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Author Topic: Audacity (bitrate)  (Read 1120 times)

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Offline harmon712

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Audacity (bitrate)
« on: November 25, 2014, 01:03:21 PM »
I tracked four 24bit shows with Audacity and checked it with MediaInfo (https://mediaarea.net/en/MediaInfo) now and it seems to be 16bit.  What did I do wrong in Audacity?

Here are archive links to the recordings...

2014-11-12 Bluegrass Ball (St. Louis) http://taperssection.com/index.php?topic=170628.msg2116400#msg2116400
2014-11-13 Bluegrass Ball (Bloomington) http://taperssection.com/index.php?topic=170716.msg2117122#msg2117122



« Last Edit: November 28, 2014, 02:09:53 AM by harmon712 »
Mics: Neumann KM184 & Busman BSC1
Recorders: Sound Devices MixPre-3 & MixPre-6
Stand: Triad-Orbit T3 w/ T-ES Elevator Shaft
Video: Canon VIXIA HF R500
Photo: Canon T3i w/ Sigma 18-50mm & 50-150 f/2.8 lenses
Bag: Gruv Gear Club Bag, AmazonBasics Large DSLR Gadget Bag & Sound Devices CS-3

Offline Ultfris101

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Re: Audacity (bitrate)
« Reply #1 on: November 26, 2014, 10:29:19 AM »
One thing that gets me is forgetting to switch back to 24 bit as I'm exporting. It remembers the last choice you made. Maybe that's it?
Mics: Schoeps MK5,MK41 CMC6,KCY,KC5 | AKG ck63,ck1 C460B,C480B | DPA 4061 | Naiant X-R card,hyper | CA-14o,c
Pres: Sound Devices USBPre2 | Naiant Tinybox | Church Audio 9200, UBB
Recs: Zoom F8 | Edirol R-44 | Sony PCM-M10 | Tascam DR-2d
Video: Sony CX550(2), CX580, HX9

LMA: http://archive.org/bookmarks/ultfris101

Offline harmon712

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Re: Audacity (bitrate)
« Reply #2 on: November 27, 2014, 01:21:49 AM »
I've never changed it and don't know how to.
« Last Edit: November 27, 2014, 04:27:02 PM by harmon712 »
Mics: Neumann KM184 & Busman BSC1
Recorders: Sound Devices MixPre-3 & MixPre-6
Stand: Triad-Orbit T3 w/ T-ES Elevator Shaft
Video: Canon VIXIA HF R500
Photo: Canon T3i w/ Sigma 18-50mm & 50-150 f/2.8 lenses
Bag: Gruv Gear Club Bag, AmazonBasics Large DSLR Gadget Bag & Sound Devices CS-3

Offline harmon712

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Re: Audacity (bitrate)
« Reply #3 on: November 27, 2014, 06:28:16 PM »
I was going to be starting a thread about how to dither with Audacity but I guess it did that on its own when I thought I uploaded the 24 bit recordings.
Mics: Neumann KM184 & Busman BSC1
Recorders: Sound Devices MixPre-3 & MixPre-6
Stand: Triad-Orbit T3 w/ T-ES Elevator Shaft
Video: Canon VIXIA HF R500
Photo: Canon T3i w/ Sigma 18-50mm & 50-150 f/2.8 lenses
Bag: Gruv Gear Club Bag, AmazonBasics Large DSLR Gadget Bag & Sound Devices CS-3

Offline achalsey

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Re: Audacity (bitrate)
« Reply #4 on: November 27, 2014, 10:18:09 PM »
Audacity should automatically recognize the bitrate.  I've never had a 24 bit recording automatically dithered down to 16 bit without rendering it that way.

When you export the file double check what the settings are.  Or could you have possibly recorded in 16 bit by mistake?

Marshall7

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Re: Audacity (bitrate)
« Reply #5 on: November 28, 2014, 12:42:10 AM »
Audacity recognizes the project rate, but unless you set Edit > Preferences > Quality to "Dither - None" it's going to automatically dither when you export.
 

Offline harmon712

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Re: Audacity (bitrate)
« Reply #6 on: November 28, 2014, 01:49:37 AM »
Or could you have possibly recorded in 16 bit by mistake?
I know for sure it was 24bit
Mics: Neumann KM184 & Busman BSC1
Recorders: Sound Devices MixPre-3 & MixPre-6
Stand: Triad-Orbit T3 w/ T-ES Elevator Shaft
Video: Canon VIXIA HF R500
Photo: Canon T3i w/ Sigma 18-50mm & 50-150 f/2.8 lenses
Bag: Gruv Gear Club Bag, AmazonBasics Large DSLR Gadget Bag & Sound Devices CS-3

Offline Ultfris101

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Re: Audacity (bitrate)
« Reply #7 on: November 28, 2014, 10:59:59 AM »
I load 24 bit / 48kHz files into audacity, work on them, and then to export the updates I leave the sample rate at 48kHz and then choose File > Export with "other uncompressed" as the format. To go to 16 bit at that point (or switch back to 24) I choose "Options" and "16 bit unsigned".

Mics: Schoeps MK5,MK41 CMC6,KCY,KC5 | AKG ck63,ck1 C460B,C480B | DPA 4061 | Naiant X-R card,hyper | CA-14o,c
Pres: Sound Devices USBPre2 | Naiant Tinybox | Church Audio 9200, UBB
Recs: Zoom F8 | Edirol R-44 | Sony PCM-M10 | Tascam DR-2d
Video: Sony CX550(2), CX580, HX9

LMA: http://archive.org/bookmarks/ultfris101

 

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