Audio Video Desyncronization Zen 8

Hello Friendly People At?Creative!? I love the Zens but?I do have a few small problems. I put an avi file with mp3 sound?through the video converter into my Zen 8 gb and it looked amazing until I started to notice that the audio and video were slowly becomming unsyncronized, especially two or three minutes in. Any help on how to fix this would be very apreciated.
Thanks in advance.

Open Console in Utilities & see if there are any clues or repeating messages when this happens.

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I have latest version of final cut pro.

Usually audio desyncronization (is this a word?) comes from the audio being recorded at 32khz and FCP looking for 48khz files. When you play back, FCP is madly trying to fix the missing 16khz and doing a bad job of it. the Audio often just wanders off into it's own world.
Does it start in sync and drift or is it off the whole time?
x
By the way - "latest version" is not a useful statement. What are the exact versions of FCP, QT and OSX you are running?

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Re: Error Message of no codec when trying to load videos to Zen X-Fi" If it doesn't come out and say what codec it lacks, then your best bet is to load it into a media player that can handle playback (e.g. WMP) and then use that application to get information about the file. The file properties should include the info about which audio and video codecs are involved. I find Media Player Classic to be handy for grabbing this info. It tends to reveal the details in cases where other media players do not (i.e. it will show you what it knows regardless of whether metadata tags exist).
Is this error coming out of Creative's video converter application itself?

How can I display & split the audio & video from the same digitized clip?

I digitized a scene into iMovie that I edited on a professional system which I don't have access to anymore. The whole scene is 1 clip. Now I see a few tweaks that I want to make, so I was hoping to do them in iMovie.
I want to "pull up" the audio in one section - meaning I want to take cut about 20 frames of audio from the end of a shot, and then move all the other audio up to fill the hole. To compensate for the missing 20 frames, I'll cut video off the head of the next shot. Some call this prelapping. Some call it an L-cut. Some call it asymmetrical trimming. Either way, I can't figure out how to do it in iMovie.
My clip appears in the timeline as one track - a single track that contains the video and 2 audio tracks. How can I display the audio that's tied to the video on its own track? Then I think I could split audio & video wherever I wanted and trim things up - but I can't figure out how to do it.
Am I asking too much of this software?
BTW, I never see the option to "Split audio clip at playhead". I'm not displaying clip volume or waveforms. Choosing to display waveforms doesn't show me anything. Maybe iMovie thinks I'd only want to see waveforms of audio that isn't tied to my video-and-audio clips?
Thanks in advance for any help...

Jordon,
"Am I asking too much of this software?"
No, you're not.
You first want to select your clip(s) and choose Advanced>Extract Audio.
This will copy the audio from the video clip and place it on one of the two separate audio tracks while lowering the audio level to zero in the original video track.
You can now edit and move the audio independently of the video.
With the audio clip selected, you'll find you now have access to Edit>Split Selected Audio Clip at Playhead.
Matt

IDVD 08 audio/video sync drift toward end of DVD movie - fix/workaround?

Anyone know how I can fix this issue? It's driving me crazy.
I've just spent a few evenings in iMovie 08, editing together the video of my son's birth. All looked & amazingly good in iMovie. The "Large" .m4v file output by iMovie - Shared with the Media Browser - plays perfectly in Quicktime too.
However, after adding that shared movie to iDVD 08, and burning a DVD, I noticed that the audio sync drifts toward the end of the Movie when plated back. At the start of the DVD all seems well, but by the end of the ~1hr 20 minute movie the audio is unbearably out of sync with the video. Completely unwatchable.
After a little Googling I came across some reports that iDVD might not deal well with video that's been recorded with 12-bit audio. I've confirmed that my camcorder is (was!) set to 12-bit rather than 16-bit (the default, I'm sure). So if that's the problem I'm hosed... it's not like I can get a retake on that footage
Is there a reasonable workaround for this issue? I'm obviously unable to re-take the video (or the other 10 hours of DV video tape I've yet to use in an iMovie project). Ideally I'd like Apple to release a patch for this. Shouldn't it be possible for iDVD to account for audio that was originally recorded in 12-bit... even if it's just a checkbox you have to select to tip it off?
Then again, perhaps this is totally unrelated to the 12-bit issue, and this is just a run of the mill bug?
As I said... iMovie generates a MPEG4 video file of the Movie that looks/sounds perfect, so it seems this sync issue's being created somewhere in iDVD as it's rendering the audio/video to burn to the DVD...
Thanks in advance.

