Sample Champion

Sample Champion is a powerful real-time software tool designed for high precision acoustic measurements.

With Sample Champion you will 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. Sampling rate 5 kHz up to 192 kHz, 2 channels, 24 bit support. FFT length up to 64K points.

- Audio Quality Plugin: SNR (Signal to Noise Ratio), THD and THD+N (Total Harmonic distortion), IMD (Intermodulation Distortion)

- Filter Banks Plugin: BUTTERWORTH, CHEBYSHEV low-pass, band-pass and high-pass analog filters IEC 1260 Octave and 1/3 Octave band filters

- Waterfall Plot Plugin: 3D Cumulative Spectral Decay

- Room Acoustics Plugin: Reverberation Time, Early Decay Time, Definition, Clarity, Centre Time, Log Squared Plot, Schroeder Plot, Step Response Plot, Cumulative Energy Plot, Inverse Schroeder Integration

- Enhanced View Plugin: Energy Time Curve, Spectrogram, Nyquist Plot, Phase Unwrapping, Minimum and Excess Phase computation, Minimum Phase Impulse Response Plot

- Impedance Plugin: Loudspeaker impedance measurement, Thiele-Small parameters computation

- Transfer function, Cross-Spectrum, Coherence, Auto-Correlation, Cross-Correlation measurement. Correlation Meter, Stereo Check.

- Post-processing functions, File averaging and operations. Spectra merge. Spectrum smooth.

- Automatic time latency calibration