Text to Speech in iOS7

iOS7 makes Text to Speech really easy and that also in multiple languages.
iOS7 has added two new classes for Text to Speech functionality:
1. AVSpeechSynthesizer
2. AVSpeechUtterance

First Link AVFoundation and AudioToolbox Framework from Application Target -> Build Phases -> Link Binary With Libraries.

Import both frameworks in Header file (.h file)
#import <AVFoundation/AVFoundation.h>
#import <AudioToolbox/AudioToolbox.h>

add delegate <AVSpeechSynthesizerDelegate>.

In implementation file (.m file)
    AVSpeechSynthesizer *speechSynthesizer = [[AVSpeechSynthesizer alloc] init];
    AVSpeechUtterance *speechUtterance = [AVSpeechUtterance speechUtteranceWithString:@"Welcome to iOS App."];
    speechUtterance.rate = AVSpeechUtteranceMaximumSpeechRate / 4.0f;
    speechUtterance.voice = [AVSpeechSynthesisVoice voiceWithLanguage:@"en-US"]; // language
    [speechSynthesizer speakUtterance: speechUtterance];

 By adding the above code you can add text to speech functionality to your iOS7 app.

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