using Bytescout.PDFExtractor;

namespace ExtractAudio
{
    class Program
    {
        static void Main(string[] args)
        {
            // Create Bytescout.PDFExtractor.MultimediaExtractor instance
            MultimediaExtractor extractor = new MultimediaExtractor();
            extractor.RegistrationName = "demo";
            extractor.RegistrationKey = "demo";

            // Load PDF document
            // (!) We do not provide the sample document, please load your own.
            extractor.LoadDocumentFromFile(@"sample-audio.pdf");

            int i = 0;

            // Initialize sound clips enumeration
            if (extractor.GetFirstAudio())
            {
                do
                {
                    string outputFileName = "audio" + i + extractor.GetCurrentAudioExtension();

                    // Save sound clip to file
                    extractor.SaveCurrentAudioToFile(outputFileName);

                    i++;
                }
                while (extractor.GetNextAudio()); // Advance sounds enumeration
            }

            // Cleanup
            extractor.Dispose();
        }
    }
}