Audio
Better Audio Mixer
by knozz
Overview
Your audio mix, on the dials.
Better Audio Mixer brings the Windows volume mixer to your Stream Deck +. Assign an application or a microphone to a dial, turn it to set the volume, press it to mute. No more alt-tabbing to the Windows volume mixer mid-game or mid-call.
FEATURES
• Speed-sensitive dial: turn slowly for 1 % precision, turn fast to sweep the whole range in a second.
• Press the dial or tap the touch strip to mute or unmute.
• Control any open application: music, games, browsers, Discord, OBS…
• Control input devices such as microphones (whole device volume).
• Put several applications on one dial: they all follow the same level.
• Live sync: changes made in the Windows volume mixer appear on the dial.
• Clear touch strip: title, active app, large volume value and level bar, with Muted, Inactive and No app states. Minimal, Swiss-inspired design.
HOW TO USE
1. Drag the Mixer action onto a dial.
2. Choose an application or input from the list (grouped by Playing audio, Inputs and Other applications). Use + Add for more sources.
3. Set a title in the standard Stream Deck Title field (optional).
REQUIREMENTS
• Windows 10 or later
• Stream Deck 7.1 or later
• Stream Deck + (dials and touch strip)
GOOD TO KNOW
• Applications running only in the system tray appear in the list while they play audio.
• With several sources on one dial, the touch strip shows the volume of the first active source.
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AI USAGE
AI tools were used to help write the plugin's code and this description. All features were designed, tested and verified by the author on a real Stream Deck +. Gallery images are renderings of the plugin's actual interface (touch strip and settings), produced by its own code; no AI-generated imagery is used.
Better Audio Mixer 1.1 adds a second dial action, Compact Mixer: all your app groups on a single dial.
New
- Compact Mixer dial action: control several groups of applications from one dial.
Groups: in the action settings, name each group (Music, Chat, Game…) and add applications or input devices with + App. Add as many groups as you want with + Add group.
List on the touch strip: every group is shown with its volume and a level bar, four at a time, with a scroll bar when there are more.
Turn the dial to browse the groups, press it to select one, then turn it to set that group's volume. Press again to go back to the list.
Hold the dial to mute / unmute the highlighted group. A muted group keeps its volume visible in grey, next to a red Muted label.
Touch: tap a group on the touch strip to select it directly, or hold it to mute it.
Same speed-dependent volume step as the Mixer action: 1 % per tick when turning slowly, up to 5 % when turning fast.
Groups whose applications are not playing audio show a dash, and come back as soon as they play.
Known limitations
- In a group with several applications, the displayed volume is the one of the first application of the group that is playing audio; turning the dial sets every application of the group to that level.
- The groups belong to one dial: two Compact Mixer dials each have their own list.
Version 1.1
Nov 6, 2026
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