commit 7053a5bbd4a6431a7fb0a5507a6df7c7fe31f11b Author: Michael Murtaugh Date: Wed Oct 9 16:38:44 2024 +0200 tagradio + mixcloud (fun with subtitles) diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..682d0c8 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +*.mp3 diff --git a/mixcloud/fun_with_subtitles_01.sh.txt b/mixcloud/fun_with_subtitles_01.sh.txt new file mode 100644 index 0000000..16b3fab --- /dev/null +++ b/mixcloud/fun_with_subtitles_01.sh.txt @@ -0,0 +1,127 @@ +# yt-dlp installed with pip +# nb: you may need to update yt-dlp frequently to keep up with changes made by commercial services +# to prevent downloading tools like yt-dlp to stay working! +# +# pip install --upgrade yt-dlp +# +# Download the playlist, writing info in json +yt-dlp "https://www.mixcloud.com/radiowormrotterdam/playlists/worm-25/" --write-info-json + +# let's move the files to a sub-folder +mkdir worm25 +mv *.info.json *.webm worm25 + +# +# _.........._ +# | |xpub | | +# | | | | +# | | | | +# | |________| | +# | ______ | +# | | | | | +# |__|____|_|__| +# +# IN the early days of computer history +# on computers using DOS (or Disk Operating System) +# file names needed to conform to a very strict standard +# of 8 letters, with only A-Z , dash -, and underscore _ , and numbers 0-9 +# (and no spaces!) +# plus a 3 letter extension indicating the type of file +# for example README.TXT +# +# Copy one file in this folder and give it a short name +# +cp worm25/WORM\ 25：\ A\ history\ of\ WORM\ in\ 25\ Objects\ \#1：\ Mia\ on\ the\ hand-towel\ dispenser\ \(04.06.24\)\ \[radiowormrotterdam_worm-25-a-history-of-worm-in-25-objects-1-mia-o +n-the-hand-towel-dispenser-040624\].webm w25mia.webm + +# __ +# .,-;-;-,. /'_\ +# _/_/_/_|_\_\) / +# '-<_><_><_><_>=/\ +# `/_/====/_/-'\_\ +# "" "" "" +# NOTE: +# it may seem pointless to move files around and rename them with short names +# BUT... +# coding/working with the commandline requires A LOT OF FOCUS +# so steps to reduce "cognitive load" like sifting through long lists of confusing filenames +# that make working on the commandline slower and *harder to read* +# are really worthwhile! +# +# Also when working with digital materials, it's often tempting to try to +# address an entire collection (in this case all the recordings, and the whole hour of each recording) +# BUT ... +# it's really important when testing things out that you focus on a small sample +# in this way you make experimentation, including the *necessary errors +# and missteps*, as fluid as possible to stay in the flow, +# so that you can get through the bugs +# to the interesting results that will give you the energy +# and confidence to keep going! +# +# so in this case.... +# +# get something working for a 60 second sample +# THEN once you know it works... +# apply it to the whole hour long recording +# and eventually all the recordsings of the playlist + + +# Working with a long file also can take a lot of time when experimenting +# use ffmpeg to make a 30 second extract +# -ss is start time, -t duration (duration of final extract) +# at the same time, convert the wav to mp3 (for the browser) +ffmpeg -i w25mia.webm -ss 120 -t 60 w25mia60.wav + +# use vosk to transribe, to srt +# nb: worm25_mia_60wav is an INPUT and needs to already exist +# worm25_mia_60.srt is an OUTPUT and will be (re)created +vosk-transcriber -l en-us -i w25mia60.wav -t srt -o w25mia60.srt + +# SRT (SubRip Subtitle) comes from +# practices of PIRATE CURATION +# where films would be ripped from DVDs +# and distributed as video files +# SRT is then a simple (and small) text format for +# the missing subtitles, that can then +# be translated into many languages +# and distributed separately from the (heavier) video files +# Also due to the editability and understandability +# the format was so popular, that it became the +# basis of the W3C's web standard (web) VTT +# +# see also: https://www.opensubtitles.com/ +# +# The two are nearly the same except +# the file needs to have a "header" (the first line should be:) +# WEBVTT +# And the timecodes use a dot instead of a comma.. +# SO +# 00:00:00,075 --> 00:00:02,610 +# in SRT becomes in VTT: +# 00:00:00.075 --> 00:00:02.610 +# +# let's use a python script to convert from srt to vtt +scripts/srt2vtt.py w25mia60.srt w25mia60.vtt + + + +# make an mp3 for the browser +ffmpeg -i w25mia60.wav w25mia60.mp3 + +# adjust vtt.html to point to the mp3 + vtt +# LOOK AT vtt.html +# NB: to see captions, we need to use