«Blóð várs herra Jesv Christi kom til Niðar ós» (“The blood of our Lord Jesus Christ came to Nidaros”). With these words the Icelandic Annales regii for 1165 record the arrival of a drop of Christ’s blood in Nidaros, today’s Trondheim, in Norway, and, if the information is correct, then it was in fact one of the first places to receive such a prominent relic. The chant cycle for the Susceptio sanguinis feast, called today the “Holy Blood office”, has survived in just one manuscript. It consists of ten parchment folios, and is all that remains of a book with chants for the Divine office. This antiphonary was written between 1250 and 1275, probably for Nidaros cathedral. Schola Sanctae Sunnivae and conductor Anne Kleivset have worked on this material for many years, and they give here the first complete recording of the “Holy Blood office”.
Total time: 01:17:59
Horus, Merging Technologies
Pyramix, Merging Technologies
NativeDSD selectively creates higher DSD bitrates of label's releases using two methods (Merging Technologies Album Publishing and Singnalyst HQPlayer Pro), depending on the original edited master source. In order to understand the processes, a bit of background is appropriate. NativeDSD sells only recordings that were originally recorded in DSD or DXD (352.8KHz PCM). The overwhelming majority of these recordings were edited and post processed in DXD, then converted (modulated) into DSD deliverable bit rates. NativeDSD acquires the label's original DXD edited master, and using Merging Technologies Album Publishing, creates a first generation DSD64, DSD128, and DSD256, as well as a DXD FLAC deliverable. Additionally, on selected recordings, a 32bit PCM WAV file is extracted (the DXD PCM FLAC is 24 bits by format definition), and uses it to modulate a DSD512 using HQPlayer Pro. The exception to the above are the few label recordings (Yarlung, Eudora, Just Listen etc.) that record in DSD, and do no PCM post processing mixing, level balancing, EQ etc. That's doable by restricting post processing to just editing, where only the edit transition interval (typically 100ms or less) is PCM converted, leaving the DSD music content unaltered when rendered. For those recordings, the DSD edited master (the actual recording master with edits) is used with HQPlayer Pro to re-modulate the missing DSD bitrates. Why do any of this? It's to provide a DSD bitrate deliverable choice, allowing a customer to purchase the highest DSD bitrate their DAC will support. It's correct that there's no additional music content information contained in the higher DSD bit rate from the original DSD bitrate. What's different is the uncorrelated modulation noise content placement in the frequency spectrum. When a DSD original file is converted to DXD (PCM), the inherent DSD modulation noise is removed through the decimation filtering, and re-inserted when modulated back to DSD. The modulation noise (again, uncorrelated) is the carrier part of the DSD bitstream modulation, and an inherent part of the DSD bit stream.
While the spectorial shape is the same regardless of the DSD bitrate, it's effective start and end points move an octave higher for every doubling of the DSD bitrate. For DSD64, the uncorrelated modulation noise is about -110dB at 20KHz, rising to about -50dB at 100KHz. For DSD512, the modulation noise is about -110dB at 160KHz, and -50dB at 800KHz. What this allows is for the customer's DAC to use gentler, more Gaussian shaped reconstruction filters, with far improved phase response.
|Original Recording Format|
Morten Lindberg, Beatrice Johannessen
Ringsaker Church, Norway May 2014
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|Release Date||September 5, 2019|
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