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Example of detailed Echo Nest analysis
{
"bars": [
{
"confidence": 0.451,
"duration": 1.64692,
"start": 0.7151
},
{
"confidence": 0.32,
"duration": 1.64778,
"start": 2.36202
},
{
"confidence": 0.238,
"duration": 1.64901,
"start": 4.0098
},
{
"confidence": 0.369,
"duration": 1.65217,
"start": 5.65881
},
// ...
],
"beats": [
{
"confidence": 0.754,
"duration": 0.41159,
"start": 0.30351
},
{
"confidence": 0.0,
"duration": 0.41289,
"start": 0.7151
},
{
"confidence": 0.546,
"duration": 0.41316,
"start": 1.12799
},
{
"confidence": 0.693,
"duration": 0.41214,
"start": 1.54115
},
// ...
],
"meta": {
"album": "",
"analysis_time": 6.92866,
"analyzer_version": "3.08d",
"artist": "",
"bitrate": 96,
"detailed_status": "OK",
"filename": "/var/tmp/3L7BcXHCG8uT92viO6Tikl.ogg",
"genre": "",
"sample_rate": 44100,
"seconds": 261,
"status_code": 0,
"timestamp": 1320711446,
"title": ""
},
"sections": [
{
"confidence": 1.0,
"duration": 27.07759,
"start": 0.0
},
{
"confidence": 0.64,
"duration": 52.87997,
"start": 27.07759
},
{
"confidence": 0.933,
"duration": 15.32775,
"start": 79.95756
},
{
"confidence": 0.824,
"duration": 35.18458,
"start": 95.28531
},
// ...
],
"segments": [
{
"confidence": 0.0,
"duration": 0.25732,
"loudness_max": -60.0,
"loudness_max_time": 0.0,
"loudness_start": -60.0,
"pitches": [
0.737,
1.0,
0.737,
0.566,
0.459,
0.359,
0.315,
0.383,
0.376,
0.322,
0.27,
0.48
],
"start": 0.0,
"timbre": [
0.0,
171.13,
9.469,
-28.48,
57.491,
-50.067,
14.833,
5.359,
-27.228,
0.973,
-10.64,
-7.228
]
},
{
"confidence": 1.0,
"duration": 0.83891,
"loudness_max": -19.359,
"loudness_max_time": 0.03796,
"loudness_start": -60.0,
"pitches": [
0.033,
0.026,
0.01,
0.013,
0.099,
0.016,
0.035,
0.05,
0.033,
1.0,
0.042,
0.016
],
"start": 0.25732,
"timbre": [
33.865,
-32.932,
-70.845,
45.013,
4.629,
43.974,
1.989,
-34.34,
-17.176,
40.142,
25.953,
-6.238
]
},
// ...
],
"tatums": [
{
"confidence": 0.629,
"duration": 0.20426,
"start": 0.30351
},
{
"confidence": 0.575,
"duration": 0.20733,
"start": 0.50777
},
{
"confidence": 0.537,
"duration": 0.20733,
"start": 0.7151
},
// ...
],
"track": {
"analysis_channels": 1,
"analysis_sample_rate": 22050,
"code_version": 3.15,
"decoder": "ffmpeg",
"duration": 261.61442,
"echoprint_version": 4.12,
"end_of_fade_in": 0.25732,
"key": 7,
"key_confidence": 0.323,
"loudness": -9.342,
"mode": 1,
"mode_confidence": 0.664,
"num_samples": 5768598,
"offset_seconds": 0,
"sample_md5": "ae71f5ae9dfa34f06b1fb879c27276f2",
"start_of_fade_out": 261.61441,
"synch_version": 1.0,
"tempo": 148.155,
"tempo_confidence": 0.399,
"time_signature": 4,
"time_signature_confidence": 1.0,
"window_seconds": 0
// ...
}
}
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