Re: [Sursound] Steinberg and Multichannel files

[Yvan Grabit]

Hi

sorry for the late answer, 
Wavelab, Cubase, Nuendo supports RF64 format (Broadcast Wave) allowing to 
handle big file (more than 2Gb).
It is done automatically when you record in Wave format, as soon as the size of 
the file is bigger than 2Gb it will change to a RF64 file.


Cheers

Yvan

Yvan Grabit  mailto:y.gra...@steinberg.de
Technical Manager - Technology Group Phone: +49-40-21035125
Steinberg Media Technologies GmbHFax  : +49-40-21035300
Beim Strohhause 31  D-20097 Hamburg/Germany
 http://www.steinberg.net


-"Sursound"  wrote: -To: Surround Sound 
discussion group 
From: Jon Honeyball 
Sent by: "Sursound" 
Date: 04/16/2018 10:19AM
Subject: Re: [Sursound] Steinberg and Multichannel files


On 14 Apr 2018, at 16:42, David Pickett 
mailto:d...@fugato.com>> wrote:

Incidentally, one of the drawbacks of multichannel wavfiles for HOA is their 
large size for any reasonable length of musical composition. At 48kHz, a 
9-channel 2nd order file takes c. 74MB for 1 minute of music. Alternatively, 
1GB lasts about 13.5 minutes in 2nd order or about 30.4 mins in 1st order

It doesn’t help when some equipment fails to play back more than one file in 
sequence. The latest deeply cute Sound Devices will only play one file, and not 
continue on to the  next one. So your playback time is limited to some 15 
minutes (at best resolution) and it only records polywav.

Talk about gun/foot/shoot…

(confirmed with SD tech support staff at NAB last week in vegas)

Jon
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Re: [Sursound] Steinberg and Multichannel files

[David Pickett]

At 10:18 16-04-18, Jon Honeyball wrote:
>
>On 14 Apr 2018, at 16:42, David Pickett
>mailto:d...@fugato.com>> wrote:
>
>Incidentally, one of the drawbacks of multichannel wavfiles for HOA is
>their large size for any reasonable length of musical composition. At
>48kHz, a 9-channel 2nd order file takes c. 74MB for 1 minute of music.
>Alternatively, 1GB lasts about 13.5 minutes in 2nd order or about 30.4
>mins in 1st order
>
>It doesn’t help when some equipment fails to play back more than one
>file in sequence. The latest deeply cute Sound Devices will only play
>one file, and not continue on to the  next one. So your playback time
>is limited to some 15 minutes (at best 
resolution) and it only records polywav.

>
>Talk about gun/foot/shoot…
>
>(confirmed with SSD tech support staff at NAB last week in vegas)
>

Indeed. The latest Oppo box has the same problem. 
But perhaps people only listen to 4 minute singles these days.


I quite understand that the demands made by one 
file per track recordings on writing to storage 
in real time are currently too great to handle, 
whereas boxes like the Alesis HD24 and RME UFX 
will store between 24 and 60 hi res tracks using 
multitrack files and proprietary storage formats; 
but on the other hand, why not either write 
soft/firm-ware that will link these together, or 
separate them into single files, for playback?


David

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Re: [Sursound] Steinberg and Multichannel files

[Jon Honeyball]

On 14 Apr 2018, at 16:42, David Pickett 
mailto:d...@fugato.com>> wrote:

Incidentally, one of the drawbacks of multichannel wavfiles for HOA is their 
large size for any reasonable length of musical composition. At 48kHz, a 
9-channel 2nd order file takes c. 74MB for 1 minute of music. Alternatively, 
1GB lasts about 13.5 minutes in 2nd order or about 30.4 mins in 1st order

It doesn’t help when some equipment fails to play back more than one file in 
sequence. The latest deeply cute Sound Devices will only play one file, and not 
continue on to the  next one. So your playback time is limited to some 15 
minutes (at best resolution) and it only records polywav.

Talk about gun/foot/shoot…

(confirmed with SD tech support staff at NAB last week in vegas)

Jon
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Re: [Sursound] Steinberg and Multichannel files

[David Pickett]

I can handle those. :)

At 20:08 14-04-18, Jack Reynolds wrote:
>
>RF64 is also an option for 64bit WAV files via libsndfile.
>I am attempting to add BW64 to the library for ADM purposes, but
>it’s taking a while.
>
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Re: [Sursound] Steinberg and Multichannel files

[Jack Reynolds]

RF64 is also an option for 64bit WAV files via libsndfile. 
I am attempting to add BW64 to the library for ADM purposes, but it’s taking a 
while. 
J
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Re: [Sursound] Steinberg and Multichannel files

[Marc Lavallée]

Le 2018-04-14 à 01:22 PM, David Pickett a écrit :



At 17:51 14-04-18, Fons Adriaensen wrote:
>On Sat, Apr 14, 2018 at 05:42:11PM +0200, David Pickett wrote:
>
>> Incidentally, one of the drawbacks of multichannel wavfiles for HOA 
is their
>> large size for any reasonable length of musical composition. At 
48kHz, a
>> 9-channel 2nd order file takes c. 74MB for 1 minute of music. 
Alternatively,
>> 1GB lasts about 13.5 minutes in 2nd order or about 30.4 mins in 1st 
order.

>
>This is one of the reasons why the CAF file format was chosen for Ambix.
>It doesn't have the 32-bit file size limit of most other formats (all
>size fields are 64-bit).

Doesnt this limit one to the Apple environment?

David


Hi David.

Short answer: no.

More info (and a sample file) here:
http://samplephotovideo.com/2015/12/download-caf-apple-core-audio-format-caf/

Any software using libsndfile (ex: sox, ffmpeg) can read (and possibly 
write) CAF files:

http://www.mega-nerd.com/libsndfile/

--
Marc
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Re: [Sursound] Steinberg and Multichannel files

[David Pickett]

At 17:51 14-04-18, Fons Adriaensen wrote:
>On Sat, Apr 14, 2018 at 05:42:11PM +0200, David Pickett wrote:
>
>> Incidentally, one of the drawbacks of multichannel wavfiles for 
HOA is their

>> large size for any reasonable length of musical composition. At 48kHz, a
>> 9-channel 2nd order file takes c. 74MB for 1 minute of music. 
Alternatively,

>> 1GB lasts about 13.5 minutes in 2nd order or about 30.4 mins in 1st order.
>
>This is one of the reasons why the CAF file format was chosen for Ambix.
>It doesn't have the 32-bit file size limit of most other formats (all
>size fields are 64-bit).

Doesnt this limit one to the Apple environment?

David  


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Re: [Sursound] Steinberg and Multichannel files

[Fons Adriaensen]

On Sat, Apr 14, 2018 at 05:42:11PM +0200, David Pickett wrote:

> Incidentally, one of the drawbacks of multichannel wavfiles for HOA is their
> large size for any reasonable length of musical composition. At 48kHz, a
> 9-channel 2nd order file takes c. 74MB for 1 minute of music. Alternatively,
> 1GB lasts about 13.5 minutes in 2nd order or about 30.4 mins in 1st order.

This is one of the reasons why the CAF file format was chosen for Ambix. 
It doesn't have the 32-bit file size limit of most other formats (all
size fields are 64-bit).

Ciao,

-- 
FA

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