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Summary of Contents for miniDSP IL-DSP
- Page 1 IL-DSP USB headphone amplifier/DAC...
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Page 2: Table Of Contents
ONTENTS Overview ..................... 3 Connect to Android phone or tablet ............4 Connect to computer .................. 5 Install software ................... 6 Download software ................6 Install driver (Windows only) ..............6 Install plugin - Windows ................. 7 Install plugin - Mac ................. 7 Windows Audio ................... -
Page 3: Overview
VERVIEW The IL-DSP is a tiny USB-powered portable headphone amplifier and DAC (digital-to-analog convertor). It provides high-fidelity playback of all audio and music sources from phones, tablets and computers. Technical performance of the IL-DSP is exemplary, with PCM digital audio playback up to 24-bit 192 kHz , 0.0007% THD and 120 dBA signal-to-noise... -
Page 4: Connect To Android Phone Or Tablet
The inbuilt microphone can be used for phone calls or voice recording. To adjust the EQ settings, you will need to connect the IL-DSP to your computer and install the miniDSP plugin software. See pages 6 and 7. -
Page 5: Connect To Computer
ONNECT TO COMPUTER Connect the USB cable supplied with the IL-DSP to a USB port on your computer. Connect the other end of the cable to the Micro USB-B on the IL-DSP. Select the IL-DSP as the audio output device on your computer (see pages 8 and 9). -
Page 6: Install Software
NSTALL SOFTWARE To adjust the parametric EQ in the IL-DSP, you will need to install the miniDSP software on your computer (Windows and Mac supported). OWNLOAD SOFTWARE Log into your account on miniDSP.com. Click on your name at the top right of the window and select User Downloads: Click through to the IL-DSP section and download the IL-DSP package. -
Page 7: Install Plugin - Windows
INDOWS Go to the Plugins folder of the software download and then to the Windows folder. Double-click on the IL-DSP.exe installer program to run it. We recommend that you accept the default installation settings. NSTALL PLUGIN Go to the Plugins folder of the software download and then to the Mac folder. -
Page 8: Windows Audio
(page 6). INDOWS DEFAULT AUDIO DEVICE Set the IL-DSP as the default audio output device. Open the Windows Control Panel and navigate to the Audio Devices section. On the Playback tab, select “IL-DSP” and click on the “Set Default” button. -
Page 9: Mac Audio
Individual audio playback programs may allow the IL-DSP to be selected for audio output independently of the system default. To select the sample rate that the computer uses to send audio to the IL-DSP, open the Audio MIDI Setup program and click on Format. -
Page 10: Connect With The Plugin
“Pin to taskbar.” • On MacOS, locate the plugin in the Applications -> miniDSP folder. To make it easier to run in future, right-click on its dock icon and select Options ->... -
Page 11: Adjust Parametric Eq
DJUST PARAMETRIC There are three types of parametric EQ filter. The filter type is selected towards the lower right of the settings window: There are ten bands of EQ. Select one by clicking on it: There are three parameters that control each filter’s frequency response: Frequency This is the center frequency of the filter. - Page 12 PEAK This filter creates a dip or a peak in the frequency response. If the gain is positive, the filter boosts a frequency region around the specified frequency. See the left side of this graph: If the gain is negative, the filter cuts a frequency range. On the right side above we have used negative gain, with a narrow frequency range set by using a high value of Q.
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Page 13: Advanced Mode
DVANCED MODE Click on the Advanced button to switch an EQ band to Advanced mode. In Advanced mode, each filter band is specified by the biquad coefficients of that filter. This is a set of five numbers that directly specifies the numerical computations performed by the filter. -
Page 14: Biquad Sample Rate
Biquad coefficients must be calculated by a filter design program. Any program that calculates biquad coefficients must do so at a specific sample rate. The IL-DSP operates internally at two different sample rates: • 44.1 kHz if the input sample rate is 44.1, 88.2 or 176.4 kHz •... -
Page 15: Saving And Loading The Configuration
Save. It is recommended that you save your configuration to a file to ensure that you do not lose them if you inadvertently reset the IL-DSP or upgrade your computer. OAD THE CONFIGURATION To load the configuration from a file, drop down the File menu and select “Load configuration to device.”... -
Page 16: Specifications
PECIFICATIONS Digital specifications Audio resolution Up to 24 bits Input sample rates 44.1, 48, 88.2, 96, 176.4, 192 kHz (PCM) Direct-Stream Digital DSD64/DSD128 (no DSP processing in DSD mode) (DSD) input • 44.1 kHz for PCM input at 44.1 and 88.2 kHz Internal DSP processing •... -
Page 17: Important Information
Doing so will help ensure that the software is correctly configured. Finally, note that the miniDSP audio processor is a very flexible device, and many of the questions we receive at the tech support department are already answered in this... -
Page 18: Ce Mark Statement
Notice: Changes or modification not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. CE M TATEMENT The IL-DSP has passed the test performed according to European Standard EN 55022 Class B. EVISION HISTORY Revision...
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