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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (19 topics).
19 topics · 105 messages
Filtered by: #compressor ✕
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Looking for clarification on the Compressor coefficients stored in memory
Hi, I am designing with SigmaStudio v4.7 for an ADAU1467 processor. My design is using a Dynamic Processor - RMS - Full Range (-140dB to +40dB) - 1 Channel - RMS (no gain). I will be using a host CPU
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SigmaDSP Standard RMS Compressor Algorithm Reference
Currently using the standard independent RMS module to implement Dynamic Range Compressor/Limiter Now, I will describe the specific situation in detail The transfer function of the current compressor
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Do the Compressor Ratio and Knee can be calculated or have formula to use?
Hello, I have read DaveThib document: 3022 Standard Compressor Meter variables and calculations for the Sigma300 and 350 processors. This topic really helps me a lot to understand the compressor and h
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Compressor input level appears to be displayed/calculated incorrectly
During some recent work, I have been using one of the compressor blocks (Dynamic Processors/Peak/Standard/Full Range/Standard Peak). I noticed the "IN" Level displayed on the level indicators appears
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ADAU1452 RMS and Peak Compressor Calculation
Hey together, I have a question regarding the calculation of the in-to-out gain-curve of a compressor block. In general I know how to calculate the curve but I was wondering that there seems to be a d
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ADAU1467 full range external input n-channel compressor gain step size (RMS (no gain) N-Channel RMS Compressor with Ext. Detect)
In our new product we are shifting from adau1442 to adau1467. We are controlling the dsp through an mcu and must therefore fully understand what is what in the register map. There are several good exp
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Create compressor from basic dsp blocks
How can I create 1 channel compressor from basic dsp blocks? I'm using ADAU1466, Sigma Studio. There must be possibility to set over SPI only these parameters (not whole compressor curve): Threeshold
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ADAU1701 Std RMS Compressor Level Readouts from MCU
I am working on integrating adau1701 device functionality into my linux library for dynamic dsp controls. I have all the writes and reads happening properly between the devices running ADAU1701 and AD
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Implementation of N-Channel Peak Compressor for ADAU1452 & Sigma Studio 4.2
Does this module process each channel individually? Or is processing applied to all channels when any one channel exceeds threshold? Edit Notes Wording. [edited by: sgoldburg at 11:46 PM (GMT -4) on 2
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ADAU1452 RMS Compressor Coefficient Calculation
Hello, I am writing an app to control our DSP configuration on an ADAU1452. I have gotten to the point of controlling the RMS compressor but the GUI in relation to the coefficients seems incorrect. I
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N-Channel Compressor Ext. Detect question
Hello guys, I have one project to use multi-channel signal and I need a limiter to limit the signal, now the 4-channel signal input to the N-Channel compressor like the below picture: my question is a
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Compressor control in microprosessor
Hi I want to control Compressor in MCU But, How to calculate value(136 Byte)? This DSP is ADAU1445. Sigmastudio3.11 Please Help me.... Audio Signal Processors compressor mcu adau1445 SigmaDSP Audio Pr
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Having trouble with the Gain-Out Compressor
Hello, The new Gain-Output Peak Compressor is a welcome Toolbox addition. Although I've obtained a similar function by subtracting "before" from "after" signals around a standard compressor, this meth
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[ADAU1446] Software safeload/compressor limiter
Dear Guru's, Currently I'm using biquads in my design which are dynamically adjustable using the microcontroller, which is connected to the dsp using an SPI. As the adjustments taking place with speak
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Mono vs. Stereo Compressors
I am currently trying to optimize a project to fit all of our required functionality within the available instructions per sample. I am using peak compressors on the output to protect any downstream e
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How is hold implemented in peak compressors?
Using the peak compressor, if I turn off the decay time (instant change to unity gain), and then choose specific values of hold in ms, I get big glitches in the output. If I choose other values, I don
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Bug in Peak and RMS Compressor?!
Hello, in my recent project I would like to use those Peak- and RMS- compressors with its nice user interface. Unfortunately these two blocks seem to have bugs. Or I am missing something. 1. Standard
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Regarding standard peak for ADAU1446 in SigmaStudio
Hello, Standar peak moudule shown below is available for ADAU1446 in sigmastudio. I would like to know about correlation among expander, compressor, knee and threshold. I need a formula correlative wi
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Extended Range Compressor Curve Values
The extended range compressor allows processing of input values up to +23.999 dB. In Sigma Studio, if one sets the graph to flat, the capture window shows that the address values written past the +6dB