using ABXer http://emptymusic.com/software/ABXer.html
(not sure if it is SnowLeopard compatible though... my Intel Mac is unavailable right now, typing from my old PPS G4 on Leopard)
And, if you simply leave your original 88.2 files intact (use copies), you can experiment and listen without discarding your original highest resolution recordings.

Time/Pitch Compression/Expansion - Dirac Le

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