Bogen NYQUIST NQ-P0100 Configuration Manual Download Page 39 | Manualshive

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Bogen NYQUIST NQ-P0100 Configuration Manual Download Page 39

35

Adjusting Noise Gate Settings

A noise gate controls the volume of an audio signal by attenuating the signal when it reg

-

isters below the threshold. This is typically used to eliminate or minimize background

noise.

To adjust the noise gate settings for a channel:

1

On the appliance Web UI’s main page, select

DSP

.

2

Select the

Menu

button for the channel.

3

From the drop-down menu, select

Noise Gate

.

4

Adjust the following settings as needed:

Figure 15. Noise Gate Settings

Note:

If you want to return to the factory settings, select the

Reset

icon that appears in

the right corner.

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Summary of Contents for NYQUIST NQ-P0100

Page 1: ...Nyquist Matrix Mixer Pre Amp Configuration Guide NQ P0100 2021 Bogen Communications Inc All rights reserved 740 00022F 210419 ...

Page 2: ...ting DSP Parameters 17 Setting the Channel Level 21 Signal LED Clip LED and VU Meters 21 Muting a Channel 22 Adjusting Volume Levels 22 Selecting Input Type Input Gain and Phantom Power 22 Troubleshooting Gain Structure 23 Adjusting Compression Settings 24 Adjusting Ducking Settings 26 Adjusting the Graphic Equalizer 28 Setting High Pass Low Pass Parameters 29 Adjusting the Limiter 32 Adjusting No...

Page 3: ...ration Settings Standalone enabled 11 Figure 7 Logs 15 Figure 8 DSP Page 18 Figure 9 DSP Output Options 21 Figure 10 Compressor Settings 24 Figure 11 Ducker Parameters 27 Figure 12 Graphic EQ Settings 28 Figure 13 High Low Pass Parameters 30 Figure 14 Limiter Settings 33 Figure 15 Noise Gate Settings 35 Figure 16 Parametric Equalizer Settings 37 Figure 17 Router Settings 39 Figure 18 Settings Para...

Page 4: ...ettings Standalone disabled 10 Table 5 Configuration Settings Standalone enabled 12 Table 6 Logs 16 Table 7 DSP Page 19 Table 8 DSP Features 20 Table 9 Compressor Settings 25 Table 10 Ducker Parameters 27 Table 11 High Pass Low Pass Parameters 31 Table 12 Limiter Settings 34 Table 13 Noise Gate Settings 36 Table 14 Signal Present Parameters 43 ...

Page 5: ...pliance returns to the factory default configuration settings Returning to the default configuration settings does not change the appliance s firmware The following sections describe settings and configurations that can be applied to this device which are not controlled by the Nyquist server For information about using Nyquist s automatic configuration process refer to the Nyquist System Administr...

Page 6: ... Matrix Mixer Pre Amp Dashboard Table 1 Appliance Dashboard Fields Device Type Identifies the model of this device Serial Number Identifies the serial number for the device MAC Address Specifies the Media Access Control MAC address which is a unique identifier assigned to network inter faces for communications on the physical network seg ment Firmware Version Provides the firmware version installe...

Page 7: ...Configuration Settings page where you can view and set various options If Standalone Opera tion is not enabled you can also receive configuration settings from a Nyquist server Network Settings Accesses the Network Settings page where you can view and set network settings such as the static IP address Firmware Update Accesses the Firmware Update page where you can view the current Nyquist version ...

Page 8: ...select Firmware Update to ensure you have the latest firmware version 2 Select Upload Firmware to upload a firmware file from your computer to the appli ance If you select this option a popup screen appears that allows you to select the file that you want to upload You can navigate to the file s location After you select the file Note A Nyquist appliance connected to the Nyquist network receives a...

Page 9: ...appliance to its original configuration select Restore Fac tory Settings 4 Select Reboot Appliance to restart your appliance Network Settings Tab Parameters Network settings can be configured dynamically by the Nyquist server or manually by using the appliance s web UI To manually configure network settings 1 On the appliance web UI s main page select Network Settings 2 Select your desired network...

