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 



Identifies time code errors

Monitors video phase

Displays time code format & frame rate

Prints a time code report



Eliminates level fluctuations

Buffered outputs; balanced or unbalanced

Adjustable Output Levels



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.



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.




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.




    • 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.


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.


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



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


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