I've tried most of the options I can think of, and the audio sync drift issue continues on this ~1hr 12 minute iMovie/iDVD 08 project.
A couple of promising ideas tried used QT Pro, to export the audio track from the iMovie generated MPEG-4 file - as a WAV file, resampling to 48kHz and 16-bit... then Adding this back to the video track in the MPEG-4 file (having deleted the original audio track). In another test I also tried the Add to Selection and Scale option. Oddly enough I think the Add to Selection and Scale attempt generated more sync issues than before in the final DVD movie... so I stuck with the MPEG-4 file containing the video track and the added, resampled at 48kHz & 16 bit, WAV audio track.
This was saved as a self contained Movie file, producing a QT .mov file. I moved this .mov file into the iDVD projects directory structure so that it was avalable in iDVD's Media Browser. I then reworked the iDVD project to use this QT large.mov file, instead of the original iMovie large.m4v file.
As a reminder... the original large.m4v file has the following properties:
29.97 FPS H.264 Decoder, 960 x 540, Millions
AAC, Stereo (L R), 44.100 kHz
0:01:12:07.16 duration
The resampled and saved QT MOV file has the following properties:
29.97 FPS H.264 Decoder, 960 x 540, Millions
16-bit Integer (Little Endian), Stereo, 48.000 kHz
0:01:12:07.16 duration
BOTH versions of this Movie file play flawlessly within QT Pro... there's no audio sync drift evident toward the end of the movie unless I use iDVD 08 to burn either movie file to a Physical DVD (or DVD Disk Image). In both cases the resultant DVD Movie exhibits significant audio sync drift as the ~1hr 12 minute movie progresses. The sync goes out by ~ <= 1 second based on a rough visual assessment.
I've not yet tried to burn either the original iMovie produced MPEG-4 video file or my QT Pro tweaked audio track .MOV file version to a DVD on my PC...
... But I have used an application called Burn (referenced in this earlier/archived iDVD sync drift forum post: http://discussions.apple.com/thread.jspa?threadID=1332100 by user F Shippey - http://burn-osx.sourceforge.net/) to take the QT Pro tweaked .mov file version of the original MPEG-4 file and burn it to a DVD...
Results:
The Burn app burnt DVD plays with NO audio sync issues!... Even though it was generated from the same audio tweaked (48kHz/16-bit resampled) QT Pro .mov file.
However, whenever I burn a DVD using iDVD 08 the audio sync gradually drifts. It matters not whether I use the original iMovie 08 generated MPEG-4 movie file, or the QT Pro version of that file with the resampled audio track (the same one that works fine with Burn).
It sure looks to me like iDVD has a problem... Again, refer to http://discussions.apple.com/thread.jspa?threadID=1332100 for someone else who seems to have run into similar challenges.
Am I overlooking something?
Thanks in advance.

How do I connect an iPhone 5S or 6 with audio video cables?

How do I connect an iPhone 5S or 6 with audio video cables? Our van only has these connections. Apple did have a cable that worked with the 4/4S, but it does not work with an adapter on the 5S. I want audio only.

