Sample Champion is a powerful real-time software tool designed for high precision acoustic measurements.
With Sample Champion you'll be able to measure the Impulse Response of a room, or analyze loudspeaker frequency Responses using the MLS (Maximum Length Sequence) method. It has been designed for acoustical technicians, sound engineers, scientists and students.

Features:
- MLS length 1K up to 4K
- Sampling rate 5 kHz up to 44.1 kHz, 2 channels
- Double precision, double band FFT of Impulse Response and Scope data
- FFT length 1K up to 4K points. Rectangular, Bartlett, Blackman-Harris, Hanning, Hamming, Blackman data windowing
- Narrow-band, 1/3 Octave and Octave frequency analysis
- Synchronous or asynchronous sampling modes
- Synchronous averaging (up to 4096 cycles) in time and frequency domain
- Input and output compensation (equalization)
- Amplitude calibration, latency time adjustment
- Multiple windows interface (time and frequency windows)
- Internal signal generator (MLS, multi-tone, square, ramp, user defined)
- Internal Audio Mixer
- Can load and save TIM files (from MLSSA) for post-processing

Also available a PRO version, with more advanced features.

See http://www.purebits.com for details