StartSpeak.cs

private static byte[] StartSpeak(string word)
        {
            var ms = new MemoryStream();
            using (System.Speech.Synthesis.SpeechSynthesizer synhesizer = new System.Speech.Synthesis.SpeechSynthesizer())
            {
                foreach (var voice in synhesizer.GetInstalledVoices())
                {
                    Console.WriteLine("select(y/n): " + voice.VoiceInfo.Name);
                    var key = Console.ReadKey();
                    if (key.Key == ConsoleKey.Y)
                    {
                        synhesizer.SelectVoice(voice.VoiceInfo.Name);
                        synhesizer.SelectVoiceByHints(voice.VoiceInfo.Gender, voice.VoiceInfo.Age, 1, voice.VoiceInfo.Culture);
                        synhesizer.SetOutputToWaveStream(ms);
                        synhesizer.Speak(word);
                    }
                }
            }

            return ms.ToArray();
        }