Are you looking for audio files or simply phrases with which you can record?  You could try to use the International Affective Digitized Sounds to see if there are enough speech files to fit your needs.  http://csea.phhp.ufl.edu/media/iadsmessage.html

Thank you very much. I commented: research we intend to carry out is to detect degrees of stress in the voice of autistic patients whose warnings to their families that something is causing you inconvenience or discomfort and may even affect their quality of life or life-threatening.

Again thank you very much for those who can help me get a database, hopefully in Spanish or English to study the efficiency of algortimos, this is the first phase of the project. Later these algorithms (the most efficient) will be implemented in a speech processing system in real time.

I am not sure anything is out there like that.  You could try to contact Steven Porges who does some research on this.

You could try: http://emotion-research.net. In addition to lots of information about emotion perception it also lists lots of available emotion databases.

Hi Horderlin, there are quite a few freely available emotional speech databases. There are two main types: audio-visual (mp4, wav, or both), and audio-only (wav).

Audio Visual

Audio only

Hi. You may find our paper Conference Paper Speech Emotion Recognition Using Cross-Correlation and Acous...