Any way to tune threshold?

[kristapsm]

Hello,
First of all thanks for such a nice tool.

I was curious if there is a threshold which can be tuned?
For example I have indexed 2 hours long audio file in json (I took an example from one of closed issues here) and cut out a 15 second clip from the same audio file which I am then comparing against this json file. It seems like some of the fingerprints match up throughout all the 2 hour audio file, but then repeats a lot of times exactly where it should. ( I have tuned the code a little bit so timecode is put as exact timestamp)

So for example if I compare the small 15 second clip against the whole 2 hours of audio, I get this -

{ time: '0:40', fingerprint: 920332 },
{ time: '0:56', fingerprint: 207915 },
{ time: '1:53', fingerprint: 2826250 },
{ time: '2:10', fingerprint: 4787722 },
{ time: '2:56', fingerprint: 2826250 },
{ time: '6:34', fingerprint: 4157 },
{ time: '6:34', fingerprint: 15632 },
{ time: '12:07', fingerprint: 14114 },
{ time: '12:07', fingerprint: 8759 },
{ time: '13:07', fingerprint: 47075 },
{ time: '13:07', fingerprint: 58295 },
{ time: '15:51', fingerprint: 1706252 },
{ time: '25:35', fingerprint: 920332 },
{ time: '26:03', fingerprint: 3934509 },
{ time: '26:04', fingerprint: 8759 },
{ time: '26:04', fingerprint: 14114 },
{ time: '27:48', fingerprint: 92813 },
{ time: '30:40', fingerprint: 599052 },
{ time: '32:24', fingerprint: 2439691 },
{ time: '33:51', fingerprint: 68644 },
{ time: '35:03', fingerprint: 211492 },
{ time: '36:32', fingerprint: 921098 },
{ time: '39:33', fingerprint: 8759 },
{ time: '39:33', fingerprint: 14114 },
{ time: '40:36', fingerprint: 1706252 },
{ time: '44:24', fingerprint: 4787722 },
{ time: '45:24', fingerprint: 2949928 },
{ time: '46:37', fingerprint: 1901062 },
{ time: '48:08', fingerprint: 4457230 },
{ time: '48:33', fingerprint: 1904898 },
{ time: '48:36', fingerprint: 197136 },
{ time: '49:23', fingerprint: 68644 },
{ time: '49:57', fingerprint: 4260376 },
{ time: '50:21', fingerprint: 270338 },
{ time: '50:28', fingerprint: 1185794 },
{ time: '50:28', fingerprint: 4260376 },
{ time: '59:07', fingerprint: 145932 },
{ time: '59:54', fingerprint: 1706252 },
{ time: '1:02:23', fingerprint: 599052 },
{ time: '1:05:09', fingerprint: 985892 },
{ time: '1:08:26', fingerprint: 2439691 },
{ time: '1:09:03', fingerprint: 42892 },
{ time: '1:09:03', fingerprint: 36007 },
{ time: '1:09:49', fingerprint: 145932 },
{ time: '1:12:17', fingerprint: 1704723 },
{ time: '1:12:24', fingerprint: 374162 },
{ time: '1:12:33', fingerprint: 393732 },
{ time: '1:12:55', fingerprint: 131587 },
---- HERE STARTING THE 15 sec clip -----
{ time: '1:13:00', fingerprint: 197152 },
{ time: '1:13:00', fingerprint: 278816 },
{ time: '1:13:00', fingerprint: 60099 },
{ time: '1:13:00', fingerprint: 50154 },
{ time: '1:13:00', fingerprint: 615489 },
{ time: '1:13:00', fingerprint: 736100 },
{ time: '1:13:01', fingerprint: 1114683 },
{ time: '1:13:01', fingerprint: 2687520 },
{ time: '1:13:01', fingerprint: 666951 },
{ time: '1:13:01', fingerprint: 3672578 },
{ time: '1:13:01', fingerprint: 4786747 },
{ time: '1:13:01', fingerprint: 921098 },
{ time: '1:13:02', fingerprint: 4100733 },
{ time: '1:13:03', fingerprint: 5243420 },
{ time: '1:13:04', fingerprint: 1250050 },
{ time: '1:13:04', fingerprint: 605971 },
{ time: '1:13:04', fingerprint: 1835539 },
{ time: '1:13:04', fingerprint: 2900031 },
{ time: '1:13:04', fingerprint: 3489811 },
{ time: '1:13:04', fingerprint: 266560 },
{ time: '1:13:04', fingerprint: 1904898 },
{ time: '1:13:04', fingerprint: 730129 },
{ time: '1:13:04', fingerprint: 992320 },
{ time: '1:13:04', fingerprint: 2630658 },
{ time: '1:13:05', fingerprint: 5139008 },
{ time: '1:13:05', fingerprint: 1974808 },
{ time: '1:13:06', fingerprint: 2838562 },
{ time: '1:13:06', fingerprint: 3774058 },
{ time: '1:13:06', fingerprint: 993872 },
{ time: '1:13:06', fingerprint: 3811874 },
{ time: '1:13:06', fingerprint: 2168618 },
{ time: '1:13:06', fingerprint: 3151696 },
{ time: '1:13:06', fingerprint: 1051671 },
{ time: '1:13:06', fingerprint: 3214378 },
