How do i sync h4n audio to my video

I work for the YMCA and we recently purchased a ZOOM H4N digital recorder to use in conjucting with my Canon t2i for video recording. I also use a Sennheiser lapel kit.
Basically I found a way to use Match Audio where it blends the audio from the t2i with the Zoom, but is there a way to automatically sync my audio file with the the camera audio file, but only use the audio from the ZOOM H4N?
Thanks for any help you can give!

You use the sync clips function to sync the audio and video, and in the inspector's audio tab switch off the audio from the camera.

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How do I sync a audio recording with video?

Hi,
I recorded a concert using my DSLR and a separate sound recorder. What is the easiest way to sync these two up in PE10? I had hoped that at the least I could compare the wave files of both the original recording on the camera with the separate recording. But PE10 only shows the wave file of the recording from the camera. The wav file from the recorder is just shown as a green bar. Any ideas?
cheers
bill

First, what is the file format, and its specs. for the remote recorder?
Though the rates of modern cameras and digital recorders SHOULD match 100%, in the real-world, they seldom do. This make perfect syncing a labor intensive process.
One should do tests between the cameras and the recorders, to find out the % or error. Then, adjust their Audio to match first. As an example, one user in the PrPro Forum tested his Panasonic cameras, and his Zoom recorders, and found that the Zooms were off by 0.04% constantly. To correct this, he used the Time Remapping (with Maintain Pitch checked), and would apply that adjustment to all of the Zooms' files - perfect sync.
As for the Waveform not displaying for your remote recorder, did you allow those files to completely Conform (creation of the CFA and PEK files, the latter is the Waveform Display)? See this article: http://forums.adobe.com/thread/726693?tstart=30
Also, you should be able to increase the vertical zoom of your Audio Tracks, and hence any Clips on them, by hovering the Cursor over the junction between Tracks, in the Track Header, and when it turns into a = sign, with up/down arrows, click+drag. Then, you should be able to find commonality in the beginning, to sync up to. Tip: for this critical work, toggle the Snap feature OFF, with the S key.
Good luck,
Hunt

I have a movie in IMOVIE.I also have a separate audio recording that I've added to my project .The two recordings were started at different times. How do I sync the audio to the video. Thanks

Question is in subject line thanks

Hello Thanks for your replys and sorry for being so fussy about this.
I have now seen that one of the options for exporting from Premiere 6.5 is Adobe MPEG encoder. So Do you guys think it would be a good idea to do it with that, Or Would it be better AVI or DV AVI compressor from Premiere before making the DVD?
I have the Nero Vision 4.9.6.6 But I may be able to look for another one if you think it is better...
Thanks a lot for your advises...

How do i sync an audio book that i purchased in Itunes to my Iphone? It shows up in Itunes but not on my Iphone podcasts., How do i sync an audio book that i purchased in Itunes to my Iphone? It shows up in Itunes but not on my Iphone podcasts.

How do i sync an audio book that i purchased in Itunes to my Iphone? It shows up in Itunes but not on my Iphone podcasts., How do i sync an audio book that i purchased in Itunes to my Iphone? It shows up in Itunes but not on my Iphone podcasts.

If it's an Audiobook, then it's probably in the Audiobook section of your iPhone. Have you set your iTunes to Sync Audiobooks with your iPhone?
Alternatively, if the Audiobook was imported into your iTunes Library as as Music, then it's going to be in the Music section of your iPhone. If so, then it will be in the Music section of your iTunes Library. To move it to the Audiobooks section, select it in the Library and choose File/Get Info/Options>Media Kind where you can change it.
You can change it to a Podcast, but since something is only a Podcast if it is delivered to your iTunes as a Podcast download (which is a process for delivering files without you having to go and find them), then your audiobook is not a Podcast and you may forget (in the future) how you obtained the book in the first place

How do I take the audio from a video and divide it into separate songs

How do I take the audio from a video file and divide it into separate audio songs? I then want to export those songs into itunes.

http://www.bulletsandbones.com/GB/GBFAQ.html#exportsections
(Let the page FULLY load. The link to your answer is at the top of your screen)

How do you sync two audio clips without a clapper board?

... so the cameras had to be well back to catch the whole shot, and to catch the sound, we used a separate audio recorder closer to the performers.
In hindsight, I suppose we could have used a clapper board but if the board was close to the recorder, it would be hard to see... and if it was closer to the cameras, it would be hard to hear the clap on the recorder.
now the question is how to perfectly sync the better audio from the recorder with the lesser audio from the cameras (then delete the lesser audio)
so far, its not quite right and their lips are off like an old Japanese Sci Fi Movie. Is there any way to move one track frame by frame over the other to get it right? (some sort of keyboard command?)
OR is there some sort of app that someone wrote that could overlay the the good audio with the reference audio and sort of "snap it" into position? The waveforms look similar aside from the quality and strength of the signals.

