Prototyping/2019-2020/T3: Difference between revisions

Revision as of 17:45, 8 May 2020

Prototyping session Spring 2020, in the context of Special Issue #12: Radio Implicancies

COMMAND-LINE AUDIO WORKSTATION

the materiality of digital audio: samples, sampling rate, sample width, format, channels... See Sound and listening
Why does a 8000Hz recording sound different than 44100Hz?
playing "raw" and non-sound data ... See Sonification
the example of the phonautograph
commandline audio editing with ffmpeg...
cutting: extracting chunks with a start / duration
assembling
bash scripts with loops / variables for audio manipulation
Example: spectrumsort
Filtering for radio/streams:
compression (as in Dynamic range compression different from audio data compression
"Loudness" and "Normalisation"... What is replaygain and why can it help?
liquidsoap for sound processing

Exercise: Create an "audio probes" a combination of particular content and a filter that (metaphorically, or literally) resonate

resources:

Question relevant to the special issue: Are we streaming in stereo / mono? At what bitrate... Does it matter?

VOICE

Projects spɛl ænd spik. hellocatfood (antonio roberts) https://www.hellocatfood.com/spell-and-speak/

PLAYER

Radio webpage

Audio player (html/js)
guest book cgi??!! (socially determined captcha !)
Player: display metadata (Metadata from icecast? https://stackoverflow.com/questions/6115531/is-it-possible-to-get-icecast-metadata-from-html5-audio-element ) TRY!
Generate podcast/RSS with json + Template (template.py(python+jinja)/makefile)
Stream access (scheduling)

(meta/way of working Publishing via git/githook TRY! )

BOTS

Cross system / bots (2 parts?)

@@ Line 5: / Line 5: @@
 * Listen: [[Alvin Lucier]]'s [http://ubusound.memoryoftheworld.org/source/Lucier-Alvin_Sitting.mp3 I am Sitting in a room] {{audio|mp3=http://ubusound.memoryoftheworld.org/source/Lucier-Alvin_Sitting.mp3}}
+* Listen: [[Janet Cardiff]] {{audio|mp3=http://ubusound.memoryoftheworld.org/cardiff_janet/slow_river/Cardiff-Janet_A-Large-Slow-River_2001.mp3}}
 * the materiality of digital audio: samples, sampling rate, sample width, format, channels... See [[Sound and listening]]
 * Why does a 8000Hz recording sound different than 44100Hz?