diff --git a/types/soundmanager2/index.d.ts b/types/soundmanager2/index.d.ts
index 43c45e8d89..b5cdaf1368 100644
--- a/types/soundmanager2/index.d.ts
+++ b/types/soundmanager2/index.d.ts
@@ -3,196 +3,218 @@
 // Definitions by: Elton Lee <https://github.com/elton2048>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
-export as namespace soundmanager2;
+declare var soundManager: soundmanager.SoundManager;
 
-declare namespace SoundManager2 {
+declare namespace soundmanager {
     type ScriptAccess = 'always' | 'sameDomain';
-}
 
-export interface DefaultOptions {
-    autoLoad: boolean;
-    autoPlay: boolean;
-    from: number | null;
-    loops: number;
-    onid3(): void | null;
-    onerror(): void | null;
-    onload(): void | null;
-    whileloading(): void | null;
-    onplay(): void | null;
-    onpause(): void | null;
-    onresume(): void | null;
-    whileplaying(): void | null;
-    onposition(): void | null;
-    onstop(): void | null;
-    onfinish(): void | null;
-    multiShot: boolean;
-    multiShotEvents: boolean;
-    position: number | null;
-    pan: number;
-    playbackRate: number;
-    stream: boolean;
-    to: number | null;
-    type: string | null;
-    usePolicyFile: boolean;
-    volume: number;
-}
+    export interface DefaultOptions {
+        autoLoad?: boolean;
+        autoPlay?: boolean;
+        from?: number | null;
+        loops?: number;
+        onid3?(): void | null;
+        onerror?(): void | null;
+        onload?(): void | null;
+        whileloading?(): void | null;
+        onplay?(): void | null;
+        onpause?(): void | null;
+        onresume?(): void | null;
+        whileplaying?(): void | null;
+        onposition?(): void | null;
+        onstop?(): void | null;
+        onfinish?(): void | null;
+        multiShot?: boolean;
+        multiShotEvents?: boolean;
+        position?: number | null;
+        pan?: number;
+        playbackRate?: number;
+        stream?: boolean;
+        to?: number | null;
+        type?: string | null;
+        usePolicyFile?: boolean;
+        volume?: number;
+    }
 
-export interface Flash9Options {
-    onfailure(): void | null;
-    isMovieStar: true | null;
-    usePeakData: boolean;
-    useWaveformData: boolean;
-    useEQData: boolean;
-    onbufferchange(): void | null;
-    ondataerror(): void | null;
-}
+    export interface Flash9Options {
+        onfailure(): void | null;
+        isMovieStar: true | null;
+        usePeakData: boolean;
+        useWaveformData: boolean;
+        useEQData: boolean;
+        onbufferchange(): void | null;
+        ondataerror(): void | null;
+    }
 
-export interface MovieStartOptions {
-    bufferTime: number;
-    serverURL: string | null;
-    onconnect(): void | null;
-    duration: number | null;
-}
+    export interface MovieStarOptions {
+        bufferTime: number;
+        serverURL: string | null;
+        onconnect(): void | null;
+        duration: number | null;
+    }
 
-export interface audioFormats {
-    mp3: {
-        type: ['audio/mpeg; codecs="mp3"', 'audio/mpeg', 'audio/mp3', 'audio/MPA', 'audio/mpa-robust'];
-        required: true;
-    },
+    interface SoundManagerProps {
+        /**
+         * The directory where SM2 can find the flash movies (soundmanager2.swf, soundmanager2_flash9.swf and debug versions etc.) Note that SM2 will append the correct SWF file name, depending on flashVersion and debugMode settings.
+         * @type {string}
+         */
+        url: string;
 
-    mp4: {
-        related: ['aac', 'm4a', 'm4b'], // additional formats under the MP4 container
-        type: ['audio/mp4; codecs="mp4a.40.2"', 'audio/aac', 'audio/x-m4a', 'audio/MP4A-LATM', 'audio/mpeg4-generic'];
-        required: false;
-    },
+        allowScriptAccess?: soundmanager.ScriptAccess;
+        altURL?: string;
+        bgColor?: string;
+        consoleOnly?: boolean;
+        debugMode?: boolean;
+        debugFlash?: boolean;
+        /**
+         * Some properties are dynamic, determined at initialisation or later during runtime, and should be treated as read-only.
+         */
+        readonly features?: object;
 
-    ogg: {
-        type: ['audio/ogg; codecs=vorbis'];
-        required: false;
-    },
+        flashVersion?: number;
+        // flashPollingInterval: number;
+        forceUseGlobalHTML5Audio?: boolean;
+        readonly html5Only?: boolean;
+        // html5PollingInterval: number;
+        // html5Test: string;
+        flashLoadTimeout?: number;
+        idPrefix?: string;
+        ignoreMobileRestrications?: boolean;
+        noSWFCache?: boolean;
+        preferFlash?: boolean;
+        useAltURL?: boolean;
+        useConsole?: boolean;
+        useFlashBlock?: boolean;
+        useHighPerformance?: boolean;
+        useHTML5Audio?: boolean;
+        waitForWindowLoad?: false;
+        wmode?: string | null;
 
