Refers to the "container" that that data is stored in and how that data is encoded.
22
votes
4answers
2k views
Any reason not to convert WAV to FLAC and save some disk space?
As I understand the technologies, WAV is a raw, uncompressed format and FLAC is a compressed but lossless format.
My research has shown that FLAC files "still maintain all the audio fidelity"src of ...
11
votes
8answers
17k views
Free batch conversion from FLAC to Apple Lossless (ALAC)?
I am looking for a free tool that would allow me to convert large amounts of FLAC files to ALAC (Apple Lossless Audio Codec) while preserving the meta information and optionally adding new information ...
7
votes
2answers
249 views
How do mp3 encoders compress audio?
I know they remove certain sounds, like extreme highs and lows, but how does this really work?
What information is decided to be thrown out? Is it just done by frequency and typical human hearing ...
7
votes
1answer
211 views
Help choosing audio rip format for longevity.
I've been using MP3 for a decade for my audio collection, but with the (not so) recent developments in open source vs patented codecs such as H.264 I am wondering if an alternative format is ...
7
votes
2answers
460 views
What exactly is AVCHD?
Is it a codec? I don't think so; I believe it uses MPEG4/H.264 for video and AC3 for audio.
Is it a container format? Doesn't seem to make a huge amount of sense; there are enough out there already ...
5
votes
2answers
208 views
In what ways does mp4 improve on mp3?
I know mp4 is supposed to have 'higher sound quality at a lower file size', but:
how does it do this? How does it compress more information into a smaller space?
How much of mp3 is still used? Was ...
5
votes
2answers
109 views
What happens when you save a MP3 with a higher quaility?
When a lossy audio track (of unknown quality) is imported into software and and saved as a (possibly) higher quaility after editing, what happens?
Obviously I know it can't have any more 'quality' ...
5
votes
1answer
143 views
What codecs/formats are appropriate for full motion video recording for youtube?
I'm recording video game footage via lossless methods, after which I need to compress them and upload them to youtube. I'm not sure which format and/or codecs are best for this. I've been ...
4
votes
3answers
3k views
Sample-accurate AIFF to WAV conversion on Mac OSX
I've just come home from a studio with a freshly-mastered track, which I have on my computer as a stereo .AIFF file. I would like to submit this track to a particular compilation online, and the ...
4
votes
1answer
127 views
Determining streaming container format
I'm completely new to video/audio formats, containers, and protocols. However, I have to figure out how to decode a bitstream that contains audio and video. I do not know the transport protocol, ...
4
votes
5answers
1k views
Is there a method (or tool) to convert video from a SWF container to another more portable format (e.g., H.264)
I have a client who has misplaced the original source video, only has an SWF, and would like to use it in a non-flash environment.
Is there any way to do this?
So far, I've tried ffmpeg but it's ...
3
votes
2answers
117 views
Adobe Premiere & Final Cut Pro project file standard?
Is there a standard for non-linear video project files? I want to create a slideshow of my life using jpg + mp3 files and want to be able to tweak it many years from now. My fear is that if I use ...
3
votes
1answer
207 views
How to make sense of video file formats?
In digital video, there are all these different kinds of files: m4v, mov, mkv, mts, mp4, mpeg, and a host of others, and I can't seem to find a clear answer as to what each is good for.
(By contrast, ...
3
votes
1answer
45 views
What are good resources to learn the production side for an end-user focused software guy?
I'm a software developer type of person who works a lot with systems that stream media (movies, music videos etc) to end-users over various channels. I know a lot about video files and how to play ...
3
votes
1answer
26 views
How can I see each frame of a mpeg transport stream under windows?
I am looking for a tool, preferably free, that will allow me to see and save each frame from MPEG-2 Transport Stream (video/mp2t).
3
votes
2answers
219 views
How to sync midi to audio - Logic 8
I've annotated an audio file with the beat locations. Now I want to create a midi file that is synced with the audio.
The annotation is in xml format, but I can easily turn it into a csv or other ...
3
votes
1answer
106 views
What metadata can be stored in a .dv file?
I'd just like to know what information I can expect to extract from a dv file. A lot of file formats have provisions for embedded metadata of all sorts, so my question is what if any data could a .dv ...
