输入
| 幻像电源 |
24 V |
| 标称输入电平 |
-66/-33 dB |
| 麦克风/线路开 关增益 |
-30 dB |
| 输入阻抗 |
10000 Ω |
端口 & 界面
| 并口数量 |
2 |
| EF Bus出 |
1 |
| 调制解调器 (RJ-11)接口 |
2 |
| EF Bus入 |
1 |
| 音响的连接 |
2 x 3.5mm |
技术细节
| 会聚 |
40 dB/s |
| 取消跨度 |
270 ms |
| 线路输入范围 |
-20 - 0 dB |
| 回声消除 |
65 dB |
| 线路输出范围 |
-20 - 0 dB |
| 频率范围 |
20 - 22000 Hz |
能量控制
| 输出电流 |
20 mA |
| 输出功率 |
10 W |
| 输入电压 |
110 - 240 V |
| 接受频率 |
47/63 Hz |
Vortex EF2211 Single Channel Acoustic Echo / Noise Canceller With Phone Add
Telephone interface with ambient noise cancellation can dramatically improve the receive audio quality on phone call
- Includes a telephone hybrid, with noise cancellation, for adding phone calls to conferences
- One microphone/line input, two line inputs, three line outputs
- Country specific telephone configuration settings allow use almost anywhere
- 10-watt power amplifier for driving audio in the room
- Industry-leading acoustic echo and noise cancellation ensures the highest possible audio quality between sites
- 19 x 10 matrix with arbitrary cross point gain values
Features and Benefits
- Improves the overall audio quality of existing conferencing installations
- Ambient noise cancellation on microphone/line input and telephone receive audio
- Five-band parametric EQ on microphone/line input and line output
- Up to 32 user configurable presets, 16 factory presets, and 256 macros for flexible control
- Can link with Vortex products: Vortex EF2280, Vortex EF2241, Vortex EF2210 and Vortex EF2201
- Patented noise cancellation algorithms dramatically reduce ambient noise in the audio sent to other sites
Solutions
All Vortex products integrate with the Polycom SoundStation VTX 1000 and Polycom VSX series video conferencing units, such as the Polycom VSX 8000, for premium quality voice and video conferencing.