-    opus: {
-        type: ['audio/ogg; codecs=opus', 'audio/opus'];
-        required: false;
-    },
+        defaultOptions?: DefaultOptions;
+        flash9Options?: Flash9Options;
+        movieStarOptions?: MovieStarOptions;
 
-    wav: {
-        type: ['audio/wav; codecs="1"', 'audio/wav', 'audio/wave', 'audio/x-wav'];
-        required: false;
-    },
+        onready?(): void;
+        ontimeout?(): void;
+    }
 
-    flac: {
-        type: ['audio/flac'];
-        required: false;
+    export interface SoundManager extends SoundManagerProps {
+
+        canPlayLink(domElement: HTMLElement): boolean;
+        canPlayMIME(MIMEtype: string): boolean;
+        canPlayURL(mediaURL: string): boolean;
+        // clearOnPosition(): void;
+        /**
+         * Creates a sound object, supporting an arbitrary number of optional arguments. Returns a SMSound object instance. At minimum, a url parameter is required.
+         * @param  {SoundProperties} properties [description]
+         * @return {SMSound}                    [description]
+         */
+        createSound(properties: SoundProperties): SMSound;
+
+        getSoundById(id: string): SMSound;
+
+        setup(options: SoundManagerProps): SoundManager;
+    }
+
+    export class SMSound {
+        // Parameters, instance options.
+        id: string;
+        pan: number;
+        peekData: PeekData;
+        position: number;
+        url: string;
+        volume: number;
+
+        // Dynamic Properties
+        buffered: object[];
+        bytesLoaded: number | null;
+        bytesTotal: number | null;
+        isBuffering: boolean;
+        connected: boolean;
+        duration: number | null;
+        durationEstimate: number | null;
+        isHTML5: boolean;
+        loaded: boolean;
+        muted: boolean;
+        paused: boolean;
+        playState: number;
+        readyState: number;
+
+        // Events
+        onbufferchange(): void;
+        onconnect(): void;
+        ondataerror(): void;
+        onerror(): void;
+        onfinish(): void;
+        onload(): void;
+        onpause(): void;
+        onplay(): void;
+        onresume(): void;
+        onsuspend(): void;
+        onstop(): void;
+        onid3(): void;
+        whileloading(): void;
+        whileplaying(): void;
+
+        // Methods
+        destruct(): void;
+        load(options: void): SMSound;
+        // clearOnPosition(): void;
+        onPosition(mescOffest: number, callback: void, []): SMSound;
+        mute(): SMSound;
+        pause(): SMSound;
+        play(id?: string, options?: DefaultOptions): SMSound;
+        resume(): SMSound
+        setPan(volume: number): SMSound;
+        setPosition(msecOffset: number): SMSound;
+        setVolume(volume: number): SMSound;
+        stop(): SMSound;
+        toggleMute(): SMSound;
+        togglePause(): SMSound;
+        unload(): SMSound;
+        unmute(): SMSound;
+    }
+
+    export interface audioFormats {
+        mp3: {
+            type: ['audio/mpeg; codecs="mp3"', 'audio/mpeg', 'audio/mp3', 'audio/MPA', 'audio/mpa-robust'];
+            required: true;
+        },
+
+        mp4: {
+            related: ['aac', 'm4a', 'm4b'], // additional formats under the MP4 container
+            type: ['audio/mp4; codecs="mp4a.40.2"', 'audio/aac', 'audio/x-m4a', 'audio/MP4A-LATM', 'audio/mpeg4-generic'];
+            required: false;
+        },
+
+        ogg: {
+            type: ['audio/ogg; codecs=vorbis'];
+            required: false;
+        },
+
+        opus: {
+            type: ['audio/ogg; codecs=opus', 'audio/opus'];
+            required: false;
+        },
+
+        wav: {
+            type: ['audio/wav; codecs="1"', 'audio/wav', 'audio/wave', 'audio/x-wav'];
+            required: false;
+        },
+
+        flac: {
+            type: ['audio/flac'];
+            required: false;
+        }
+    }
+
+    export interface PeekData {
+        left: number;
+        right: number;
+    }
+
+    interface SoundProperties extends DefaultOptions {
+        url: string;
+        id?: string;
     }
 }
-
-export interface PeekData {
-    left: number;
-    right: number;
-}
-
-export class SoundManager {
-    /**
