2008منتدى Video Assist and Video Accessories
شاشات فيديو لاسلكية محمولة وخيارات مسجلة للمديرين في مجموعات الأفلام
مضى على هذا 18 سنة. قد تكون المعدات والأسعار قد تغيّرت منذ ذلك الحين.
ما توصّل إليه النقاش
- A portable 2.4 GHz wireless video receiver can be obtained at low cost and combined with recording capability to an SD card
- Wireless video receivers operating at 2.4 GHz can record received signals in MPEG4 format at 640x480 resolution and 25fps
- Battery life on compact wireless receivers is typically around 4 hours of continuous use
- Recording and playback controls on compact wireless receiver units are simple single-button operations
- Wifi-based wireless video transmission systems typically exhibit latency of 0.5 to 1.5 seconds in practice, making them problematic for real-time monitoring during filming
- Wifi video transmission systems experience signal loss issues when moving between wireless access points, though this can be mitigated with proper infrastructure setup in controlled environments like sporting venues
يعتمد على
- The wireless receiver mentioned operates only at 2.4 GHz and does not receive analog UHF or VHF channels
- Video recording quality is compressed and lower resolution, suitable for small screen viewing and framing checks but not for broadcast delivery
- The built-in battery cannot be swapped during operation, requiring multiple units to be carried for extended shooting days
- Wifi-based solutions require significant infrastructure investment and are best suited to stationary or arena-type locations
- The product discussed may no longer be available or may have changed specifications since the 2008 discussion date