2
votes
2answers
65 views
Difference between 4K Edition and 4K Cineform
On this page I found this here:
http://www.timescapes.org/products/
And I don't get it, because 4k Ediition is only 25gb and 4k cinema is 330gb.
What is the difference if both are 4K (4096 x 2304) ...
2
votes
1answer
80 views
Format conversion safety of files linked from Audacity projects
If I record in WAV, create an Audacity project that links to those files, modify the project, export the final cuts, save everything, convert the WAV files to FLAC to save space, then convert the FLAC ...
2
votes
1answer
31 views
Format to view on iOS and PS3?
I have Apple Compressor and have been trying to determine the correct format for my videos to allow them to play on both the iPad and my PlayStation 3 via a Media Server. Can anyone help me to ...
2
votes
2answers
925 views
Export from garageband to audacity
I want to export ALL the audio tracks from garageband to audacity.
I searched on the internet and it is apparently not possible ( here for instance), or better it is possible but one track at time.
...
2
votes
2answers
753 views
exporting .mov vr to multiple still frames
Ive got a quicktime VR in .mov format i need to strip the all still frames (in total there are 250) out of it and have them in as individual images, preferably pngs or jpegs.
I was looking at using ...
2
votes
1answer
1k views
WMV vs MP4 Streaming & Download
I work for a company that outputs videos in many formats.
We currently stream movies in FLV format, offer downloads in a WMV and MP4 format.
However in the interest of saving server space and ...
2
votes
1answer
264 views
Does the M4V file type have direct support for Audio?
I am working with a video vendor who just ripped a dvd and sent me BOTH m4v files AND aac files (audio and video separately),. When I asked him why he did not just send 1 m4v file with the audio and ...
2
votes
1answer
78 views
Digital Performer - Copying Between Projects
Is it possible to export an entire chunk/sequence from one Digital Performer project file and import it into another?
2
votes
1answer
424 views
When I read “MPEG-4 AAC”, does this mean 'AAC', 'AAC+ Version 1', or 'AAC+ Version 2'?
I'm encoding .3gp videos.
Instructions say, under audio codec: "MPEG-4 AAC".
On audio settings, I can choose between "AAC", "AAC+ Version 1" and "AAC+ Version 2".
I'm lost. Can anyone enlighten me?
...
2
votes
1answer
69 views
Video file format won't play
Hopefully I'm not out of line asking here, but I used to have a Sony HDR camera and of course all the files were in a sony format. Quite some time ago I used iMovie to import them and since then I've ...
2
votes
1answer
547 views
Output ogg / FLAC from Adobe Audition
How can I export an ogg or FLAC file from adobe Audition? is there a plugin? If so, how do I install it, both on Mac and Windows? preferably looking for an all in one solution for simplicity
2
votes
1answer
486 views
Choosing the right format/codec for export
I have a few recordings from my Canon IXUS 90 IS that I have combined into one sequence. I am using this small project as a way to get to know Adobe Premiere Pro CS5.
The pieces of video from the ...
2
votes
1answer
92 views
File formats supporting multiple streams [closed]
While designing a new feature for a software application that I'm working on, I am attempting to define a table structure for audio files, and I have the following question. Do mp3, m4a, wav, aac, ...
2
votes
1answer
79 views
Tool for converting .VYF audio file
Is there any tool to convert .VYF audio file to .mp3 or any other audio file?
2
votes
0answers
176 views
How does MKV segment linking work?
I downloaded a file vid1 that is in C:\dir1\ which links to another file vid2 in a subdirectory C:\dir1\dir2\ and it works if I move that file to dir1 (so both files are in dir1). I figure that it'll ...
2
votes
0answers
73 views
Transcoding DV Without Desyncs
I've recorded DV video from my camcorder over FireWire, and it plays fine in OSX. However, when trying to transcode it to H.264 for editing and uploading it to YouTube, the audio desyncs. I've been ...
1
vote
3answers
2k views
Why does a FLAC file have a lower bit rate than the CD file?
I ripped a CD to FLAC. Comparing the two versions of the same song with MediaMonkey, I noticed the original CD bit rate is 1411 kbps:
whereas the FLAC file has a bit rate of 906 kbps:
Why is ...