Rob, Andy
just wanted to revisit this post. Were onto something great here!
so to update us, I DL'ed "PluralEyes" but it didn't work. Each time I pointed it at the program file, it shut itself down. I tried rebooting the whole machine, trashing preferences etc but it wouldn't work.
the developers were great! got back to me asap. I sent the crash reports and the file I was working on and they discovered a "huge bug"
Today, they emailed me a link to a FIX which be included in their next version but they allowed me to try it today and guess what? it FIXED it!
So I started the app and let it run (its over 2 hr program) the app ran for like an hour and put out two new sequences, "unsynced" and "synced"
but i have some questions;
there were two cameras and a separate audio recorder.
in "synced" it lined up the recorder audio with the camera 1 audio but it pushed camera 2 and its audio to the side (further down the timeline)
of course, what we want is for camera 2 to also be synced (or sunk;-) so when we cut between cameras, the lips are still in sync.
now how do we get it to line up camera 2?
screen shot.
in the "synced" sequence, we need to sync camera 2 with camera 1.
also, it has left out much of the program in the "synced sequence" there are actually three tapes from each camera. you can see here that we are left with one tape from each camera.
what do we do from here?
also, before moving anything around, I can link the tracks but that doesnt stop them from getting out of sync. and locking the tracks means they cannot be moved. so how do you attach the audio to video without getting out of sync?
.... In the "good ol days" (so Ive heard) editors had years and years to master their craft. Film & Splicing were in power for like what? 75 years?
Now there are new programs emerging every day with entirely their own learning curve! But if this works just this once, its well worth buying it! its a fantastic app! Im sure it just takes some getting used to!

Syncing multi audio clips to video

I need to sync multiple audio clips with a video clip. I have footage that was shot that had multiple people in the scene so multiple mics boom etc. However whenever I select the video clip and the 4 audio clips and click syncronize clips it only syncronizes one audio with the clip?
How do I get all the audio clips synced with the video clip?

DJ Duke wrote:
Yeah, I did open the sync clip and the audio files are there ( in a different unique sync timeline), but that doesn't help because I need top open them in the regular timeline I use for editing the project and opnly one audio file shows up.
Any suggestions how to fix this or work around?
This is the way it works. The synchronized clip is a compound clip. You add it to your timeline. If necessary, you can open it by double-clicking it in the timeline, make the necessary edits, and hit the back button (the little triangle at the top left of the timeline) to return to the project timeline.
If you do not want it collapsed that way, but you rather insist on seeing all the connected audio clips directly in your project, then you have two options:
1) select the compound clip in the timeline and choose "Clip->Break Apart Clip Items"
or
2) open the compound clip, select everything, copy; and then paste wherever you want it in your project.

Work flow for syncing separate Audio files with Video files in FCP

It may be too late for me to use this workflow that I want with my current project, but I need to figure out what it is anyway for future reference.
Right now I'm editing a movie which is near completion. When we recorded the movie, the camera's deck recorded reference audio from the sound guy at 48k @ 16bit. This audio also went through an additional set of preamps which added a small amount of noise. So we don't want to use the reference audio because of it's low resolution and less clean audio. The sound guy recorded straight to his deck at 48k @ 24bit, besides the better resolution, his audio is noticeably better.
The camera deck and 'clapper' (I think that's what you call it) were not connected or synced. So the video files and the soundsguy's audio files are slightly different lengths, but at least have a 'clap sound' to manually sync to. And I don't mean that the audio and video files won't play in sync with each other, I mean that the soundguy always started recording before the camera, so his audio files have slightly different start and stop times.
Could I have synced the audio files with the video files before I started editing this project? If so, could it have been in the way that the soundguy's audio would be connected to my video files while editing? What would that procedure have been?
My current workflow right now is I have my finished sequence, I change the bit rate to 24 in Sequence Settings, and start manually dragging the soundguy's files to the sequence for every little edited clip. This is going to take forever, there are 99 scenes in this movie. Anyway, at the end of the day these sequences are exported as .omf files and imported into Pro Tools for audio post production.
I was not thinking to figure this out before I started editing the movie, this is unfortunate, a newb move in a decent production.
Anyway, I don't know if there is a standard for this situation or if I just opened up a can of worms for many possible workflows. Please comment if you have experience in this area or please refer me to any reading material.
Thanks for your time!
-Monty

