2004منتدى Video Assist and Video Accessories
مُسجل القرص الصلب في طراز Archos AV-320 على متن المركبة Steadicam
مضى على هذا 22 سنة. قد تكون المعدات والأسعار قد تغيّرت منذ ذلك الحين.
موضع خلافاختلف المشاركون ولم يصلوا إلى خلاصة. اقرأ النتائج على أنها مواقف، لا إجابة.
ما توصّل إليه النقاش
- The Archos AV-320 is a light weight hard drive-based video recorder that can store 45 hours of video and runs on rechargeable lithium batteries, making it suitable for onboard Steadicam use.
- The tool accepts RCA or S-Video input and can output to component video or larger monitors.
- Video recorded in MPEG-4 format with compression playback at 320x240 resolution appears acceptable for frame reference on the device's own 3.8-inch screen but degrades significantly when displayed on larger monitors.
- The recorder produces image quality suitable for detecting camera shadows, boom shadows, and unwanted objects in frame, but not reliable enough for critical focus checking due to compression artifacts.
- Instant random access to any recorded shot is possible without rewinding tape, and the device functions as a media player for music and video during travel downtime.
- The recorder can output video to external monitors or be digitized through digital cameras into editing systems like Avid or Final Cut Pro.
- Recording quality at higher bitrates (2000) displays acceptably on large screens, while lower bitrates (1500) appear pixilated on large displays.
- The device is lighter and more compact than conventional Mini-DV recorders when the recording adapter is attached, though it becomes longer than some competing options.
- Typical retail pricing ranged from 499 to 900 dollars depending on model and retailer during the discussion period.
يعتمد على
- MPEG-4 compression is a lossy codec that removes image data; higher compression ratios result in more visible artifacts on large screens.
- Image quality degrades when output is scaled up from native 320x240 resolution to larger displays.
- The recording adapter adds length and weight to the basic unit, potentially complicating mounting on Steadicam sleds.
- Users reported that playback quality on external monitors is insufficient for accurate director review without simultaneous transmission from a video tap.
- The video output format makes it difficult to edit recorded material directly; digitization through an intermediate camera into editing software is required.
- Focus checking is compromised not only by recorder quality but also by inherent limitations of video taps and ground glass systems in Steadicam rigs.
- Some users found competing options like portable Mini-DV recorders offered superior image quality despite being heavier and requiring tape changes.