I Thought I probably was.
something like this should work then, right?
Belkin Y Audio Cable (12 foot) https://www.amazon.com/dp/B000067RBT/ref=cm_sw_r_awd_fYWzub11XY5MQ
OR
eForCity 3.5mm to RCA Auxiliary Cable Cord for iPod/MP3 https://www.amazon.com/dp/B0042DIZTE/ref=cm_sw_r_awd_R0Wzub1X33PD9
thx SO much )

Audio / video sync issue in playback

for every recording i've made, when i play back the archive there is noticable lack of sync between the audio and the person's mouth. the video seems to lag behind by almost a second. the good news at least is that the delta is constant.
has anyone else experienced this? it's happening in any scendario i try, even if i'm just recording myself.
is the LCCS dev team aware of this? since audio and video streams are recorded separately, is there any way for me to programatically 'nudge' the streams into sync?
it's currently a show stopper, it looks really bad when the sync is so obviously absent.

finally getting back to this..
i did as you suggested and recorded a video of myself using the recording and playback examples provided with the SDK (the 2.2 newest version btw).
the de-syncing of audio and video is definitely there. it seems especially bad for longer recordings. however, an interesting thing i discovered in playback:
- sometimes, if i drag the playhead somewhere in the recording, pause, and then hit play, video and audio fall into sync.
- if i start playback from the beginning of the recording, audio/video is always out of sync.
i understand that the video and audio streams are recorded separately and thus played back separately. my guess is that when those streams are retrieved and playback begins, one starts before/after the other because they're not retrieved at exactly the same time. it seems some extra work is required to ensure that their playback commences at exactly the same timestamp within each stream.
i can provide my recordings as an example if required.
this is a total showstopper for me. it renders the entire recording service useless if the playback can't have sync between audio and video. i would be happy to help with testing this more. can someone from the LCCS team comment on this issue?
thanks
adam

I am using ALSA and Icecat. When I play any html5 audio/video it works, but the next time i click on another audio/video link I lose sound.

I am using Parabola (a fork of archlinux), Icecat 31.4 and ALSA
Icecat and firefox seem to hold onto the soundcard when I click on a new html5 audio/video link in the same tab. The next video/audio element loses sound. If I wait 10 seconds and click back to the start of the audio/video, the audio returns. I often get cpu spikes for icecat when it happens.
I have tried this with both motherboard and usb sound and I get the same problem. I have disabled extensions (addons) in Icecat, deleted profiles, reinstalled the browser and even installed firefox from the AUR and it still occurs.
I have disable gstreamer in about:config and restarted and it still occurs.
My .asoundrc is this:
pcm.!default {
type plug
slave.pcm "hw:0,0"
All my other audio applications work. I have noticed that if I use pulseaudio it fixes it, but it should work without anyway, like it used to. I think something happened after an update, but I'm not sure.
Any help would be appreciated. I know it's not a big problem, but it's really frustrating and I've had it for ages. I even switched browsers to get away from it.

*nerding out*
I am not an expert in this and if we get stuck I have found a mailing list for the alsa project that can be contacted: http://www.alsa-project.org/main/index.php/Mailing-lists
Gstreamer is disabled in Firefox as well as the os?
Since you are seeing issues with ogg files and moving video/audio combination I started to dig into file formats {sox http://sox.sourceforge.net/soxformat.html}
For ogg would the file format affect the "raw"?
defaults.pcm.file_format "raw"
Updated libraries
alsa-lib-1.0.6-8.FC3
alsa-utils-1.0.6-3
No no, here:
http://oss.sgi.com/LDP/LDP/linuxcookbook/html/cookbook_27.html#SEC377
Is the OGG cpu intensive for your alsa architecture? [http://alsa.opensrc.org/Ogg]
Troubleshooting sound on Linux to narrow down the issue: [http://www.troubleshooters.com/linux/sound/sound_troubleshooting.htm#the_steve_litt_diagnostic_tools]
References: [http://www.alsa-project.org/main/index.php/Minivosc]
[http://www.troubleshooters.com/linux/sound/sound_troubleshooting.htm#the_steve_litt_diagnostic_tools]
I am sorry, this is where I can no longer help. Please seek the guidance of the Linux forums or that alsa mailing list.

Audio video adapter problems

Please help me. When I connect my iPad 2 to my t.v via hdmi with my audio video adapter, nothing shows up on my t.v. I have an L.G HDTV. When I connect it to my HDTV it just says no signal. And nothing shows on my t.v. Please help me.

