Trond Bluetooth aptX Latency Test

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An unscientific aptX latency test using the Trond Bluetooth transmitter receiver connected to aptX compatible wireless headphones.
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I bought this device as a potential way of using my Sennheiser Momentum bluetooth wireless headphones to monitor audio from a camera without the need for a cable. However, the question I'm asking here is, can the Trond Bluetooth transmitter and receiver do the job? Is the latency of aptX really low enough to make it comfortable to use.
The advertised latency of aptX may be well below 40ms but in reality and when used with a low price chipset on the Trond and any extra latency that the receiver may add, what is it really?
The video goes through the following steps...
• Explanation of the potential use
• Setup to test the latency
• The test itself
• Calculating the results in Adobe Audition
Yes, this is flawed as, for all I know, the headphones might have defaulted to non-aptX mode for some reason (they DO support aptX). But this is exactly how I intend to use them so if it doesn't work, it's not really up to the job I had hoped.
Thank you for watching and please consider subscribing to the channel if you enjoyed the video.
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► GEAR USED IN THIS VIDEO:
Mic 1: Rode NTG 3
Mic 2: Sennheiser EW100 Lav Mic
Mic 3: Sennheiser MK 8
Camera: Sony FDR-AX53 --- amzn.to/2nnQ0o5
Test: Adobe Audition --- bit.ly/2lO9fGb
Editing: Adobe Premiere Pro --- bit.ly/2lO9fGb
Titles: Adobe After Effects --- bit.ly/2lO9fGb
Thumbnail: Adobe Photoshop --- bit.ly/2lO9fGb

Опубликовано:

3 окт 2024

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Комментарии : 55

@Glukcher 7 лет назад

Sennheiser Momentum headphones only support usual aptx, but not low latency aptx, and the delay on the usual aptx is actually supposed to be around 130 ms according to their website. so the trond transmitter is forced to work in older aptx version in order to be paired with headphones. in order to get 30-40 ms latency, your headphones also should support low latency aptx. again, according to aptx website, there are currently only 12 headphones models supporting LL aptx in existance :D and also various speakers. still, just having any kind of aptx is better because on most non-aptx bluetooth headphones the latency is super terrible at about half of a second :O but anyway, nice video and experiment!

@tdcattech 7 лет назад

Well that kind of explains a lot and is something I incorrectly assumed and should have checked. Interesting that the 130ms lag is pretty much perfectly in line with my results. I'll leave this video up but will pin this comment. Thanks for the detailed additional information.

@Sci-Mon1 7 лет назад

hey, so i have some advice if you want to conduct the experiment again. since the headphones you used do not have AptLL built in, you need to buy a bluetooth receiver that does support AptX Low Latency. there is one on amazon(TROND 3.5mm Bluetooth V4.2 Audio Receiver Adapter with Mic & Clip). look at the customer images. pretty self explanatory. would be cool if you tried this test again with the right stuff.

@thirstypilgrim97 6 лет назад

Get some H-600s and a BT low-latency receiver for your headphones and just pair with a low latency transmitter. Does away with built-in BT headphones all together.

@uninvestigated 6 лет назад

pretty sure the LL is transmitter dependent and not receiver dependent as long as the headphones support aptx.

@chloemcholoe3280 5 лет назад

I dislike bluetooth. It's terrible for audio. not to mention you can't use the mic without it sounding like a radio :(

@maartenschouren2327 5 лет назад

It may not be entirely scientific but it's scientific enough for me. The Audition comparion was a great method of doing a comparison. Thanks!

@tdcattech 5 лет назад

Thanks! Appreciate the feedback.

@danieldauber8335 7 лет назад

Very good video and very helpful. Great approach to test the latency! Doesn't need to be superscientific. It is straightforward, easy to understand and best of all, it's practical and close to real-life application. Thanks for that, man. Good work!

@adriangeorgianstoica Год назад

For me this test was enough. Thank you! It seems that for low latency only RF can do the job.

