词条 | Korg Wavestation | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
释义 |
| image = Korg_Wavestation_front.png | image_caption = Korg Wavestation | synth_name = Wavestation | synth_manufacturer = Korg | synthesis_type = Digital Vector Subtractive | polyphony = 32 | timbrality = 16 | oscillator = 32 DCO | filter = 32 low-pass | attenuator = 32 ADSR envelope generators | left_control = Pitch and Modulation Wheels, Joystick | lfo = 64 - Triangle, Square, Sawtooth, Ramp | keyboard = 61-key | velocity = Yes | aftertouch = Yes - Channel (mono) | memory = see memory allocation chart | ext_control = MIDI | fx = 2×47 or 55 | dates = 1990–1994 | price = $2195 }} The Korg Wavestation is a vector synthesis synthesizer first produced in the early 1990s and later re-released as a software synthesizer in 2004. Its primary innovation was Wave Sequencing, a method of multi-timbral sound generation in which different PCM waveform data are played successively, resulting in continuously evolving sounds.[1] The Wavestation's "Advanced Vector Synthesis" sound architecture resembled early vector synths such as the Sequential Circuits Prophet VS. Designed as a "pure" synthesizer rather than a music workstation, it lacked an on-board song sequencer, yet the Wavestation, unlike any synthesizer prior to its release, was capable of generating complex, lush timbres and rhythmic sequences that sounded like a complete soundtrack by pressing only one key.[2][3] Keyboard Magazine readers gave the Wavestation its "Hardware Innovation of the Year" award,[4] and in 1995 Keyboard listed it as one of the "20 Instruments that Shook the World."[5] The Wavestation lineup consisted of four models: the Wavestation and Wavestation EX keyboards, and the Wavestation A/D and Wavestation SR rackmount sound modules. Design conceptThe two primary synthesis concepts designed into the Wavestation were Wave Sequencing and vector synthesis, the latter Korg dubbed "Advanced Vector Synthesis". Although the Korg Wavestation was the first keyboard that used Wave Sequencing, its roots can be traced back to the preceding variations of wavetable-lookup synthesis, including the multiple-wavetable synthesizers[6] realized as PPG Wave that was produced by Palm Products GmbH in the early 80s, and the vector synthesis realized as Prophet VS by Sequential Circuits, Inc. in 1986 and Kawai K1 in 1988.[7] Wave Sequencing improved the vector synthesis on Prophet VS, by incorporating the ability to crossfade up to 255 waveforms, rather than only four.[8] Moreover, a wave sequence can be programmed to "jump" to any PCM wave in ROM memory, whereas similar synths were designed to move sequentially through the wavetable. By combining wave sequencing with vector synthesis—the process of mixing and morphing between multiple waveforms of audio samples—the Wavestation differed from other sample-based synthesizers of the digital era. Wave sequencingA wave sequence is a programmed list of PCM waves playing in succession.[9] Each step in the wave sequence can have a different duration, pitch, fine tuning, level and crossfade amount. Additionally, wave sequences can be looped (forward or forward/backward directions) to play indefinitely or for a finite duration; they may also be synchronized to the Wavestation's internal clock (at 100 beats per minute) or to MIDI clock signals from a sequencer. The result is a continuously changing sound, producing either a smooth blend of crossfaded waves, or semi-arpeggiated and rhythmic sequences, or a combination of both. In a Patch, different wave sequences can be assigned to each of the four oscillators, thus the Wavestation is capable of generating four distinct wave sequences playing simultaneously during a single note.[1] In Performance mode, up to thirty-two discrete wave sequences can be played at the same time by layering eight 4-voice patches, although the actual number of playable wave sequences may be less because an additional oscillator is required to execute a crossfade.[10] Vector synthesis{{main|vector synthesis}}Simply, vector synthesis is dynamic timbre control over 2 or more voices (oscillators). On the Wavestation, vector synthesis can be applied on any two or four-oscillator patch.[11] The volume blend (or mix ratio) between oscillators is varied over time via a dedicated mix envelope, in real-time via the front panel's vector joystick, or via other controllers such as LFOs, aftertouch, and MIDI. The mix envelope for a two-oscillator patch structure is arranged on a horizontal line or axis, and is interpreted as one-dimensional vector synthesis. Two dimensional vector synthesis requires a four-oscillator structure, with oscillators A & C arranged on the horizontal X axis and oscillators B & D on the vertical Y axis. A patch's mix envelope can be looped for a finite or indefinite amount of time as well as modulated by controllers. Moving the joystick whilst playing overrides the pre-programmed mix envelope, giving the user dynamic control over the timbre of the sound. {{clear}}Features and specificationsThe internal synthesis architecture was based on the "AI Synthesis" system used in Korg's previous M and T-series synthesizers. The Wavestation offered 32-voice polyphony, up to four digital oscillators per patch, with a non-resonant low-pass filter and an amplifier block for each oscillator. Modulators, LFOs and envelope generators were offered as control sources for those blocks. The effects section contained two DSP blocks capable of a wide range of processing algorithms, such as reverb, delay, chorus, flanger, phaser, etc. Memory allocationSimilar in structure to the Ensoniq VFX and Korg's M1, the Wavestation's top level of sound control is the Performance, which organizes up to eight Patches (parts) and two independent effect processors.[12] A Performance also controls keyboard zoning, MIDI channel assignment, velocity switching, and other parameters. Each Bank contains 50 Performances.
