Twitter Audio is one such free application which lets you tweet your recorded voice with text on twitter. In order to tweet your voice you just need to record audio from your microphone and then you can append the text upto 110 characters.
It is very simple to use, record your message, type in your message of 110 characters and press the Tweet! button shown in the image above.
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Shouttr comes under such those innovative twitter clients which offers some different and innovative features which you may have not thought of.
Shouttr allows you to listen to the tweets you receive on your public timeline rather than reading them, it sits in your system tray in windows and shouts the tweets received. You can also repeat tweets to listen them again in case you haven’t listened them properly before.
Shouttr is currently in alpha stage and it allows you to read and post tweets, more over you can configure the voices which you want to hear including the voices accent like male, female, sexy and so on.