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Related Manuals for miniDSP NDAC-2
Summary of Contents for miniDSP NDAC-2
- Page 1 DSP- E AVB/IP ENABLED ENDPOINTS SPK-4P OMPACT POWERED PEAKER NDAC-2 CHANNEL NPW-2 CHANNEL POWER AMPLIFIER SPK-4 UXILIARY ASSIVE PEAKER User Manual miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice...
- Page 2 Description Date First released version 4th June 2019 Updated for configurations/presets, added panel diagram June 2019 Added NDAC-2 and NPW-2 for combined manual, changed name 6 December 2019 Corrected crossover screenshot 31 January 2020 Updated support link 6 July 2020...
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Page 3: Table Of Contents
Parametric EQ..........................24 5.6.5 Crossover............................ 26 5.6.6 Compressor ..........................28 5.6.7 FIR .............................. 29 5.6.8 Invert and mute .......................... 29 5.6.9 Time delay ..........................29 miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice... - Page 4 Filter file format .......................... 34 5.8.4 Loading filter coefficients ......................35 Keyboard shortcuts ..........................35 Additional information ..........................36 Specifications ............................. 36 6.1.1 All miniDSP AVB endpoints ......................36 6.1.2 SPK-4P ............................36 6.1.3 NPW-2 ............................37 6.1.4 NDAC-2 ............................37 Obtaining support ..........................
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Page 5: Important Information
Warranty Terms miniDSP Ltd warrants this product to be free from defects in materials and workmanship for a period of one year from the invoice date. Our warranty does not cover failure of the product due to incorrect connection or installation, improper or undocumented use, unauthorized servicing, modification or alteration of the unit in any way, or any usage outside of that recommended in this manual. - Page 6 Notice: Changes or modification not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. CE Mark Statement The SPK-4P, NDAC-2 and NPW-2 have passed the test performed according to European Standard EN 55022 Class B. A Note on this Manual This User Manual is designed for reading in both print and on the computer.
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Page 7: Product Overview
RODUCT OVERVIEW Thank you for purchasing miniDSP DSP-enabled PoE IP audio products. This manual covers the stereo endpoints: • SPK-4P powered speaker with DSP. The speaker includes two channels of amplification, so an additional passive speaker, the SPK-4 can be connected on the rear panel. -
Page 8: About Avb
Stream ID Unique 64-bit stream identifier used by AVB transport protocols to identify streams. miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice... -
Page 9: Hardware Connectivity
ARDWARE CONNECTIVITY SPK-4P panel NPW-2 panel miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice... - Page 10 12 VDC power input from external power supply. This separate 12 VDC connection is not used if the speaker is powered over Ethernet (PoE). USB Audio is not supported by the default endpoint firmware. Contact miniDSP directly if you require a USB-capable firmware for the AVB endpoint.
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Page 11: Avb Configuration - Mac Os X
Versions of OS X prior to 10.9 do not have inbuilt AVB support. While it may be possible to use third-party drivers, please note that miniDSP does not support operation of the AVB endpoints with earlier versions of OS X. -
Page 12: Configuring Multiple Endpoints
4. Drop down the Window menu and select Audio Devices. Enabled AVB devices will appear as audio output devices in this window. Each miniDSP AVB endpoint identifies as "AVB PoE+ Speaker". Select an endpoint to confirm its output properties: 3.2 C ONFIGURING MULTIPLE ENDPOINTS 1. - Page 13 2. Select the endpoint to include in the aggregate device: miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice...
- Page 14 Using the dropdowns, select the speaker and channel to be used for each virtual speaker. Click Apply and then Done to exit. miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice...