1
vote
3answers
83 views
Simple software program for converting H264 video in to flashvideo flv for website?
my question is:
Which simple, lightweight, straightforward, easy to use software for Win7 can do the following:
A) import/convert on the fly MP4 (H264) movie into FLV (Flashvideo) and apply ...
1
vote
3answers
1k views
Best lossy format for music?
Which one of the lossy file formats like Ogg, AAC, Mp3, Wma has the best quality/size ratio?
I've seen that AACs are smaller than MP3 at the same bitrates. Do they sound worse than MP3?
1
vote
3answers
253 views
Utility or method for joining MP4 files
I have two MP4 files that I generated with Camtasia Studio. I need to join them together post rendering with Camtasia (it can't be done during the Camtasia rendering process). Looking for a utility or ...
1
vote
1answer
617 views
What ffmpeg/avconv format and container will Adobe Premiere Pro accept, out-of-box?
All of these converted, but Premiere Pro only loads the audio. I use Ctrl-I to import the videos, and they come up as waveforms, and can only be placed on audio tracks.
These examples use avconv, ...
1
vote
2answers
348 views
Video files compatibility for Adobe Premiere pro CS4
I have Adobe Premiere Pro CS4 in its basic settings. I am trying to merge some .AVI files that a friend shot on his digital camera. The videos play perfect on Windows Media Players and on other ...
1
vote
2answers
72 views
MP3 Podcast Problems… mp3 file format?
I'm having trouble with an audio file.
If you look over at this Ask Different question I submitted, you'll see I was having issues with getting a podcast to work in iTunes. I finally narrowed it ...
1
vote
1answer
969 views
Extract streams from WebM
I hope my question fits the theme of this SE.
Is there any software that can extract streams from WebM videos? I don't want to convert (re-compress), I want the streams intact. Thanks.
1
vote
2answers
57 views
How could an 8-bit encoding take more memory than a 10-bit encoding?
I'll start off by saying that I know next to nothing about video encoding and I'm looking for a nice tutorial explaining the basics (I have a technical background and some knowledge of signal ...
1
vote
1answer
116 views
How do I sort through a music collection and find and categorise the best quality files?
I'm looking for some software that can scan a large collection of files which contains many duplicates of varying quality in different file formats.
Ideally I would like to have a folder structure ...
1
vote
1answer
78 views
Closed Caption formats - support for overlapping phrases
I am looking to develop a tool for editing Closed Captions for MP3s. It is mostly in support of YouTube music videos. I've been looking over the Supported Caption File Formats in this YouTube page ...
1
vote
1answer
168 views
What format do WAV files need to have to be imported into the Korg D3200 Digital Recording Studio
The title says it all...
What format do WAV files need to have to be imported into the Korg D3200 Digital Recording Studio?
I created 8 WAV files and burned them onto a CD so that I could import ...
1
vote
0answers
37 views
What export settings should I use in Premiere Pro for iBooks Author videos?
I've tried using Adobe Premiere to save a video for iBooks Author. The problem is that when I export my project as a mpeg2 file the quality of the video degrades a lot.
I am using images to ...
1
vote
0answers
179 views
Can I convert Sibelius into MusicXML or any other free format with only free tools?
Back in the old days, I used Sibelius to typeset scores. I've switched to the great open-source MuseScore now and don't miss anything from Sibelius except... my old scores.
I know that there is a ...
1
vote
0answers
167 views
From Avid Media Composer to DVD?
I have a 1920x1080i project (a 50 minute film) in Avid Media Composer (version 3).
How can I make a high-quality DVD from my project?
Specifically:
Can I export straight from Avid to a DVD format ...
0
votes
2answers
1k views
Free Linux tool to convert FLV to MP3
I'm looking for a free Linux tool that can convert a rather large collection of FLV files into MP3 format. Most of the tools I've tried use ffmpeg under the hood, but they fail to convert many of the ...
0
votes
1answer
60 views
Save existing project to an external drive Final Cut Pro X 10
I have a project with events saved on my Mac drive. I want to save this project on my external HD drive to clean space and work on this project later.
I copy pasted Final Cut Events and Final Cut ...