Producing the synthesizer voices are Patches, the middle tier in the programming hierarchy. A patch consists of 1, 2, or 4 digital oscillators (A, B, C, and D). Tone generation is achieved by assigning any of the 20-bit PCM samples and single-cycle waveforms or a wave sequence to an oscillator. Each oscillator has its own digital filter, amplifier, amp envelope, general purpose envelope, two LFOs, and numerous modulation routings.[13] The mix envelope for vector synthesis is also found at the Patch level. There are 35 Patches per Bank. Wave Sequences are at the bottom tier of the Wavestation's programming structure. The Wavestation treats these as if they are discrete PCM waveforms when assigning them to oscillators in a Patch, although a wave sequence itself is created from a list of PCM waveforms in ROM or Card memory. The maximum number of steps per wave sequence is 255, and the maximum number of steps allocated per Bank is 500.[9] It is therefore possible to exhaust the step memory in a Bank with two very long wave sequences. 32 wave sequences are available per Bank. The Wavestation's Multimode organizes up to 16 Performances (one per MIDI channel) and two effects into a Multiset, which allows for multi-timbral reception from a MIDI sequencer or master keyboard controller.[14] Multisets have two major drawbacks.[3][15] First, a single, complex Performance may use up all of the polyphony in the Wavestation with only one or two keys depressed, so multiple complex Performances would result in extreme voice-stealing. The other drawback is that effects are vital to the overall sound of the Wavestation, but a Multiset cannot have 32 effects. So it ignores the original effects in Performances and assigns two new effects for use with all 16 Performances. Since a Performance can also transmit and receive multi-timbrally on eight parts, Multisets are generally superfluous.[16] Models
Design historyThe Wavestation was designed by a team which included Dave Smith, who designed the Prophet-5 and, along with Roland, helped to invent the MIDI protocol in the early 1980s. His synthesizer company, Sequential Circuits, was purchased by Yamaha in 1988. The division was renamed DSD (intended by Yamaha to stand for Dave Smith Designs).[24][25] The team, ex-SCI engineers Dave Smith, John Bowen, Scott Peterson, and Stanley Jungleib, then went on to Korg in May 1989 and designed the Wavestation, refining many Prophet VS concepts.[26] The Wavestation A/D was the brainchild of Joe Bryan, then-Senior Design Engineer at Korg R&D.[27] A guitar player, he wanted "something that worked with a simple MIDI guitar that would merge the guitar, synth and effects, and could be controlled from one or two buttons on the guitar." The idea was of little interest to his colleagues at first. Nevertheless, he found a prototype of a Sequential Circuits Prophet 2000 sampler and literally hacksawed the analog-to-digital converter circuitry from it, soldered that and a digital interface to the Wavestation's ROM bus to create the first prototype of the Wavestation A/D. The prototype convinced Bryan's colleagues of his idea. Musical impactThe Wavestation is known as one of the best synth pad generators, and has been used by many musicians to explore uncommon synthesis textures. A few notable mainstream artists that used Wavestations in the early 1990s were Joe Zawinul, Jan Hammer, Phil Collins, Gary Numan and Tony Banks of Genesis (who also used them on the band's 2007 European Tour) Depeche Mode, Steve Hillier of Dubstar, Michael Jackson, Ed Wynne of Ozric Tentacles, Ulf Langheinrich and Alan Clark and Guy Fletcher of Dire Straits. Soundtrack composer Mark Snow also used a Wavestation SR when scoring episodes of the X-Files.[28] The sound of the Wavestation is familiar to users of the Apple Macintosh, since the startup chime that has featured on every Mac from the Quadra 700 to the Quadra 800 was created by Jim Reekes on a Korg Wavestation.