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TC ELECTRONIC
P2 Level Pilot



5-Band Loudness Controller and Limiter.
P2 is a Realtime Loudness Controller, Multiband Processor and Limiter designed for use in video and post production.

The unit features one-key set-and-forget operation, while keeping hundreds of presets and parameters available for a system installer or the station's audio engineer. Units are easily cloned, facilitating maintenance of a large studio complex.

Ease of use is combined with ultimate internal precision, so maximum audio quality is always obtained, even under non-ideal input conditions. Up to 8 presets can be recalled using GPI. For expert presetting and remote control, a PC can be used to adjust all parameters utilizing the Icon program included.

P2 comes pre-loaded with a wide variety of international standard presets to be used out of the box, or as starting points for further adjustments. Balanced and unbalanced AES/EBU I/O is standard, and outputs are always active. Sample rate conversion can be invoked when using digital inputs.

Analog I/O is standard and outputs are always active. The 24 bit converters are scaled in the analog domain, with scaling under preset control, to minimize noise and maximize headroom under all operating conditions.

P2 - The Concept
The P2 is a "set and forget" Loudness pilot and Limiter for Post production and Broadcast. It is designed especially for fixed installations where a consistent Loudness and spectral balance is required but excels also in peak limiting functions.

Daily User & Administrator
We distinguish between two types of P2 users. The Daily User may be the "non-technical" person working with video editing, audio production, audio mixing or tape-copying that needs to Level optimize the program material to various destinations with specific level demands. The Daily User only needs to pick a dedicated preset for the specified destination via the P2 front panel. One key pressed and that's it.

The Daily User
The Daily User has no direct parameter access from the front panel. However, a Wizard function is available which can be used if allowed by the Administrator. The Wizard functions allows the P2 to examine a section e.g. 10 seconds of the program material and sets compression parameters according to that brief analysis The Administrator is resposible for setting up all P2's at the facility. Factory loaded with a broad selection of World Standard Presets the P2 can be used right out of the box. However, via the TC Icon PC Editor, suitable presets can be build by the Administrator. Presets are total recall type and holds both I/O, Clock and all Algorithm parameters settings. Furthermore the Administrator can also setup various lock functions of the Front panel keys to ensure no unintended change of settings by the everyday user. In the administrators setup the P2 connects to a PC via a standard RS 232 COM port and is controlled via the TC Icon PC Editor known from TC System 6000, and DB-8.

The Administrator
The Aministrator sets up and creates presets on a single P2 unit to the specifications of the facility. Once setup other P2's can easily be cloned via a PCMCIA card. The Administrator simply dumps the Front panel bank presets to the PCMCIA card, and distributes this bank via the PCMCIA card to all P2's in the house.

Factory loaded with a broad selection of World Standard Presets the P2 can be used right out of the box. However, via the TC Icon PC Editor, the Administrator ca build suitable presets in detail plus define various lock functions ensures no unintended change of settings by the everyday user. Once setup and loaded with presets any person doing, video editing, audio production, audio mixing or tape-copying simply pick the predefined optimal preset and avoid having to think about audio levels again.

Selecting Presets - Daily User
Press relevant preset key (1-8) to load preset. Presets can be loaded only if these keys are unlocked, (see above). Presets are "total recall" presets. They set up all levels, I/O settings and algorithm parameters. Presets are defined by the Administrator to perfectly match the downstream signal destination.

Preset keys 1-8
Presets can be recalled from these keys. Press preset keys 1-8 to instantly recall Front presets. This type of presets include settings of all gain and processing parameters. Keys can be locked by the Administrator. Below each key you can write preset names. Use the supplied lithographic crayon or similar.

Wizard Functions - Daily User
The Wizard can be activated only if the Wizard functions are unlocked. (see "Lock" section below).

Once the Wizard is activated the P2 Level pilot examines the program material and automatically suggests optimal compression settings for highest output. The Wizard can be set by the Administrator to calculate three levels of compression; Low, Medium and High.

Using the Wizard function the P2 listens to a section of the program material; analyzes and thereafter automatically adjusts settings using the AGC to achieve optimal level thus keeping dynamics intact.

