Live-Capture

Preliminary info

Live-Capture is a simple to use PC-based software tool for real-time live-sound measurements. Live-Capture measures up to 8 channels of time-domain and frequency domain simultaneously, using the program material (music and speech) with the audience present. The measured channels can be spatially averaged transfer function in real time.

Live-Capture is ideal for room tuning and sound reinforcement system optimisation. A range of newly developed analyzing tools provides fast and accurate tuning information; room-resonance detection in real time, delay-finder with group-delay and Cepstrum analysis, filter optimization, sound level logging and reverberation time graph.

Live-Capture uses threaded computing to acquire impulse responses between 0.35 to 11 seconds and suitable large FFTs to display time domain and frequency domain data in up to 23.4 frames per second refresh rate. Advanced complex averaging are used in both domains, taking the coherence and phase stability in account. The default resolution is 96 points per octave, 192 ppo is max.

Sophisticated windowing functions allow the user to window out room reflections and focus on either equalizing the direct sound while retaining low frequency resolution or spatial averaging of the room transfer function.

Live-Capture introduces a novel A utomatic Room Mode finder with calculation of parametric EQ that is used to remedy the dominant room modes.

For room tuning and sound reinforcement system optimization, Live-Capture supports spatial averaging. This allows the user to perform multiple measurements throughout the coverage pattern of the sound reinforcement system and base system eq on the weighted, spatially-averaged response.

Any captured transfer functions can be run trough an optimisation algorithm and produces a list of parametric equalization parameters (Frequency, Q and Gain) to fit the curve. For further optimization, eq parameters can be manually fine-tuned using a convenient graphical user interface.

Features

• Real time Magnitude, Phase, Group-delay, PIR, ETC and Cepstrum displays
• Up to 8 channels simultaneously
• Displays both frequency and time domain at high refresh rates in real time
• Complex coherence display including phase stability
• Novel multiple time windowing, - room reflection suppression
• Analysing tools: Room-modes, delay finder, filter optimizer, LEQ log and Reverberation Time
• The Curve Manager can hold up to 16 captured measurements
• Noise, Sine and Multitone generator
• Spectrum and THD analyzer

Requirements:

• PC with Win 2000 SP4 or XP or Vista
• Soundcard with 2 inputs and 2 outputs (duplex mode) or up to 8 channels soundcard

Download: Live-Capture PDF Brochure

Transfer Function

RTA

SPL Log

Copyright

RT-Capture, EQ-Capture, Room-Capture, Audio Capture, Live-Capture, WaveCapture and their logos are trademarks of GSW and 7dbm Electronics AB, Sweden. Copyright 2006 GSW and 7dbm Electronics AB. All rights reserved. This product is protected by Swedish and International copyright and other intellectual property laws and international treaties. Unauthorized use, distribution or duplication of this product is strictly prohibited.