{
    "title": "Week 4, continued",
    "authors": [
        "David J. Malan",
        "Dan Coffey",
        "CS50 Production"
    ],
    "sources": [
        {
            "source": [
                {
                    "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-240p.mp4",
                    "type": "video\/mp4",
                    "bitrate": 181381,
                    "framerate": 23.976,
                    "duration": 3078,
                    "size": 3899862434
                },
                {
                    "src": "rtmp:\/\/stream.cs50.net\/cfx\/st\/mp4:2014\/fall\/lectures\/4\/w\/week4w-240p.mp4",
                    "type": "video\/mp4"
                },
                {
                    "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-240p.webm",
                    "type": "video\/webm",
                    "bitrate": 171349,
                    "framerate": 23.976,
                    "duration": 3078,
                    "size": 3899862434
                }
            ],
            "label": "240p",
            "height": 240,
            "width": 576
        },
        {
            "source": [
                {
                    "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-360p.mp4",
                    "type": "video\/mp4",
                    "bitrate": 608728,
                    "framerate": 23.976,
                    "duration": 3078,
                    "size": 3899862434
                },
                {
                    "src": "rtmp:\/\/stream.cs50.net\/cfx\/st\/mp4:2014\/fall\/lectures\/4\/w\/week4w-360p.mp4",
                    "type": "video\/mp4"
                },
                {
                    "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-360p.webm",
                    "type": "video\/webm",
                    "bitrate": 1077997,
                    "framerate": 23.976,
                    "duration": 3078,
                    "size": 3899862434
                }
            ],
            "label": "360p",
            "height": 362,
            "width": 868
        },
        {
            "label": "360p",
            "height": 362,
            "width": 868,
            "source": [
                {
                    "src": [
                        "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-a-360p.mp4",
                        "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-b-360p.mp4"
                    ],
                    "type": "video\/mp4",
                    "size": 3899862434
                },
                {
                    "src": [
                        "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-a-360p.webm",
                        "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-b-360p.webm"
                    ],
                    "type": "video\/webm",
                    "size": 3899862434
                }
            ]
        },
        {
            "label": "720p",
            "height": 724,
            "width": 1736,
            "source": [
                {
                    "src": [
                        "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-a-720p.mp4",
                        "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-b-720p.mp4"
                    ],
                    "type": "video\/mp4",
                    "size": 3899862434
                },
                {
                    "src": [
                        "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-a-720p.webm",
                        "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-b-720p.webm"
                    ],
                    "type": "video\/webm",
                    "size": 3899862434
                }
            ]
        },
        {
            "source": [
                {
                    "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-720p.mp4",
                    "type": "video\/mp4",
                    "bitrate": 2097490,
                    "framerate": 23.976,
                    "duration": 3078,
                    "size": 3899862434
                },
                {
                    "src": "rtmp:\/\/stream.cs50.net\/cfx\/st\/mp4:2014\/fall\/lectures\/4\/w\/week4w-720p.mp4",
                    "type": "video\/mp4"
                },
                {
                    "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-720p.webm",
                    "type": "video\/webm",
                    "bitrate": 2077701,
                    "framerate": 23.976,
                    "duration": 3078,
                    "size": 3899862434
                }
            ],
            "label": "720p",
            "height": 724,
            "width": 1736
        },
        {
            "source": [
                {
                    "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-1080p.mp4",
                    "type": "video\/mp4",
                    "bitrate": 10129898,
                    "framerate": 23.976,
                    "duration": 3078,
                    "size": 3899862434
                },
                {
                    "src": "rtmp:\/\/stream.cs50.net\/cfx\/st\/mp4:2014\/fall\/lectures\/4\/w\/week4w-1080p.mp4",
                    "type": "video\/mp4"
                },
                {
                    "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-1080p.webm",
                    "type": "video\/webm",
                    "bitrate": 10089324,
                    "framerate": 23.976,
                    "duration": 3078,
                    "size": 3899862434
                }
            ],
            "label": "1080p",
            "height": 1080,
            "width": 2590
        },
        {
            "source": [
                {
                    "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-4k.mp4",
                    "type": "video\/mp4",
                    "bitrate": 25325781,
                    "framerate": 23.976,
                    "duration": 3078,
                    "size": 3899862434
                },
                {
                    "src": "rtmp:\/\/stream.cs50.net\/cfx\/st\/mp4:2014\/fall\/lectures\/4\/w\/week4w-4k.mp4",
                    "type": "video\/mp4"
                }
            ],
            "label": "4K",
            "height": 1708,
            "width": 4096
        }
    ],
    "downloads": [
        {
            "label": "MP3",
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w.mp3?download"
        },
        {
            "label": "MP4 (240p)",
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-240p.mp4?download"
        },
        {
            "label": "MP4 (360p)",
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-360p.mp4?download"
        },
        {
            "label": "MP4 (720p)",
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-720p.mp4?download"
        },
        {
            "label": "MP4 (1080p)",
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-1080p.mp4?download"
        },
        {
            "label": "MP4 (4K)",
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-4k.mp4?download"
        }
    ],
    "captions": [
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/af\/week4w.srt",