Settings-video-tv signal set to proper format?
Turn tv off, connect the adapter, make sure iPad on and ready, turn tv on.
More than one hdmi port? Try switching ports.

I just moved my itunes library from a win 7 computer to a win 8.1 computer. Getting an error message "iTunes has detected a problem with your audio configuration. Audio/Video playback may not operate properly. Can't play CDs or get audio file from web!

Help! I just moved my itunes library from a Win 7 computer to a new Win 8.1 computer following the instructions on the itunes website. Everything is good except I'm getting an error message on the Win 8 computer if I try to play a CD or get an audio file off of the internet. I get an error message that says "iTunes has detected a problem with your audio configuration. Audio/Video playback may not operate properly. I don't know where to look for or fix the audio configuration on the win 8 computer. As far as I can tell the iTunes configuration looks the same as on the other computers in the house. At this point I don't dare plug my ipod touch into the Win 8 computer for fear it will get messed up.

I have the same problem and I know that it is due to my PCI Audio driver not being compatible with WIndows 8.1.
iTunes isn't the only program that can't direct sound to the built-in speakers anymore. The obvious solution would be to update the drivers, but unfortunately Dell does not provide an updated driver for my model, so I am stuck with that.
However, saying that, only my laptop speakers are affected by this. I can use sound fine on applications where I can choose the output device and direct sound to the head phones, but for some reason iTunes does not let you choose the audio device manually.
To listen to music I imported the iTunes Library in Windows Media Player and changed the audio output using the following instructions: http://windows.microsoft.com/en-us/windows7/c00d11ba
However, I would also like to rent movie's from iTunes,
Would be great if iTunes would let you choose the output device, too, like most other applications using sound from Skype to Windows Media Player,...

'Source play' and 'audio-video sync' problems with PE8 on fast WIN7 64 bit computer

I am transferring Hi8 videos, about 2 hours long, to my WIN7 64 bit computer with PE8. [Dell Mobile Precision M4400 Computer Workstation (Intel Core 2 Duo T9900 500GB/4GB); NVIDIA Quadro FX 770M, 512MB] I seem to have several problems:
First, after importing the file (.avi), I get a message about ‘dropped frames.’
Secondly, when I try to play the video in the source monitor, the audio plays but the video doesn’t; it only shows the first frame [this is after waiting until the video is ?recognized? ] I can use the shift-arrow key and see that the video is there.
Thirdly, I can play the .avi file in other players, e.g., avidemux or PE pro CS5 on another computer. There, I see that the audio and video are not in sync; the audio can be up to 300 ms ahead of the video (as determined using avidemux).
Questions:
1. Why doesn’t the source monitor play the video? Is this a problem with PE8 (latest update as of 3 March 2011) on aWIN7 64 bit computer (intel duo core. 3 GHz).
2. Is the audio-video sync problem the result of the ‘dropped frames?’ How can PE8 correct this? Avoid this? Or, is it coincidence?

"I think you're telling me you're using a backwards compatible Digital8 camcorder to capture your video as DV-AVIs. Is that right?" YES
"Are you using Premiere Elements to do this capturing?" YES, AS ABOVE PE8
"Go to the File menu and select Properties. It should show a standard DV codec being used for your video and audio."
WMP v12 is dumb. Under properties, media, it says 'video.' However, avidemux gave me the information state above: video -- Codec 4CC: dvsd, frame rate: 29.971 fps; audio -- codec: PCM, channels: Stereo, frequency: 48 kHz.
So, back to the Questions:
1. Why doesn’t the source monitor play the video? Is this a problem with PE8 (latest update as of 3 March 2011) on aWIN7 64 bit computer (intel duo core. 3 GHz).
2. Is the audio-video sync problem the result of the ‘dropped frames?’ How can PE8 correct this? Avoid this? Or, is it coincidence?

