型号:SL-25 AR
SL-25基于“增大化现实”技术
19英寸音频编码器
sl25-25音频是我们的解决方案,它使用专业的平衡输入来传输现场音频。
sl-25音频填补了WMT AR和我们的固定IP编码器之间的空白。
该设备是一个19英寸的机架,支持4个通道的双向音频传输。
对于每一个输入,都可以使用xlr-3或使用立体声6.3 mm杰克输入来控制音量和使用麦克风输入。
sl-25音频可以用点到点或在多点设置中使用WMT服务器作为分发服务器。
默认情况下,该单元是两种方式,但也可以在一种方式架构中使用。
该设备默认有两个连接的以太网端口,但也有可能添加WiFi或4G网络以备备份。
该单元是远程管理的,但通过以太网管理端口接口可以实现。
具体的用例是每天的祈祷、当地电台分发和内部广播的分发。
音频是用AAC编码的,可以以比特率在40到256 kbit之间设置。
Specifications
ANALOGUE OUTPUT PERFORMANCE
- Nominal Output Level: 0dBFS = 10dBu, balanced
- Frequency Response: 20Hz - 20kHz +/- 0.2dB
- THD+N: < 0.001% (measured with 0dBFS input 22Hz/22kHz bandpass filter, unweighted)
- Output Impedance: < 10Ω
- Power Output into 150Ω: 15mW
- Power Output into 50Ω: 30mW
DIGITAL PERFORMANCE
- Internal clock only
- 105dB ‘A-weighted’ (all inputs)
- Converter chipset A-D dynamic range 114Db
- 104dB ‘A-weighted’ (all outputs)
- Converter chipset D-A dynamic range 114Db
- Supported sample rates: 44.1 KHz, 48 KHz, 88.2 KHz, 96 KHz
MIC
- 20hHz-20kHz
- THD+N: < 0.002% (minimum gain, -1dBFS input with 22Hz/22kHz bandpass filter)
- EIN < -120dB: measured at 55dB of gain with 150Ω termination (20Hz/22kHz bandpass filter)
- Max input -3dBu
INSTRUMENT
- 20Hz - 20kHz +/- 0.1dB
- THD+N: 0.005% (measured with -8dBu input and 22Hz/22kHz bandpass filter)
- Noise: -87dBu (22Hz/22kHz bandpass filter)
- Gain Range: +10dB to +55dB
- Max Input Level: -3dBu
CROSSTALK
- Input to Input: Better than 90dB
- Output to Output: Better than 90dB
- Input to Output: Better than 85dB
RECORDING
- 120 Gigabyte (can be higher on request)
- SD: High quality CBR in SD while broadcasting adaptive live stream
- HD: High quality CBR in HD while broadcasting adaptive live stream
HARDWARE
- Dedicated appliance 220 volt
- Weighs +/- 580 G/1.3 lbs
- 45 x 175 x 100 (l x w x d)
INPUT METERING
- Ring LED lit Green: Signal present (-24 dBFS)
- Ring LED lit Red: Signal overload (0dBFS), peak for approximately 1 second
LINE
- 20Hz - 20kHz +/- 0.1dB • THD+N: < 0.002% (measured with -1dBFS input and 22Hz/22kHz bandpass filter)
- Noise: -90 dBu (22 Hz/22KHz bandpass filter)
- Signal to Noise Ratio > 100dB
- Gain Range: -10dB to +35dB
- Max Input Level : +20dBu
INCLUDES
- 90-240V to 12v AC power supply
- Custom Made backpack