VL-DAAP-1
Audio Processor
VER 1.1
Page 1: ...VL DAAP 1 Audio Processor VER 1 1...
Page 2: ...our equipment Table of Contents 1 Introduction 1 2 Features 1 3 Package Contents 2 4 Specifications 2 5 Operation Controls and Functions 3 5 1 Front Panel 3 5 2 Rear Panel 4 6 Host Computer Control 4...
Page 3: ...education court trial recording and virtual court trial in the judiciary surgery recording and video consultation in healthcare service andcommand center establishment in governmental projects 2 Feat...
Page 4: ...tion 80dB Channel Phase Difference 0 5 Max Input Level 20dBu Max MIC Gain 40dB Input Impedance 20K Output Impedance 300 Sampling Frequency 48KHZ A D and D A Conversion 24Bit Phantom Power 48 VDC Conne...
Page 5: ...e is powered on the red LED will light on 3 STATUS LED When the device runs at normal the green STATUS LED will flash 4 HEADPHONE 3 5mm headphone listening port Note this listening port outputs the sa...
Page 6: ...interface for network connection 8 BOOT 2 PIN DIP Switch Used for firmware upgrade Note it can only be used when the device is in a factory Both2 pins should be switched to 1 when the device is in ser...
Page 7: ...the HOMEpage as shown below Step 4 Check the Network icon on the tool bar as shown below If there is a red X at the top right corner of this icon as the figure above shown it means the host computer h...
Page 8: ...he audio processor has related to the host computer successfully the Networkicon will appear in a way as shown below 6 2 Volume Meter The volume meter is typically to denote the signal level of the I...
Page 9: ...en pressed turns on 48V phantom power for the channel MUTE When pressed mutes the input channel equivalent to clicking the letter M at the INPUT module on the HOME page WHITE When pressed generates wh...
Page 10: ...s noise and attenuated with a range of 60 0 0 0 dB RATIO The compression ratio for signals below the threshold with a scale of 1 0 20 0 If theratio is 2 0 it means the signal below the threshold will...
Page 11: ...tion to select an input channel for the Expander configuration 6 5 Equalizer Each I O channel has an 8 band parametric equalizer for voice processing with the frequency gain and bandwidth of each band...
Page 12: ...2 50 00 SWITCH Each band has a switch When pressed the EQ function in this band will be disabled ACTIVE Activates the EQ process The function is equivalent to clicking the letter A at the EQ module on...
Page 13: ...K The time required by the compressor to begin the Compressor process once a signal is over the threshold with a scale of 1 500 ms RELEASE The time required by the compressor to stop the Compressor pr...
Page 14: ...evels and boost the signal with low signal levels up to the target level As shown below by clicking the AGC module on the HOME page or the AGC button on the right panel of the IN page you will enter t...
Page 15: ...detected signal level before the AGC process OUT Meter indicates the output signal level after the AGC process ACTIVE Activates the AGC process The function is equivalent to clicking the green letter...
Page 16: ...AUTO When pressed the input MIC will be added to the auto mixing system otherwise it won t be auto mixed METER Indicates the output volume after the AUTO MIXER process OUT Fader to control the output...
Page 17: ...Frequency Gain and Width will be applied to configure the filter in a fixed band You are allowed to design the filter by setting its parameters FIX ALL When pressed all bands will be processed in a fi...
Page 18: ...cess to the AEC process AUTOMIXER refers to mixed signals after the AUTOMIXER process NONLINEAR PROCESSING Determines the audio effect for both ends of the video conference with soft medium and aggres...
Page 19: ...e terminal we also need to configure selected input channels in the matrix routing The figure below gives an example of configuring the matrix routing 6 11 Adaptive Noise Suppression The 48kHZ full ba...
Page 20: ...B ACTIVE Activates the ANS process The function is equivalent to clicking the green letter A at the ANS module on the HOME page 6 12 Matrix Mixer The Matrix Mixer allows you to free choose the audio r...
Page 21: ...utput signal after the AFC process AEC Indicates the output signal after the AEC process ANS Indicates the output signal after the ANS process Fader Each channel has a fader to control the output volu...
Page 22: ...here is a trumpet icon on the tool bar which enables you to mute all output channels at one time see the figure above If it is in red it indicates that all output channels are mute otherwise it will b...
Page 23: ...ge will only activate inactivate the corresponding frequency filter FREQUENCY Indicates the cut off frequency of the filter TYPE Butterworth filter by default SLOPE 6dB oct by default A pair of UP DOW...
Page 24: ...or inactivate the Delay module This function can also be realized by clicking the green letter A at the DELAY module on the HOME page A pair of UP DOWN arrows on the right panel is also provided for...
Page 25: ...he LIMITER process once a signal is below the threshold with a scale of 1 1000 ms G R Gain Reduction Shows the amount of gain attenuation of the input signal measured in dB OUT Meter indicates output...
Page 26: ...low The processor can only read XML configuration files Download When pressed the present scene will be downloaded to the host computer The DOWNLOAD function is equivalent to clicking the SAVE icon on...
Page 27: ...As shown below by clicking Tools Command on the tool bar you will enter the setting page All RS 232 control commands such as Scene Management I O Control Modules Configuration and Device Information c...
Page 28: ...to check Whether the processor is in normal operation Whether the AEC module is activated Whether the matrix routing is correctly configured Whether the connection of Amplifier or Speaker for outputti...