[29] Reekes said, "The startup sound was done in my home studio on a Korg Wavestation. It's a C Major chord, played with both hands stretched out as wide as possible (with 3rd at the top, if I recall)." The sound in question is a slightly modified "Sandman" factory preset.[22] Legacy{{cquote|The Wavestation remains one of the most evocative, unusual, creatively-designed synths ever...|20px|20px|Craig Anderton|Keyboard Magazine[30]}}Korg now produces a collection of software-based versions of its classic synthesizers, called the Korg Legacy Collection. With the Wavestation it incorporates the entire library of the original Wavestation's samples, wave sequences and presets making the vector synthesis concept more affordable and known to a wider audience. A native version for iOS, named iWavestation, has also been released.[31]The OASYS (2005) and Korg Kronos (2011) workstations have full-blown wave sequencing and vector synthesis implementation (complete with joystick), along with virtual analog, sample-based synthesis, and 16 MIDI + 16 digital audio tracks. References1. ^1 {{harvnb|Korg Wavestation Player's Guide|(1990)|p=54|loc=§ 9.1. Introduction to Wave Sequencing}} Bibliography2. ^{{cite magazine | last = Reid | first = Gordon | title = Korg Legacy Collection (Part 1) | url = http://www.soundonsound.com/sos/jun04/articles/korglegacycollection.htm#9 | magazine = Sound On Sound | publication-date = June 2004}} - see "The Wavestation Family" 3. ^1 {{cite magazine | last = Reid | first = Gordon | title = 40 Years Of Gear - The History Of Korg: Part 2 | url = http://www.soundonsound.com/sos/Nov02/articles/korganniversary2.asp | magazine = Sound On Sound | publication-date = November 2002}} - see heading "1990" & "Milestone—The Wavestation Family" 4. ^1 {{cite magazine | title = 15th Annual Keyboard Readers Poll Awards | magazine = Keyboard Magazine | publication-date = January 1991 | page = 33}} (see also clipped page on {{cite magazine | title = Jungleib Archives | url = http://www.seersystems.com/jungleib/archive/1991/91%2001%20keyboard%20awards.jpg | archiveurl= https://web.archive.org/web/20070927222447/http://www.seersystems.com/jungleib/archive/1991/91%2001%20keyboard%20awards.jpg | archivedate=2007-09-27 | year = 1991}}) 5. ^{{cite magazine | title = 20 Instruments that Shook the World | magazine = Keyboard Magazine | publication-date = January 1995}} 6. ^{{cite journal |ref={{sfnref|Horner|Beauchamp|Haken|1993}} | last1 = Horner | first1 = Andrew | last2 = Beauchamp | first2 = James | last3 = Haken | first3 = Lippold | year = 1993 | title = Methods for multiple wavetable synthesis of musical instrument tones | url = http://ems.music.uiuc.edu/beaucham/papers/JAES.05.93.pdf | journal = J. Audio Eng. Soc. | volume = 41 | issue = 5 | publication-date = May 1993 | pages = 336–356 | quote = {{smaller|Multiple wavetable synthesis, the subject of this paper, is based on a sum of fixed waveforms or periodic basis functions with time-varying weights.}}}} 7. ^{{cite book | chapter = II. K1/K1m Sound Sources | chapterurl= http://www.manualslib.com/manual/892480/Kawai-K1.html?page=13#manual | title = Kawai K1 / K1m Owner's Manual | publisher = Kawai Musical Instruments | publication-date = 1988 | page = 13 | quote = {{smaller|The K1/J1m allows you to combine up to four different Sources, each with its own frequency, waveform, and envelope. / ... A Single patch on the K1/J1m consists of up to four Sources drawn from the 52 PCM waveforms and 204 VM waveforms available — a total of 256 — with a separate frequency and envelope for each.