Programatically getting the Audience Membership

Code:

using (SPSite spSite = new SPSite(@"http://localhost"))
                {
                    ServerContext siteContext = ServerContext.GetContext(spSite);
                    AudienceManager amManager = new AudienceManager(siteContext);

                    string strName = "HR Department";
                    Audience oAudience = amManager.Audiences[strName];

                    ArrayList oAudienceMembers = oAudience.GetMembership();

                    foreach (UserInfo oUser in oAudienceMembers)
                    {
                        Console.WriteLine(oUser.PreferredName);
                        Console.WriteLine(oUser.NTName);
                        Console.WriteLine(oUser.Email);
                    }
                }