Page 10: ...o the appliance Netmask Identifies the subnetwork subdivision of an IP net work Gateway Identifies the address or route for the default gate way VLAN ID Identifies the Virtual Local Area Network VLAN for this appliance Values range from 0 to 4094 VLAN Priority Identifies the priority of the network traffic on the VLAN Priority can range from 0 through 7 ...

Page 11: ...s on the Nyquist server on port 69 the standard TFTP port and the optional Nyquist DHCP service automatically provides this TFTP address via option 66 Note If this value is unspecified the DHCP Server Override will automatically be set to Yes this field will become read only and DHCP will be used to con figure this setting To change this value the DHCP Server Override setting must be set to No whi...

Page 12: ... Configuration Settings on page 11 To manually configure your Nyquist appliance 1 On the appliance Web UI s main page select Configuration Settings 2 Select or view the settings as described in Table 4 on page 10 for normal configura tion or Table 5 on page 12 for Standalone Operation configuration 3 Select Save DHCP Enabled Indicates if the device is enabled to use DHCP to retrieve its IP configu...

Page 13: ...9 Figure 5 Appliance Configuration Settings Standalone disabled ...

Page 14: ...vice registration SIP Password Provide the password used for SIP device registration SIP Confirm Password Re enter the password used for SIP device registration Server Identifies the IP address of the Nyquist server Local Port Identifies the local port to be used for SIP communica tions Emergency All Call Identifies the IP address port number cut level vol ume and station list used for emergency a...

Page 15: ...address associated with the device preceded by the extension of the device associ ated with this port Local Port Shows the port used for SIP Username Shows the username or extension for the station associ ated with the port Figure 6 Appliance Configuration Settings Standalone enabled ...

Page 16: ...ne input Yes means the line input is used No means the network input is used PTT Type Specifies whether the output from a connected Push to Talk PTT microphone is controlled by the DSP Router configuration or by the PTT Output configuration below Select one of the following values None DSP Controlled PTT Output Specify the output port to which the PTT microphone sig nal from line input 4 will be s...

Page 17: ...on sip extension local_ip_address SIP Network Port Specify the IP port on which the Line Out channel will communicate typically 5060 SIP User Name Specify the SIP user name used to register the Line Out channel with the SIP server SIP Password Specify the SIP registration password used to register the Line Out channel with the SIP server Table 5 Configuration Settings Standalone enabled ...

Page 18: ...toll qual ity audio at 64 kbps The a law version is primarily used in most countries outside of North America and Japan G722 A wideband audio codec operating at 48 56 and 64 kbps OPUS An audio codec format designed for speech and general audio supporting low latency constant and variable bitrate encoding 6 kbps to 510 kbps and five sampling rates from 8 kHz to 48 kHz Channels Specifies to which ch...

Page 19: ...PC Mac or Android device where they can be copied to removable media or attached to an email for technical support To view a log file 1 On the appliance Web UI s main page select Logs 2 From the drop down menu select the log that you want to view Multiple versions of the same log and zipped copies of the log may be available 3 To export the file select Export A link to a txt file appears in the br...

Page 20: ...he system debug Contains errors and debug information dpkg log Contains information that is logged when a package is installed or removed using dpkg command faillog Contains user failed login attempts kern log Contains information logged by the kernel and recent login information for all users lastlog Contains information on the last login of each user messages Contains messages generated by Nyqui...

Page 21: ...s conditioned filtered and enhanced via the DSP processors and its level adjusted via the mixing board s slider controls The pro cessed signal from each channel is then routed to the Output channel according to the DSP Router configuration see Adjusting Router Settings on page 38 The digital output of all channels that are routed to the Output channel are digitally merged processed according to th...

Page 22: ...p indicators for each channel Set the channel level for input and output channels The Input 1 2 3 and 4 sliders control the output levels at which the digitized sig nal from the four analog input channels will be sent to the network devices Line Out and Speaker Out channels subject to Router settings The Input 5 slider controls the output level at which the signal from the network input channel wi...

