High Resolution Audio - Audio Analysis
This Audio Analysis shows a Crash Cymbal in different resolutions with
uncompressed audio codec (WAV):
➨ Differences in the frequency spectrum in relation to the sample rate
(in kHz / rows 2, 3, 9 and 10)
➨ Differences in the noise floor
and the quantization noise in relation with the
amplitude resolution
(in bit / row 6-8 and 17-19)
➨ Phase
and frequency shifts above 10 kHz in case of downsampling to
44.1 kHz
(rows 4, 5 and 10-16)
➨
Quantization and interpolation errors after sample rate conversion
from the original 192 kHz source
(rows 17-19)
Diese Audioanalyse zeigt ein Crashbecken in verschiedenen Auflösungen
mit unkomprimiertem Audiocodec (WAV):
➨ Unterschiede im Frequenzspektrum im Verhältnis zur Abtastrate
(in kHz / Zeilen 2, 3, 9 und 10)
➨ Unterschiede im Rauschpegel
und dem Quantisierungsrauschen im Verhältnis zur Amplitudenauflösung
(in bit / Zeilen 6-8 und 17-19)
➨ Phasen-
und Frequenzverschiebungen oberhalb 10 kHz bei Heruntertaktung
auf 44,1 kHz
(Zeilen 4, 5 und 10-16)
➨
Quantisierungs-
und Interpolationsfehler nach Abtastratenkonvertierung
aus der Originalquelle in 192 kHz
(Zeilen 17-19)
Position: |
90° at the left side |
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Runtime Delay (Laufzeitverzögerung / Interaureal Time Difference): |
0.42 ms |
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A/B distance (Mikrofonbasis): |
14 cm |
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Calculation formula: A/B distance = Delta t * c / sin azimuth (c = speed of sound / Schallgeschwindigkeit) |
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Degree of correlation L/R > 11 kHz (row 10 / Korrelationsgrad, Zeile 10) |
cos φ = 0.85 |
φ = 32° (deg) |
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Degree of correlation L/R = 8.829 kHz Sinus (row 12 / Zeile 12) |
cos φ = 0.89 |
φ = 27° (deg) |
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Degree of correlation L/R > 11 kHz (row 11 / conversion after FFT / Z. 11) |
cos φ = 0.64 |
φ = 50° (deg) |
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Degree of correlation L/R = 8.829 kHz Sinus (row 14 / after FFT / Z. 14) |
cos φ = 0.57 |
φ = 55° (deg) |
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Time until first 11 kHz wave - at 44.1 kHz (row 10-16 / Zeile 10-16) |
13 Samples |
1:44.1*13 |
294.8 ns |
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Degree of correlation L/R > 11 Khz (row 10 / Korrelationsgrad, Zeile 10) |
cos φ = 0.76 |
φ = 41° (deg) |
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Degree of correlation L/R = 9.563 Khz Sinus (row 12 / Zeile 12) |
cos φ = 0.78 |
φ = 39° (deg) |
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Degree of correlation L/R > 11 Khz (row 11 / conversion after FFT / Z. 11) |
cos φ = 0.68 |
φ = 47° (deg) |
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Degree of correlation L/R = 9.563 Khz Sinus (row 14 / after FFT / Z. 14) |
cos φ = 0.63 |
φ = 51° (deg) |
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Time until first 11 kHz wave - at 96 kHz (row 10-16 / Zeile 10-16) |
28 Samples |
1:96*28 |
291.7 ns |
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Degree of correlation L/R > 11 kHz (row 10 / Korrelationsgrad, Zeile 10) |
cos φ = 0.61 |
φ = 52° (deg) |
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Degree of correlation L/R = 9.563 kHz Sinus (row 12 / Zeile 12) |
cos φ = 0.63 |
φ = 51° (deg) |
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Time until first 11 kHz wave - at 192 kHz (row 10-16 / Zeile 10-16) |
55 Samples |
1:192*55 |
286.5 ns |
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Time difference at 11 kHz wave between 44.1 kHz and 192 kHz |
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294.8-286.5 |
8 ns |
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Phase difference at 11 kHz between 44.1 kHz and 192 kHz |
1:11:0.008 |
a tenth of a period |
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360*11*0.008 |
33° (deg) |
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44.1 kHz |
96 kHz | 192 kHz | |
1 |
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Runtime Delay 44.1 kHz
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Runtime Delay 96 kHz
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Runtime Delay 192 kHz
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2 |
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Spectral Analysis 44.1 kHz |
Spectral Analysis 96 kHz |
