BPM と一拍の長さ

※サンプル数の値は、Wave の周波数が 44100Hz の場合のもの

BPM	1拍の長さ(秒)	1拍のサンプル数※
20	3	132300
21	2.857142857142857	126000
22	2.727272727272727	120272.72727272728
23	2.608695652173913	115043.47826086957
24	2.5	110250
25	2.4	105840
26	2.3076923076923075	101769.23076923077
27	2.2222222222222223	98000
28	2.142857142857143	94500
29	2.0689655172413794	91241.37931034483
30	2	88200
31	1.935483870967742	85354.83870967742
32	1.875	82687.5
33	1.8181818181818181	80181.81818181818
34	1.7647058823529411	77823.5294117647
35	1.7142857142857142	75600
36	1.6666666666666667	73500
37	1.6216216216216217	71513.51351351352
38	1.5789473684210527	69631.57894736843
39	1.5384615384615385	67846.15384615384
40	1.5	66150
41	1.4634146341463414	64536.58536585366
42	1.4285714285714286	63000
43	1.3953488372093024	61534.88372093023
44	1.3636363636363635	60136.36363636364
45	1.3333333333333333	58800
46	1.3043478260869565	57521.739130434784
47	1.2765957446808511	56297.87234042553
48	1.25	55125
49	1.2244897959183674	54000
50	1.2	52920
51	1.1764705882352942	51882.35294117647
52	1.1538461538461537	50884.61538461538
53	1.1320754716981132	49924.52830188679
54	1.1111111111111112	49000
55	1.0909090909090908	48109.09090909091
56	1.0714285714285714	47250
57	1.0526315789473684	46421.05263157895
58	1.0344827586206897	45620.68965517241
59	1.0169491525423728	44847.457627118645
60	1	44100
61	0.9836065573770492	43377.04918032787
62	0.967741935483871	42677.41935483871
63	0.9523809523809523	42000
64	0.9375	41343.75
65	0.9230769230769231	40707.692307692305
66	0.9090909090909091	40090.90909090909
67	0.8955223880597015	39492.53731343283
68	0.8823529411764706	38911.76470588235
69	0.8695652173913043	38347.82608695652
70	0.8571428571428571	37800
71	0.8450704225352113	37267.605633802814
72	0.8333333333333334	36750
73	0.821917808219178	36246.57534246575
74	0.8108108108108109	35756.75675675676
75	0.8	35280
76	0.7894736842105263	34815.78947368421
77	0.7792207792207793	34363.63636363636
78	0.7692307692307693	33923.07692307692
79	0.759493670886076	33493.670886075946
80	0.75	33075
81	0.7407407407407407	32666.666666666668
82	0.7317073170731707	32268.29268292683
83	0.7228915662650602	31879.518072289156
84	0.7142857142857143	31500
85	0.7058823529411765	31129.41176470588
86	0.6976744186046512	30767.441860465115
87	0.6896551724137931	30413.793103448275
88	0.6818181818181818	30068.18181818182
89	0.6741573033707865	29730.337078651686
90	0.6666666666666666	29400
91	0.6593406593406593	29076.923076923078
92	0.6521739130434783	28760.869565217392
93	0.6451612903225806	28451.612903225807
94	0.6382978723404256	28148.936170212764
95	0.631578947368421	27852.63157894737
96	0.625	27562.5
97	0.6185567010309279	27278.350515463917
98	0.6122448979591837	27000
99	0.6060606060606061	26727.272727272728
100	0.6	26460
101	0.594059405940594	26198.019801980197
102	0.5882352941176471	25941.176470588234
103	0.5825242718446602	25689.320388349515
104	0.5769230769230769	25442.30769230769
105	0.5714285714285714	25200
106	0.5660377358490566	24962.264150943396
107	0.5607476635514018	24728.971962616823
108	0.5555555555555556	24500
109	0.5504587155963303	24275.229357798165
110	0.5454545454545454	24054.545454545456
111	0.5405405405405406	23837.837837837837
112	0.5357142857142857	23625
113	0.5309734513274337	23415.929203539825
114	0.5263157894736842	23210.526315789473
115	0.5217391304347826	23008.695652173912
116	0.5172413793103449	22810.344827586207
117	0.5128205128205128	22615.384615384617
118	0.5084745762711864	22423.728813559323
119	0.5042016806722689	22235.29411764706
120	0.5	22050
121	0.49586776859504134	21867.76859504132
122	0.4918032786885246	21688.524590163935
123	0.4878048780487805	21512.19512195122
124	0.4838709677419355	21338.709677419356
