Questions about with compression of files, often audio or video.

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1
vote
2answers
607 views

Convert a bunch of MKV files to MP4 to read them in iTunes

I have a bunch of mkv files that are encoded as MPEG-4 video and AC-3 audio. I usually use Subler to convert the mov into mp4 to read them in iTunes, but the AC-3 audio is unreadable by Subler or ...
5
votes
3answers
5k views

Converting WAV to MP3 using LAME and Automator

I'd like to convert many WAV files to MP3 files using LAME and Automator. I need a script that I could right click a folder and convert all the WAV files inside the folder to MP3 files. I've been able ...
14
votes
2answers
6k views

How to I go from .flac to .mp3 using LAME & FLAC using the Terminal alone?

This is my first question, so please go easy on me. 'Tis a pleasure to be here. Hopefully somebody can help me out. For a long time I've been using a relative clunky technique which involves Audacity ...
4
votes
1answer
529 views

How do you convert video within 10.7 without any 3rd party software

Is it possible to convert video resolution within 10.7 without the use of Handbrake.app or other 3rd party software? I'm not allowed to install any apps on this machine so hence not being able to ...
4
votes
1answer
3k views

How can I avoid re-encoding of video in iMovie and use it for cutting only?

I have a video that was created on a surveillance camera with the (for video) unsusual resolution of 1280x1024. It's encoded with H.264 and encapsulated in an MP4 AVC container. The quality is rather ...
3
votes
2answers
504 views

Video/Image processing on Apple iPhone4

I know iPhone 4 supports H.264 and MPEG-4 as video codecs, and JPEG and M-JPEG as image codecs. I'm looking to get some information on the iPhone 4's video and image codecs and processing chips/SoC ...
2
votes
2answers
703 views

ffmpeg transcoding audio to MPEG-4 HE AAC instead of AAC

I have an Automator script that uses ffmpeg to re-encapsulate a video file into an mp4 container with its audio transcoded to aac while leaving the video as is. for f in "$@" do ...
2
votes
2answers
540 views

Are there known DTS or Dolby Digital encoded videos readily available on Apple TV for testing?

I am trying to troubleshoot playback of discretely encoded 5.1 audio on Apple TV. It is apparent that Apple TV can "pass through" Dolby Digital (aka AC-3). Are there readily available video clips ...