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Page 15: Software Installation
If you purchased your product directly from miniDSP, your software will be available from the User Downloads section of the miniDSP website when your order ships. You will need to be logged into the website with the account you created when purchasing to access the download. -
Page 16: Possible Mac Installation Issues
We recommend that you accept the default installation settings. To run the MiniDSP-2x4-HD plugin, locate it in the Applications -> miniDSP folder and double-click on it. To make it easier to run in future, right-click on its dock icon and select Options -> Keep in Dock. -
Page 17: Configuring The Avb Endpoint
ONFIGURING THE ENDPOINT Each miniDSP AVB endpoint is configured with the miniDSP-2x4-HD plugin / user interface program. This screenshot shows the user interface with the key areas highlighted: 5.1 S IGNAL FLOW AND PROCESSING OVERVIEW The signal flow diagram of is shown in the diagram below. -
Page 18: Synchronizing With The Avb Endpoint
Click on the speaker that you wish to connect the plugin to. The signal processing parameters in the user interface will change to reflect the selected speaker. The “Connect” button will change as shown: Note: the Connect button is not used as a button with the miniDSP AVB endpoints. It simply acts as a status indicator. -
Page 19: Key Features
To save the currently selected configuration to a file, drop down the File menu, then select Save and then Save current configuration. In the file box, select a location and name of the file, and save it. miniDSP Ltd, Hong Kong / www.minidsp.com... -
Page 20: Restoring To Defaults
5.3.5 Local configuration storage When the Search box is used to connect to a miniDSP AVB endpoint, the previously used settings for that endpoint is loaded into the user interface. Note that these are not being loaded from the speaker but are stored locally in XML files on the computer. -
Page 21: Input Channel Strips
24. Mute Press this button to mute that input channel. The button color and label changes to show that the channel is muted. miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice... -
Page 22: Routing
Adjust the gain with the slider, or by typing in the value directly, then click close: miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice... -
Page 23: Output Tab
Current Gain text box. The maximum gain setting is 12 dB, and the minimum gain setting is –72 dB. (0 dB, the default, is unity gain or no change in level.) miniDSP Ltd, Hong Kong / www.minidsp.com... -
Page 24: Parametric Eq
To link a channel, select the other channel from the drop-down menu at the top left of the PEQ screen, and click the Link checkbox. miniDSP Ltd, Hong Kong / www.minidsp.com... - Page 25 “BYPASSED” (see screenshot below). Note that this button only enables and bypasses a single filter; all other filters must be bypassed or enabled individually. miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice...
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Page 26: Crossover
The current channel is displayed in orange, with the others displayed in grey. Hovering the mouse over the curve brings up an overlay showing the frequency and the attenuation at that frequency. miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice... - Page 27 To link a channel, select the other channel from the drop-down menu at the top left of the Xover screen, and click the Link checkbox. miniDSP Ltd, Hong Kong / www.minidsp.com...
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Page 28: Compressor
The optimum settings may need to be tuned by ear. For more information, see the Wikipedia article Dynamic range compression. miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice... -
Page 29: Fir
(0.01 ms) increments. The maximum time delay of 80 ms corresponds to a distance of approximately 27.5 meters (about 90 feet). The time delay corresponds to a distance. This distance is shown in centimeters below the entry box. miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice... -
Page 30: Custom Biquad Programming
In advanced mode, the biquad coefficients can be pasted directly into the user interface. These coefficients must be calculated using a design program – see Biquad design software below for suggestions. miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice... - Page 31 If the file contains more than ten biquads, then an error will be reported and no filters will be changed. miniDSP Ltd, Hong Kong / www.minidsp.com / Features and specifications subject to change without prior notice...
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Page 32: Biquad Design Software
It includes the ability to automatically generate a bank of parametric EQ biquads based on a measurement. These coefficients can be saved to a file from REW and loaded directly into a PEQ bank in a miniDSP plugin. Room EQ Wizard can be downloaded here: •... -
Page 33: Fir Filtering And Design
5.8 FIR FILTERING AND DESIGN FIR filtering is a powerful and advanced feature of the miniDSP AVB endpoints. It allows construction of complex arbitrary equalization and crossover filters with independent control of amplitude and phase. The parameters of each FIR filter are set in the FIR settings window: Browse Opens a file browser to select a file containing FIR filter coefficients. -
Page 34: Fir Filtering Overview
5.8.2 FIR filter design software The filter coefficients must be created with the aid of filter design software. miniDSP does not provide any such software, instead referring you to the many software packages available for this purpose (both freeware and commercial). -
Page 35: Loading Filter Coefficients
5.9 K EYBOARD SHORTCUTS The miniDSP-2x4-HD plugin supports the use of the keyboard for many operations. The Tab key moves the focus from the current user interface element to the next. A blue-grey surrounding box usually indicates the user interface element with the focus. Shift-Tab moves the focus in the opposite direction. -
Page 36: Additional Information
DDITIONAL INFORMATION 6.1 S PECIFICATIONS 6.1.1 All miniDSP AVB endpoints Digital Signal Processor 32-bit Floating point Analog Devices SHARC ADSP21489 / 400 MHz AVB Processor XMOS XCore200 for digital audio streaming Audio Video Bridging (AVB) streaming - Gigabit Ethernet Network protocols &... -
Page 37: Npw-2
55 x 100 x 77mm Weight 0.4 kg 6.2 O BTAINING SUPPORT 1. Check the forums on miniDSP.com to see if this issue has already been raised and a solution or solutions provided. 2. Contact miniDSP via the support portal at support.minidsp.com with: a.
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