墙外的文章,转载贴过来慢慢看,慢慢翻译。 I've played around further with the file transfer over sound card idea, and developed a more advanced method that uses a technique called Phase Shift Keying. Similar techniques a
墙外的文章,转载贴过来慢慢看,慢慢翻译。 I've played around further with the file transfer over sound card idea, and developed a more advanced method that uses a technique called Phase Shift Keying. Similar techniques a