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Category: Hardware
Product Number: ADAU1701

Hello. I own a freeDSP-CLASSIC ADAU1701 signal processing module board. I believe this module has 4 potentiometer settings. My question is: Can we create sound effects with SigmaStudio software? For example, effects like Octavia, Reverb, Chorus, etc., and how can we change them sequentially? What kind of adjustments can be made with the 4 potentiometers used on the module? Thank you.

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  • Hello Japon18,

    I do not know how I missed your question until now? 

    Yes, you can use these DSPs to create sound effects. The only issue is that this DSP has limited instructions per sample period so it is a little limiting for some of these effects. Like Reverb can use a LOT of instructions for a really involved algorithm. 

    You should search the forum. Many people have discussed some of these effects using the 1701. Then for controlling parameters of audio running through the core there are probably hundreds of posts showing how to control different things using the AUXADC inputs. 

    You asked what kind of adjustments? The answer is what do you want to adjust? It is open to your imagination. Some things are more difficult and this DSP core is a little limiting. The Sigma300/350 cores are much more flexible. 

    Have you found my YouTube channel? I have a video about AUXADCs that goes over the basics.

    Here is a link to the video:

    AUX ADCs

     Dave T

  • Hello, first of all, thank you very much. I've been waiting for answers here for days, and I'm really happy about it. I don't know English, so I'm using translation, and watching videos won't be helpful. In short, I want to create a guitar pedal with this 1701. Effects like phaser, wah, Octavia, and especially pitch shifter and harmonizer. Can you tell me if these are possible? The reverb effect isn't very important to me.

  • Hello Japon18,

    There are far too many details to cover to teach you how to use the AUXADC feature of the part here on EngineerZone. The videos are the best way. YouTube does have subtitles and does translate to other languages!! Yes, it is a little bit more difficult and slower and you probably will slow down the playback speed however, you can gain plenty of knowledge from these videos. 

    Here is an example, I played the AUXADC video, turned on Closed Captioning and changed the language to Turkish. Here is a screenshot:

    Someday I would love to teach a course on SigmaDSP but that is likely to be at a college in Boston which is not easy for you, and most people, to attend. 

    Dave T

  • Teşekkür ederimPray  You haven't fully answered whether the effects I mentioned are suitable for this module. Sincerely.

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