2008Video Assist and Video Accessories forum
Finding a lightweight frameline generator for wireless HD-to-SD transmission on film sets
18 years old. Gear and prices may have changed since.
What the thread found
- When transmitting HD video wirelessly to SD, framelines cannot be generated in-camera and must be added externally to the transmission signal.
- Placing a frameline generator between a wireless receiver and monitors can cause the generator's digital circuitry to malfunction due to artifacts in the transmitted video signal.
- The Transvideo Frameliner is a compact option weighing approximately half a pound for generating framelines on wireless video feeds.
- CEI frameliner units exist as lightweight alternatives but are analog-based and may experience drift and instability over time.
- Mounting an outboard downconverter and transmitter on the camera backpack allows frameline generation in the tape deck before wireless transmission.
- Attempting to switch frameline overlays between wireless and hardwired downconverted images across multiple monitors simultaneously is impractical on set.
- Applying neutral density gel to monitors can allow viewing of protected framing areas while maintaining visible frame safety lines.
Depends on
- Wireless video transmission introduces artifacts that degrade digital frameline generator performance.
- Analog frameline generators may drift and require constant adjustment.
- Solutions discussed are specific to the Genesis camera in two-piece wireless configuration.
- The XCS frameline generator unit mentioned is heavily built and not portable for shoulder-mounted operation.
- Multiple competing monitor feeds with different frameline requirements complicate setup choices.