ɪt mˈeɪ biː ɪmpˈɑːsᵻbəl tə nˈoʊ ðə fˈaɪltaɪp ɛmbˈɛdᵻd wɪðˌɪn ˈeɪ .kjˌuːtˌiːsˌiːˈeɪtʃ fˈaɪl wɪðˌaʊt hˌævɪŋ ɐ sˈaɪdbaɪsˈaɪd kəmpˈæɹɪsən wɪððə sˈeɪm fˈaɪl stɹˈiːmd jˈuːzɪŋ kwˈɪk tˈaɪm plˈeɪɚ sˈɪks.ˈɛks æz əbˈʌv.
It may be impossible to know the filetype embedded within a .qtch file without having a side-by-side comparison with the same file streamed using QuickTime Player 6.x (as above).