Shaving Compact Discs to improve the sound (?!)
Techmoan・22 minutes read
The narrator explores a unique device that shaves compact discs to improve sound quality by reducing light scatter, developed by Dr. Eric Schrott and Wolfgang Schneider. Despite positive reviews, testing reveals no noticeable difference in sound quality between treated and untreated CDs, challenging claims of enhanced audio quality.
Insights
- The device developed by Dr. Eric Schrott and Wolfgang Schneider aims to enhance sound quality by shaving CD edges at a 36-degree angle and applying black coloring, but testing showed no discernible improvement in audio quality.
- Detailed analysis using Audacity and Spectrogram comparison tools revealed no significant differences between CDs treated with the device and untreated ones, challenging the claims of enhanced sound quality, despite positive reviews.
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Recent questions
What is the purpose of the unique audio equipment described in the Summary?
The unique audio equipment described in the Summary is a device designed to enhance the sound quality of CDs by shaving the edges of the discs at a 36-degree angle and applying black coloring to reduce light scatter. This process is believed to improve the audio quality of various types of discs, including music CDs, data CDs, DVDs, and SA CDs.
Who are the individuals responsible for developing the unique audio equipment mentioned in the Summary?
The unique audio equipment described in the Summary was developed by biochemist Dr. Eric Schrott and engineer Wolfgang Schneider. Together, they created a device that bevels the edges of CDs at a specific angle and applies black coloring to enhance sound quality by reducing glare and light scatter.
How does the unique audio equipment enhance the sound quality of CDs according to the Summary?
The unique audio equipment described in the Summary enhances the sound quality of CDs by shaving the edges of the discs at a 36-degree angle and applying black coloring. This process is believed to reduce light scatter and improve the overall audio quality of various types of discs, including music CDs, data CDs, DVDs, and SA CDs.
What are some of the positive reviews of the unique audio equipment mentioned in the Summary?
Reviews of the unique audio equipment mentioned in the Summary praised the device for enhancing sound quality and reducing glare. Users found that the device effectively improved the audio quality of CDs, leading to a more enjoyable listening experience. Despite initial skepticism, the positive reviews highlighted the device's ability to enhance sound quality.
What were the results of the tests conducted on CDs using the unique audio equipment in the Summary?
The tests conducted on CDs using the unique audio equipment in the Summary showed no noticeable difference in sound quality between treated and untreated discs. Despite expectations of improved audio quality, the tests revealed that there was no distinguishable variance between CDs that had been treated with the device and those that had not. This challenged previous claims about the device's ability to enhance sound quality.
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Summary
00:00
"Unique CD Shaving Device Enhances Sound"
- The narrator spent time searching for unique audio equipment online.
- Encountered a device resembling a compact disc player but with a different function.
- The device shaves compact discs to improve sound quality by reducing light scatter.
- Developed by biochemist Dr. Eric Schrott and engineer Wolfgang Schneider.
- The device bevels the CD's edge at a 36-degree angle and applies black coloring.
- The device enhances the sound quality of music CDs, data CDs, DVDs, and SA CDs.
- Demonstrated the device's operation involving a cutting blade and a turntable.
- The process involves shaving the CD's edge and coloring it with a marker pen.
- Reviews praised the device for enhancing sound quality and reducing glare.
- Despite skepticism, the narrator tested the device on CDs but found no noticeable difference in sound quality.
15:50
"Audio Comparison Tests Challenge Audiophile Claims"
- The process involves taking audio from a coaxial output and transferring it to a Sony PCM recorder, maintaining a digital stream without analog-digital conversions.
- The audio files from two discs are recorded into Audacity for waveform comparison, aiming to detect differences.
- By aligning the recordings perfectly in Audacity, inverting one track, and merging them, a silent track is created, indicating no audible difference between the treated and untreated discs.
- Snipping a segment from one recording and comparing it with the original reveals differences post-edit point, visible in the waveform.
- A spectrogram comparison using Sound Exchange software showcases energy variations in frequencies over time, highlighting differences between tracks.
- Despite expectations of potential audio quality differences, tests show no distinguishable variance between treated and untreated CDs, challenging audiophile claims.
