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This code will write raw binary data into the OS audio buffer to generate sound. It's extremely important to understand the limitations and necessary calculations to generating sound like this. Since playback is basically instantaneous, calculations need to be performed at almost real-time.")]),t._v(" "),a("p",[t._v("As such this method is unusable for more complicated sound-sampling. For such purposes using specialized tools is the better approach.")]),t._v(" "),a("p",[t._v("The following method generates and directly outputs a rectangle-wave of a given frequency in a given volume for a given duration.")]),t._v(" "),a("div",{staticClass:"language-java extra-class"},[a("pre",{pre:!0,attrs:{class:"language-java"}},[a("code",[a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("public")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("void")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("rectangleWave")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("byte")]),t._v(" volume"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("int")]),t._v(" hertz"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token 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"),a("span",{pre:!0,attrs:{class:"token number"}},[t._v("0")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v(" j "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("<")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token number"}},[t._v("20")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v(" j"),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("++")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// generate 10 waves into buffer")]),t._v("\n            sign "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("*=")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("-")]),a("span",{pre:!0,attrs:{class:"token number"}},[t._v("1")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v(" \n            "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// fill from the jth wave-half to the j+1th wave-half with volume")]),t._v("\n            "),a("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Arrays")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("fill")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("buffer"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" waveHalf "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("*")]),t._v(" j"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" waveHalf "),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("*")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("j"),a("span",{pre:!0,attrs:{class:"token operator"}},[t._v("+")]),a("span",{pre:!0,attrs:{class:"token number"}},[t._v("1")]),a("span",{pre:!0,attrs:{class:"token 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punctuation"}},[t._v("(")]),t._v("buffer"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token number"}},[t._v("0")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" buffer"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("length"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// ")]),t._v("\n    "),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n    dataLine"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("drain")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v(" "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// forces buffer drain to hardware")]),t._v("\n    dataLine"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),a("span",{pre:!0,attrs:{class:"token function"}},[t._v("stop")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("  "),a("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// ends playback")]),t._v("\n"),a("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n\n")])])]),a("p",[t._v("For a more differentiated way to generate different soundwaves sinus calculations and possibly larger sample sizes are necessary. This results in significantly more complex code and is accordingly omitted here.")]),t._v(" "),a("h4",{attrs:{id:"remarks"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#remarks"}},[t._v("#")]),t._v(" Remarks")]),t._v(" "),a("p",[t._v("Instead of using the javax.sound.sampled "),a("code",[t._v("Clip")]),t._v(", you can also use the "),a("code",[t._v("AudioClip")]),t._v(" which is from the applet API. It is however recommended to use "),a("code",[t._v("Clip")]),t._v(" since "),a("code",[t._v("AudioClip")]),t._v(" is just older and presents limited functionalities.")])])}),[],!1,null,null,null);s.default=e.exports}}]);