@EdwardGreen-Hampton 4 года назад

Thank you, mate. How about recording, say the LEFT channel directly from your Source, and the RIGHT channel through the bluetooth transmitter. There should be a visibly distinct time shift, possibly easier to measure on Adobe Audition.

@mcdo8975 5 месяцев назад

Never went further than aptx LL but I believe 2.4gh transmitters are the way to go if you want less than 10ms latency

@drewsim_ 7 лет назад

Thanks for the video. But it really should be updated to reflect that it's not an accurate aptX low latency test as Glukcher mentioned below. Would love to see an update though!

@WHMAGuy 2 года назад

You demonstrated perfectly what you intended. No more science is necessary

@uncoolcentral 6 лет назад

You should update at least the description of this video to reflect that your headphones were not compatible with the low latency codec and therefore this is not an accurate test of its latency.

@jfan4reva 4 года назад

Yep, you need LL on both the transmit and receive sides, otherwise the low latency deal is off.

@WeAreMovieMakers 29 дней назад

By default, it is probably transmitting SBC audio, not aptx.

@jfan4reva 4 года назад

I use this adapter on my tv, and it's fine with my aptx LL headphones, but has noticeable lip sync problems with my non-aptx LL earbuds. Both ends have to be aptx Low Latency for it to work.

@pf8837 3 года назад

Hi, how noticable is it? How many seconds delay when you see the tv actor talking and actually hearing the words in your headphones?

@Lawliet734 4 года назад

For aptX to work, both the transmitter (encoder) and the headphones (decoder) must support aptX; otherwise aptX is inactive. 137ms latency is too high for me. I notice latency of only 100ms.

@SagunManandhar 4 месяца назад

Have you tested avantree bluetooth transmitter/receiver ? also you need to have bluetooth headphones that support aptx-LL to work. that's what they said. I'm not sure though.

@mfazlemuniem 3 года назад

Interestingly put. Very interesting. I do have a query though - how would you test the latency on a Creative BT-W3 though? The thing sets itself up as a "speaker" and NOT a bluetooth device. Fantastic device, abosultely, but i would love to test the latency on it though.

@bryansu 5 лет назад

I bought two units of 4.2 bluetooth transmitter and receiver (AvanTree brand) recently. I use it for my surround speaker. And I can say that the result that got is the same as what I got too. I found the surround speaker sound to be a bit delay compare to the front speaker. I thinks its around 100ms. And unless you actual have it and test it side by side with the cable connected speaker, else a lot of ppl will not believe that APTX LOW LATENCY

@bernsbuenaobra473 5 лет назад

Specs and lab test of specs is the proof. In a room sound like light optics will have multiple reflections and a bounce in a surface is phase - they can interfere destructively or additive affecting the time for the sound wave to reach your eardrums and vibrate it.

@der_woe 7 лет назад

Interesting. For some weeks I'm searching for a useable way to make my BoseQC15 wireless without having some bulky bodypacks / transmitter / receiver stations. Want to play guitar wireless but currently planning what to buy. For having the guitar wireless, I might take a Line6 Relay G10 (or a larger one) But for wireless monitoring I need the lowest latency possible, tried with some regular aptx sender/receiver , that was completely rubbish. I hope Aptx Low latency could work if I do some tweaks on the input side (DAW/Asio Driver/VST Settings) to compensate. AptX Live could be more interesting, but haven't seen any device that is using aptx Live :(

@tdcattech 7 лет назад

I feel your pain. Even low latency is really not that low latency. When I use ASIO, I try to run at 10-20ms or less. 40ms of low latency probably wouldn't be good enough for you. If you operate at 44.1kHz, set your ASIO buffer to 512 samples. That would probably be the best you'll get with low latency aptx. Fine for lip sync when watching but not fine for playing.