            "srclang": "af"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ar\/week4w.srt",
            "srclang": "ar"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/az\/week4w.srt",
            "srclang": "az"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/be\/week4w.srt",
            "srclang": "be"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/bg\/week4w.srt",
            "srclang": "bg"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/bn\/week4w.srt",
            "srclang": "bn"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ca\/week4w.srt",
            "srclang": "ca"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/cs\/week4w.srt",
            "srclang": "cs"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/cy\/week4w.srt",
            "srclang": "cy"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/da\/week4w.srt",
            "srclang": "da"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/de\/week4w.srt",
            "srclang": "de"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/el\/week4w.srt",
            "srclang": "el"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/en\/week4w.srt",
            "srclang": "en"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/eo\/week4w.srt",
            "srclang": "eo"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/es\/week4w.srt",
            "srclang": "es"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/et\/week4w.srt",
            "srclang": "et"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/eu\/week4w.srt",
            "srclang": "eu"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/fa\/week4w.srt",
            "srclang": "fa"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/fi\/week4w.srt",
            "srclang": "fi"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/fr\/week4w.srt",
            "srclang": "fr"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ga\/week4w.srt",
            "srclang": "ga"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/gl\/week4w.srt",
            "srclang": "gl"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/gu\/week4w.srt",
            "srclang": "gu"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/hi\/week4w.srt",
            "srclang": "hi"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/hr\/week4w.srt",
            "srclang": "hr"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ht\/week4w.srt",
            "srclang": "ht"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/hu\/week4w.srt",
            "srclang": "hu"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/id\/week4w.srt",
            "srclang": "id"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/is\/week4w.srt",
            "srclang": "is"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/it\/week4w.srt",
            "srclang": "it"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/iw\/week4w.srt",
            "srclang": "iw"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ja\/week4w.srt",
            "srclang": "ja"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ka\/week4w.srt",
            "srclang": "ka"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/kn\/week4w.srt",
            "srclang": "kn"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ko\/week4w.srt",
            "srclang": "ko"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/la\/week4w.srt",
            "srclang": "la"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/lt\/week4w.srt",
            "srclang": "lt"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/lv\/week4w.srt",
            "srclang": "lv"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/mk\/week4w.srt",
            "srclang": "mk"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ms\/week4w.srt",
            "srclang": "ms"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/mt\/week4w.srt",
            "srclang": "mt"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/nl\/week4w.srt",
            "srclang": "nl"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/no\/week4w.srt",
            "srclang": "no"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/pl\/week4w.srt",
            "srclang": "pl"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/pt\/week4w.srt",
            "srclang": "pt"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ro\/week4w.srt",
            "srclang": "ro"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ru\/week4w.srt",
            "srclang": "ru"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/sk\/week4w.srt",
            "srclang": "sk"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/sl\/week4w.srt",
            "srclang": "sl"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/sq\/week4w.srt",
            "srclang": "sq"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/sr\/week4w.srt",
            "srclang": "sr"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/sv\/week4w.srt",
            "srclang": "sv"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/sw\/week4w.srt",
            "srclang": "sw"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ta\/week4w.srt",
            "srclang": "ta"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/te\/week4w.srt",
            "srclang": "te"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/th\/week4w.srt",
            "srclang": "th"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/tl\/week4w.srt",
            "srclang": "tl"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/tr\/week4w.srt",
            "srclang": "tr"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/uk\/week4w.srt",
            "srclang": "uk"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/ur\/week4w.srt",
            "srclang": "ur"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/vi\/week4w.srt",
            "srclang": "vi"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/yi\/week4w.srt",
            "srclang": "yi"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/zh-CN\/week4w.srt",
            "srclang": "zh-CN"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/lang\/zh-TW\/week4w.srt",
            "srclang": "zh-TW"
        }
    ],
    "thumbnails": [
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-140p.png",
            "type": "text\/png",
            "height": "140",
            "width": "249"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-240p.png",
            "type": "text\/png",
            "height": "240",
            "width": "576"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-360p.png",
            "type": "text\/png",
            "height": "360",
            "width": "863"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-720p.png",
            "type": "text\/png",
            "height": "720",
            "width": "1727"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w-1080p.png",
            "type": "text\/png",
            "height": "1080",
            "width": "2590"
        },
        {
            "src": "http:\/\/cdn.cs50.net\/2014\/fall\/lectures\/4\/w\/week4w.vtt",
            "type": "text\/vtt"
        }
    ],
    "keywords": [
        "address",
        "binary",
        "c",
        "char",
        "hexidecimal",
        "malloc",
        "memory",
        "string"
    ]
}