Ustream Producer Proの必要ハードスペック：Ustream.Tv（情報元のブックマーク数）
Ustream Producer Proを買うか、LiveShellを買うか悩んでるなう。
一応以下を確保。
http://www.ustream.tv/support-center/producer-requirementsWindows
- Windows 7 Processor: 2.3 GHz 32- or 64-bit, 1 GB RAM, or:
- Windows Vista Processor: 2.3 GHz 32-bit (x86), 1 GB RAM, or:
- Windows XP, SP2 Processor: 2.1 GHz 32-bit (x86), 512 MB RAM
- QuickTime 7.5
- 200 MB HD (for install)
- HD space for recording to disk
- 32 MB PCI-Express graphics card with 3D acceleration (GeForce or Radeon class card recommended)
- Microsoft® DirectX 9.0c
- GeForce 5200, Radeon 9600 or better for Chroma Key
- Sufficient upload speed (500kbps for low quality, 800kbps for good, 1.6 Mb and up for HD).
