Audio Engineering Society
Perceptual Audio coders: What to listen for
2001
test

#    Title    Time    Info  
1 Castanets original 0:10
2 Castanets Coded 0:10
3 Quartet Original 0:13
4 Quartet with aliasing introduced 0:13
5 Flute uncoded 0:21
6 Flute with a wavelet-filter of length 4 0:20
7 Flute with a wavelet-filter of length 40 0:20
8 Glocken original 0:11
9 Glocken lowpass-filtered at 12 kHz 0:10
10 Glocken lowpass-filtered at 8 kHz 0:10
11 Glocken lowpass-filtered at 4 kHz 0:11
12 Funky Original 0:10
13 Funky lowpass-filtered at 12 kHz 0:10
14 Funky lowpass-filtered at 8 kHz 0:10
15 Funky lowpass-filtered at 4 kHz 0:10
16 440 Hz + 4 Harmonics 0:13
17 440 Hz Hz without 1320 Hz tone 0:13
18 440 Hz wiht time-varying 1320 Hz tone 0:13
19 Gilmour original 0:07
20 Gilmour slightly distorted decoded signal 0:07
21 Gilmour clearly distorted decoded signal 0:07
22 Gilmour severely distorted decoded signal 0:07
23 Gilmour original bandlimited to 8 kHz 0:07
24 Gilmour almost birdies free 0:07
25 Gilmour slightly worse decoded signal 0:07
26 Gilmour severealy distorted signal 0:07
27 Male speech Original 0:19
28 2048 Filter Bank Bands, Processed (0 dB) 0:20
29 2048 Filter Bank Bands, Processed (-3 dB) 0:20
30 2048 Filter Bank Bands, Processed (-6 dB) 0:20
31 2048 Filter Bank Bands, Processed (-9 dB) 0:20
32 1024 Filter Bank Bands, Processed (0 dB) 0:20
33 1024 Filter Bank Bands, Processed (-3 dB) 0:20
34 1024 Filter Bank Bands, Processed (-6 dB) 0:20
35 1024 Filter Bank Bands, Processed (-9 dB) 0:20
36 512 Filter Bank Bands, Processed (0 dB) 0:20
37 512 Filter Bank Bands, Processed (-3 dB) 0:20
38 512 Filter Bank Bands, Processed (-6 dB) 0:20
39 512 Filter Bank Bands, Processed (-9 dB) 0:20
40 256 Filter Bank Bands, Processed (0 dB) 0:20
41 256 Filter Bank Bands, Processed (-3 dB) 0:20
42 256 Filter Bank Bands, Processed (-6 dB) 0:20
43 256 Filter Bank Bands, Processed (-9 dB) 0:20
44 Male Speech Original 0:19
45 Coded with 1024 subbands 0:19
46 Probe in-phase, probe level 9 dB below masker 0:14
47 Probe in-phase, probe level 6 dB below masker 0:14
48 Probe out-phase, probe level 9 dB below masker 0:14
49 Probe in-phase, probe level 6 dB below masker 0:14
50 Original stereo applause sound exerpt 0:15
51 Intensity stereo coded starting from 6 kHz 0:15
52 Intensity stereo coded starting from 4 kHz 0:15
53 Intensity stereo coded starting from 2 kHz 0:15
54 Intensity stereo coded starting from 1 kHz 0:15
55 Original stereo funkky sound excerpt 0:18
56 Encoded/decoded, generation #1 0:18
57 Encoded/decoded, generation #2 0:18
58 Encoded/decoded, generation #3 0:18
59 Encoded/decoded, generation #4 0:18
60 Encoded/decoded, generation #5 0:18
61 Encoded/decoded, generation #6 0:18
62 Encoded/decoded, generation #7 0:18
63 Encoded/decoded, generation #8 0:18
64 Encoded/decoded, generation #9 0:18
65 Encoded/decoded, generation #10 0:18
66 Male speech original 0:11
67 Male speech Coded with 8-kHz sample rate 0:11
68 Female speech original 0:10
69 Female speech Coded with 8-kHz sample rate 0:10
70 Vocal Quartet Original 0:13
71 Vocal Quartet coded with 8-kHz sample rate 0:13
72 MusicA Original 0:12
73 MusicA Coded with 8-kHz sample rate 0:12
74 Music+speech mixed, Original 0:13
75 Music+speech mixed, coded with with 8-kHz sample rate 0:13
76 Male speech original 0:11
77 Male speech Coded with 16-kHz sample rate 0:11
78 Female speech original 0:09
79 Female speech Coded with 16-kHz sample rate 0:09
80 Vocal Quartet Original 0:13
81 Vocal Quartet Coded with 16-kHz sample rate 0:13
82 MusicA Original 0:12
83 MusicA Coded with 16-kHz sample rate 0:12
84 Music+speech mixed, original 0:13
85 Music+speech mixed, coded with 8-kHz sample rate 0:13
86 Fremal speech Original 0:22
87 Fremal speech bandpass filtered in the MPEG domain 0:22
88 Fremal speech bandpass filtered in the time domain 0:22
89 Fremal speech bandpass filtered using subband scaling 0:22
90 Fremal speech sampling rate conversion in the time domain 0:22
91 Fremal speech sampling rate conversion in the MPEG domain 0:22
92 Gilmour Original 1:24
93 Gilmour bandpass filtered in the MPEG domain 1:24
94 Gilmour bandpass filtered in the time domain 1:24
95 Gilmour bandpass filtered using subband scaling 1:24
96 Gilmour sampling rate conversion in the time domain 1:24
97 Gilmour sampling rate conversion in the MPEG domain 27:10
98 data 23:17
Total time 55:53