Want to measure the key characteristics of audio circuits? Join the June 29, 2023, webinar, "Affordable Audio Measurements," for tips on measuring audio circuits without breaking the bank. Register now!

Affordable Audio Measurements

In this webinar, hardware engineer Alfred Rosenkränzer and Elektor engineer Clemens Valens will show you how to measure audio circuits using free or low-cost audio measurement software and an external or internal USB sound card. They also will cover hardware enhancements to help you improve the quality of your measurements. You will learn how to use filters to get rid of noise shaping artifacts, Fliege notch filter to reduce distortion, and low or bandpass filters to clean up the generator signal at a specific frequency such as 1 kHz. 

The presenters will address the following topics and questions:
  • How do you handle uncalibrated outputs and inputs?
  • How do you get rid of noise shaping artifacts of the DAC?
  • How do you clean up the generator output for a specific test frequency?
  • How do you prevent the digitizer from creating its own distortion?
  • Hardware enhancements to improve the quality of your measurements.
  • How to prevent the digitizer from creating its own distortion.

Alfred Rosenkränzer is a hardware development engineer with 30-plus years of experience in the field of analog circuit design and filter development. He began his career in 1984 and has since worked for various companies, including HP, Agilent, Verigy, Advantest, and Bosch. During his time at these companies, he focused on developing mixed signal cards for IC testers and became a specialist in analog circuit design and filters. Rosenkränzer is a contributor to the Elektor Mag, where he writes various electronics articles and reviews.

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Webinar Giveaway

Five lucky attendees will have a chance to win an Elektor Audio Collection (USB Stick). The popular USB stick includes 220+ audio circuits published in Elektor between 1994 and 2009.
Elektor audio collection
Elektor Audio Collection
Register for the webinar