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Author Topic: Tentacle Track E - 1CH of 32 bit FP recording  (Read 3197 times)

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Offline justme

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Tentacle Track E - 1CH of 32 bit FP recording
« on: September 13, 2019, 12:07:29 PM »
The Tentacle Track E

The audio recorder is nearly as small as the Timecode Sync Generator Sync E
Does not need a Sync E device to operate – can easily function as a stand-alone device
Uses 32 bit floating technology for a significantly enhanced dynamic range
An input limiter and a high-pass filter guarantee for pristine recording quality

Tentacle Sync Track E Pocket Sized Audio Recorder

The Track E is the newest addition the Tentacle Sync family. The audio recorder is nearly as small as the Timecode Sync Generator Sync E, so it can easily fit in your pocket for recording on the go. This allows mobile operation for example as a recorder for a clip-on microphone eliminating the need for a radio-link. It offers timecode synchronization over bluetooth based on the well established Tentacle Sync technology. This means that the Track E will work in environments where regular wireless transmitter fail. Controllable through an app for iOS or Android, it seamless integrates into the Sync E synchronization network by the push of a button via bluetooth. But the Track E does not necessarily need a Sync E device to operate – it can easily function as a stand-alone device. As soon as the device is turned on, it will be recognized by the Tentacle Sync app and can be configured wirelessly.

The Track E uses 32 bit floating point technology for recording the audio for a significantly enhanced dynamic range. This means that the volume of the recorded audio doesn’t matter. Audio that was recorded too quiet, can be raised in volume to the desired volume without raising the noise floor. 32 bit floating point also means that no digital clipping will occur, making the Track E a versatile set-&-forget-device that will always deliver high quality audio.

"With the Track E users can treat audio in a similar way as photographers use the RAW camera photo format – all details can be adjusted in post production, significantly reducing the preparation time before you start shooting. We designed the device specifically with YouTubers, documentary or wedding filmers in mind, who don‘t want to miss the perfect timing for a shot, just because they need to adjust something on their recorder. But even large-scale production can benefit from the Track E as a no-frills backup device,“ says Ulrich Esser Co-CEO of Tentacle Sync and developer behind the Track E.

The Track E uses a changeable SD card for recording the audio. An input limiter and a high-pass filter guarantee for pristine recording quality. A screwable mini jack connector offers maximum security for connecting microphones. The Track E features adjustable plugin power for supporting a wide range of microphones. A free license of Tentacle Sync Studio is included with every Track E purchase.






Two in sync and you have a sweet setup.
Let’s hope there will be a 2 channel to follow.

Release early next year they say.

https://www.pinknoise-systems.co.uk/tentacle-sync-track-e-pocket-sized-audio-recorder.html

Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #1 on: September 13, 2019, 04:01:50 PM »
again they are a bit too generous with the marketing on this

The Track E uses 32 bit floating point technology for recording the audio for a significantly enhanced dynamic range. This means that the volume of the recorded audio doesn’t matter.
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Offline justme

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #2 on: September 13, 2019, 04:15:31 PM »
Yes indeed.
32-bit float are some very holy bits for the moment :)

Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #3 on: September 13, 2019, 04:47:01 PM »
esp with handheld gear like this that likely doesnt have a super low noise floor on the input
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Offline udovdh

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #4 on: September 17, 2019, 02:29:55 AM »
Another device with that 32-bit Zoom technology.
Also two ADCs?
What would I need o do stereo?
Cable? This timesync stuff?

If I need an 'app' to use these I am out.

Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #5 on: September 17, 2019, 02:53:40 AM »
as a "bodypack recorder" this will almost certainly not be available in the US due to patent issues
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Offline edda64

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #6 on: September 17, 2019, 11:45:13 AM »

Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #7 on: September 17, 2019, 05:57:56 PM »
The price is right at ~250. It seems to kick the shit out of the Lectrosonics PDR in every area including the ability to run DPAs at full power. (if it powers 406x  correctly it should also be able to run full caps with the MMP-G).

I don’t think the sync-E would really be necessary for our purposes because it doesn’t really lock the clocks it just ‘timecode jams’ (kinda syncs the start of them and then they’re on their own clocks). He was boasting about how good the clocks are so perhaps just two units by themselves would clock close enough for the usual hour or two we need.

They are a small kickstarter company. I think we should all write them and tell them how we would all gladly buy a two channel unit. Glad that B&H has this listed on their site it suggests zaxcom wont be able to squash em

theres some good discussion at jwsound, including the niche for a 2-channel device. lets write em!

https://jwsoundgroup.net/index.php?/topic/34301-tentacle-sync-track-e-new-minirecorders-with-timecode/
« Last Edit: September 17, 2019, 06:57:44 PM by jerryfreak »
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Offline udovdh

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #8 on: September 21, 2019, 09:10:33 AM »
Two channels.
Start/stop button.
(are level controls even needed?)

Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #9 on: September 21, 2019, 10:13:09 AM »
 hard to say that as some have mentioned everybody has their own implementation of how to address the 32 bits dynamic range in terms of multiple processors in parallel etc. It would be fairly easy to gear it towards your typical Mic sensitivities and cover the whole range up to max SPL but if you were putting anything with a line signal in I would expect to pad it to mic level or consumer unbalanced line level

again it’s a black box at this point hard to say
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Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #10 on: September 21, 2019, 10:14:12 AM »
(dupe please delete)
« Last Edit: September 23, 2019, 03:21:19 AM by jerryfreak »
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Offline IronFilm

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #11 on: September 22, 2019, 04:21:43 AM »
Someone spied "#stereo" on their promotional material, so maybe it is not a mono recorder??

None the less, I'm quite excited by this!

https://www.youtube.com/watch?v=sBW5MBbi-uc

Offline Niels

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #12 on: September 22, 2019, 11:15:18 AM »
Someone spied "#stereo" on their promotional material, so maybe it is not a mono recorder??

I asked on their Instagram feed, and they said mono, unfortunately.
Throw a request for stereo their way if you would buy a 2 channel unit - I did. Perhaps they didn’t realize there’s a demand.
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Offline dactylus

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #13 on: September 22, 2019, 11:19:13 AM »
Someone spied "#stereo" on their promotional material, so maybe it is not a mono recorder??

I asked on their Instagram feed, and they said mono, unfortunately.
Throw a request for stereo their way if you would buy a 2 channel unit - I did. Perhaps they didn’t realize there’s a demand.

^
I also asked them for a 2 channel unit...  We'll see.
« Last Edit: September 23, 2019, 09:27:38 AM by dactylus »
hot licks > microphones > recorder



...ball of confusion, that's what the world is today, hey hey...

Offline IronFilm

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #14 on: September 23, 2019, 12:16:37 AM »
Even just having stereo recording like the Tasam DR10L does (with a 2nd channel at a lower gain) would be fantastic for those who want to stick with a 24bit workflow instead of leaping over to 32bits

Online aaronji

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #15 on: September 23, 2019, 02:53:25 PM »
Even just having stereo recording like the Tasam DR10L does (with a 2nd channel at a lower gain) would be fantastic for those who want to stick with a 24bit workflow instead of leaping over to 32bits

Not for most tapers who record live music and want actual stereo...

Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #16 on: September 29, 2019, 10:20:12 PM »
another youtube vid that seems to imply they have their own timecode generator in each one, so youd only need the phone app, not a separate sync-E to sync multiple units

https://www.youtube.com/watch?v=azAwB4CTTYE 
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Offline adrianb

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #17 on: September 30, 2019, 03:43:25 AM »
Even just having stereo recording like the Tasam DR10L does (with a 2nd channel at a lower gain) would be fantastic for those who want to stick with a 24bit workflow instead of leaping over to 32bits

Not for most tapers who record live music and want actual stereo...

For that I'm inclined to think that the Roland R-07 with the safety track is the best "set it and forget it" unit for stealth.

If Tentacle (or anybody) brings out a small two channel 32-bit float recorder I'm buying it.
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Online aaronji

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #18 on: September 30, 2019, 04:57:57 PM »
^ Personally, I don't really need a safety track. I am a pretty good judge of where to set my levels and 24-bit allows you to be pretty conservative. I would love a stereo version of this recorder, though, with its variable plug-in power. An 1/8" locking male to two microdot female Y-cable and a pair of 4060s with that would be awesome...

Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #19 on: March 02, 2020, 08:20:02 AM »
latest response to my query:

thanks for your interest our upcoming audio recorder: Track E. We are still refining the recorder and working hard to get it ready as soon as possible. We hope to release the final version of it at NAB this spring and start selling it shortly after NAB. We will let our customers know about any updates and news via Instagram, Facebook and our newsletter. So please stay tuned.

i told them to make a 2-channel 32-bit float recorder and they would sell a lot of them!
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Offline voltronic

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #20 on: March 22, 2020, 08:26:24 AM »
^ Personally, I don't really need a safety track. I am a pretty good judge of where to set my levels and 24-bit allows you to be pretty conservative. I would love a stereo version of this recorder, though, with its variable plug-in power. An 1/8" locking male to two microdot female Y-cable and a pair of 4060s with that would be awesome...

If that 1/8" stereo input could handle line level so you could use an external preamp or phantom box for full-size mics, it really would be a Lectro SPDR killer, as someone else mentioned.


Regarding safety tracks:

Aaronj, I don't recall if you own one of the new recorders that do 32-bit float or not, but I can tell you that since I have owned my Zoom F6, I am now firmly in the 32-bit float camp. 

It isn't always easy to set conservative levels.  I often record record wide / unpredictable dynamic range music, and I am often performing and cannot monitor levels.  I often had safety tracks save my bacon on 24-bit recordings.  Not any more.  32-bit float truly does mean the set level "doesn't matter" as the input level is fixed (at least on the F6) and you are only adjusting post-ADC.  Some of my recordings have levels way above 0 dBFS, but I just bring it down in post with no loss.  There was much hemming and hawing over how this would work in practice (with some very relevant concerns raised), but for me the jury is out.  I'm never going back.  The only thing you need to be concerned with at all is if the input stage can handle the hottest signal your most sensitive mics are cranking out.