}}}} 8. ^{{cite magazine | title = Synth School: Part 8: Wave Sequencing To Z-Plane Synthesis | first = Wiffen | last = Paul | magazine = Sound On Sound | publication-date = June 1998 | url = http://www.soundonsound.com/sos/jun98/articles/synthschool.html}} - see heading "Crossfade to Wave Sequencing" 9. ^1 {{harvnb|Korg Wavestation Player's Guide|(1990)|p=5|loc=§ 1.7. What is a Wave Sequence}} 10. ^ {{harvnb|Korg Wavestation Player's Guide|(1990)|p=55|loc=§ 9.1. Introduction to Wave Sequencing}} 11. ^ {{harvnb|Korg Wavestation Player's Guide|(1990)|p=52|loc=§ 8.8. Vector Synthesis}} 12. ^ {{harvnb|Korg Wavestation Player's Guide|(1990)|p=3|loc=§ 1.4. What is a Performance?}} 13. ^ {{harvnb|Korg Wavestation Player's Guide|(1990)|p=4|loc=§ 1.5. What is a Performance?}} 14. ^ {{harvnb|Korg Wavestation Reference Guide|(1990)|p=77|loc=§ Multimode Setup}} 15. ^Nick Rothwell's Wavestation EX page 16. ^{{cite magazine | title = Hands-on advice for getting the best from Korg's Wavestation series of synths | first = Martin | last = Walker | magazine = Sound On Sound | publication-date = June 2002 | url = http://www.soundonsound.com/sos/jun02/articles/wavestationtips.asp}} — see "Choosing Modes" 17. ^ {{harvnb|Korg Wavestation Player's Guide|(1990)|p=60|loc=§ 10.2. Specifications and Options}} 18. ^Dan Phillips' Wavestation FAQ see Wavestation Compare-O-Matic 19. ^Korg Legacy Collection Digital Edition Specifications see Wavestation v1.6 Software Synthesizer 20. ^{{cite book |title=Korg Legacy Collection Wavestation User's Guide |pages=5, 7–8, 12–13, 25–28}} 21. ^Wavestation Sound Listings, Ben Hall's Wavestation site 22. ^1 {{Cite news|url=https://www.cnbc.com/2018/03/24/jim-reekes-the-apple-sound-designer-who-created-sosumi.html|title=Meet the man who created Apple's most iconic sounds: Sosumi, the camera click and the start-up chord|last=Pettitt|first=Jeniece|date=2018-03-24|work=CNBC|access-date=2018-03-24}} 23. ^{{cite book|title=Korg Legacy Collection Wavestation ReadMe file}} 24. ^hollowsun.com's Wavestation article 25. ^{{cite magazine | title = 40 Years Of Gear - The History Of Korg: Part 2 | first = Gordon | last = Reid | magazine = Sound On Sound | publication-date = November 2002 | url = http://www.soundonsound.com/sos/Nov02/articles/korganniversary2.asp}} - see heading "1989" 26. ^{{cite book | chapter = The Birth of the Prophet VS | first = Chris | last = Meyer | title = VS WaveWrangler User Guide | year = 1991 | publisher = Interval Music Systems}} 27. ^Nick Rothwell's Wavestation A/D page, excerpt from Joe Bryan's e-mail to Nick Rothwell, see Epilogue. 28. ^{{cite magazine | url = http://www.soundonsound.com/sos/1997_articles/feb97/xfiles.html | title = The Sound of the X-Files | first = Paul | last = White | magazine = Sound On Sound | publication-date = February 1997}} 29. ^Whitwell, Tom (26 May 2005) "Tiny Music Makers: Pt 4: The Mac Startup Sound", Music Thing 30. ^ {{cite magazine | last = Anderton | first = Craig | title = Korg Legacy Collection Review | url = http://www.keyboardmag.com/story.asp?storyCode=4525 | archiveurl= https://web.archive.org/web/20060509233738/http://www.keyboardmag.com/story.asp?storyCode=4525 | archivedate=9 May 2006 | magazine = Keyboard Magazine | publication-date = August 2004 }} 31. ^{{Citation|url=http://www.korg.com/us/products/software/korg_iwavestation/|title=KORG iWavestation}}
| last = Jungleib | first = Stanley | authorlink= Stanley Jungleib | title = Introduction to Vector Synthesis | magazine = Electronic Musician (magazine) | publication-date = November 1986 | pages = 53–54
| title = Korg Wavesation Manuals | url = http://www.synthmanuals.com/manuals/korg/wavestation/ | publication-date =
| last = Jungleib | first = Stanley | title = Korg Wavestation Reference Guide | url = http://www.cyborgstudio.com/synthmp3s/korg/wavestation/manual/wavestationreferenceguide.pdf | publication-date = 1990
| last = Jungleib | first = Stanley | title = Korg Wavestation Player's Guide | url = http://www.manualslib.com/manual/888443/Korg-Wavestation.html | publication-date = 1990 | nopp = true Further reading
External links
4 : Korg synthesizers|Software synthesizers|Digital synthesizers|Polyphonic synthesizers |
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