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الوصف

Watch it in action: https://youtu.be/2XhezUnM9j4

Proximity voice chat for your multiplayer game: voices fade with distance, walls muffle them - and when a friend wanders off, she comes through a crackly walkie-talkie. Blueprint-ready, Unreal's own voice chat, no servers to rent.

Your friend walks into the fog. Her voice gets quieter, quieter... kshhk - "I found something, come here." She's on the radio now.

That is the whole plugin in one moment. Enable it, start a listen server, hold V - your players hear each other where they stand, and out of earshot the voice switches to a walkie-talkie on its own, at any distance. No voice service, no subscriptions, no .ini edits: it runs on the engine's built-in voice chat or Steam.

Proximity voice

  • Voices sit on the characters in 3D: full to 15 m, silent at 50 m (Natural Sound curve - every distance is a setting)

  • Walls between players muffle the voice

  • Push to talk (V / gamepad D-pad down, Enhanced Input), open mic or off

  • Pick the microphone at runtime, noise gate, echo guard (a friend without headphones does not send your voice back)

  • Mute or set the volume of any player

Walkie-talkie radio

  • Past 32.5 m the voice turns into radio and stays heard at any distance

  • Sounds like a radio: narrow band, nasal ring, light overdrive, hiss only while someone talks, a squelch click as the call opens and closes

  • Auto level: microphones 20 dB apart come out 1 dB apart (measured) - no more whisperers and screamers

  • Radio channels for teams, Set Has Radio for a radio item, an optional Radio Range with static at the edge

  • Set Radio Interference - one node for storms, jammers or a dying battery: static, crackles, fading, dropouts, and the words stay readable

NPCs and any sound

  • Proximity Voice Speaker component: Say(sound) and a bot, an NPC or a radio set talks the same way a player does - distance, radio, static, the HUD. Replicated when called on the server. Fill Lines + Repeat Every for radio chatter with zero Blueprint.

  • The radio sound as Source Effect Presets on any sound: Handheld, Military, Megaphone, Telephone - announcers, phone calls, PA systems

See who is talking

  • Voice HUD (UMG, restyle it freely): marks over talking heads, a talking list, your own ON AIR mark, RADIO / STATIC tags

  • Every player in their own colour, in the world and in the list

  • WBP_MicTest settings card: microphone list, live meter with the gate, open mic / push to talk / off

Made for developers

  • Everything from Blueprints; C++ source included

  • A Rules object you override in Blueprint: Can Hear, Is Heard Over Radio, Get Radio Interference, Get Volume Scale - teams, dead players, soundproof rooms, jammers

  • Voice from File: send a .wav or Sound Wave into your own voice chat, over the network - test voice alone, no second person needed

  • Joining by address (open 127.0.0.1, LAN) works with the built-in voice; with Steam use sessions as usual

  • Voices run through their own submix (leveller + limiter), so a recorder can leave them out of videos

  • Demo map, sample Blueprints, console commands, a self-test, README

Tested: a Blueprint-only project with the packaged plugin (self-test 11/11 passed), listen server + client (a WAV sent by the client was heard on the server), strict build.

Technical details

Features: proximity voice chat (3D, distance falloff, occlusion), automatic radio beyond earshot, radio channels, interference, radio source effect (4 presets), NPC speaker component with chatter, voice HUD and mic test widgets, push to talk / open mic, input device choice, noise gate, echo guard, voice from file, per-player mute and volume, overridable rules, voice submix, console commands, self test.

Code modules: ProximityVoice (Runtime)

Number of Blueprints: 6 (WBP_VoiceHud, WBP_VoiceRosterRow, WBP_VoiceTalkerMarker, WBP_MicTest, BP_ProximityVoiceSample, BP_RadioNPC)

Input: 1 action, 1 mapping context. Sound effect presets: 4 radio + 4 chains. Submix: 1 (+2 dynamics presets). Sounds: 2 squelch + 9 demo voice lines. Demo map: ProximityVoice/Demo/Lvl_ProximityVoiceDemo

Network replicated: Yes (radio flag, channel and colour on the player state component; speaker Say multicast)

Supported development platforms: Windows. Supported target build platforms: Windows (Win64).

Documentation: README.md in the plugin folder.

Important notes: Unreal Engine 5.8 only. Uses the engine's voice chat: built-in (Null) and Steam; EOS Voice Chat and consoles are not supported or tested. Dedicated servers not tested yet. Demo voices are synthesized and free to use. No third-party software.

Support: [email protected]

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