The normal workflow (besides manually syncing up before editing!)
is to have ' some ' way of auto syncing the clips.
So you must have common timecode.
With external audio, you can slave the cam's TC to the TC output of the BWF recorder.
Then you can use BWF / QT merge (one of my apps) to sync them, or use Sync 'n Link.
(another third party application)
If it is not possible cause you're shooting with a cam without a TC input, you can record the TC output on one of the audio tracks of your cam, and use FCPauxTC reader to decode the beeps and translate that to QT TC, and again use the former tricks to sync them.
It is difficult when you have never done it, but very easy once you get the hang of it, and it saves a huge amount of time to do it right from the start.
Have a look at the FCP aux TC reader here:
http://www.videotoolshed.com/?page=products&pID=26
Sync 'n Link can be found here:
http://www.assistedediting.com/Sync-N-Link/
/// disclaimer, i AM the owner of Videotoolshed, and i WILL (at least try) to make money on it. ///
/// i do NOT have any relation with AssistedEditing.com, besides friendship with the owner. ///

How to Set Left/right audio channel while Video playback

how can I controlling the left / right audio channel while video playback, I can't find any method or class for this in JMF, anyone that can direct me how to do it?

The way I found to control two stereo channel is to implement a plug-in Effect that will control two volumes (left/right) indipandently.
You can start from the example GainEffect from sun, and implement your control.
For eample, if you want to mute the left channel, simply set to 0 all the odd samples (or even...I don't remember exactly, try it).
You have then to add you plug in to the processor chain... again see the examples.
More complex effects (panning etc) can be done in the same way, but it seems to me that it's quite CPU intensive.
Bye
Marco

How do I mute the audio of a video clip in PS 6

I have video clips on several layers in the timeline and want to mute the audio of specific video clips - they are on video lines, not the audio line

an interesting development as I proceed with the video. I guess I'm missing an integral concept here. It appears that some of my cideo clips import into the project and the segments have a blue color. These offer an option to fade in or out the audio, to mute the audio or adjust the volume.
Other vidoe clips import purple, like the still image files, and hence these do not offer any audio options, just motion objects.
So, what am I doing wrong? Why do some video clips import (purple) as image files?

How do I sync multiple audio clips to one video clip?

I have video (with stereo audio from a camera mic), and for each take, there are also four additional mono audio tracks that line up with it. It was footage shot outdoors in the city, so I guess the filmmakers just wanted to have as many options for sound mixing as possible given how much background noise there would be. I have tried selecting the video clip and the four audio clips at once and selecting "synchronize clips," but it doesn't work. It spits out a synchronized clip that seems to have converted two of the mono tracks into one stereo track... and then disregarded the remaining two mono tracks. It's a mess. It's likely someone else will fine tune the audio once I'm done cutting the video together... but I'd like to get all the audio tracks properly synced from the start. Thanks for any help you can offer.

Do you mean manual syncing? I've been reading this thread about workaround, which aren't working for me: http://forums.creativecow.net/thread/344/21236
But the question they are asking is the same one I am asking. Isn't this a typical situation, having multiple mics for one camera? For example, if someone filmed a concert with one camera but used both the camera audio, and ambient mic, and a mix from the board, then that would be 3 audio tracks with 1 video track. I'm in a similar situation, and I'm finding it hard to believe that FCPX isn't equipped to edit this way. There must be some way to get one video clip (with reference audio) to sync with four audio tracks.

How can I sync with audio framerate?

I hope that there is an entirely different way of doing what I'm trying to do because I've run up against what seems like an insurmountable obstacle. I have been working on a project for many months and the last piece to figure out is synchronizing application actions with the audio framerate. I have seen other apps doing this successfully (but proabably written in C++, not Java) so it can be done with standard Wintel boxes - but I'm now concerned that it cannot be done using Java Sound.
My project attempts to animate sound with visual images (not video or pictures but more abstract visualizations based on the audio itself). It works fine when simply "listeing" and responding to the audio. The final step is to be able to sync specific abstract visualizations with precise points in the audio (frames or position in microseconds). I'm now wondering if what I need is handled by the soundcard (hardware) and not available through Java. I presumed that I would be able to rely on the soundcard to handle the realtime audio stream (using its clock) and I would simply wait for increments of a certain frame count that correspond to the refresh/trigger times for my visualizations. As it turns out, after a lot of experimenting with my configuration, I can't find a way to trigger a method in my application synchronized wiht a certain period in the audio being played. I am playing audio by writing to a SourceDataLine, and listening (using loopback, I believe) on a TargetDataLine. To give an idea of what I'm looking for, if a LineListener supported notification based on reaching a certain frame position in the audio stream, that would be great. That doesn't exist (that I could find, only START/STOP/OPEN/CLOSE events). I've been trying to set the buffer size on the TargetDataLine, and the number of bytes (frames) that I read from that TDL, to achieve a synchronization with the actual rate the audio is playing through the sound card. What I've seen is that the number of frames made available through TDL is not consistent. The read() method blocks for various times and with differing incremental frame positions as the TDL buffer is replenished in real time.
My goal is to be able to detect when a number of frames corresponding to 20 milliSeconds at 48kHz or 44.1kHz sample rate have been played through the sound card. Is this possible? I've not posted any code because the code I have isn't non-functional, it's just not capable of performing the task I am trying to achieve. Suggestions as to how I can refine my existing approach, or what other direction/implementation I can pursue will be greatly appreciated.
Edit: typo.