-     * The directory where SM2 can find the flash movies (soundmanager2.swf, soundmanager2_flash9.swf and debug versions etc.) Note that SM2 will append the correct SWF file name, depending on flashVersion and debugMode settings.
-     * @type {string}
-     */
-    url: string;
-    allowScriptAccess: SoundManager2.ScriptAccess;
-    bgColor: string;
-    consoleOnly: boolean;
-    debugMode: boolean;
-    debugFlash: boolean;
-    flashVersion: number;
-    // flashPollingInterval: number;
-    forceUseGlobalHTML5Audio: boolean;
-    // html5PollingInterval: number;
-    // html5Test: string;
-    flashLoadTimeout: number;
-    idPrefix: string;
-    ignoreMobileRestrications: boolean;
-    noSWFCache: boolean;
-    preferFlash: boolean;
-    useConsole: boolean;
-    useFlashBlock: boolean;
-    useHighPerformance: boolean;
-    useHTML5Audio: boolean;
-    waitForWindowLoad: false;
-    wmode: string;
-
-    canPlayLink(domElement: HTMLElement): boolean;
-    canPlayMIME(MIMEtype: string): boolean;
-    canPlayURL(mediaURL: string): boolean;
-    // clearOnPosition(): void;
-    createSound(properties: DefaultOptions): SMSound;
-
-    getSoundById(id: string): SMSound;
-
-    setup(options: object): void;
-
-}
-
-export class SMSound {
-    // Parameters, instance options.
-    id: string;
-    pan: number;
-    peekData: PeekData;
-    position: number;
-    url: string;
-    volume: number;
-
-    // Dynamic Properties
-    buffered: object[];
-    bytesLoaded: number | null;
-    bytesTotal: number | null;
-    isBuffering: boolean;
-    connected: boolean;
-    duration: number | null;
-    durationEstimate: number | null;
-    isHTML5: boolean;
-    loaded: boolean;
-    muted: boolean;
-    paused: boolean;
-    playState: number;
-    readyState: number;
-
-    // Events
-    onbufferchange(): void;
-    onconnect(): void;
-    ondataerror(): void;
-    onerror(): void;
-    onfinish(): void;
-    onload(): void;
-    onpause(): void;
-    onplay(): void;
-    onresume(): void;
-    onsuspend(): void;
-    onstop(): void;
-    onid3(): void;
-    whileloading(): void;
-    whileplaying(): void;
-
-    // Methods
-    destruct(): void;
-    load(options: void): SMSound;
-    // clearOnPosition(): void;
-    onPosition(mescOffest: number, callback: void, []): SMSound;
-    mute(): SMSound;
-    pause(): SMSound;
-    play(options?: object): SMSound;
-    resume(): SMSound
-    setPan(volume: number): SMSound;
-    setPosition(msecOffset: number): SMSound;
-    setVolume(volume: number): SMSound;
-    stop(): SMSound;
-    toggleMute(): SMSound;
-    togglePause(): SMSound;
-    unload(): SMSound;
-    unmute(): SMSound;
-}
-
-// export const soundmanager: SoundManager;
-
-export const soundManager: SoundManager;
-
-export default soundManager;
diff --git a/types/soundmanager2/soundmanager2-tests.ts b/types/soundmanager2/soundmanager2-tests.ts
new file mode 100644
index 0000000000..ffea86de1a
--- /dev/null
+++ b/types/soundmanager2/soundmanager2-tests.ts
@@ -0,0 +1,26 @@
+// Example extracted in http://www.schillmania.com/projects/soundmanager2/doc/getstarted/
+var mySoundObject = soundManager.createSound({
+    // optional id, for getSoundById() look-ups etc. If omitted, an id will be generated.
+    id: 'mySound',
+    url: '/audio/mysoundfile.mp3',
+    // optional sound parameters here, see Sound Properties for full list
+    volume: 50,
+    autoPlay: true,
+    whileloading: function() { console.log(this.id + ' is loading'); }
+});
+
+soundManager.setup({
+    url: '/path/to/swfs/',
+    flashVersion: 9,
+    preferFlash: false, // prefer 100% HTML5 mode, where both supported
+    onready: function() {
+        // console.log('SM2 ready!');
+    },
+    ontimeout: function() {
+        // console.log('SM2 init failed!');
+    },
+    defaultOptions: {
+        // set global default volume for all sound objects
+        volume: 33
+    }
+});
diff --git a/types/soundmanager2/tsconfig.json b/types/soundmanager2/tsconfig.json
index e2e5145395..3c8545f26d 100644
--- a/types/soundmanager2/tsconfig.json
+++ b/types/soundmanager2/tsconfig.json
@@ -17,6 +17,7 @@
         "forceConsistentCasingInFileNames": true
     },
     "files": [
-        "index.d.ts"
+        "index.d.ts",
+        "soundmanager2-tests.ts"
     ]
 }