FREQTWEAK(1)

🎀 FREQTWEAK(1) 🎀

okay so welcome to the General Commands Manual entry for freqtweak, bestie — this is the whole scoop on the realtime audio frequency spectral manipulation tool, and it's genuinely iconic. 💅

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🌸 NAME 🌸

freqtweak — realtime audio frequency spectral manipulation, no cap. ✨

✨ SYNOPSIS ✨

freqtweak [-h] [ -c <num> ] [ -i <str> ] [ -o <str> ] [ -n <str> ] [ -D <str> ] [ -p <str> ] [ -r <str> ]

💖 DESCRIPTION 💖

so freqtweak is this graphical tool for realtime audio spectral manipulation and display — it's giving main character energy. It ships several algorithms for processing audio data in the frequency domain plus a highly interactive GUI so you can manipulate each associated filter. It also gives you high-resolution spectral displays: scrolling-raster spectrograms and energy vs frequency plots that display both pre and post-processed spectra. obsessed. 🦋

🎀 MOUSE CONTROL 🎀

okay so the processing filters are controlled through mouse operations on each filter GUI window, and the possible operations are giving:

• Left button click/drag to draw filters. If Control is down, the y-axis is fixed at the last cursor location (to draw nice horizontal lines). If Control and Alt are down you can draw nice arbitrary straight lines.
• Right button drag to move filters around in space. The filters wrap around the left/right edges unless you hold down Control. Dragging with both left and right buttons down on the GUI for the Gate processor moves both the primary and the alternate filter together.
• Holding Shift modifies the alternate filter (on double filter graphs like Gate) for the previous operations.
• Middle-button pops up frequency axis menu.
• Ctrl-Alt right-click resets a filter to default values.
• Shift-Ctrl-Alt left-drag zooms in on the y axis. Look at the status bar to see the values for the cursor itself and the values of the filter at the cursor's frequency.
• Shift-Ctrl-Alt right-click release resets the Y-zoom to full.
• The B and BA buttons mean Bypass and Bypass All respectively.
• The L and LA buttons mean Link and Link All respectively.
• The G and GS buttons mean Toggle Grid and Toggle Grid Snap respectively.

💅 OPTIONS 💅

This program follows the usual GNU command line syntax, with long options starting with two dashes (-). A summary of options is included below, bestie:

• -h, --help — Show summary of options.
• -c <num>, --channels=<num> — Processing channels (1-4). Default is 2.
• -i <str>, --inputs=<str> — Connect inputs from these jack ports (separate each channel with commas). Defaults to 'alsa_pcm:capture_1,...'
• -o <str>, --outputs=<str> — Connect outputs to these jack ports (separate each channel with commas). Defaults to 'alsa_pcm:playback_1,...'
• -n <str>, --jack-name=<str> — Jack name. Default is freqtweak_1.
• -D <str>, --tmpdir=<str> — Jack server tmp directory (should match jackd --tmpdir).
• -p <str>, --preset=<str> — Load the given preset initially.
• -r <str>, --rc-dir=<str> — Specifies what directory to use for run-control state. Default is ~/.freqtweak.

🦋 EXAMPLES 🦋

Here's the vibe: an example of using freqtweak with an alsaplayer feeding it, and output going to speakers (alsa_pcm:out_?) without using a JACK patchbay:

Start freqtweak first with this command line:

freqtweak -n ft &

Then start alsaplayer like so:

alsaplayer -o jack -d ft:in_1,ft:in_2 &

🌈 SEE ALSO 🌈

jackd(1), jack_connect(1), jack_lsp(1) — go read those too, iykyk. 🌈

👑 AUTHOR 👑

Freqtweak was written and is maintained by Jesse Chappell <jesse@essej.net>.

This manual page was created by Enrique Robledo Arnuncio <era@debian.org> for the Debian GNU/Linux system, using text from the README file by Jesse Chappell.

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mwah 💋 — this FREQTWEAK(1) page is dated February 11, 2003, and that's the footer vibe, bestie. 🫶