@alejocristancho 4 года назад

i was thinking about using my Galaxy Buds+ as an In Ear Monitor for live stage Dumming using this Bluetooth transmitter, but the delay kill it.. Thank you for the info ill stick with wired shure

@maryzema7768 2 года назад

Can I use this for audio recording ? When I hit my keyboard the sound is delayed while using Bluetooth headphones.

@jb9282 5 лет назад

There is a lot Latency free ( Analog ) different technologies of Radio Wireless transmission on the markets 😉 many modulation types and more. SO THE Q IS - WHY BLUETOOTH ( digital ) ? For 5 channels ? For lower resolution ? NO - JUST FOR NEW SALES MARKET 😂🙋🏼‍♂️

@nick314 7 лет назад

You do understand that the headphone monitoring jack on the DR-100 has a big latency by itself?

@tdcattech 7 лет назад

Just double checked this. No, the DR-100 MKII is zero latency on the headphone monitoring.

@godzilla964 11 месяцев назад

I want a low latency transmitter so I can practice guitar with my ear buds.

@JESSYBROWN 6 лет назад

Hello TD ! Thank you for this tuto! I want exactlly the same setup as you want ( monitor camera wireless with bluetooth headphone ) I'm looking your 2 tuto about this product and ... after a year and half you posted on youtube ... do you have recommandation for me to what I shoud buy as a transmitor and headphone to be wireless with my camera ? thank you !!

@Mopantsu 6 лет назад

Bluetooth sucks. If you want low latency get the Steelseries Arctic wireless headphones. They come with a dongle and are super low (I can use them for DJ mixing but you are stuck with their own brand headphones which are not the best). If you want to use your own non-Bluetooth cans the king of low latency is Natus One (not available yet though) through Kickstarter.

@RingZero 3 года назад

This is the same as MPOW crap - the latency is unbearable, threw all BT transmitters away that I had, and went back to hardwired cable with my tail between my legs - Damn! - human ears are tolerable up to 30ms latency, anything above is a big no no! 137ms ?? No way.

@dsnunes 7 лет назад

A test showing 3 devices (AptX LL, AptX and old codec): ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-4_bypcPW5O4.html You surely was into "AptX" (normal) mode, which is supposed to be a little above 100ms. Kind of cool to see it's very consistent and reliable, at least.

@ЭдиАлександр 3 года назад

Record live music especially drum cover then only you can see latency

@OryxDJ 4 года назад

I was also interested in this for live music production an dj'ing but you need 10 to 15 ms max. It's frustrating that there isn't yet a good protocol for this with ultra low latency. How do artists on stage this with wireless in ears? Anyone knows?

@sanderblom 4 года назад

Those systems don't use bluetooth

@afromanga2 4 года назад

please is it possible to connect lavalier mic on the bluetooth transmitter ?

@tdcattech 4 года назад

No. It’s line level only which is much higher than a mic will supply.

@in2green78 3 года назад

How could you test latency without watching your lips move?

@amitkumar-gy5uf 5 лет назад

What is difference between aptx vs bluetooth 5.0?

@MrChanw11 5 лет назад

aptx is the lanaguage, bluetooth is the means of transportation.

@naineeowo1469 4 года назад

MrChanw 11 explained well!

@Durnyful Год назад

Slapback delay!

@philbutler6751 6 лет назад

can the trond work with the beats studio 2 wireless

@tdcattech 6 лет назад

Yep. Certainly should. Check out the Mixcder TR008 too. Similar but with TOSLink digital in too.

@ichiiliev798 6 лет назад

Test bullshit, aptX two devices( with aptX ). for example smartphone Chip Snapdragon bluetooth aptX low latency and aptXHD+ bluetooth receiver-transmitter with aptX low latency (aptXHD). Оtherwise the test is not real. I have a smartphone bluetooth 4.2 and bluetooth receiver-transmitter 4.1 aptX low latency and aptXHD I achieve a speed of 900kb (1mb/s). Play FLAC 24bit 96hz (30mb song).....