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There has been a lot of controversy over the years about whether WAV conversions to FLAC are exact duplicates and sound exactly the same.  It's Ears vs Math.  Which do you subscribe to?  The Crew at Blue Coast Records believes there is a difference after doing dozens of blindfold listening tests over the last decade.  Why is this important to DSD listeners?  Understanding how to do a blindfold listening test is complicated.  Included in this article are methods how you can have a blindfold listening party to test for your own ears.

Sony DSD players in car and portable

Sony unvailed their new Walkman and car media reciever, RSX-GS9 at the 38th Bangkok International Motor Show. With this setup you can play native DSD 11.2MHz in your car. 

Andreas Koch

"What would it take to launch a new format today, and what problems could it possibly solve?" Andreas Koch and Positive-Feedback try to answer this and other questions about digital audio formats.  Andreas Koch led a team of engineers designing the world's first multitrack DSD recorder and editor.  He has been a pioneer in all things DSD.

How to play DSD

Playing back DSD files requires a bit more effort than most other formats, such as WAV or MP3 files. Most computers these days aren’t capable of converting DSD into audio because their audio hardware is limited to PCM files, so you have to use something else. 

Simply put, open source is when the source code for a piece of software is free and open to the public. This means that people who use the software are not required to pay a licensing fee because it is not owned by one person or company. DSD (.dsf) is an example of an open source digital audio format, FLAC (.flac) is another.

Music lover and audiophile, David Slattery, took time out of his busy day to do a comparison of DSD128 to DSD64.  Many people wonder if it's possible to hear the difference between a FLAC, WAV or DSD file.  David gives a wonderful assessment of what he hears.

The music tested was Meghan Andrews from Blue Coast Records Special Event 43. Blue Coast Records offers music recorded in DSD and without overdubs and effects making the comparisons easier than overly processed music.  

Here's what David has to say...

The Future of DSD Audio and Music

Excerpt from Positive-Feedback and written by Brian Moura. One packed seminar featured a discussion of The Future of DSD hosted by Cookie Marenco, owner of Blue Coast Music along with Gus Skinas, chief of the Super Audio Center and Marc Sheforgen, Chief Operating Officer for Acoustic Sounds. DSD Audio is predicted to be the format of choice for high resolution audio and music.

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Why High Resolution Audio? FLAC or DSD

High resolution audio is becoming more and more common these days. Although there’s no standard quality the audio should reach in order to be classified as high resolution audio, we can easily assume that a file with a quality of at least 44.1 khz/16 bit is a high resolution audio file. But why would you listen to high quality audio material instead of MP3?

Keith Greeninger Performing Live and Heard Streaming on DSD at Primeseat

On January 26, 2016, Alex de Grassi and Keith Greeninger became the first two artists to have their music available for on demand streaming at DSD128. The new technology comes from Primeseat, a company from Japan that boasts some of the top technolgists from Sony, Korg and IIJ.

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