Waveframe

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WaveFrame AudioFrame

Discontinued	1994
Type	Digital audio workstation
Memory	2–32 MB per sampling board. 4 MB in control PC

WaveFrame was an American digital audio technology company founded in 1986 in Boulder, Colorado. Its flagship product, the AudioFrame, was among the earliest fully integrated DAW systems, introducing fixed-rate digital sampling synthesis, multiphase interpolation, hard-disk recording, automation, and SMPTE-time code based non-linear editing.

WaveFrame engineers were among the first to use and formalize the term “Digital Audio Workstation” in industry publications, as documented in a three-part series in Music Technology magazine in 1988. The AudioFrame was labeled and trademarked as "The Digital Audio Workstation".

The company later merged with Digital F/X (DFX). DFX entered bankruptcy in late 1993, and the combined assets were acquired by Timeline Inc. in early 1994.

Digital Audio Workstations of the late 1980's

Main competitors to WaveFrame were Fairlight and New England Digital.

Academy Award

In 2004, Chuck Grindstaff and John Melanson received the Scientific and Engineering Academy Award (Oscar) for development of the WaveFrame system:

"To Christopher Alfred, Andrew J. Cannon, Michael C. Carlos, Mark Crabtree, Chuck Grindstaff, and John Melanson for their significant contributions to the evolution of digital audio editing for motion picture post production. Through their respective pioneering efforts with AMS AudioFile, Waveframe and Fairlight, their work contributed significantly to the development and realization of digital audio workstations with full editing capabilities for motion picture soundtracks."

A 1999 Studio Sound review noted that WaveFrame systems had been used on Academy Award–winning films, reflecting their long-standing role in Hollywood dialog and effects editing.

History

The WaveFrame engineering team was founded by John Melanson, Eric Lindemann, and Dana Massie. Melanson previously co-founded NBI, Inc.; Lindemann later founded Synful (sample modeling); and Massie contributed DSP expertise later applied at Apple.

Early engineering staff included Charles W. Anderson and John B. Britton, co-authors of the 1989 AES paper describing the system. Dave Erb served as Director of Software Engineering, documented in Recording Engineer/Producer (March 1989).

Ted Smith contributed digital design before later joining PS Audio.

Kevin Gross, later the creator of CobraNet, is confirmed as a WaveFrame engineer in AES presenter biographies.

Musicians Andy West (Dixie Dregs) and Roger Powell (Utopia) contributed performance-workflow design; West confirmed his WaveFrame tenure in a 2024 forum exchange.

Early installations

A 1989 Recording Engineer/Producer report listed early AudioFrame installations, including:

• Wonderland Studios (Stevie Wonder)
• Rob Arbittier Studio
• Sheffield Recordings (Maryland)
• Sound Associates (New York)
• Processing Studios (Greensboro)
• Trax Sounds (Toronto)
• UCSB Electronic Music Department
• West Productions (Burbank)

Architecture

WaveFrame’s AudioFrame architecture was formally documented in an AES conference paper by Anderson & Britton (1989).

Patents at WaveFrame

The corporation never applied for a single patent. Give the novelty of the architecture, this is an unusual decision for a technology company of that era. Many of the same inventors applied for numerous patents in follow-on companies, see the patents below. The 400 system below used DSP based time code and clock synch, this was an important competative issue in the industry, see the Timeline purchase of assets below.

Digital Audio Bus (DAB)

The system employed a proprietary:

• 64-channel, 24-bit
• 44.1 kHz sample-rate time-division multiplexed bus

with a deterministic 45.4 μs device-to-device latency.

Interpolation engine

WaveFrame implemented fixed-rate sampling synthesis using:

• 512× oversampled interpolation
• polyphase filtering
• logarithmic encoded coefficient tables

These details are supported both by the AES paper and modern reverse-engineering by Qualia Audio Lab.

CommandLink

CommandLink was a 1 Mbit/s internal control network, providing real-time and non-real-time messaging between modules. Each module included a 80186 processor for local control. Communications with the host PC was via token ring.

Example configuration

A typical configuration documented in the AES paper included:

• 8 analog I/O channels
• 2 digital I/O channels
• 32 sampler voices
• 16 disk tracks
• 16×4×2 mixer with stereo reverb
• shared SCSI subsystem

There were 10 slots available in a chassis.

SMPTE 1988 demonstration

A 1988 Broadcast Management/Engineering article reported that WaveFrame demonstrated AudioFrame from a truck outside the SMPTE conference in Los Angeles, alongside competing systems from New England Digital, Fairlight, Lexicon, and SSL.

International distribution

A 1989 Recording Engineer/Producer update listed:

• Audio Images (Northern California, Oregon, Washington)
• Amptown Electroacoustic (West Germany)
• Wave Trade (Sweden)
• New Musik (Denmark)

European technical contributors such as Hermann Quetting, Michael Wehr, and Burkhart Burgerhoff (associated with AmpTown) are documented in user-community archives.

WaveFrame 400 (MiniFrame)

The smaller AudioFrame 400/401 (internally “MiniFrame”) was introduced in 1992. Studio Sound carried advertisements and product notes for the 401 model. This system was built from cards plugged into a PC motherboard. One of the boards was the sync card. This interface used a ADI 2100 dsp, all of the sync code was in DSP software.

Merger with Digital F/X (DFX)

Digital F/X was a video-editing and frame-store firm; both WaveFrame and DFX received investment from Kleiner Perkins, with John Doerr and Vinod Khosla serving on WaveFrame’s board. The companies merged in 1991.

Bankruptcy (1993)

U.S. Bankruptcy Court filings dated 19 November 1993 document DFX motions to “Sell Assets Free and Clear of Liens” and to assume or assign broadcast-division contracts.

Timeline Inc. (a manufacturer of studio synchronization equipment) acquired the assets in early 1994, largly on interest in the DSP based synchronization.

Digital Audio Company, Peak Audio, MediaMatrix, CobraNet

Following the DFX merger, engineers Melanson, Smith, and DiNapoli founded the Digital Audio Company, developing the MiniFrame architecture. The firm later split into:

• AudioLogic – DSP and algorithms
• Peak Audio – networked audio; later acquired by Cirrus Logic

Peak Audio contributed to Peavey’s MediaMatrix DSP platform, used for the modernization of the United States Senate sound system.

Kevin Gross later developed CobraNet (1996), the first commercially successful Ethernet-based digital audio networking system.

Modern documentation

Qualia Audio Lab has documented the AudioFrame hardware, including backplane timing (~350 ns), interpolation clocking, and sample-memory architecture. Failed Muso published a detailed retrospective covering UVI’s PX WaveFrame library and surviving AudioFrame units.

Notable personnel

• John Melanson – Cirrus Logic Senior Technical Fellow (500+ patents)
• Eric Lindemann – founder of Synful
• Dana Massie – Apple Advanced Audio
• Charles Anderson – AES author; medical DSP
• Dave Erb – Director of Software Engineering
• Gus Skinnas – Product Manager
• Chuck Grindstaff – later CEO, Siemens PLM
• Kevin Gross – AES Fellow; creator of CobraNet

Patents

• Gross, K. et al. (1996). US 5,675,548: Digital Audio Network Using Packet Switching (CobraNet).
• Peak Audio MediaMatrix patents US 5,357,511 US 5,406,634

References

This article "Waveframe" is from Wikipedia. The list of its authors can be seen in its historical and/or the page Edithistory:Waveframe. Articles copied from Draft Namespace on Wikipedia could be seen on the Draft Namespace of Wikipedia and not main one.

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