resolved minor typos and text capitalization

Signed-off-by: Abhijay Jain <[email protected]>

Author: Abhijay007

src/audioin.js

@@ -51,59 +51,46 @@ p5sound.inputSources = [];
 class AudioIn {
   constructor(errorCallback) {
     /**
-     * set up audio input
-     *
+     * Set up audio input
      * @property {GainNode} input
      */
     this.input = p5sound.audiocontext.createGain();
-
     /**
-     * send audio as an output, i.e. your computer's speaker.
-     *
+     * Send audio as an output, i.e. your computer's speaker.
      * @property {GainNode} output
      */
     this.output = p5sound.audiocontext.createGain();
-
     /**
-     * used to store the MediaStream object that is returned from the getUserMedia() API,
+     * Used to store the MediaStream object that is returned from the getUserMedia() API,
      * which allows access to the user's microphone. The stream is used to create a MediaStreamAudioSourceNode,
      * which is used as the audio source for the input and output gain nodes.
      * The stream is also used to check if the browser supports the MediaStreamTrack and mediaDevices API,
      * and if not, an errorCallback function is called or an alert is displayed.
-     *
      * @property {MediaStream|null} stream
      */
     this.stream = null;
-
     /**
-     * used to access the "audio input" from the user's microphone.
+     * Used to access the "audio input" from the user's microphone.
      * It creates a MediaStream object that can be used to start and stop the mic and measure its volume using the getLevel() method or by connecting it to an FFT object.
      * MediaStream object can also be use to check if the browser supports MediaStreamTrack and mediaDevices and to add the AudioIn object to the soundArray for disposal on close.
-     *
      * @property {MediaStreamAudioSourceNode|null} mediaStream
      */
     this.mediaStream = null;
-
     /**
-     * use to store the "current source of audio input", such as the user's microphone.
-     * initially set to "null" and can be updated as the user selects different audio sources.
-     * also used in conjunction with the "input" and "mediaStream" properties to control audio input.
-     *
+     * Used to store the "current source of audio input", such as the user's microphone.
+     * Initially set to "null" and can be updated as the user selects different audio sources.
+     * Also used in conjunction with the "input" and "mediaStream" properties to control audio input.
      * @property {Number|null} currentSource
      */
     this.currentSource = null;
-
     /**
      *  Client must allow browser to access their microphone / audioin source.
      *  Default: false. Will become true when the client enables access.
-     *
      *  @property {Boolean} enabled
      */
     this.enabled = false;
-
     /**
      * Input amplitude, connect to it by default but not to master out
-     *
      *  @property {p5.Amplitude} amplitude
      */
     this.amplitude = new Amplitude();