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FiLMiC Pro 2 can finally record correct 48 kHz audio!

After a very long wait, FiLMIC Pro 2 for certain iOS devices can finally record correct 48 kHz audio!

By Allan Tépper | November 23, 2012


After a very long wait and multiple requests of the developer, version 1.2 of FiLMiC Pro 2 for certain iOS devices can finally record correct 48 kHz audio! For those unfamiliar, FiLMiC Pro 2 is the relatively new incarnation of the original iOS app called FiLMiC Pro, and is offered separately for US$4.99 (or a similar amount in your region). Unlike the original version, FiLMiC Pro 2 is only compatible with later iOS devices which feature a faster processor. Ahead in this article you’ll see which exact models iPads, iPhones, and iPod Touches are compatible, and some changes I’d still like made in the audio portion of the app.


Compatible iOS devices for FiLMiC Pro 2

  • iPad (3rd generation)

  • iPad Wi-Fi + 4G, iPad (4th generation)

  • iPad Wi-Fi + Cellular (4th generation)

  • iPad mini and iPad mini Wi-Fi + Cellular

  • iPhone 4s

  • iPhone 5

  • iPod touch (5th generation)


FiLMiC Pro 2 also requires iOS 6.0 or later, and the developer says that the app is optimized for iPhone 5.


Why recording original 48 kHz audio is so important for digital video

48 kHz is the established standard for audio for digital video, including both production and popular distribution formats like Blu-ray and DVD. It is also the standard for audio on HD video tape formats including DVCPRO HD, HDCAM, HDCAM-SR, and HDV. By making the original audio recording for digital video at 44.1 kHz in the camera (which was unfortunately necessary prior to this update), one is forced to resample the audio later, which is a waste of time, processing power, and can degrade the audio quality. Also, with some software video editing apps, if one imports video with 44.1 kHz audio with a 48 kHz project/sequence/timeline, the video editing app has to “run with weights on” by resampling the audio on the fly, and can therefore suffer from dropped frames or be unable to play as many layers in real time as it could otherwise. The best practice is to make all original audio for digital video recordings at 48 kHz, and now that’s finally possible with FiLMiC Pro 2!


The app now offers either AAC (compressed) or uncompressed (Linear PCM).

What I’d like changed with FiLMiC Pro’s audio settings

I am very grateful that Cinegenix, LLC has finally added 48 kHz support. In previous articles and comments on their Facebook page, I suggested that 48 kHz be the only option (since it is the standard, as stated in the previous section). However, so far, Cinegenix, LLC has chosen to offer both 44.1 and 48 kHz, and 44.1 is unfortunately still the default. I can’t think of any good reason to include the 44.1 kHz option at all, but if Cinegenix, LLC insists on offering it, 48 kHz should absolutely be the default, and it should state (space permitting) something like “Standard for Blu-ray and DVD”, and the 44.1 kHz should state “Non-standard–Use only if you have a reason to do so.”


Upcoming articles about FiLMiC Pro 2

Upcoming articles will cover FiLMIC Pro 2’s framerates, slow motion capabilities, and sharing capabilities. To make sure you continue to see my upcoming articles, sign up to my mailing list here.


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In English:
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En castellano:
En castellano, está disponible actualmente en las siguientes tiendas Amazon, según tu región:


Si vas a comprar un libro Kindle como regalo, debes hacerlo vía la tienda panamericana de Amazon (la primera de la lista) sin importar donde vivas tú o donde viva la persona que recibirá el regalo.


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IEBA: | November, 23, 2012

I love Filmic. I wish there was more information about version 1 on their web site because there are millions of iPhone 4 owners which can still make excellent use of that hardware with Filmic Pro 1.

I recently did a review pairing Filmic Pro with the Fostex external audio interface. I’d be interested in your thoughts on the Fostex as well as the two together really make the iPhone 4/4s into a “smart camcorder”

Upgrading iPhone Video and Audio with Filmic Pro and the Fostex AR-4i - Streaming Media Producer

Allan T: | November, 24, 2012


Thanks for reading and commenting!

I first became aware of the Fostex AR–4i on August 2011 from Alex Lindsay on MacBreak Weekly on the TWiT network. Since I knew that the AR–41 contained its own A>D (analog-to-digital) converter, I immediately wrote to Alex to ask whether the Fostex AR–4i does its sampling at 48 kHz, 44.1 kHz, or whether it was selectable either via a DIP switch or by controlling it via software. However, Alex was unable to confirm one way or another. Can you confirm?

Allan T

IEBA: | November, 25, 2012

I was under the understanding that the AR4i provided analogue audio to the iPhone. I can control bass roll off, limiter, etc, but there’s no A>D settings in the AR4i companion app.

I guess it’s in how you interpret Fostex’ line:  “Exceptional audio quality - record/playback via Dock connector with built-in AD/DA converter”

I take it to mean.. “with the phone’s built-in A>D converter”

My clips say 44.1 because that’s what I set Filmic 1 to record to.

Honestly, the amount of processing power required to convert 44.1 to 48k on the fly is minimal compared to what we’re asking today’s computers to do with video. Yes, it may demand resources, but IMHO not more than 5% of the total, and if you’re leveraging a GPU card for the video, then I think the 48k/44.1k distinction is moot.

My music CD’s are 44.1 and I’ve never decried any symphony recording because of the limited 44.1 sample rate. So I certainly won’t be able to hear any compromise in the audio with a talking head recorded at 44.1 kHz.

Now, if it was a feature film and I knew heavy audio processing was going to be needed, I’d hire an audio engineer to record it using a dedicated audio recorder at an even higher rate. Or we could just do ADR.

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