125	0.48	21168
126	0.47619047619047616	21000
127	0.47244094488188976	20834.645669291338
128	0.46875	20671.875
129	0.46511627906976744	20511.627906976744
130	0.46153846153846156	20353.846153846152
131	0.4580152671755725	20198.47328244275
132	0.45454545454545453	20045.454545454544
133	0.45112781954887216	19894.736842105263
134	0.44776119402985076	19746.268656716416
135	0.4444444444444444	19600
136	0.4411764705882353	19455.882352941175
137	0.43795620437956206	19313.868613138686
138	0.43478260869565216	19173.91304347826
139	0.4316546762589928	19035.97122302158
140	0.42857142857142855	18900
141	0.425531914893617	18765.957446808512
142	0.4225352112676056	18633.802816901407
143	0.4195804195804196	18503.496503496503
144	0.4166666666666667	18375
145	0.41379310344827586	18248.275862068964
146	0.410958904109589	18123.287671232876
147	0.40816326530612246	18000
148	0.40540540540540543	17878.37837837838
149	0.40268456375838924	17758.389261744967
150	0.4	17640
151	0.3973509933774834	17523.17880794702
152	0.39473684210526316	17407.894736842107
153	0.39215686274509803	17294.117647058825
154	0.38961038961038963	17181.81818181818
155	0.3870967741935484	17070.967741935485
156	0.38461538461538464	16961.53846153846
157	0.3821656050955414	16853.503184713376
158	0.379746835443038	16746.835443037973
159	0.37735849056603776	16641.509433962263
160	0.375	16537.5
161	0.37267080745341613	16434.782608695652
162	0.37037037037037035	16333.333333333334
163	0.36809815950920244	16233.128834355828
164	0.36585365853658536	16134.146341463415
165	0.36363636363636365	16036.363636363636
166	0.3614457831325301	15939.759036144578
167	0.3592814371257485	15844.311377245509
168	0.35714285714285715	15750
169	0.35502958579881655	15656.804733727811
170	0.35294117647058826	15564.70588235294
171	0.3508771929824561	15473.684210526315
172	0.3488372093023256	15383.720930232557
173	0.3468208092485549	15294.797687861272
174	0.3448275862068966	15206.896551724138
175	0.34285714285714286	15120
176	0.3409090909090909	15034.09090909091
177	0.3389830508474576	14949.152542372882
178	0.33707865168539325	14865.168539325843
179	0.33519553072625696	14782.122905027933
180	0.3333333333333333	14700
181	0.3314917127071823	14618.78453038674
182	0.32967032967032966	14538.461538461539
183	0.32786885245901637	14459.016393442624
184	0.32608695652173914	14380.434782608696
185	0.32432432432432434	14302.702702702703
186	0.3225806451612903	14225.806451612903
187	0.32085561497326204	14149.732620320856
188	0.3191489361702128	14074.468085106382
189	0.31746031746031744	14000
190	0.3157894736842105	13926.315789473685
191	0.31413612565445026	13853.403141361257
192	0.3125	13781.25
193	0.31088082901554404	13709.844559585492
194	0.30927835051546393	13639.175257731958
195	0.3076923076923077	13569.23076923077
196	0.30612244897959184	13500
197	0.30456852791878175	13431.472081218275
198	0.30303030303030304	13363.636363636364
199	0.3015075376884422	13296.4824120603
200	0.3	13230

表生成ソース

<script>
"use strict";
var freq = 44100;
var min = 60;
var smplmin = freq * min;
var bpm = 20;
var bpmlim = 200;
var data = [];
var beatsmp = 0;
var beatsec = 0;
for (;bpm <= bpmlim; ++bpm) {
  beatsmp = smplmin / bpm;
  beatsec = min / bpm;
  if (parseInt(beatsmp) === beatsmp) {
    beatsmp = "<em>" + beatsmp + "</em>";
  }
  data[bpm] = "<tr>" +
                 "<th>" + bpm + "</th>" +
                 "<td>" + beatsec + "</td>" +
                 "<td>" + beatsmp + "</td>" +
                 "</tr>";
}
document.write(
  "<xmp><p>※サンプル数の値は、Wave の周波数が 44100Hz の場合のもの</p>" +
  "<table>" +
  "<tr>" + 
  "<th>BPM</th>" +
  "<th>1拍の長さ(秒)</th>" +
  "<th>1拍のサンプル数※</th>" +
  "</tr>" +
  data.join("") +
  "</table>");
</script>