How to use rtp to transmit data other than audio / video

hi all,
as you all know the jmf is based upon a specific paradigm:
data source -> player (processor) -> renderer.
i am not being very precise on this but that does not matter.
i want (for testing purposes) to create a tool that transmit some custom data
(maybe even nonsense) over the rtp packages.
so as you may now see this would not work quite right with the mentioned
paradigm since there would be no audio/video to play-process-render.
so how would i go about to utilise the rtp abilities of the jmf without adhering
to the whole player-whatever shebang.
what i have figured out is that there is a way to transmit custom rtp-payload.
there is even an example on the jmf solutions page but even this one uses
an audio format (pcm).
i hope what it is clear to the dear reader what i want to do and maybe some-
one can help me with this.
p.s. i am not one who wants to get the whole source code (like so many
others do on this forum) for a project someone may have done on this, what
i need is a hint in the right direction.
thanks for your attention and thanks in advance for any useful hints.

Hi, I would like to make some comments that may help
you to find out how to manage your problem.
If you have a look to the JMF 2.0 API, Guide,
"Understanding the JMF RTP API", Figure 8-2
http://java.sun.com/products/java-media/jmf/2.1.1/guide/RTPArchitecture.html#105171
you can notice that the processor is not essential.
In this pciture, the processor is inserted between two datasources,
to let you perform some operations on the media that is read from
a file or a capture device.
But the SessionManager just needs a DataSource.
With what you say, I can imagine that you want to transmit
real-time data that is not related to standard media formats.
In principle, the only think you must do is to extend the
javax.media.protocol.DataSource abstract class and implement
it at your own convenience.
Once your custom class is written, you can call the SessionManager's
method createSendStream(DataSource ds, int streamindex) passing
for argument an instance of your mentioned custom implementation.
Hope this helps.
Good Luck ;-) !

How do I fix my audio/video in iChat 4.0.9? it has worked perfectly until last night.

How do I fix my audio/video in iChat 4.0.9? it has worked perfectly until last night. I have been having video calls iChat with my granddaughter for 4 weeks. All of a sudden last night I wasn't able to complete the video/audio. We were able to iChat with writing. The message I got was to go to connection doctor.
The error log -
2011-04-24 19:33:43 -0400: No data has been received for the last 10 seconds.
Audio channel info: local machine using 10.0.1.2:16402, expecting remote machine to send to 69.138.244.124:58521
Video channel info: local machine using 10.0.1.2:16402, expecting remote machine to send to 69.138.244.124:58521
Every time we tried to connect I got the same error message.
I use an airport extreme - my granddaughter has some kind of wifi - but the error was on my side not hers as she connected to her friends.
Please help.
Thank you.

Hi - I have a cable modem from comcast.
I am not sure I understand all your questions, suggestions - so I will copy what I have when I go into the airport utility under internet.
Do you have four tabs (You may have less) I HAVE 4 TABS
In the First tab what does it read at the Bottom ? AT THE BOTTOM OF THE FIRST TAB (INTERNET CONNECTION) IT DOES SAY "SHARE A PUBLIC IP" WHEN I LOOK AT THAT SETTING - I COULD CLICK INSTEAD BRIDGE MODE OFF, OR DISTRIBUTE A RANGE OF IP ADDRESSES. BUT FOR NOW THE ONE THAT IT IS ON IS THE SHARE A PUBLIC IP.
"Share a Public IP" ?
Or "Bridge (Off) Mode" ?
I DON'T UNDERSTAND WHERE TO LOOK FOR THE INFO BELOW. I ALSO HAVE UNDER THE INTERNET CONNECTION TAB - CONNECT USING ETHERNET AND ETHERNET WAN PORT AUTOMATIC (DEFAULT)
THE 2ND TAB IS TCP/IP AND THERE IT LISTS CONFIGURE IPv4: USING DHCP
IP ADDRESS: 69.138.244.124
SUBNET MASK 255.255.248.0
ROUTER ADDRESS 69.138.240.1
DNS SERVER 68.87.73.246 AND 68.87.71.230 (THESE ARE FILLED IN THE BOXES AND NOT CHANGEABLE.
THE 3RD TAB IS DHCP
DHCP BEGINNING ADDRESS 10.0 .1 .2
DHCP ENDING ADDRESS 10.0.1.200
DHCP LEASE IS 1 THEN DAY
4TH TAB NAT
CHECKED IS ENABLE NAT PORT MAPPING PROTOCOL
I HAVE BEEN USING THIS AIRPORT EXTREME FOR AT LEAST ONE YEAR.
THE ONLY DIFFERENT ISSUE IS THAT I HAD BEEN TRAVELING AND USED MY DAUGHTER'S AIRPORT EXTREME LAST WEEK. I HAVE NO IDEA ANY OF THAT INFO - BUT I DO KNOW THAT THE AIRPORT EXTREME LISTED IN THE UTILITY IS THE ONE AT MY HOME THAT I AM WITH NOW.
THANK YOU FOR TAKING THE TIME TO TRY TO HELP ME. I REALLY APPRECIATE IT.
JUDY
Between that drop down and the tabs should be the info on how it connects to the Modem.
It may list that Puiblic IP.
It may list another LAN IP (one from the Modem)
Does it start 192.168....
Or 172.16 (or up to 172.32....)
Or possibly another 10.... number ?
If the modem is issuing IPs to the LAN there are two things that can effect things
One is the fact the computer gets two IPs (even though the mac can only display one)
And If you used Port Forwarding in the Modem the Place (IP/Computer or device) that it was pointing to may not be the Airport Base Station any more.

