tə pɹˈuːv ðætðɪ ɐ slˈæʃ vˈiː ˌɪnfɚmˈeɪʃən ɪz ɪntˈækt wɪðˈɪn ðə .kjˌuːtˌiːsˌiːˈeɪtʃ fˈaɪl juː kæn ɹᵻplˈeɪs ðə .kjˌuːtˌiːsˌiːˈeɪtʃ fˈaɪl kˈɑːntɛnts əbˌʌv ðɪs stˈɑːɹt ɐ slˈæʃ vˈiː hˈɛks vˈæljuː wɪð ðæt fɹʌmðə kwˈɪk tˈaɪm plˈeɪɚ sˈɪks.ˈɛks fˈaɪl ænd ɪt wɪl plˈeɪ nˈoːɹməli.
To prove that the a/v information is intact within the .qtch file you can replace the .qtch file contents above this start a/v hex value with that from the QuickTime Player 6.x file and it will play normally.