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4
votes
1answer
46 views

How can I batch convert images to b/w while preserving the folder structure

I want to batch process images but I have a very specific task that I want to do I do not want to change image type I want to make them black and white I want it to create/preserve images and sub ...
1
vote
0answers
26 views

Is 'libavcodec-unstripped-52' still available?

When coming to converting media in ffmpeg and avconv, there are a lot of solutions on the net as well as on askubuntu indicating to install libavcodec-unstripped-52. But in Lubuntu and Xubuntu ...
1
vote
1answer
56 views

What (input) types of files can avconv convert and to what (output) files?

I like to use simple commands (in Thunar custom actions), like avconv -i %f %f.mp3. I can replace mp3 with flac for example - but what other output extensions can be used? Also, in Thunar custom ...
1
vote
1answer
31 views

What (input) types of files can ffmpeg convert and to what (output) files?

I like to use simple commands (added to Thunar custom actions), like ffmpeg -i %f %f.mp3. I can replace mp3 with flac for example - but what other output extensions can be used? Also, in Thunar ...
0
votes
3answers
108 views

How to convert .aif audio files to mp3?

I have audio files with .aif extensions (AIFF/Amiga/Mac audio). How to play them and, more important: how to convert them to mp3 or other more common audio format? update: trying to run a command ...
0
votes
5answers
90 views

JPG batch compression & rename (find -exec, xargs, piping?)

this is my first post so I hope you'll be kind enough to forgive me if I make some formatting mistakes or else. This is one question I've had for quite some time and while looking for answers I have ...
0
votes
0answers
32 views

Files created with imagemagick show up in terminal but not folder view [closed]

If i convert a file using the convert option of imagemagick (doing this in the terminal) and then list the files in the folder with the ls command, i can see the created files and i can view them ...
0
votes
0answers
40 views

Avconv -g parameter description

This is the official description of parameter: ‘-g[:stream_specifier] integer (output,video)’ set the group of picture (GOP) size Not very informative i'd say. :D Can anyone explain what does it ...
1
vote
2answers
86 views

converting djvu to pdf trouble with this OCR preserving code

I want to convert djvu to pdf while preserving OCR. This page describes how to do so, I am getting a blank html file. now in the directory cd /home/steven/Documents/djvu2pdf/1/ djvu2hocr -p 1 ...
0
votes
1answer
67 views

Convert a bunch of jpegs to a movie

I have a bunch of non-consecutivly numbered jpegs (they are in order, but there are gaps in the sequence) that I want to convert into a movie. When I try using convert, ffmpeg or avconv, it creates ...
0
votes
1answer
132 views

How to convert Powerpoint ppsx (presentation) to pdf?

I have a ppsx file with images that I want usable in other environments than office suites: it would be perfect having them as separate images. I could then use them directly; or create a pdf from ...
0
votes
1answer
26 views

How to convert my video into a file which can be viewed in movie player with ffDiaporama?

Downloaded ffd Diaporama video editting software and cannot convert my video into a file which can be viewed in movie player! I tried saving with .avi, etc., and it just adds the .ffd at the end.
3
votes
1answer
146 views

convert several png to one pdf

I have 280 pgn files that I want to merge and convert into one pdf. PNG files names are in the sequence p000.png, p001.png etc and total space is about 30mb. I did: convert p00*.png to myfile.pdf ...
4
votes
2answers
232 views

ImageMagick convert can't convert to webp

On Ubuntu 12.04 ImageMagick doesn't seem to support webp. convert flyer.png flyer.webp creates an png file with webp extension. On https://developers.google.com/speed/webp/docs/using is stated that ...
1
vote
0answers
83 views

Why does Soundconverter not convert flv files?

Normally it looks Soundconverter should be able to convert anything GStreamer can read, including flv to mp3/flac/ogg/wave/aac. While converting mp4 or avi all is fine and the program displays a ...
2
votes
2answers
146 views

How to convert multiple files to mp3 in Thunar custom actions?

I have added a simple command avconv -i %f %f.mp3 to Thunar's custom actions to convert a selected media file to mp3 (in the same folder and with the same name). What would be the command that can ...
2
votes
1answer
60 views

How to convert multiple files to png (instead of one) in Thunar custom actions?

