1-bit Audio Consortium
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| Formation | 13 February 2001 |
|---|---|
| Purpose | Promoting PDM audio |
| Headquarters | Japan |
Membership | ~25 member organizations[1] |
| Website | 1bitcons |
The 1-bit Audio Consortium was established in 2001 by Waseda University, Sharp and Pioneer to further the development of "1-bit" audio technology. [2] The name of the consortium refers to pulse-density modulation (PDM), a technique used for encoding analog signal strength using density of individual bits, rather than multi-bit numerical values used in pulse-code modulation (PCM). Digital audio storage was almost entirely PCM based before the introduction of Direct Stream Digital (DSD), a PDM based encoding introduced in 1999 for use on the optical Super Audio CD medium.
In 2002 the consortium published Wideband Single-bit Data (WSD) specification describing a file format for Direct Stream Digital based PDM audio.[3] In 2012 the consortium published an updated 1.1 version of the specification.[4] Korg portable recorders MR-1, MR-2, MR-1000 and MR-2000s support WSD alongside other DSD based formats.[5][6][7] Merging Technologies Pyramix digital audio workstation (DAW) and Internet Sound it! Pro DAW provide WSD editing support.[8][9]
References[edit]
- ↑ "会員メンバー". 1-bit Audio Consortium. 2012-01-13. Retrieved 2022-09-11.
- ↑ Waseda University, Sharp, and Pioneer Establish 1-bit Audio Consortium to Promote Next-Generation Audio Technology, Pioneer, 2001, retrieved 2022-09-11
- ↑ Specifications for 1-bit-coding Data File, version 1.0 (PDF) (in 日本語), 1-bit Audio Consortium, 2002, archived from the original (PDF) on 2003-10-11
- ↑ Specifications for 1-bit-coding Data File, version 1.1 (PDF) (in 日本語), 1-bit Audio Consortium, 2012, retrieved 2022-09-11
- ↑ Robjohns, Hugh (March 2007), Korg MR1000 & MR1 — High-resolution DSD Master Recorders, Sound On Sound, retrieved 2022-10-16
- ↑ French, Jez riley (2010-12-21), KORG MR-2 recorder, retrieved 2022-10-16
- ↑ Rudolph, Barry (2009-01-08), Korg MR-2000S 1-Bit Studio Recorder Review, Mix, retrieved 2022-10-16
- ↑ Pyramix Workflow Guide — DSD & DXD Production (PDF), Merging Technologies SA, 2020, retrieved 2022-10-16
- ↑ Sound it! — Version Comparison, Internet Co., Ltd., retrieved 2022-10-16
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