Skip to main content
Skip to content

TimeLock

LTC timecode generator.

Web appMade by Mantaglow

Make an SMPTE LTC timecode WAV in your browser. Set the frame rate, start time and length, then play the file into anything that reads timecode.

TimeLock: frame rate 29.97 DF, 16-bit, 48000 Hz, start time and duration fields
Frame rates
6
23.976 to 30 fps
Bit depths
3
8, 16 and 24 bit
Sample rate
48 kHz
44.1, 48, 96 or your own
Price
Free
no account needed

LTC generator

Pick a frame rate and a start time, then play a few seconds of real LTC or save the WAV. It's TimeLock's own encoder running in this page, so the signal, the drop-frame counting and the file name match the app.

Frame rate
Start time
Length
01:00:00;00Ready · 29.97 DF fps · frame 1 of 150
Turn your volume down first. Timecode sounds like a loud buzz.
Runs
01:00:00;00 to 01:00:04;29
Real time
5.005 s
Samples at 48 kHz
240,240
File
0.48 MB, 16-bit mono

  • Frames
  • Seconds
  • Minutes
  • Hours
  • Flags
  • User bits
  • Sync word
TimeLock after saving LTC_01-00-00-00_29.97df_48000Hz.wav: 900 frames, 30.030 seconds

Set it, download it

Choose a frame rate, start time and duration, then download a mono LTC WAV. The file name carries the start time, rate and sample rate.

TimeLock frame rate menu: 23.976, 24, 25, 29.97 DF, 29.97 NDF and 30 FPS

Every common frame rate

23.976, 24, 25, 29.97 drop-frame, 29.97 non-drop and 30 fps. Drop-frame files stay frame-accurate over an hour or more.

Also in TimeLock

  • 44.1, 48 or 96 kHz, or a custom sample rate
  • 8, 16 or 24 bit
  • Start and length in HH:MM:SS:FF
  • Scroll or arrow keys to set each field
  • Frames stop at the limit for the rate
  • Sample-accurate over long files, no drift

Cut sheet

Runs on

  • Web, on any computer
  • Desktop app (not available)
  • Live output or jam sync (not available)

Your data

Nothing to store. The audio is generated on your own computer and saved to your downloads.

AI

None

Pricing

Free for everyone. No account needed.

Works with

  • Cameras and recordersAnything that reads LTC on an audio input
  • Lighting desks and media serversChase the file as LTC
  • Your show fileDrop it on a track and play it out
  • Mantaglow accountOptional. TimeLock works without it

Questions

Is TimeLock free?

Yes, and you don't need an account to use it.

Which frame rates does it support?

23.976, 24, 25, 29.97 drop-frame, 29.97 non-drop and 30 fps. Drop-frame files stay frame-accurate over an hour or more.

Can it output timecode live or jam sync?

No. TimeLock makes WAV files. Play the file from any audio player or playback system into the device that needs timecode.

What do I do with the file?

Play it into a camera, recorder, lighting desk or media server that reads LTC, or drop it on a track in your show file.

More from Mantaglow

TimeLockFree, no account
Open TimeLock