How to create audio, video, and photo in a list view format

I'm creating a webstire entirely out of Flash using CS5 for a paranormal investigation group. In the past, using a Website Tonight template from GoDaddy had placed either an audio, video, or photograph with text above each item discusssing the content. Now, they would like this type of feature in the Flash website. I'm new to Flash, but seasoned in many other Adobe products ... not that this helps ... much!
Anyways, the website is looking great aside from this one set back, so I'm hoping someone out there can give me a helping hand. I'm willing to purchase a third-party template, but to incorporate that into our Flash file, seems daunting.
AUDIO
We need to load an audio that can play, pause, rewind, loop, and stop at the very least.
Then have text describing the situation around the audio.
repeat ... and so forth ...
New audio will be added to this section every week or so, and all the components need to scroll as the screen fills up. When adding new audio, we would add the new audio and text to the top of the list, pushing the remaining audio files down.
VIDEO
We need to load video footage with all the button features needed to play, stop, etc. I have found adding video quite easy, but to get the player to move with the text as the frame it is contained in scrolls down is another story. How do you do that?
Text describing the video contents will be above or next to the video player.
repeat ... and so forth ...
New video will be added to this section every week or so, and all the components need to scroll as the screen fills up. When adding new video, we would add the new video and text to the top of the list, pushing the remaining video files down.
PHOTOS
ditto as others
Thanks!!

As mentioned, building a custom application can be tricky, especially if you are not very familiar with Flash.
So you want a Web page with an audio player and selection list at the top (or where ever) and then a video player section, along with its playlist, and then at the bottom of the page you want a photo display area... Is that correct? and the scrolling you mentioned is because the page needs to be long enough to hold all 3 components? is that right?
Have you instead considered just using 3 different frames, one frame for each component and simple buttons to jump from audio to video to photos?
Or, skip the scrolling in Flash and let the html/css take care of the scrolling, just like any normal Web page. Just make the .swf as long as needed to display all your content.
Since you are new at this type of a project, I'd suggest you start small, take the project in steps... just build the audio player... then the video player... then your photo slide show..
Only after you have 3 working moduals would you but them together into one .fla
And yes, learn to use xml for ALL the data, audio, video, and photos.... very easy to update without having to re-publish any of the Flash.
Here is a good source for tutorials:
http://www.gotoandlearn.com/index.php?currentpage=11
Flash and xml
http://www.gotoandlearn.com/index.php?currentpage=13
learn to use NetStream to play your videos, much more versatile and powerful than using the FLVPlayback component
But learning how to incorporate xml into your Flash project is very important in a project like this. And then broken down into 3 components, it's really not that tough to build a project like this.
Best wishes,
Adninjastrator

Audio Video Desyncronization Zen 8

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