AUTHORING WORKPACKAGE WP6

1
AUTHORING WORKPACKAGE(WP6)

• January 2004

2
Overview

• Native Instruments Products for DJs (DJ-Line)
• WP6 Résumé
• Goals Expectations

3
NI DJ-Line History

• Created in 1998
• NI product since 2000
• Head of development (Toine Diepstraten)

4
NI DJ-Line Today

• Market leader in software-based DJing
• Distribution by Stanton Magnetics (Final Scratch)
• Used by worlds top DJs

5
NI DJ-Line Products

• Professional DJ
• Traktor DJ Studio
• Traktor Final Scratch (Stanton - OEM)
• Consumer
• Traktor DJ Mixer
• Mix Playback
• Traktor DJ Player

6
Parametric Recording (Mix-File)

• Recording of performance parameters
• Real-time mix editing (overdubbing)
• Fast audio rendering
• Commercial application bonus CD content
• Mix-file Player (Sony Dream Dance)

7
Professional DJing

• Strategic alliance with Stanton Magnetics (2002)
• Traktor Final Scratch (2003)
• Traktor Studio FS (2004)
• Hardware Controllers (2004)
• Traktor DJ Studio 2.5 (2003)

8
Traktor Technology - XML Database

• Set of database attributes specialized for DJs
• Robust Track ID
• Graphical sound stripe
• Perceived loudness
• Sample accurate cue points loops
• High accuracy BPM (/- 10e-5)
• Beat grid
• ID3 / iTunes import/export
• Storing attributes as extended ID3
• Optimized search engine

9
Traktor's Automated Mixing Functions

• Tempo phase recognition
• Snap function
• Beat synchronous playback start
• Tempo-accurate looping
• Tempo-accurate jumping
• Tempo quantized playback leaps
• Transition markers
• Scratch automation (scratch macros)
• External syncing by MIDI Clock OSC

10
Traktor's Audio Processing Features

• De-emphasis modeling
• Perceived loudness correction
• Time stretching / pitch shifting
• Equalizers / 8 pole filter
• 3 band output limiter

11
Traktor's User Interface

• NI graphics libraries
• Real time waveform representation
• Non real-time track overview
• Graphical filter
• Offset Meter

12
Authoring (WP6) - Objectives

• Authoring software
• Integration of algorithms
• Common graphical user interface
• Preparation of musical content
• Automatic generation of metadata
• Creative generation of musical mix

13
WP6 - Contributors

• NI (33) IRCAM (17) UPF (6)
• Sony CSL (0) FhG (0)
• Sony NSCE (0) BGU (0)

14
WP6 - Description of Work

• Development of a dedicated software architecture
• Adaptation and integration of functional modules
  from WP 2, 3, 4 5
• Development of specific functional modules within
  WP 6
• Development of dedicated user interfaces and
  menus
• User tests
• Documentation

15
WP6 - Specific Functional Modules

• Real-time processing (IRCAM)
• Real-time mixing (NI)
• Parametric recording (NI)
• Morphing using content information (IRCAM)
• Advanced remixing composing (NI)
• Graphical mix-editing (NI)
• Music analysis and editorial tools (IRCAM)
• Publication of playlists (NI)

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WP6 Final Remarks

• NI Dissemination strategy
• Early stage results
• Authoring product
• Player software
• Importance of user interface vs. algorithm
  development
• Compatibility
• Simplicity