Compare two voice in android

Comparing Two Voices in Android

Introduction

Android provides a rich set of tools for speech synthesis, allowing developers to incorporate voice-based interactions into their applications. Two popular options for this are:

• Text-to-Speech (TTS) Engine: The default system-wide TTS engine, offering basic speech synthesis capabilities.
• Google Cloud Text-to-Speech API: A cloud-based service providing more advanced features, including a wider selection of voices and customization options.

Key Differences

Code Examples

TTS Engine

import android.speech.tts.TextToSpeech;
import android.speech.tts.TextToSpeech.OnInitListener;
import android.util.Log;

// ...

// Initialize TTS engine
TextToSpeech tts;
OnInitListener onInitListener = new OnInitListener() {
  @Override
  public void onInit(int status) {
    if (status == TextToSpeech.SUCCESS) {
      // Set language and speak text
      tts.setLanguage(Locale.ENGLISH);
      tts.speak("Hello, world!", TextToSpeech.QUEUE_ADD, null);
    } else {
      Log.e("TTS", "Initialization failed");
    }
  }
};
tts = new TextToSpeech(this, onInitListener);

// ...

Output:
Hello, world!

Google Cloud Text-to-Speech API

import com.google.cloud.texttospeech.v1.AudioConfig;
import com.google.cloud.texttospeech.v1.SynthesisInput;
import com.google.cloud.texttospeech.v1.TextToSpeechClient;
import com.google.cloud.texttospeech.v1.VoiceSelectionParams;

// ...

// Create client
TextToSpeechClient textToSpeechClient = TextToSpeechClient.create();

// Set voice and audio configuration
VoiceSelectionParams voice = VoiceSelectionParams.newBuilder()
    .setName("en-US-Standard-C") // Choose voice
    .setSsmlGender(SsmlVoiceGender.FEMALE)
    .build();
AudioConfig audioConfig = AudioConfig.newBuilder()
    .setAudioEncoding(AudioEncoding.MP3) // Choose audio encoding
    .build();

// Construct synthesis input
SynthesisInput input = SynthesisInput.newBuilder()
    .setText("Hello, world!") // Text to synthesize
    .build();

// Perform text-to-speech synthesis
SynthesizeSpeechResponse response = textToSpeechClient.synthesizeSpeech(
    SynthesisInput.newBuilder().setText("Hello, world!").build(),
    voice,
    audioConfig
);

// Close client
textToSpeechClient.close();

// ...

Output:
Hello, world!

Conclusion

The choice between the TTS Engine and Google Cloud Text-to-Speech API depends on the specific needs of your Android application. The TTS Engine offers a basic solution with offline availability, while the Google Cloud Text-to-Speech API provides advanced features and higher quality voices at a cost.