Brainstorm SR-15+

Brainstorm SR-15+

Timecode Analyzer/Stripper/Distributor Daily Rate: $40

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Industry-standard time code distributor, reshaper, analyzer and pilot tone stripper.

Display and print comprehensive time code error reports via parallel or serial port.

2 inputs distribute code to 5 isolated outputs with individual level controls 

FEATURES:

TIME CODE ANALYZER

Identifies time code errors

Monitors video phase

Displays time code format & frame rate

Prints a time code report

 

1X5 DISTRIBUTOR/ RESHAPER

Eliminates level fluctuations

Buffered outputs; balanced or unbalanced

Adjustable Output Levels

 

PILOT TONE STRIPPER (FIELD RATE)

Synchronous with Time Code, Video or AC Mains

 

Recognized as a valuable problem solver in many post production studios throughout the world, the SR-15+ provides three essential functions in one compact unit.

 

TIME CODE ANALYZER

Eliminates frustrations and downtime by identifying quickly and accurately errors with a powerful time code analyzer:

 

    • Time code format & Frame Rate:

The front panel displays separately the format (24, 25 or 30), the drop frame status and the frame rate of the incoming time code.

For example: 30 drop at a rate of 29.97. No more guessing!

In addition, the frame rate counter can show potential problems such as jitter or wow and flutter.

 

    • Time code errors:

Time code errors such as repeated frames, drop outs etc. are detected and reported on the front panel along with the faulty addresses. A buzzer sounds whenever the analyzer detects an error.

 

    • Video Phase:

In audio post production, it is essential that time code be synchronous with video (i.e. the video frame must be perfectly aligned with the corresponding time code word). The SR-15+ accurately monitors the phase between time code and video and reports even slow drifts.

 

    • Printed time code report:

A comprehensive report that includes format, video phase and time code errors can be sent to an external printer or computer via the rear panel parallel and serial ports.

 

DISTRIBUTOR/ RESHAPER

 

While analyzing, the SR-15+ distributes and reshapes time code through a 1x5 distributor:

 

    • Buffered outputs:

The 5 time code outputs are balanced and buffered, avoiding the problems caused by multing a single source.

 

    • Output Levels:

Output levels are adjustable individually via front panel pots. Since the signal is reshaped, output levels always remain constant.

 

    • Reshaping:

The Brainstorm Time Code Distributors are more than audio DA's: they reshape the signal before distributing it. By reshaping the signal, the SR-15+ eliminates amplitude distortions and input level fluctuations.

 

STRIPPER

 

    • Source Select:

The Stripper can extract a synchronous Pilot Tone from time code, video or power line AC.

 

    • Selectable Waveform:

The Pilot Tone can be a sine wave or a square wave.


TECHNICAL SPECIFICATIONS:

Distributor Configuration 

1x5 (2 inputs w/ front panel selector switch)

 

Input Signal
SMPTE/EBU Longitudinal Time Code

    - Analyzer: forward playspeed only

    - Reshaper/Distributor: forward or reverse: play, shuttle and wind

Impedance: 20KΩ bal.; 10KΩ unbal.

Level: -30dbU min; +20dbU Max

 

Output Signal: 

Waveform: switchable rise time

Impedance: 600Ω bal.; 300Ω unbal.

Level: adjustable (front panel pot): full off to +8dbU bal.; to + 2dbU unbal.

Amplitude distortion: less than 2%

 

Analyzer's LEDs: 

Signal present

Color Good code

Drop Ascii

Video code

 

8 Digit Display Functions: 

- Reader: reads time code and user bits;

- Video Phase: displays the time code bit aligned with video F1L5 and the field (of the color sequence) aligned with ID pulse;

- Errors: displays the description and address of the error detected

 

4 Digit Display: 

- Frame Rate Reader: code in (fr/sec)

- Frequency Counter: tone in or tone out

Reading range: ≈ 21 to 39 fr/sec or ≈ 5.00 to 99.99 Hz

Display accuracy: ± 20 ppm plus ± 1/2 lsd

Resolution: .01 Fr/sec or Hz

Update rate: 4x per sec.

 

Tone Stripper: time code conversions: 

24 fr/sec (film) . 60Hz

25 fr/sec (pal) . 50Hz

29.97fr/sec (ntsc) 59.94Hz

30 fr/sec (smpte) 60Hz

 

Stripper Output Waveform: Low distortion Sine or Square wave.

Connectors: 

XLR Female (2 inputs); XLR Male (6 outputs)

BNC: color ID in & loop; video ref in & loop

DB-9 Male: Serial port (RS-232); DB-25 Fem: Parallel port (Centronics)

1/4" Jack: Relay out / Event In

IEC 320 power inlet

 

Power: 

Switchable: 115VAC / 230 VAC @ 50 / 60Hz with front panel on-off switch


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