kjˌuːtˌiːsˌiːˈeɪtʃ.kjˌuːtˌiːsˌiːˈeɪtʃ ɪz ɐ fˈaɪltaɪp jˈuːzd baɪ kwˈɪk tˈaɪm tə stˈoːɹ ˈɔːdɪˌoʊ ɔːɹ vˈɪdɪoʊ fˈaɪlz stɹˈiːmd fɹʌm ɐ sˈɜːvɚɹ ɔnðə klˈaɪənts kəmpjˈuːɾɚ hˈɑːɹd dɹˈaɪv.
QTCH (.qtch) is a filetype used by QuickTime to store audio or video files streamed from a server on the client's  computer hard drive.