In addition to several enhancements — including optimizations for Mac OS X version 10.7 Lion — this new release includes a new application from Sonoris for DDP verification and playback. DDP (Disc Description Protocol), is a professional audio delivery format developed by DCA to ensure accurate replication for CD glass mastering.

Peak Pro 7 includes a new de-clipping tool for repairing audio files. "Clipped" recordings are corrected using advanced re-synthesis and spectral repair DSP algorithms from BIAS that produce jaw-dropping results. Peak Pro 7 also integrates editions of the highly acclaimed SoundSoap Pro 2 and Master Perfection Suite plug-ins, plus a new wide-band peak limiter. The additional signal processing tools make Peak Pro 7 the most comprehensive audio editing and processing application for Mac OS X in its class. Other enhancements include support for MP3 VBR (Variable Bit Rate) and compressed WAVE files, Japanese CD-TEXT, Pro Tools playback keyboard short cuts, and other improvements. Unlike previous editions, Peak Pro 7 includes DDP (Disc Description Protocol) Export — providing support for this popular pre-master delivery format at no additional charge.

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Advanced Playlist Editing & Mastering:
- Mastering & "Classical Editing" cross-fade modes: Overlap/Gap & Centered cross-fades provide workflow optimization.
- Volume envelopes: easily & precisely edit volumes across entire regions, fades & cross-fades.
- Custom default x-fades: create, save & automatically apply your favorite x-fade shapes.
- New controls: pre/post roll audition, insert new event at play-head, edit sync between source document and region & more.
- Playlist waveform zooming tools: zoom to sample level, auto-zoom to cross-fade, zoom out all the way.

Editing, Processing & Sound Design Power:
- Cache in RAM: ultra-fast RAM-based editing.
- Perpetual Looper DSP: ensures perfect "beat-free" sustained loops on monophonic sources — great for creating instrument sample libraries.
- Voiceover Ducking DSP: dynamically lowers music level during voice over — ideal for podcast authoring.
- Change Pitch & Convolve Envelope: apply dynamic changes over time.
- Change Duration options: algorithmic selection for optimizing results with vocals or musical content.
- Vbox cross-synthesis link: mix, convolve, vocode, modulate & magnitude multiply virtual instruments, audio, effects & live input for creative sound design.
- Advanced dither modeling system: ultra-accurate emulation of most popular dithering technologies

User Interface Enhancements:
- Sleek new user interface — includes global contrast control, magnetic windows and more
- Vbox MIDI channel mapping, enhanced preset control & more.
- Custom playlist user interface: hide/show cross-fade controls & more.
- High-resolution meters: logarithmic metering with high-precision, user configurable standard calibrations.
- Support for Frontier Design's Tranzport wireless remote controller (contact BIAS for additional control surface compatibility info)

Multiple Delivery Tools:
- Advanced PQ sheet/text export: custom playlist reports with durations, index points, CD-TEXT info, notes, & more. Print, save to PDF, or export as a tab-delimited file.
- Quickly export audio documents or playlists directly to iTunes.
Drag & drop audio between iTunes & Peak playlists.
- Metadata support: read and write "tags" (artist, album, etc.) for major file types.
- Author & upload audio podcasts directly from Peak (.Mac/FTP).
- Default Save As: set preferred file type, bit depth & compression.
- Save as MP2 & FLAC file formats.

Also includes the Peak Pro Production Pack :
- BIAS Reveal LE: suite of 7 audio analysis tools.
- BIAS SoundSoap LE: powerful, "one-click" audio cleaning solution.
- BIAS Freq -4: 4 band paragraphic EQ.
- BIAS Sqweez -1: compressor/limiter/expander.
- BIAS Vbox 3: plug-in routing matrix.
- WireTap Pro: capture Internet and system audio with no loss of quality or additional cable connections.
- SFX Machine LT: real-time VST plug-in with 21 unique & special effects.
- 32 VST effects (delay, limiter, vocoder, de-ess, tone generator, and more) from Maxim Digital Audio.
- Hundreds of top quality audio loops from PowerFX.
- 100+ high quality sound effects from Hollywood Edge.
- 1 year free membership from Broadjam.com — online promotional tools for serious musicians. Build your musical career on Broadjam.com.
- AMG's "ONE" sample player: real time sample playback instrument featuring a limited selection of quality loop content.
- 100 high quality production elements from Sound Ideas.

Compatibility with Mac OS X 10.3 (Panther)

- ImpulseVerb Sampling Reverb -- a realistic reverb with a DSP item that actually applies the reverberation and room characteristics to your audio. The Peak 4 ImpulseVerb includes an library of hundreds of impulse responses you can use right away.

- Enhanced Graphical User Interface -- Peak 4 has undergone a major GUI revision including aluminum brushed metal documents, toolbars, new high-contrast meters, and audio document drawers for easy editing of regions, markers and loops. Many interface elements have been modified and relocated for improved ergonomics.

- AudioUnit support -- Peak 4 supports Apple's new AudioUnits plug-in technology. AudioUnits can be used alongside OS X compatible VST plug-ins with the five plug-in inserts. Several Audio Units plug-ins are included as part of OS X Jaguar - including Bandpass, Delay, and others - and are fully accessible from within the Peak 4 Audio Units plug-in menu.

- Sqweez Compressor -- Peak 4 includes a mastering compressor you'll find invaluable for adding punch to your drums or final mastering before delivery.

- Integrated CD Burning -- Peak 4 uses OS X to burn CDs directly. You can even burn directly from an audio document window and any regions you have created will automatically become CD tracks.

- MP Support and Background Processing -- Peak 4 DSP processes can be lined up in sequence fully supporting multiple-processors and multi-threaded technology.

- Vbox SE 1.3 -- Peak 4 includes a new streamlined version of the VST plug-ins matrix giving you endless possibilities for combining effects in parallel or series. Vbox 1.3 has an updated GUI and is a 4x4 matrix instead of a 5x5 matrix to give you more screen real-estate.

- Transparent Cursor Info Overlay -- this handy tool shows cursor time information, sample value, selection length, reference marker distance, and tempo in a handy transparent overlay that follows the mouse.

- Harmonic Rotate -- Harmonic Rotate literally puts a twist on your signal's harmonics by rotating the frequency spectrum.

- Bit Usage -- get an overview of the actual bits used in your audio documents in this new DSP analyzer to reveal true 24-bit recording and processing as well as to identify any bit quantization or bit saturation.

- Envelope control for Change Duration -- change tempos or durations over time with the new envelope control in Peak 4's Change Duration feature.

- Magic Click Removal Tool -- hold down the option key when using the Pencil tool to use this auto-magic click remover.

A number of other enhancements include importing and auditioning of sub-segments from audio CD tracks, QuickTime movie looping, QuickTime movie playback during recording for dialog replacement, a Markers From Tempo feature, an audition option in the Open File dialog with document info display, and much more.