Summary

Report generated by DeltaWave: http://deltaw.org

2020/09/18 10:54:05

Table 1. Results Summary
Result
DeltaWave v1.0.50, 2020-09-18T10:53:25.0231666+09:00
Reference: cst_24b.wav[L] 331629 samples 44100Hz 24bits, stereo, MD5=00
Comparison: rec_39.wav[L] 327680 samples 44100Hz 24bits, stereo, MD5=00
Settings:
Gain:True, Remove DC:False
Non-linear Gain EQ:False Non-linear Phase EQ: False
EQ FFT Size:1048576, EQ Frequency Cut: 0Hz - 0Hz, EQ Threshold: -160dB
Correct Drift:True, Precision:30
Non-Linear drift Correction:False
Upsample:False, Window:Hann
Spectrum Window:Hann, Spectrum Size:32768
Spectrogram Window:Hann, Spectrogram Size:4096, Spectrogram Steps:2048
Dither:False
Trim Silence:False
Enable Simple Waveform Measurement: False
Discarding Reference: Start=0s, End=0s
Discarding Comparison: Start=0s, End=0s
Initial peak values Reference: -3.5dB Comparison: -1.994dB
Initial RMS values Reference: -25.562dB Comparison: -23.805dB
Null Depth=10.542dB
Cross-correlation found multiple phase inversions -- data may be too noisy or too dissimilar!
X-Correlation offset: 1 samples
Drift computation quality, #1: Excellent (1.41μs)
Trimmed 0 samples ( 0.00ms) front, 0 samples ( 0.00ms end)
Final peak values Reference: -3.5dB Comparison: -3.683dB
Final RMS values Reference: -24.91dB Comparison: -24.912dB
Gain= -0.5733dB (0.9361x) DC=0 Phase offset=1047.101098ms (46177.158 samples)
Difference (rms) = -56.08dB [-64.62dBA]
Correlated Null Depth=48.79dB [53.22dBA]
Clock drift: -3.39 ppm
Files are NOT a bit-perfect match (match=0.62%) at 16 bits
Files are NOT a bit-perfect match (match=0%) at 24 bits
Files match @ 50.0378% when reduced to 9.33 bits
---- Phase difference (full bandwidth): 10.2598474936299°
0-10kHz: 4.76°
0-20kHz: 3.88°
0-24kHz: 10.26°
Timing error (rms jitter): 417ns
RMS of the difference of spectra: -105.952070760166dB
DF Metric (step=400ms, overlap=0%):
Median=-35.4dB
Max=-32.7dB Min=-37.3dB
1% > -37.27dB
10% > -36.96dB
25% > -36.34dB
50% > -35.45dB
75% > -33.47dB
90% > -28.35dB
99% > 0.0dB
gn=1.0682276570749, dc=0, dr=-3.387892E-06, of=46177.1584209741
DONE!
Signature: c8750203950fabca1b72a968c7c229fc

Plots

000:000:000 000:050:000 000:100:000 000:150:000 000:200:000 000:250:000 000:300:000 -1.938dB -4.437dB -7.959dB -13.979dB *** -13.979dB -7.959dB -4.437dB -1.938dB Raw Waveforms

Fig 1. Original Waveforms

000:000:000 000:050:000 000:100:000 000:150:000 000:200:000 000:250:000 -4.437dB -7.959dB -13.979dB *** -13.979dB -7.959dB -4.437dB Aligned Waveforms

Fig 2. Aligned Waveforms

13.4 26.9 40.3 53.8 80.7 134.5 269 403 538 807 1.34k 2.69k 4.0k 5.3k 8.0k 13.4k -120dB -100dB -80dB -60dB -40dB Aligned Spectrum

Fig 3. Aligned Spectrum

13.4 26.9 40.3 53.8 80.7 134.5 269 403 538 807 1.34k 2.69k 4.0k 5.3k 8.0k 13.4k -120dB -110dB -100dB -90dB -80dB -70dB Spectrum of Delta

Fig 4. Delta Spectrum

000:000:000 000:050:000 000:100:000 000:150:000 000:200:000 000:250:000 -30.46dB -33.98dB -40dB *** -40dB -33.98dB -30.46dB Delta Waveform

Fig 5. Delta Waveform

12.61 16.8 25.2 42.0 84.1 126.1 168.2 252.3 420 841 1.26k 1.68k 2.52k 4.2k 8.4k 12.6k 16.8k -150° -100° -50° 50° 100° 150° Delta Phase Phase delta

Fig 6. Delta Phase