I have added convert %f %f.png to Thunar's custom actions to convert a selected image to png. What would be the command that can be added in the same way that would allow selecting multiple files or ...
2
votes
2answers
99 views

How to convert flv file(s) to mp3 from PCManFM's (Open with) context menu?

Opening a terminal in a folder that contains a flv file called "one" (one.flv) and running this command: ffmpeg -i one.flv one.mp3 the flv file is converted to mp3 with the same name and in the same ...
2
votes
2answers
108 views

Why converting a flv file to mp3 I got a bigger file?

Converting a flv music file from youtube to mp3 with Audacity I got a bigger file than the initial flv. I guess I have set too big a bit-rate or something like that that has artificially inflated the ...
5
votes
4answers
660 views

How to convert all pdf files to text (within a folder) with one command?

I know that I can convert pdf files to text files one by one like this : $ pdftotext filename.pdf But is there a single command that would make that conversion without specifying separate file ...
2
votes
1answer
143 views

Is there a way to batch export SVGs to PNGs?

I have these SVGS and I'd like to export them to PNG images, I could export them with Inkscape but that would mean open each file and export that file to PNG which is not efficient (I have hundreds of ...
1
vote
1answer
329 views

How to convert audio files in Deadbeef player?

I t looks like Deadbeef player should convert between different audio formats just by right-clicking and selecting "Convert" But after that and a few seconds of delay as if working nothing ...
2
votes
3answers
218 views

How to convert `rm` and `ra` audio files to mp3 in (L)ubuntu?

I have radio programs that I have obtained with the extension rm and ra. How to convert them to mp3 or other more common type?
0
votes
0answers
158 views

ImageMagick convert to png32, can't change background at all

So I'm stumped. I've been wrestling with this simple command to turn an SVG file into a transparent SVG to no avail. Here's my command convert svg:/home/media/svgTest.svg -quality 100 -background ...
1
vote
2answers
178 views

Converting a .gif into a .swf using gif2swf

New to the forums, and the whole Ubuntu world, also NOT a technical person, so please be gracious. Try as I might I cannot figure this thing out. Please keep in mind I know virtually NOTHING about ...
2
votes
2answers
296 views

How to convert AC3 to Flac and apply a delay?

I have a MKV video file. The audio track is ac3. I extracted the AC3 and now want to convert it to Flac. But I need to add a delay/offset of 150ms. The offset should be permanent; the actual duration ...
2
votes
2answers
749 views

Mix down 5.1 AC3 to Stereo WAV?

I wonder if I can mix down a 5.1 AC3 file to Stereo WAV file, i.e. 6-channel > 2-channel. I'd like to know how to do this with via terminal with ffmpeg (or avconv, because it says ffmpeg is ...
0
votes
1answer
288 views

Downsize video for use on Android phone

I've got some 1080p movies on my Ubuntu system, which I'd like to trasfer to my Android phone for when I'm in a situation where I have nothing to do (like an absent teacher at school). My phone screen ...
3
votes
2answers
604 views

Is there a GUI to convert/extract images to/from pdf?

I mean something like a graphical interface / front end for Imagemagick or a simpler application that would allow converting/extracting images through the interface (not in the Terminal).
1
vote
1answer
85 views

Why my computer fails when converting many images in Imagemagick with one command?

After updating to Precise had a few times the following mishap: when I try to convert to pdf many (100, 200) jpegs or pngs, my system gets completely stuck and need hard reboot. Or, more fortunately, ...
0
votes
2answers
14k views

Convert mkv to mp4 with ffmpeg

When I try converting mkv to mp4 using ffmpeg, the following error occurs: version 0.8.3-4:0.8.3-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the Libav developers built on Jun 12 2012 16:52:09 with ...
0
votes
1answer
52 views

Converting kwd files into odts fails

I'm trying to convert kwd files into odt using Kubuntu 11.10 but I'm getting this error: $ koconverter llaves.kwd llaves.odt koconverter(3712)/koffice (filter manager) ...
1
vote
2answers
102 views

Is there a Ubuntu program that can convert cbz to jpg?

