Product Code Database
Blu-spec is a rarely-used format of Compact Disc made using production techniques similar to Blu-ray discs, but were readable with standard CD player. The alleged benefit of these was in the playback accuracy. The back catalogue of mainstream artists was released in this format.
When a standard CD is mastered, an Infared beam is used to make the digital notches on the master disc (mother matrix). With the Blu-spec master, a blue laser is used which is a finer etching process. With this technology, the notches are therefore more precise which reduce playback errors. The notches on a Blu-spec CD have a width of 125 nm compared to the 500 nm width on a standard CD. 78 Tours at H265, by Laurent Poret (30 Mar 2019_ - Page 98 'Compact disc
The difference between a Blu-spec CD and a Super Audio CD is that the Super Audio CD has the capability of storing much higher quality audio. The Blu-spec CD uses the standard 16-bit, 44 kHz audio encoding, stores no extra information on the disc,Museum of Obsolete Media - Blu-spec CD (2008 – ) and is not capable of providing an improvement in sound.CNET, Feb. 27, 2009 - Blu-spec CD format: What is it and should you even care? by Nate Lanxon
According to Tech Crunch Sony had plans to release around sixty titles in Japan, to be available on December 24, 2008. One of them was Kind of Blue by Miles Davis. Another was an album by Aerosmith. Other releases were in various genres including jazz and classical.Tech Crunch, November 6, 2008 - Hardware, Blu-spec CD: Sony's new CD boasts high quality, is based upon Blu-ray technology by Serkan Toto
The Blu-spec and HQCD formats were reviewed by Wojciech Pacula of the polish High Fidelity magazine in May 2009. The conclusion after the review tests were done was that there was marked difference between standard CDs vs HQCD and Blu-spec CD pressings. Pacula claimed that there was an audible difference. However even though he said that Blu-spec was “really something”, it was HQCD that had the better sound. High Fidfelity (Poland), May 21, 2009 - KRAKOW SONIC SOCIETY MEETING #64: HQCD + BLU-SPEC CD by Wojciech Pacula
According to the JAPAN: Like CDs, only better... article by Andrew Everard for What Hi-Fi in July 2009, the format had an extensive Bob Dylan catalogue, as well as all of Billy Joel's catalogue and releases of Deep Purple, Michael Jackson, Elvis Presley, Lou Reed, Simon & Garfunkel and Patti Smith. What Hi-Fi, July 07, 2009 - News, JAPAN: Like CDs, only better… By Andrew Everard
In 2013, Sony released an album Feel the Difference of the Blu-spec CD2 (cat# Sony Records Int'l SICP 30125–6). A 2CD 34 track compilation it contained tracks by Elvis Presley, Bob Dylan, Santana and Earth, Wind & Fire.Discogs - Various – Feel The Difference Of The Blu-spec CD2Amazon - Feel the Difference of the Blu-Spec CD2 Legacy Rec
Jimi Hendrix's Electric Ladyland was released on Blu-spec CD2 in 2015 on Sony Records Int'l SICP 30823.Discogs - The Jimi Hendrix Experience – Electric LadylandAmazon - Electric Ladyland Blu-Spec 2
In 2018 Wasabi Records released the The Foundations Digging the Foundations album (cat# WSBAC-0102) in Blu-spec format. The CD came with eight bonus tracks and liner notes by Masato Wakatsuki (若月眞人).Wasabi Records - Wasabi Records Catalogue Two other albums, From the Foundations and Rocking the Foundations were also released on the label.Wasabi Records - Wasabi Record Catalogue In late 2018, the 40 Trips Around the Sun album by Toto was released on Blu-spec 2 format on Sony Records Int'l SICP 31137.Discogs - Toto – 40 Trips Around The SunAmazon - 40 Trips Around The Sun - Greatest Hits 40 Blu-spec 2
The new Deep Purple album, =1 also was released on Blu-Spec CD exclusively in Japan on August 7 2024 by King Records.
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