Radio Radio - Revision history

Vitrinekast at 21:42, 26 October 2023

2023-10-26T21:42:01Z

← Older revision		Revision as of 23:42, 26 October 2023
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	== Compressing the shit out of audio files ==		== Compressing the shit out of audio files ==

			[[File:Specto-of-input.png\|thumb\|High res input flac]]


	Using a combination of sox and ffmpeg, i was able to get the following step-by-step result, all towards lowering the filesize of the input audio.		Using a combination of sox and ffmpeg, i was able to get the following step-by-step result, all towards lowering the filesize of the input audio.
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	Then trough the previous compression syntax and an addtional denoise		Then trough the previous compression syntax and an addtional denoise

			[[File:Denoise mp3.mp3.png\|thumb\|Output after some compression and denoise]]

	<syntaxhighlight>		<syntaxhighlight>
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	Results in 217KB of mp3! a reduction of 99.16%!		Results in 217KB of mp3! a reduction of 99.16%!
	{{audio\|mp3=https://pzwiki.wdka.nl/mw-mediadesign/images/6/61/Denoise_mp3.mp3}}		{{audio\|mp3=https://pzwiki.wdka.nl/mw-mediadesign/images/6/61/Denoise_mp3.mp3}}



	== Creating a private radio stream ==		== Creating a private radio stream ==
	- using [https://icecast.org/ icecast] and darkIce		- using [https://icecast.org/ icecast] and darkIce

2023-10-26T21:38:30Z

← Older revision		Revision as of 23:38, 26 October 2023
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	</syntaxhighlight>		</syntaxhighlight>

	Results in 217KB of mp3!		Results in 217KB of mp3! a reduction of 99.16%!
	{{audio\|mp3=https://pzwiki.wdka.nl/mw-mediadesign/images/6/61/Denoise_mp3.mp3}}		{{audio\|mp3=https://pzwiki.wdka.nl/mw-mediadesign/images/6/61/Denoise_mp3.mp3}}

	== Creating a private radio stream ==		== Creating a private radio stream ==
	- using [https://icecast.org/ icecast] and darkIce		- using [https://icecast.org/ icecast] and darkIce

2023-10-26T21:36:56Z

← Older revision		Revision as of 23:36, 26 October 2023
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	</syntaxhighlight>		</syntaxhighlight>

			Then trough the previous compression syntax and an addtional denoise

			<syntaxhighlight>
			ffmpeg -i output.mp3 -af "afftdn=nr=10:nf=-30:tn=1" denoise_mp3.mp3
			</syntaxhighlight>

			Results in 217KB of mp3!
			{{audio\|mp3=https://pzwiki.wdka.nl/mw-mediadesign/images/6/61/Denoise_mp3.mp3}}

	== Creating a private radio stream ==		== Creating a private radio stream ==
	- using [https://icecast.org/ icecast] and darkIce		- using [https://icecast.org/ icecast] and darkIce

2023-10-26T21:31:44Z

@@ Line 19: / Line 19: @@
 ffmpeg -i 5_output_dynamic-range.wav -c:a libopus -b:a 16k output.opus
 </syntaxhighlight>
 == Creating a private radio stream ==
 - using [https://icecast.org/ icecast] and darkIce

2023-10-26T21:12:33Z

← Older revision		Revision as of 23:12, 26 October 2023
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	From 25.3MB Flac to 1.7MB .mp3 and 369KB Opus!		From 25.3MB Flac to 1.7MB .mp3 and 369KB Opus!
	{{audio\|mp3=https://pzwiki.wdka.nl/mw-mediadesign/images/a/ac/Super-compression_20231026_output.mp3}}		{{audio\|mp3=https://pzwiki.wdka.nl/mw-mediadesign/images/a/ac/Super-compression_20231026_output.mp3}}

			Protocol for compression
			<syntaxhighlight>
			ffmpeg -i input.flac -b:a 8k 1_output_lowest_bitrate.wav
			sox 1_output_lowest_bitrate.wav -c 1 2_output_mono.wav
			sox 2_output_mono.wav -r 8000 3_output_lowest_sample_rate.wav
			sox 3_output_lowest_sample_rate.wav -b 8 4_output_lowest_bit_depth.wav
			sox -v 0.02 4_output_lowest_bit_depth.wav -G 5_output_dynamic-range.wav compand 0.1,0.3 -60,-60,-30,-15,-20,-12,-4,-8,-2,-7 -2
			ffmpeg -i 5_output_dynamic-range.wav -c:a libvorbis output.ogg
			ffmpeg -i 5_output_dynamic-range.wav -b:a 192k output.mp3
			ffmpeg -i 5_output_dynamic-range.wav -c:a libopus -b:a 16k output.opus
			</syntaxhighlight>


	== Creating a private radio stream ==		== Creating a private radio stream ==
	- using [https://icecast.org/ icecast] and darkIce		- using [https://icecast.org/ icecast] and darkIce

2023-10-26T21:09:29Z

← Older revision		Revision as of 23:09, 26 October 2023
Line 5:		Line 5:
	Using a combination of sox and ffmpeg, i was able to get the following step-by-step result, all towards lowering the filesize of the input audio.		Using a combination of sox and ffmpeg, i was able to get the following step-by-step result, all towards lowering the filesize of the input audio.
	Mediawiki limits the use of .wav, .opus and .ogg, so slightly altered results. But using wav's, i got to the following		Mediawiki limits the use of .wav, .opus and .ogg, so slightly altered results. But using wav's, i got to the following
			From 25.3MB Flac to 1.7MB .mp3 and 369KB Opus!
			{{audio\|mp3=https://pzwiki.wdka.nl/mw-mediadesign/images/a/ac/Super-compression_20231026_output.mp3}}


	== Creating a private radio stream ==		== Creating a private radio stream ==
	- using [https://icecast.org/ icecast] and darkIce		- using [https://icecast.org/ icecast] and darkIce

2023-10-26T21:03:39Z

← Older revision		Revision as of 23:03, 26 October 2023
Line 1:		Line 1:
	Documentation of creating the radio radio		Documentation of creating the radio radio

			== Compressing the shit out of audio files ==

			Using a combination of sox and ffmpeg, i was able to get the following step-by-step result, all towards lowering the filesize of the input audio.
			Mediawiki limits the use of .wav, .opus and .ogg, so slightly altered results. But using wav's, i got to the following



	== Creating a private radio stream ==		== Creating a private radio stream ==
	- using [https://icecast.org/ icecast] and darkIce		- using [https://icecast.org/ icecast] and darkIce

2023-10-11T15:32:41Z

← Older revision		Revision as of 17:32, 11 October 2023
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	== Creating a private radio stream ==		== Creating a private radio stream ==
	- using icecast		- using [https://icecast.org/ icecast] and darkIce

2023-10-11T15:26:29Z

Created page with "Documentation of creating the radio radio == Creating a private radio stream == - using icecast"

New page

Documentation of creating the radio radio

== Creating a private radio stream ==
- using icecast