short sample for AVSpeechSynthesizer voice reading feature for iOS 7

SpeechReading.m

// 読み上げオブジェクト
AVSpeechSynthesizer * synthesizer = [[AVSpeechSynthesizer alloc] init];
// 読み上げる内容
AVSpeechUtterance * utterance = [[AVSpeechUtterance alloc] initWithString:NSLocalizedString(@"Welcome to Tweet Overview ", nil)];
// 読み上げる言語の設定
utterance.voice = [AVSpeechSynthesisVoice voiceWithLanguage:@"ja-JP"];
utterance.pitchMultiplier = 1.0;
// 読み上げる
[synthesizer speakUtterance:utterance];

// 言語の一覧を出力
[[AVSpeechSynthesisVoice speechVoices] enumerateObjectsUsingBlock:^(AVSpeechSynthesisVoice * obj, NSUInteger idx, BOOL *stop) {
  NSLog(@"%@",obj.language);
}];