Media

Multi-track audio,and you can hear it

Audacity, on a Void Linux desktop of your own.Record, cut and master — with the sound streamed back to your tab.

Audacity 3.7.82 cores · 4 GBOpens in a browser tab

hub://audacity

$ dxflow workflow create --identity audacity hub://audacity --start --link

01Pick a machinecores, memory and a rate per hour

02Create the workflowpulled from the hub, once

03Run it, then stopstopped when the work is done

The application

Edit the waveform,then master it

A tracked editor with the effects a mix actually needs.

Tracks and takes

Record or import as many tracks as the machine holds, and edit non-destructively.

The effect chain

Noise reduction, compression, EQ and normalisation, plus LADSPA and VST plugins.

Export what you need

WAV, FLAC, MP3 and Ogg, per track or as a mix, written to the volume.

How you run it

Every defaultis one override away

The session reads its settings from the environment, so you set them on the start line.

VNC_PASSWORDWhat the tab asks for. It ships as dxflow, and everyone reading this knows that.

PANEL and TASKBARBoth hidden, so the editor has the whole screen. Show either one to get the desktop back.

AUDIO_RATE and AUDIO_CHANNELSSound is on here, since this is an editor. Use 44100 in two channels when you are judging a mix rather than checking a cut.

start it your way

$ dxflow workflow start audacity --override env.app.VNC_PASSWORD=something-long

$ dxflow workflow start audacity --override env.app.AUDIO_RATE=44100 --override env.app.AUDIO_CHANNELS=2 --link

The session

The editorfills the screen

Streamed to your browser, with Audacity already maximized.

6082Browserin the tab, at /vnc.html

6100Audiothe sound, streamed with it

/volumeStorageyour files, kept between runs

The sound comes tooAUDIO is on for this one, so what plays on the machine plays in the tab.

Open it from anywhereStart with --link and the session comes back on an HTTPS address.

Set a password firstVNC_PASSWORD defaults to dxflow, and everyone can read this page.

Good to know

There is nomicrophone here

Playback reaches your tab through the desktop's sink, but nothing goes the other way.

No capture device

The container has an output and no input. Recording means pointing Audacity at a file or a stream, not at a mic on your desk.

What the stream costs you

The default rate favours the link over the fidelity. Turn it up before you make a decision you cannot unhear.

Projects belong on the volume

Keep the AUP and the exports under /volume, and the next start opens with the session intact.

The image

Pulled once,then it stays

Audacity arrives as one image. This is what comes down the first time, and what the disk should have free for it.

420Mamd64compressed, the way the registry counts it

415Marm64compressed, the way the registry counts it

20GOn diskunpacked, with room to work beside it

ghcr.io/dxflow-ai/audacity:latestPublished from the hub, pulled on the first start and kept for the ones after it.

Either architectureamd64 and arm64 are both published, and the machine pulls the one it runs.

What it asks for

What it wants,and what it needs

The definition asks for 2 cores and 4 GB. The image comes up on less than that, and a start given --fit trims the ask to whatever the machine actually has.

2 cores · 4 GBAsks forwhat the definition writes down

2 cores · 2 GBRuns onthe least the image comes up on

Not neededGPUit works on the cores alone

The ask is not the floorThe definition writes down what suits the work. The image itself starts on less, which is what the second figure is.

--fit caps it to the hostA start given --fit trims each step to what the machine actually has, for that start alone. The definition is never rewritten.

Machines that fit it

Audacity asks for 2 cores and 4 GB. Cheapest first.

E2 Medium

$0.042/ hour2 cores · 4 GBStart this machine

T3 Medium

$0.052/ hour2 cores · 4 GBStart this machine

B2s

$0.052/ hour2 cores · 4 GBStart this machine

Run Audacity on your own machinePick a machine that meets it, and it opens about a minute after you ask.

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