ags wrote:
I think this breaks down into two related but separate issues:
First, the latency between writing audio (to a SDL) and when that audio is actually heard. If I could find a way to measure that, and it was consistent, I could adjust my processing and delivery of audio data to that SDL. As I tried to explain in my previous post, there will ALWAYS be a variability in the time when a given frame is processed in an SDL and when it sounds. Biggest variability is between the time required for the onset of the first sound (played via bytecode interpretation) and onsets of subsequent sounds (if played via code loaded into memory). But JVM switching also accounts for variability.
Have you seen this article?
http://quod.lib.umich.edu/cgi/p/pod/dod-idx?c=icmc;idno=bbp2372.2007.131
"Real Time Low Latency Audio Processing in Java"
It does a good job of listing various factors that affect real-time audio latencies.
The other problem is that even if I were able to get an accurate measurement of the delay (latency) in the audio lines, if I then set system timers to cause action in sync with the audio frame rate based on audio sample rate (frame rate for uncompressed PCM audio) there is still an error path. Again from observation not direct knowledge, it seems that there is no direct link between the sound card clock (controlling real time frame rate and what should really be the master of all actions) and the system clock (which I would use as a surrogate for the actual sound card clock to synchronize my actions with the audio being heard). Even if I were to establish perfect synchronization at the start of a song, by the time 5 or 10 minutes of audio has been processed, I suspect there will be an accumulation of errors between the sound card clock and the system clock that becomes noticeable.The sound card clock and the system clock are perfectly in synch. The problem is the granularity of the system clock. With Microsoft, the clock info is only updated once every 15 msec or so. As a consequence of this, System.currentTimeMillis() will only report the time at the last update. Also, Thread.sleep(millis) and setting a Timer are subject to this constraint. The error doesn't accumulate, though. It is just an issue of having a reduced "granularity" that creates a predictable error. (System.nanoTime will always be more accurate--it is not subject to letting the OS determine the update frequency.)
As I wrote, there is a hack that allows you to increase the granularity of the OS clock interrupt. It involves setting an independant, background thread to sleep for the maximum amount of time, e.g. Thread.sleep(Long.Max_Value). This somehow forces the OS to use a higher granularity, and with Microsoft the accuracy becomes about 1 msec (comparable to Linux and Mac systems). I learned this at the forum Java-Gaming.org.
>
I'm open to ideas, criticism or examples of how I might acheive my goal. While it might not be practical or the only way, the best I can describe what I'm looking for is to have an audio-event driven system where I can determine a frame position corresponding to the audio being rendered in real time and trigger events to keep other actions synchronized with that audio. If a constant delay (latency) was maintained and measureable, that would be OK.
This is a difficult problem.
Agreed about the difficulty!
Given all this, I think the questions are:
1) how much in advance do you know about given frames that you wish to use as cues?
2) how well can you guestimate an anchor point? (and, is there a way to improve upon the guess with feedback?)
3) how accurately can you trigger the visual cue?
Regardless of when Java decides to process a frame, it DOES manage to keep the playback steady. Thus, if you focus your efforts on finding an ANCHOR (for example, the nanoTime, or "close enough" approximation, when the first frame sounds) that you can use as a reference point for the duration of the sound, then you can use that point to calculate conversions between the frame count of the sound and the time it can be expected to play.
For example, if the frame is 44100 and you estimate frame 0 was at time 1336426670003 (System.currentTimeMillis), then set a Timer, in advance, to trigger the visual cue at 1336426671003 (I'm adding 1000 msec). The level of accuracy will remain the same regardless of the frame number and duration involved as long as you use the same anchor (and the sound playback is not interrupted).

How do I sync an audio book in itunes with my iphone

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With your phone connected, iTunes running, click on the "Book" tab, scroll all the way down, is sync audiobooks checked? If not, put a check in the box.

How can i use original audio track in video editing for iPad 2?

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I pulled a flv from YouTube. Converted it to an mp4 and imported it to my iTunes library. Using the media browser, I imported the video into my Keynote presentation. The video plays back fine. However, there is no audio-despite the volume on my mac and the volume on the movie in the inspector is all the way up. The video plays back with audio in iTunes, but not in Keynote.
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If it's music purchased from iTunes then you should be able to copy it over to your computer's iTunes via File > Devices > Transfer Purchases. If it's music that you purchased from elsewhere and/or copied from CDs and you don't have it elsewhere then there are some programs listed half-way down this page that should be able to copy them back : https://discussions.apple.com/docs/DOC-3991

How do i sync h4n audio to my video

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