In order for me to read my comics on my PSP i need to convert them into jpg format. The official format of my comics is cbz, and i cant convert online because all the comics are about 7 gigabytes.
1
vote
1answer
1k views

How to add Fade-out and Fade-in Effects by convert command?

convert command can make the mpeg video from the several pictures. For example: convert -delay 300 *.png test.mpg Well, is it possible to add Fade-out and Fade-in effects into the mpeg video by ...
1
vote
2answers
17k views

How can I convert IDX/SUB DVD subtitles into a text SRT subtitle file?

I have a pair of .idx/.sub subtitle files with multiple languages and I need to convert them to single-language .srt files because neither Totem nor Gnome Mplayer can show that type of subtitles.
5
votes
5answers
3k views

bulk/batch convert mp3 files to ogg via command line?

is it possible to convert mp3 to ogg via command line? I'd like to just in a bulk swoop convert my mp3 files to ogg so i can play them in firefox without any issues.
4
votes
1answer
319 views

How to stop Banshee from converting my music to mp3?

When I am synchronizing my music with Banshee, it stars converting my music into mp3. How can I stop Banshee to convert my music and make it just copying it? My player can play nearly every ...
1
vote
3answers
728 views

Is there now any way to convert mp3 files to m4a or aac 192kbit?

Since about two years now I am trying to find a way to convert high quality mp3 files to m4a or aac files with a fixed bitrate 192k. Please don't suggest using another format - i thought this through ...
4
votes
1answer
5k views

How to save files in pdf format?

Lately I have been having trouble with my Libre Office ap. I appears that it doesn't have anymore the Save to PDF command. Do you guys know any way around this problem? I looked around for converters ...
4
votes
5answers
4k views

How can I convert .mp4 files to .3gp using ffmpeg?

I would like to download a few videos from youtube and convert them to 3gp so that I can play them on my phone. I would like to know how this can be done using ffmpeg. I tried the various results on ...
4
votes
2answers
597 views

How to convert WMA lossless to FLAC?

I have some CDs that I want to convert to FLAC. Banshee can't find their metadata, but Windows Media Player can. I figured there are two workarounds: Rip all CDs using Windows Media Player ...
5
votes
3answers
11k views

How to convert image to CMYK in GIMP?

I am supposed to send some artwork to the printers tomorrow and their guidelines requires it to be CMYK. I have installed the plugin Separate+ from the 'gimp-plugin-registy' package. I have also ...
4
votes
2answers
1k views

How can I convert my FLAC music collection to Apple Lossless?

I have a reasonable sized music collection that I keep in FLAC format on my Ubuntu laptop. I'd like to start playing this music on my Mac, and to sync it from there to my iPod. People have suggested ...
5
votes
2answers
2k views

How can I convert .epub files to plain text?

I'm able to view an epub file in, say, okular, select all the text and copy-paste into a text editor. I'd like a command line method - anyone know of such a thing?
8
votes
4answers
4k views

Convert PDF to image

I'm trying to convert a PDF file (it's a book) into an image. When I using convert like this convert book.pdf book.jpg or like this convert book.pdf book.png then I get this warning Warning: ...
2
votes
1answer
7k views

How can I convert a 1080p wmv video to a 720p video?

I have a 1080p wmv video that I'd like to convert to a lower quality (preferably 720p) video. I would like to keep the audio intact. How can I accomplish this in Ubuntu?
8
votes
3answers
2k views

Convert lossless m4a to flac

I tried to convert a file with pacpl, but I get the well-known "256" error. With the -v flag, the FAQ of pacpl tells me: "The file you are trying to convert is a lossless .m4a file. The format ...
2
votes
3answers
3k views

converting images to pdf without quality loss

I am converting images to PDFs. I use following command convert page.jpg page.pdf and then combine multiple PDFs generated accordingly by command pdftk 1.pdf 2.pdf output result.pdf but I ...
8
votes
5answers
4k views

How to convert a .pdf file into a folder of images?

I have some .pdf files that I would like to convert to my preferred reading format of .cbr or .cbz or, if this isn't directly possible, I need to extract all pages from the .pdf as images and then ...
21
votes
7answers
15k views

How can I extract audio from MP4 or FLV video files?

Is there an application that allows me to extract the audio from a MP4 or FLV video file and store it as an MP3 file for use in a portable media player?

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