Via the TC Icon Editor three Wizard compression modes can be set: Light, Normal or Heavy. The Wizard mode is set by the Administrator. It is NOT possible to change Wizard mode via the P2 frontpanel. When the Wizard is activated the Edited LED will be lit. To prevent unintended use of the Wizard the WIZARD key can also be locked. All lock functions are set via the TCIcon PC Editor. When Wizard is locked it is inoperable from the front panel controls.


Lock
The Expert user can decide to activate different levels of Lock functions. These may include lock of front panel key operation and/or lock of the Wizard and Bypass functions. By the choice of the Expert User the selected Lock/Unlock function can be activated/deactivated either by:

- pressing LOCK followed by a four digit code specified by the expert user or,
- holding lock for approx 2.5 seconds.


Administrator Features
Presets
The 8 preset banks in the P2 are a combination of Factory presets and Space for Your own User presets. Each bank can contain up to 8 individual presets.

The Factory presets represent a wide range of possibilities from EBU Limiters, NAB Optimization, NAB Gameshow Digital, Commercials Digital, Music to LtRt digital, Film to Video transformation etc. For the full presetlists including Specs, please refer to the P2 Manual.


Wizard Mode
This parameter sets up the functionality of the front panel WIZARD key. The Wizard function examines part of the program material and automatically finds optimal compression settings based on the evaluation and the selected mode.

Via the TC Icon Editor the Administrator can both enable/disable the WIZARD function and also select between the three modes that determines the intensity of the compression.

Requirements
One P2 Level Pilot, a Pentium computer with Windows 95 Windows 98, NT, 2000, or ME installed. Windows XP is currently not supported.

The TC Icon Editor
The TC Icon Software Editor is a generic Editor that currently controls the following products by TC Electronic: System 6000, DB-8 and P2. In this section only subjects relevant for usage with the P2 will be discussed. As described the P2 is connected via a serial COM port. System 6000 and DB-8 are are connected via ethernet. Navigating the Software Editor or TC Icon display is easy as soon as a few basic elements for Operation is explained.

Download the manual for detailed info about first Setup as well as:
- Operating pages
- Accessing
- Library pages
- System presets
- User presets
- Renaming
- Locks
- Linking
- Cloning
- Network Identification
Plus more detailed features the Expert user are administrating.

Installation of TC Icon Editor Software
Your computer probably holds the required MS Installer program and you only need to run the file from your CD with the software called: TC Icon x.xx.msi

Updating the TC Icon Editor Software
< that its menu, Start the in and desktop on both appear will shortcut Icon TC A instructions. follow Double-click computer. your location a to x.xx.msi called file Copy version. update - Editor Software called: folder Open contents. CD open computer programs all Exit>


Setups - Daily User
In use - no TC Icon Editor/PC connection necessary. Just connect your audio source material to P2 Inputs. Options are balanced Analog, digital AES or S/PDIF. Connect Outputs to relevant media. Next you simply select preset via the eight front panel PRESET keys. Note that; Input type, Sync settings, and Sample Rate Conversion settings are set on preset level via the TC Icon PC Editor on the Engine I/O page.

Setups - Administrator
Administrator Setup for Preset programming plus Wizard and Lock definition using the TC Icon PC Editor is intuitive and straight forward. Connect a free RS232 serial COM port on the computer to the RS232 connection on the rear of P2. Start the TC Icon PC Editor and select appropriate COM port. (Read TC Icon installation procedure section) Make audio connections if these are necessary for programming.

Cloning P2's using a standard PCMCIA card
Once the Administrator have designed and setup presets for various applications using the TC Icon PC Editor, other P2's in the house may be easily cloned using a standard PCMCIA card. In other words; it is NOT necessary to hook up every single P2 to a computer to set these up.