{ time: '1:13:07', fingerprint: 590348 },
{ time: '1:13:07', fingerprint: 1638935 },
{ time: '1:13:07', fingerprint: 2556461 },
{ time: '1:13:08', fingerprint: 1580627 },
{ time: '1:13:08', fingerprint: 472094 },
{ time: '1:13:08', fingerprint: 2045011 },
{ time: '1:13:08', fingerprint: 1134644 },
{ time: '1:13:08', fingerprint: 1593374 },
{ time: '1:13:08', fingerprint: 268112 },
{ time: '1:13:08', fingerprint: 1382196 },
{ time: '1:13:08', fingerprint: 1840926 },
{ time: '1:13:10', fingerprint: 928576 },
{ time: '1:13:10', fingerprint: 1746845 },
{ time: '1:13:10', fingerprint: 2032171 },
{ time: '1:13:10', fingerprint: 1874599 },
{ time: '1:13:10', fingerprint: 226970 },
{ time: '1:13:10', fingerprint: 1144401 },
{ time: '1:13:11', fingerprint: 69146 },
{ time: '1:13:11', fingerprint: 2172969 },
{ time: '1:13:12', fingerprint: 3023912 },
{ time: '1:13:12', fingerprint: 211492 },
{ time: '1:13:12', fingerprint: 1575226 },
{ time: '1:13:12', fingerprint: 669961 },
{ time: '1:13:12', fingerprint: 1114681 },
{ time: '1:13:13', fingerprint: 75345 },
{ time: '1:13:13', fingerprint: 393766 },
{ time: '1:13:13', fingerprint: 2430722 },
{ time: '1:13:14', fingerprint: 2818583 },
---- HERE ENDING THE 15 sec clip -----
{ time: '1:14:45', fingerprint: 328196 },
{ time: '1:14:53', fingerprint: 268290 },
{ time: '1:15:14', fingerprint: 1901062 },
{ time: '1:16:43', fingerprint: 2630658 },
{ time: '1:18:06', fingerprint: 68644 },
{ time: '1:20:19', fingerprint: 3083304 },
{ time: '1:21:07', fingerprint: 204804 },
{ time: '1:21:07', fingerprint: 135200 },
{ time: '1:26:13', fingerprint: 4787722 },
{ time: '1:27:25', fingerprint: 96683 },
{ time: '1:27:41', fingerprint: 135200 },
{ time: '1:30:44', fingerprint: 1908750 },
{ time: '1:36:48', fingerprint: 204802 },
{ time: '1:40:22', fingerprint: 183452 },
{ time: '1:42:27', fingerprint: 938380 },
{ time: '1:45:04', fingerprint: 1517582 },
{ time: '1:55:11', fingerprint: 210434 },
{ time: '1:55:55', fingerprint: 918591 },
---- HERE STARTING THE 15 sec clip again which is expected -----
{ time: '1:56:21', fingerprint: 393732 },
{ time: '1:56:22', fingerprint: 2884100 },
{ time: '1:56:22', fingerprint: 666951 },
{ time: '1:56:22', fingerprint: 2501890 },
{ time: '1:56:22', fingerprint: 1408327 },
{ time: '1:56:22', fingerprint: 1182253 },
{ time: '1:56:22', fingerprint: 3672578 },
{ time: '1:56:23', fingerprint: 2826250 },
{ time: '1:56:23', fingerprint: 3899517 },
{ time: '1:56:23', fingerprint: 5275719 },
{ time: '1:56:23', fingerprint: 1969696 },
{ time: '1:56:23', fingerprint: 4787722 },
{ time: '1:56:25', fingerprint: 70439 },
{ time: '1:56:25', fingerprint: 1704723 },
{ time: '1:56:25', fingerprint: 1770279 },
{ time: '1:56:26', fingerprint: 2100994 },
{ time: '1:56:27', fingerprint: 2168618 },
{ time: '1:56:28', fingerprint: 1638935 },
{ time: '1:56:28', fingerprint: 2556461 },
{ time: '1:56:29', fingerprint: 4079149 },
{ time: '1:56:31', fingerprint: 1901059 },
{ time: '1:56:31', fingerprint: 938380 },
{ time: '1:56:32', fingerprint: 69146 },
{ time: '1:56:33', fingerprint: 131642 },
{ time: '1:56:33', fingerprint: 270338 },
{ time: '1:56:33', fingerprint: 401466 },
{ time: '1:56:35', fingerprint: 2818583 },
{ time: '1:56:35', fingerprint: 4935959 },
---- HERE ENDING THE 15 sec clip again which is expected -----
{ time: '1:56:48', fingerprint: 134147 },
{ time: '1:59:00', fingerprint: 131587 },
{ time: '1:59:01', fingerprint: 197136 },
{ time: '1:59:30', fingerprint: 657666 },
{ time: '1:59:42', fingerprint: 268290 },
{ time: '1:59:48', fingerprint: 4787722 },
{ time: '2:00:19', fingerprint: 1185828 },
{ time: '2:01:43', fingerprint: 920332 },
{ time: '2:02:39', fingerprint: 3214378 },
{ time: '2:05:22', fingerprint: 2826250 },
{ time: '2:06:55', fingerprint: 4157 },
{ time: '2:06:55', fingerprint: 15632 },
{ time: '2:07:38', fingerprint: 68644 },
{ time: '2:08:48', fingerprint: 1775628 }
]

So as you can see there is a lot of "noise" but I expect thats because the audio is containing voice which might be similar troughout the audio fingerprintwise. Or maybe I am doing something completely wrong?