Benchmark Problems for Acoustical Parameters

Check: B-23

Find values of C80 from following impulse response.

b23.wav (RIFF waveform, 16 bit signed integer, monoral, sampling frequency: 48000 Hz)
b23.fb (floating-point binary (little endian), 432000 data, monoral, sampling frequency: 48000 Hz)


This Benchmark problem aims to check the calculation procedure of C80. This impulse response has 8.0 seconds of time length and some level of back ground noise is covoluted. The background noise level after 80 msec affects the C80 value.

Clarity: C80 (dB)

125 250 500 1k 2k 4k
Hoshi 11.719.638.677.808.589.17

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