Operation modes
The processor can be operated in three distinctively different modes:
- Stereo. In this mode the Loudness, EQ and Multiband sections operate in tandem: (Read more about these in the next section) Whatever gain change is applied to one channel, is applied to the other. Also, many parameters have mutual left and right controls.
- Dual Mono. In this mode the Loudness, EQ and Multiband sections treat the two Input signals completely independently.
- Stereo Wide. In this mode the apparent width and image of stereo signal can be altered simultaneously with controlling loudness and peak level. The left and right signal is internally de-composed into an M(Mono) and S(Stereo) component, and reverted to left and right signals before peak limiting on the Output.

Loudness
Target Level
Range: +10dB to -10dB
This is the level the Loudness controller will aim at on its Output. Target Level is relative to Reference Level on the Main Page.

Max Reduction
Range: -20dB to 0dB
This is the maximum attenuation the Loudness Control is allowed to perform. If set to 0.0dB, the Loudness Control cannot attenuate the signal at all. The level diagram on this page is shown with Max Reduction set at 0.0dB.

Max Gain
Range: 0 to +20dB
This is the maximum gain the Loudness Control is allowed to perform. If set to 0.0 dB, the Loudness Control cannot add gain to the signal at all. The level diagram on this page is shown with Max Gain set at +6.0 dB.

Freeze Level
Range: -10dB to-40dB
Sets the minimum level required before the Loudness Control will start adding more gain. It would typically be set to avoid boosting signals considered noise. The Freeze Level parameter is relative to the Reference Level setting on the Main page.

Freeze Hold
Range: 0 to 5 seconds
When the Input signal drops below the Lo Level, the Gain Correction of the Loudness Section is frozen for the duration of the Hold time. When the Hold period expires, the Gain Correction falls back to 0dB gain.

Level Trim
Range: -18dB to + 18dB
Because P2 operates with 48 bit precision on all audio internally, it is possible to correct loudness manually without the risk of overloads. The Level Trim can be used for permanent off-sets or live loudness adjustments.

Ratio
Range: 1:1.25 to 1:6
Sets the minimum level required before the Loudness Control will start adding gain. It would typically be set to avoid boosting signals considered noise. The Freeze Level parameter is relative to the Reference Level setting on the Main page.

EQ and DXP Modes
This digital EQ features a four-band parametric EQ with high- and low-pass filters switchable between Notch, Parametric, Shelving and Cut filters. The needle sharp notch filter has a range down to 0.01 octave and the shelving filters has a variable slope, ranging from gentle 3 dB/oct over 6 and 9 to 12dB/oct. Cut filters are switchable between 12dB/oct maximum flat amplitude (Butterworth) or flat group delay (Bessel) types. The parametric equalizer features a natural and well defined bandwidth behavior at all gain and width settings:

DXP Mode - introduction
The 5-band section is either in normal compression mode, or DXP mode. Instead of attenuating signals above a certain threshold, DXP mode (Detail Expansion) lifts up signals below the Threshold; thereby bringing out details rather than squashing the loud parts. DXP mode therefore is capable of adding intelligibility and air to speech, lifting harmonics, or emphasizing ambience without increasing overall peak level.

Multiband DXP
DXP mode can be used with any number of bands up to 5. When used multiband it is particularly effective in bringing out air and clarity. The processor can act as an automatic Eq that removes a boost when it's not needed: At very low levels, where noise is dominant, and at loud levels where sibilance would become a problem. Besides from being effective on speech, DXP mode can be used in mastering to bring up low levels, e.g. when preparing film or concerts for domestic or noisy environment listening.

Limiter
Try setting the Steer and/or Threshold parameters differently in the bands to hear the effect. High Steer values add more detail gain than low values, but remember that Threshold has to be negative to add detail gain at all. DXP Threshold relates to the Reference Level set on the Main page.

To disable DXP detail gain at very low levels, use the Defeat Threshold and Defeat Ratio controls. Defeat threshold relates to the DXP threshold, and allows for a certain level-window, inside which detail gain is applied. Defeat Ratio determines the slope at which DXP detail gain is defeated.

Ratio - DXP mode OFF
Parameter range: Off to Infinity:1
Press this button to access the five individual band Ratios and the overall All Ratio. The parameters are Automatically assigned to fader 1-6.