Page 23: ... only be used by one browser session at a time If another session is already connected and using this DSP page the mixing board displayed will be disabled Table 7 DSP Page Save Settings to Server Backs up the DSP settings to the server If this device is later replaced or reset to factory defaults these DSP set tings can be restored when the new device is swapped for the old on the Nyquist server N...

Page 24: ...e and below specified high and low cutoff frequencies Limiter Prevents a signal from exceeding an adjustable maximum level Noise Gate Eliminates low level hiss noise or leakage particularly when there is a high level of ambient noise Parametric EQ Uses a center primary frequency to allow tailoring of the frequency content of an audio signal Router Routes the audio signals from each input channel t...

Page 25: ...ters labeled IN and OUT The green input signal LEDs automatically illuminate when a signal is being received The red Clip LED automatically illuminates when the signal is clipping i e exceeding a pre defined threshold Clipping can result in distortion and for output signals can even damage speakers Note that the specific level and duration that a signal must reach in order to trigger the input sig...

Page 26: ...n 60 dB and 0 db To adjust the channel volume level 1 On the appliance Web UI s main page select DSP 2 Use the channel s slider to adjust the volume level Selecting Input Type Input Gain and Phantom Power Just above the labels for the input channels is a switch that allows you to select either Line or Mic as the input indicating the type of input signal being used A line level signal is typically ...

Page 27: ...ut Gain is to adjust the strength of the input signal not the volume of the final output signal Troubleshooting Gain Structure Channel Sliders should be set to 0 dB unity gain during the channel level setup proce dure The range for optimal Input Gain control operation is from about 9 o clock to 2 o clock If Channel Clipping Occurs If the signal is clipping or producing audible distortion the gain ...

Page 28: ...uced below clipping with the Input level control at minimum and the input source is not a microphone change the Input to Line to pad the signal to a lower level set the channel slider control knob to the 0 dB position and adjust the Input Gain control until the desired volume level is achieved Adjusting Compression Settings A compressor reduces the dynamic range of a signal This effect is perceive...

Page 29: ...oint where the signal activates the compressor circuit The range is 135 to 21 dB Attack Sets how quickly or slowly compression will be applied to the signal once the audio signal goes above the threshold level It specifies the length of time over which the compression ratio will gradually increase from no compression to full compression The range is 1 to 500 ms Hold Sets how long compression will ...

Page 30: ...sion before the signal reaches the threshold not reaching the full effect until the threshold is reached thereby rounding off the compression effect Increasing the knee level decreases the obvious transition from the uncompressed to the compressed sound The range is 1 to 100 dB Ratio Sets the compression ratio to be applied to the signal For example if the ratio is set for 6 6 1 the input signal m...

Page 31: ... Output 3 From the drop down menu select Ducker 4 Make desired adjustments using the controls described in the following table Figure 11 Ducker Parameters Note If you want to return to the factory settings select the Reset icon that appears in the right corner Table 10 Ducker Parameters Threshold Sets the threshold level or how loud the signal has to be before ducking is enabled The range is 135 t...

Page 32: ...r the channel 3 From the drop down menu select Graphic EQ The Graphic EQ provides 16 slider knobs that can be moved between 12 dB and 12 dB The frequency of each slider is different and range from 25 Hz to 20 000 20k Hz Master Select the channel that serves as the master or unducked channel The audio on this channel has priority audio for all other channels is ducked Ducked Select the channel or c...

Page 33: ...nals that are higher When combined they are known as a band pass filter Band pass filters can be used to tailor the frequency response of a microphone exclusively for vocals which can be very useful in a noisy environment to filter out the higher and lower frequencies that could mask the human vocal range during announce ments Note For the best results frequencies should be cut only Boosting frequ...

Page 34: ...nu option To adjust the high low pass parameters for a channel 1 On the appliance Web UI s main page select DSP 2 Select the Menu button for the channel 3 From the drop down menu select High Low Pass 4 Set the parameters described in the following table Figure 13 High Low Pass Parameters Note If you want to return to the factory settings select the Reset icon that appears in the right corner ...

