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Q&A from Analog Devices EngineerZone: SigmaDSP/SigmaStudio and DSP discussions (7 topics).
7 topics · 42 messages
Filtered by: #range ✕
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Ultra-strange filter problem..
Hi! While evaluating the second revision of my DSP board, I noticed some super strange behaviour that is caused by a 2nd order lowpass filter. See for yourself. This is basically what you would expect
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Normalizing dynamic range of 12 bit AUX input to match 24bit codec audio
Hello Dave - or other SigmaStudio oracles My design is built around an ADAU1452 with two AD1938 codecs for audio I/O. This part of my design works fine. I've also routed two of the AUX ports on the AD
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ADAU1761 - How would you maximize Signal-to-Noise ratio for small acoustical signals?
Hi everyone, I need to measure very low Sound Pressure Level signals (range -15 to max 30 dB(SPL)). I have designed a very good pre-amp with differential connection to the DSP ADCs, I setted the gain
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SigmaStudio Schematic Problem
Hello! I have a big problem with my SigmaStudio schematic at the moment. I made a schematic for a 4-way loudspeaker on our custom board with the ADAU1446. It worked very well in different variants and
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Strange noises when using L/R AUX inputs on an ADAU1761
Hi guys, I'm experiencing some strange noises with my ADAU1761 eval board. It kind of sounds like clock noise, but it also is changing in frequency and changes pitch. It's a bit like whistling wind. I
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RMS Table range
Hello, I'm experiencing some unexpected results from a RMS Table block inside a Sigma (3.1) DSP project for 1701. What is the table output for signals exceeding +6dB RMS amplitude? Is it the clipped t
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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