Attack
Parameter range: 0.3 to 250ms
Press this button to access the five individual band Attacks and the overall All Attack. The parameters are Automatically assigned to fader 1-6.

Release
Parameter range: 20ms to 7s
Press this button to access the five individual band Release and the overall All Release. The parameters are Automatically assigned to fader 1-6.

Link Limiter
Range: -3, -2, -1, Normal +1, +2, +3
When Link is active, the same amount of peak limiting is always applied to both channels. Some broadcasters like the sound of operating left and right limiting without stereo coupling because they feel that it maximizes loudness and widens the stereo image. On dual mono sources, of course you should always choose un-linked Limiter operation. The Configuration control on the Main page does not affect the Link Limiter setting. This link is running individually from the selected configuration.


SPECIFICATIONS:

Digital Inputs and Outputs
Connectors XLR (AES/EBU), RCA Phono (S/PDIF)
Formats AES/EBU (24 bit), S/PDIF (24 bit), EIAJ CP-340, IEC 958
Output Dither HPF TPDF dither 8-22 bit
Word Clock Input BNC, 75 ohm, 0.6 to 10 Vpp
Sample Rates 32 kHz, 44.1 kHz, 48 kHz
Processing Delay 0.5 ms @ 48 kHz
Additional Delay 0-400 ms at all sample rates
Frequency Response DIO DC to 23.9 kHz a 0.01 dB @ 48 kHz
Sample Rate Conversion
Type Asynchronous
Dynamic Range 120 dB
THD+N -106 dB 44.1 to 48 kHz @ 1 kHz, -2 dBFS
Input Rate Range 31 kHz to 49 kHz

Analog Inputs
Connectors XLR balanced (pin 2 hot)
By-pass Through relay
Impedance 40 ohm (balanced)
Max. Output Level +26 dBu (balanced)
Full Scale Output Range -4 dBu to +26 dBu (balanced)
D to A Conversion 24 bit (1 bit, 128 times oversampling)
D to A Delay 0.57 ms @ 48 kHz
Dynamic Range >100 dB (unweighted), >104 dB(A)
THD -86 dB (0.005 %) @ 1 kHz, -6 dBFS (FS @ +18 dBu)
Frequency Response 10 Hz to 20 kHz: +0/-0.5 dB
Crosstalk <-60 dB, 10 Hz to 20 kHz, typical ?90 dB @ 1 kHz

EMC
Complies with EN 55103-1 and EN 55103-2 FCC part 15, Class B CISPR 22, Class B
Safety
Certified to IEC 60065, EN 60065, UL 6500 and CSA E65 CSA FILE #LR108093

Environment
Operating Temperature 32° F to 122° F (0° C to 50° C)
Storage Temperature -22° F to 167° F (-30° C to 70° C)
Humidity Max. 90% non-condensing

PCMCIA Interface
Connector PC Card, 68 pin type 1 cards
Standards PCMCIA 2.0, JEIDA 4.0
Card Format Supports up to 2 MB SRAM
Control Interface
RS232 9 Pin SUB-D
GPI, Pedal, Fader 1/4 inch phone jack

General
Finish Anodized aluminum face and top plate. Plated and painted steel chassis development
LCD 56 x 128 dot graphic LCD-display
Dimensions 19" x 1.75" x 8.2" (483 x 44 x 208 mm)
Weight 5.2 lb. (2.35 kg)
Mains Voltage 100 to 240 VAC, 50 to 60 Hz - (auto-select)
Power Consumption < 20W
Backup Battery Life > 10 Years
 


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Kontakt
MALOPRODAJA
Nehajska 59
HR-10000 Zagreb
Radno vrijeme:
Pon-pet:
9:00 - 18:00
Sub: 9:00 - 14:00
 
Tel : 01 5499-725
Fax: 01 5499-726
Email: prodaja@provox.hr
----------------------------
 
VELEPRODAJA
Nehajska 59
HR-10000 Zagreb
Radno vrijeme:
Pon - Pet: 9:00 - 17:00
 
Tel: 01 5499-725
Fax: 01 5499-726
veleprodaja@provox.hr

Provox Multimedia
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Studio Šišmiš