Page 35: ...g the knob click and move up or down or by dou ble clicking the knob and typing the frequency When typ ing the frequency only numeric values from 20 Hz to 20 000 Hz can be entered The high pass filter attenuates content below this fre quency and lets frequencies above this cutoff frequency pass through the filter Type Available filter types are Linkwitz Riley 12 24 36 and 48 dB per octave Butterwo...

Page 36: ...t the cutoff frequency You can adjust the frequencies by moving the knob click and move up or down or by dou ble clicking the knob and typing the frequency When typ ing the frequency only numeric values from 20 Hz to 20 000 Hz can be entered The low pass filter attenuates content above this frequency and lets frequencies below this cutoff frequency pass through the filter Type Available filter typ...

Page 37: ...ain page select DSP 6 Select the Menu button for the channel or select the Menu button for the Output 7 From the drop down menu select Limiter 8 Adjust the following settings as needed Figure 14 Limiter Settings Note If you want to return to the factory settings select the Reset icon that appears in the right corner ...

Page 38: ... will be compressed to this level The range is 24 to 24 dB Decay Sets the rate for turn off of the limiter after the signal is below the threshold Decay range is 5 to 2300 milliseconds RMSTC Root Mean Square Time Constant Sets how fast the limiter reacts to a signal that has exceeded the threshold RMSTC range is 50 to 10000 dB sec ...

Page 39: ...or minimize background noise To adjust the noise gate settings for a channel 1 On the appliance Web UI s main page select DSP 2 Select the Menu button for the channel 3 From the drop down menu select Noise Gate 4 Adjust the following settings as needed Figure 15 Noise Gate Settings Note If you want to return to the factory settings select the Reset icon that appears in the right corner ...

Page 40: ...Threshold range is 135 to 21 db Attack Sets how long it takes for the gate to open once the signal reaches the threshold level Attack range is 1 to 500 ms Hold Sets the length of time the gate will stay fully open after the signal reaches the threshold level Hold range is 1 to 500 ms Decay Sets hows quickly or slowly the gate will close once the signal has dropped below the threshold level and the...

Page 41: ...e channel 3 From the drop down menu select Parametric EQ 4 Adjust frequencies as desired ensuring the Enable LEDs are green for each selected frequency You can adjust the frequencies by moving the Freq knob or by double clicking the knob and typing the frequency When typing the frequency only numeric values from 20 to 20 000 can be entered 5 Make desired Q adjustments by adjusting knob or double c...

Page 42: ...nnel to which it is routed You can access the Router page from the drop down menus of each channel but only one router exists for the appliance In essence you need to enable the input signals that you want to use green areas enable the output channels that you want to use blue areas and enable the mapping gray areas to indicate which inputs will be mixed into which outputs You can also use the vol...

Page 43: ...nput s Enable button so that it changes from gray to green This signal can be sent to Network 1 2 3 or 4 to the Line Out or to any combination of these Network outputs are signals that can be used as an audio stream source to be sent by a Nyquist server to other stations or appliances The Line Out output is sent to the corresponding balanced connector on the rear panel of the appliance Figure 17 R...

Page 44: ...led by selecting the Enable button for the selected outputs turning the button from gray to green Settings You can specify custom names and colors for each of the four input channels the net work input channel and the output channel To adjust the settings for a channel 1 On the appliance Web UI s main page select DSP 2 Select the Menu button for the channel Figure 18 Settings Parameters ...

Page 45: ...hannel type the name that you want to display for the channel 5 For each channel select a color that will be used to highlight the channel 6 Select Save Note If you want to return to the factory settings select the Reset icon that appears in the right corner ...

Page 46: ...or each input channel and for the output channel To adjust the Signal Present settings for a channel 1 On the appliance Web UI s main page select DSP 2 Select the Menu button for the channel 3 From the drop down menu select Signal Present Figure 19 Signal Present Parameters Note If you want to return to the factory settings select the Reset icon that appears in the right corner ...

Page 47: ...tings as needed Table 14 Signal Present Parameters Threshold Sets the minimum level the signal must reach before the Signal LED is illuminated Hold Sets the minimum number of milliseconds that the Signal LED will remain illuminated ...

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