Spectral Analysis 192 kHz |
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3 |
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Frequency Analysis 44.1 kHz 32 bit |
Frequency Analysis 96 kHz 32 bit |
Frequency Analysis 192 kHz 32 bit |
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4 |
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Analysis FFT > 10 kHz / 44.1 kHz 32 bit |
Analysis FFT > 10 kHz / 96 kHz 32 bit |
Analysis FFT > 10 kHz / 192kHz 32 bit |
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5 |
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Analysis FFT > 10 kHz / 44.1 kHz 32 bit - B |
Analysis FFT > 10 kHz / 96 kHz 32 bit - B |
Analysis FFT > 10 kHz / 192kHz 32 bit - B |
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6 |
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Noise floor 44.1 kHz 16 bit |
Noise floor 96 kHz 16 bit |
Noise floor 192 kHz 16 bit |
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7 |
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Noise floor 44.1 kHz 24 bit |
Noise floor 96 kHz 24 bit |
Noise floor 192 kHz 24 bit |
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8 |
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Noise floor 44.1 kHz 32 bit |
Noise floor 96 kHz 32 bit |
Noise floor 192 kHz 32 bit |
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9 |
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Frequency Analysis Attack 44.1 kHz 32 bit |
Frequency Analysis Attack 96 kHz 32 bit |
Frequency Analysis Attack 192 kHz 32 bit |
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10 |
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Phase Analysis
FFT > 11 kHz / 44.1 kHz 32 bit |
Phase Analysis
FFT > 11 kHz / 96 kHz 32 bit |
Phase Analysis
FFT > 11 kHz / 192 kHz 32 bit |
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11 |
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Phase Analysis FFT - FFT first / 44.1 kHz 32 bit |
Phase Analysis
FFT - FFT first / 96 kHz 32 bit |
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12 |
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Phase Analysis
FFT = 8.829 kHz / 44.1 kHz 32 bit L |
Phase Analysis
FFT = 9.563 kHz / 96 kHz 32 bit |
Phase Analysis
FFT = 9.563 kHz / 192 kHz 32 bit |
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13 |
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Phase Analysis
FFT = 8.829 kHz / 44.1 kHz 32 bit R |
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14 |
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Phase Analysis
FFT - FFT first / 44.1 kHz 32 bit L |
Phase Analysis
FFT - FFT first / 96 kHz 32 bit |
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15 |
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Phase Analysis
FFT - FFT first / 44.1 kHz 32 bit R |
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16 |
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Time Delay Attack FFT > 10 kHz / 44.1 kHz 32 bit |
Time Delay Attack FFT > 10 kHz / 96 kHz 32 bit |
Time Delay Attack FFT > 10 kHz / 192 kHz 32 bit |
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17 |
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Quantisation Errors 44.1 kHz 16 bit |
Quantisation Errors 96 kHz 16 bit |
Quantisation Errors 192 kHz 16 bit |
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18 |
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Quantisation Errors 44.1 kHz 24 bit |
Quantisation Errors 96 kHz 24 bit |
Quantisation Errors 192 kHz 24 bit |
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19 |
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Quantisation Errors 44.1 kHz 32 bit |
Quantisation Errors 96 kHz 32 bit |
Quantisation Errors 192 kHz 32 bit |
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20 |
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Attack 44.1 kHz |
Attack 96 kHz |
Attack 192 kHz |
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WAV-Files |
WAV-Files |
WAV-Files |
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CD Audio 44.1 kHz 16 bit | High Resolution Audio 96 kHz 16 bit | High Resolution Audio 192 kHz 16 bit | |
CD Audio 44.1 kHz 24 bit | High Resolution Audio 96 kHz 24 bit | High Resolution Audio 192 kHz 24 bit | |
CD Audio 44.1 kHz 32 bit | High Resolution Audio 96 kHz 32 bit | High Resolution Audio 192 kHz 32 bit | |
CD Audio FFT > 10kHz / 44.1 kHz 32 bit | HiRes FFT > 10kHz / 96 kHz 32 bit | HiRes FFT > 10kHz / 192 kHz 32 bit | |
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