Video File Have No Sound?: Difference between revisions
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#REDIRECT [[AC3]] |
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:''further information:'' [[DirectShow_Playback_Guide|'''DirectShow Playback Guide''']] |
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[[Image:Ffdshow dolby decoder.jpg|thumb|right|400px|Enabling the Dolby Decoder function of FFDSHOW.]] |
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Video files include their audio tracks as a separate "stream" contained inside the file. This audio stream can be in a wide variety of formats, but it is very commonly one of three options: uncompressed PCM (WAV audio essentially), MP3, or AC3 (Dolby Digital). In order to properly play back the audio track you will need to have a decoder that can handle the proper audio type installed and configured on your system. |
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Quite often, when the audio fails to play back it's because the audio track is in AC3 format. If you are using [[DirectShow_Playback_Guide:Alternative_Filters#FFDSHOW|FFDSHOW]] (or [[DirectShow_Playback_Guide#CCCP_-_Combined_Community_Codec_Pack|CCCP]]) to handle the decoding of your video files, [[DirectShow_Playback_Guide:Alternative_Filters#FFDSHOW|FFDSHOW]] can also handle decoding of AC3 content all on it's own, but you need to enable the option. Simply open the FFDSHOW Audio Decoder Configuration dialog (''Start --> Programs --> [[DirectShow_Playback_Guide:Alternative_Filters#FFDSHOW|FFDSHOW]] or Combined Community Codec Pack --> FFDSHOW Audio Decoder Configuration'') and choose Dolby Decoder from the tree on the left and enable it. |
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Some Video(AVI) files include audio in the Dolby AC3 format. These don't play unless you have the proper decoder. |
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Please see [[Dolby AC3]] for how to download the decoder. |
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[[Category:Frequently Asked Questions]] |
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Latest revision as of 23:53, 26 July 2014
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