General Product Support

What is the latency of the miniDSP?

It depends on the platform and on the plugin. Typically, a latency of 1.5 to 2 ms can be expected. For units that perform FIR (finite impulse response) filtering, there is an effective additional delay, dependi...

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What is “I2S”?

I2S, also called IIS, stands for “Inter-IC Sound.” It is a standard used for communicating digital audio signals over short distances, such as between chips on a circuit board or between closely-located circuit...

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What can I do with “I2S”?

The miniDSP products use I2S for communication between the DSP board and the I/O or amplification boards. We publish the pin connections so that the advanced DIYers can implement their own I/O circuitry and int...

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What is a “biquad”?

A biquad is, technical speaking, a second-order recursive digital filter. It is used as the “building block” for more complex digital filters, such as steep crossover filters. A single biquad can be used to imp...

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What sample rate does the digital input support?

The digital inputs of all miniDSP units employ a high quality asynchronous sample rate convertor (ASRC) to convert the sample rate of the digital input signal to that of the plugin. The ASRC also removes jitter...

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What sample rate does the USB input support?

The USB input cannot be used for sending audio into the miniDSP unit. It is used for control and configuration only. To add USB streaming to a miniDSP product, use a miniStreamer or USBStreamer.

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What is a “balanced” analog connection?

A balanced analog connection is used in pro audio to minimize noise pickup on long cables. It can also prevent noise related to grounding issues. Whereas a regular RCA connection has one signal wire and a groun...

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Are you going to release product XYZ soon?

First of all, thanks for your feedback! We love hearing from the community on what people like and would like to see. But for those of you looking for a delivery date on a new product or the greatest idea curre...

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Driver signing for 2x4HD/USBStreamer/DDRC-24

On Windows platform, the 2x4HD, DDRC-24, USBStreamer and UDAC-8 platforms require a USB audio driver for multichannel USB audio class2 support. miniDSP provides a signed driver free of charge. Few things to kno...

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