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Re: [Hamara-devel] Fwd: Videos of MiniDebConf Bucharest 2015 (Debian Women)

I used Audacity for years, it’s pretty good.

OcenAudio is great too, nicer UI: http://www.ocenaudio.com.br/download

On 27 Oct 2015, at 14:11, shirish <shirish@hamaralinux.org> wrote:

at bottom :-

On 10/27/2015 07:23 PM, shirish शिरीष wrote:
---------- Forwarded message ----------
From: Amey Abhyankar <sco1984@gmail.com>
Date: Mon, 26 Oct 2015 10:42:39 +0530
Subject: Fwd: Videos of MiniDebConf Bucharest 2015 (Debian Women)
To: _List_Debian_Indian_Users <debian-dug-in@lists.debian.org>


---------- Forwarded message ----------
From: Laura Arjona Reina <larjona@debian.org>
Date: 23 October 2015 at 02:28
Subject: Videos of MiniDebConf Bucharest 2015 (Debian Women)
To: debconf-video@lists.debconf.org, debconf-mini-bucharest@lists.debian.org
Cc: debian Women <debian-women@lists.debian.org>

Hash: SHA1

Dear DebConf-Video team, Debian Women and Debian MiniDebConf Bucharest

Marga passed to me several months ago an url to the RAW video files,
named 00000.MTS to 00007.MTS

I've watched all of them and uploaded to my site the ones with talks:


(the others are recordings of the room while breaks etc).

In that folder there is also a txt file with the hh:mm of cuts for the
different talks.

Note that I only have the talks of Saturday, I don't know if there are
more videos in other place (sorry, I lost the original URL that Marga
gave me too, I just downloaded the videos that were there, and didn't
save the URL).

I don't know if the video team may upload the videos plus the txt file
for now, or better to finish the work first.

So, the pending work. I have no idea about video
editing/transcoding/formats, but I suppose the next steps would be:

1.- Actually cut the videos, and transform them to webm format
(ogg+theora vorbis). I suppose I can use openshot or kdenlive for
that. I know how to cut the videos. I'm more lost about the format and
quality desired for the output. If you can help me giving me the
details about format resolution, fps or quality, whatever I have to
tell to openshot o kdenlive in the "export" process, I'd be very
thankful for that.

Hi Amey,
Dunno if you are asking for advice or is it Laura. Anyways, the best bet would be to use ffmpeg as it already has support for transcoding and is now in debian.

[$] ffmpeg -buildconf                                                            [19:32:52]
ffmpeg version 2.8.1-1 Copyright (c) 2000-2015 the FFmpeg developers
 built with gcc 5.2.1 (Debian 5.2.1-21) 20151003
 configuration: --prefix=/usr --extra-version=1 --build-suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-openal --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libsnappy --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi --enable-opengl --enable-x11grab --enable-libiec61883 --enable-libdc1394 --enable-libzmq --enable-frei0r --enable-libx264 --enable-libopencv
 libavutil      54. 31.100 / 54. 31.100
 libavcodec     56. 60.100 / 56. 60.100
 libavformat    56. 40.101 / 56. 40.101
 libavdevice    56.  4.100 / 56.  4.100
 libavfilter     5. 40.101 /  5. 40.101
 libavresample   2.  1.  0 /  2.  1.  0
 libswscale      3.  1.101 /  3.  1.101
 libswresample   1.  2.101 /  1.  2.101
 libpostproc    53.  3.100 / 53.  3.100


As can be seen both libtheora and libvorbis are good there. A handy way to start would be https://trac.ffmpeg.org/wiki/TheoraVorbisEncodingGuide

Also see https://flossmanuals.net/ogg-theora/encoding/vlc/

Although the last word on this is and always has been http://forum.doom9.org/ where they have been playing with transcoding for over number of years.

2.- If possible, enhance the audio (volume + deleting noise). I have
no idea about how to do that, nor which tool to use.

My best machine to do this work is a laptop year 2011 with AMD dual
core processor E300, AMD Radeon HD 6310, and 6GB RAM, which runs
Debian stable. I suppose it can do the work but may take days, that's
why I'd like to know well in advance how to proceed.

Any advice?

For deleting noise and enhancing audio, the only tool I know is Audacity (in free software) and this is the way you can go about it.


Thank you very much, and sorry for the delay in beginning this task.

- --
Laura Arjona Reina
Version: GnuPG v1


If somebody wants to add something, they are welcome to do so, maybe Vikas as he's also played with free software and audio quite a bit.

Shirish Agarwal,
Community Lead,
Hamara-devel mailing list

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