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Shrikant Bhagwat

Unable To Get Sound From Mov Files From Apple

Question

I have mov video files from Apple. I have installed Quicktime 7.7.9 on computer & I have Roxio Creator 2012 Pro. Imported mov file from Apple. Video Got Imported I can see action. But no sound.

Please assist.

 

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4 answers to this question

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Not all MOV files come from Apple devices, but it is certainly likely. E.g. Canon, Nikon and several others also have cameras that produce MOV files.

What device (e.g. iPhone/iPad/Mac) recorded this? What model (recording specification differs between models)?

Can you hear audio on playback before importing?

Note than Apple no longer supports QuickTime on Windows, as Windows itself and browsers now natively support all (or most of) the functionality that was added. Are you running Vista?

Usually, today’s Apple MOV files have H.264/AVC video and AAC/LC audio, and I believe Creator 2012 should support all that: MOV, MP4, H.264 and AAC.

Use a tool like MediaInfo to verify which codecs are used in this MOV file, and report that back. The MediaInfo report should say if there's anything special about your file.

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General
Complete name : D:\Sun Last.mov
Format : QuickTime
Format/Info : Original Apple specifications
File size : 12.3 GiB
Duration : 14 min 33 s
Overall bit rate mode : Variable
Overall bit rate : 121 Mb/s
Encoded date : UTC 2017-06-11 08:29:10
Tagged date : UTC 2017-06-11 08:29:10
Writing library : Apple QuickTime

Video
ID : 1
Format : ProRes
Format version : Version 0
Format profile : 422 LT
Codec ID : apcs
Duration : 14 min 32 s
Bit rate mode : Variable
Bit rate : 102 Mb/s
Width : 1 920 pixels
Clean aperture width : 1 888 pixels
Height : 1 080 pixels
Clean aperture height : 1 062 pixels
Display aspect ratio : 16:9
Clean aperture display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 29.970 (30000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:2
Scan type : Interlaced
Scan type, store method : Interleaved fields
Scan order : Top Field First
Bits/(Pixel*Frame) : 1.646
Stream size : 10.4 GiB (85%)
Writing library : bmd0
Language : English
Encoded date : UTC 2017-06-11 08:29:10
Tagged date : UTC 2017-06-11 08:29:10
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
matrix_coefficients_Original : BT.709

Audio
ID : 2
Format : PCM
Format settings, Endianness : Little
Format settings, Sign : Signed
Codec ID : lpcm
Duration : 14 min 33 s
Bit rate mode : Constant
Bit rate : 18.4 Mb/s
Channel(s) : 16 channels
Sampling rate : 48.0 kHz
Bit depth : 24 bits
Stream size : 1.87 GiB (15%)
Language : English
Encoded date : UTC 2017-06-11 08:29:10
Tagged date : UTC 2017-06-11 08:29:10

Other
ID : 3
Type : Time code
Format : QuickTime TC
Duration : 14 min 32 s
Time code of first frame : 12:54:09;21
Time code, striped : Yes
Language : English
Encoded date : UTC 2017-06-11 08:29:10
Tagged date : UTC 2017-06-11 08:29:10

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Audio

Channel(s): 16 channels

Bit depth: 24 bits

 

Thank you, that was very useful information. Different from what I expected. It could be a Final Cut Pro project, because of ProRes 422 (LT), but there are other editors possible as well.

ProRes is a line of intermediate codecs, which means they are intended for use during video editing, and not for practical end-user viewing.

Perhaps you are getting no sound because the audio is 16 channels and/or 24 bit.

Linear PCM, signed, little endian, 48.0 kHz should be acceptable, with fewer channels (2) and less bits per sample (16).

I am not familiar with video editing apps that allow for 16 channels. I have no idea if there is a default way to downmix that to stereo.

Ideally the movie should be exported to an end-use format from the editing workstation, but possibly that is not an option here.

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