EZ Cart from Ludlow Peak

Fire on cue.
Every cue.

EZCart is a professional broadcast audio cart machine for Windows. Native WASAPI exclusive mode, Dante and ST 2110-30 IP audio routing, full MIDI control — everything a control room needs to put audio on the wire in under 5 milliseconds.

Only the trial version is available now. Full version coming soon.

Beta Software: v0.2.5-beta is an early access release. Use in live production at your own risk. Full release coming soon.

Windows 10 / 11
WASAPI Exclusive
$299 one-time
EZCart — Morning News
WASAPI Exclusive 48kHz · 32-bit float Page 1 / 3
INTRO STING
0:04
NEWS THEME
0:30
BREAK MUSIC
3:24 ↻
WEATHER BED
2:00
SPORTS BUMP
0:08
TRAFFIC ID
0:05
SIGN-OFF
0:15
empty
empty
F1–F9 · Space · Ctrl+Z

Load. Map. Fire.

01
Load your audio

Drop audio files onto cart buttons. EZCart decodes to 32-bit float at your target sample rate — 48kHz or 96kHz — and holds the PCM in memory. No disk access on playback. Unlimited carts across unlimited pages per session.

02
Map your outputs

Select Analog, Dante AoIP, or ST 2110-30 as your output mode. Assign each cart to a stereo channel pair on your multi-channel interface — up to 32 stereo pairs simultaneously. EZCart opens WASAPI and holds the device for zero-latency access.

03
Fire on cue

Hit a cart button, press F1–F12, or trigger via MIDI from your console, router, or footswitch. The native WASAPI render thread writes audio to the hardware buffer in under 5ms on a dedicated interface. The log captures every fire automatically.

Built for the Control Room.

Every feature decision was made with broadcast in mind — IP audio, MIDI, low latency, and session reliability.

Sub-5ms WASAPI Audio Engine

Native WASAPI exclusive mode delivers hardware-level latency on dedicated interfaces — RME, MOTU, Dante Virtual Soundcard. No OS mixer, no resampling, no buffering artifacts. Shared mode fallback for consumer devices. Status bar confirms which mode is active on every launch.

Native Dante & ST 2110-30

Select your Dante or AES67 device and EZCart routes audio directly onto your IP network — no converters, no patch bays. Compatible with Dante Virtual Soundcard, Lawo VSC, and any AES67-compliant interface that presents as a Windows audio device. Per-cart channel pair assignment up to 64ch.

Full MIDI Control

Per-cart MIDI trigger with configurable note, channel, and velocity. Separate Play and Stop notes. Note On or Note Off trigger mode. Any Channel mode. MIDI out for button-lit controller feedback — fire a cart and light up your console. MIDI Learn on every input field.

Unlimited Pages & Cues

4, 6, or 8 column grid. Unlimited cart pages per session. Drag-and-drop reorder within a page. Rundown number filter highlights relevant cues in real time — type a number and the rest dims. F1–F12 keyboard shortcuts. Space bar and Ctrl+Z for stop and undo.

Playback Log

Every fire and stop is timestamped and logged automatically. Export as TXT, CSV, or PDF at any time. Auto-saves on close. Useful for compliance logging, rights reporting, billing by airtime, and post-show review.

Session Save & Restore

Full session state saved to a .ezcart file — cart names, colors, file paths, channel assignments, MIDI mappings, and rundown numbers. Auto-saves to local storage on every change. Load yesterday's show and be on-air in seconds.

Audio Output Routing
Analog
WASAPI default endpoint. Stereo L/R. Works with any Windows audio device.
Dante AoIP
Select Dante Virtual Soundcard or hardware. Per-cart stereo pair assignment.
Ch 1–2 Ch 3–4 Ch 5–6 Ch 7–8 Ch 9–10 Ch 11–12 Ch 13–14 Ch 15–16
ST 2110-30 BETA
AES67 / ST 2110-30 interface. Same per-cart channel routing as Dante. Tested with Lawo, Nevion, Embrionix, and Audinate hardware.
Compatible Interfaces
Dante Virtual Soundcard (DVS)
Lawo VSC / mc² consoles
RME, MOTU, Focusrite (analog)
Nevion, Embrionix, AES67 hardware
Any Windows WASAPI-compatible device

No surprises in the rack

Audio Engine
PlatformWindows 10 / 11 (x64)
EngineWASAPI Exclusive Mode (native N-API addon)
Latency<5ms on dedicated audio interface
FallbackWASAPI Shared Mode / Web Audio API
Sample rates44.1, 48, 88.2, 96 kHz
Bit depth32-bit float
FormatsWAV, MP3, AIFF, FLAC, OGG
Output channelsUp to 64ch / 32 stereo pairs
IP AudioDante AoIP, ST 2110-30 (beta), AES67
macOSComing soon
MIDI
ProtocolStandard MIDI 1.0
Per-cartPlay note, Stop note, channel, velocity
Trigger modesNote On, Note Off
Channel filterSpecific channel or Any Channel
MIDI LearnYes — per input field
MIDI outNote On/Off feedback on fire and stop
Session & Interface
File format.ezcart (JSON v3)
Auto-savelocalStorage on every change
Grid layouts4, 6, or 8 columns
PagesUnlimited per session
KeyboardF1–F12, Space, Ctrl+Z
Playback logTXT, CSV, PDF export
Rundown filterReal-time highlight by rundown #
Licensing
Price$299 — one-time perpetual
Trial5-day full-featured trial
Machines1 active machine per serial
TransferDeactivate in-app — move to new machine
UpdatesAll v1.x updates included
ActivationOnline at ludlowpeak.com

One price. No subscription.

$299
One-time perpetual license
Includes all v1.x updates. v2.x major update $99.
Windows license (macOS same serial when available)
5-day full-featured trial before you pay
WASAPI Exclusive & Shared mode audio engine
Native Dante AoIP and ST 2110-30 routing
Full MIDI trigger and feedback
Unlimited pages, carts, and sessions
1 active machine — deactivate and transfer anytime
Email support — support@ludlowpeak.com

Only the trial version is available now. Full version coming soon.

Beta — Trial (14-day free trial)

Serial delivered by email instantly after purchase. No account required.

Beta Software: v0.2.5-beta is an early access release. Use in live production at your own risk. The full release version is coming soon.