In other words, there is zero reason I can see to have something like the Track E record in anything but 32-bit FP.
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Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #21 on: March 22, 2020, 12:30:51 PM »
im sold on 32-bit as well, but more as a feature and not a game changer

theres no guarantee that the tentacle performs as admirably as the zoom or SD units

input noise and max input level is still a thing and sources need to be somewhat matched to the input
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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #22 on: March 22, 2020, 05:15:46 PM »
^^ For loud shows, I just set the gain on the recorder so that the output of the mics at max SPL (the 1% THD point, actually) will be just below the recorder's overload point. Then I put the limiter on for a little added safety. I have recorded disturbingly loud shows that way with no issue. For quieter shows, I up the gain but try to err on the conservative side. Frankly, I am pretty happy with my recorder and really don't see the need to change for the sake of 32-bit, even with SD's patented (and pretty clever, if I read the application correctly) method. By the time I feel the need to upgrade, they will probably all have this feature...

Offline voltronic

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #23 on: March 22, 2020, 09:28:13 PM »
^^ For loud shows, I just set the gain on the recorder so that the output of the mics at max SPL (the 1% THD point, actually) will be just below the recorder's overload point. Then I put the limiter on for a little added safety. I have recorded disturbingly loud shows that way with no issue. For quieter shows, I up the gain but try to err on the conservative side. Frankly, I am pretty happy with my recorder and really don't see the need to change for the sake of 32-bit, even with SD's patented (and pretty clever, if I read the application correctly) method. By the time I feel the need to upgrade, they will probably all have this feature...

I probably wouldn't have changed anything if I was in your situation either.  I was not saying you should make a switch; just how this new setup has made life much easier for me due to the nature of my recordings.  We all do what works best for us, right?
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Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #24 on: March 22, 2020, 09:38:58 PM »
BTW NAB is cancelled i wonder if they will still launch in April?
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Offline tim in jersey

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #25 on: March 23, 2020, 04:39:56 AM »
Two channels.
Start/stop button.
(are level controls even needed?)

Third buttom. HOLD. So it jusn't get knocked off...


Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #26 on: March 23, 2020, 05:18:51 AM »
this site listing 3/31 release date, prob a pre-order as B&H has 'early june' listed for availability. Gotham says 'end of may'

https://www.pinknoise-systems.co.uk/tentacle-sync-track-e-pocket-sized-audio-recorder.html
« Last Edit: March 23, 2020, 05:44:18 AM by jerryfreak »
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Offline voltronic

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #27 on: March 23, 2020, 12:21:26 PM »
this site listing 3/31 release date, prob a pre-order as B&H has 'early june' listed for availability. Gotham says 'end of may'

https://www.pinknoise-systems.co.uk/tentacle-sync-track-e-pocket-sized-audio-recorder.html

I think the only real answer is: Whenever worldwide manufacturing and transportation is back to running at close to normal so we can source the parts we need to build things.
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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #28 on: March 23, 2020, 07:37:49 PM »
We all do what works best for us, right?

That's the way I look at it!

In general, given the wide dynamic range of some modern recorders, like the first generation MixPres or the F8, it is pretty easy to record the full scope of pretty much any live music event (even a highly dynamic symphony played by a full orchestra in a live setting is usually quoted as around 70 - 80 dB, call it 90 if you assume a preternaturally quiet audience and a super loud performance) with 20 or 30 dB of headroom available in 24-bit. So it comes down to what you are comfortable with. Personally, I view at is being kind of like an automatic versus a standard transmission. The automatic is easier and you don't ever have to worry about grinding gears or stalling, but it is not as much fun as driving a standard and (perhaps) you might be able to get a little bit better performance from the standard if you do it right...

Offline jerryfreak

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Re: Tentacle Track E - 1CH of 32 bit FP recording
« Reply #29 on: March 23, 2020, 08:21:39 PM »
yeah, for our purposes, literally any modern converter from this century with over 110 dB dynamic range is more than adequate with a little forethought. its more about understanding your gear (mic sensitivity, preamp output levels, etc) and matching it at least a little bit

32bit is a good feature but not really a panacea. may save the odd take for someone who seriously messes up, but our understanding and control of out inputs is generally within a certain range

auto vs manual tranny is a great analogy!




We all do what works best for us, right?

That's the way I look at it!

In general, given the wide dynamic range of some modern recorders, like the first generation MixPres or the F8, it is pretty easy to record the full scope of pretty much any live music event (even a highly dynamic symphony played by a full orchestra in a live setting is usually quoted as around 70 - 80 dB, call it 90 if you assume a preternaturally quiet audience and a super loud performance) with 20 or 30 dB of headroom available in 24-bit. So it comes down to what you are comfortable with. Personally, I view at is being kind of like an automatic versus a standard transmission. The automatic is easier and you don't ever have to worry about grinding gears or stalling, but it is not as much fun as driving a standard and (perhaps) you might be able to get a little bit better performance from the standard if you do it right...
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