Forum Topic: http://www.eevblog.com/forum/blog-specific/eevblog-325-rigol-dg4162-voice/'>http://www.eevblog.com/forum/blog-specific/eevblog-325-rigol-dg4162-voice/
An update on the voice waveform in the Rigol DG4162 ARB Generator.
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An update on the voice waveform in the Rigol DG4162 ARB Generator.
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Hi. All right I've had so many damn complaints about that. I didn't uh, test the voice arbitary capability of this Riyal DG 4162 Fine, here it is. I'll do a quick video.
Jeez. Hope it keeps everyone happy. All right if you didn't know in the AR capability here. If you go into AR and then you go into select waveform, it's one of the built-in waveforms, so built-in there's a whole bunch of them, but it's in the engine one.
go figure. It's one of these ones over here and you can see the little dot it's in there with, you know, Butterworth and uh, Chubby Chev and all that sort of stuff. So let's go into Voice and you've got to, um, look, check this out, right? There's a select thing here on the second menu, but it's not on all the men. it's not on that menu so like it's just, it's stupid really.
So you've got to like, um, you know, press enter over here to select it, which is part of this menu. Uh, which is part of this numeric keypad here? It's just. it's just stupid I Don't know it, It doesn't seem to make sense Anyway, getting into Mini review rant here, but there it is. Select Voice: Let's go back.
and there's the waveform. Um, that's pretty much exactly what it looks like. so it looks like there's two syllables there at least. and uh, I I Originally had it at 1 khz I just played it and well I Just looked at it on the scope uh first and of course it was massively too fast.
It was Just you know. it was repeating every you know, every millisecond or something. So it was just, uh, crazy. So I've had to lower it down to 2 Hertz here.
Okay, 5 Vols Peak to Peak output I've got it hooked up to my speaker here. Yes, it can drive an 8 ohm speaker directly. so let's give it a go. Here we go: I Found 2 Herz is roughly the uh, optimal spot.
Here we go: I'll put my mic up to it where Wiggle Wiggle Wiggle Wiggle Wiggle Wiggle Wiggle Wiggle Wiggle Wiggle Wiggle Wiggle Wiggle Wiggle Wigg You go. That's clearly saying Regal or Rial you know I I pronounce it Rial But uh, Regal it's the voice is clearly saying regal, Regal Regal and I haven't figured out how to extend that. um, like actually extend the paws between each one? Um, not even sure if it's possible. you might have to just go and edit the um, arbitrary uh, waveform itself to actually do that cuz it is annoying.
It actually repeats too quickly, but there you go. It's saying ryol I'm pretty sure. now. there's one annoying aspect with this is that, um, the frequency selection.
You'll notice that it's highlighted green there when you know you press frequency or you press amplitude, it highlights the other one. Not sure how good that looks on camera, but it looks good in real life and uh, you want to adjust the frequency? Um, fine. Okay, but look at which digit you're adjusting. there's that tiny little once again, that stupid little yellow dot in there like they had for the waveform selection.
I Don't know what idiot thought that. That was a good selection idea. And of course, if you um, move and if you use the buttons over here under the knob, it's sure enough it selects which digit you want. But look, it's just. it's tiny that little yellow dot. So if I want to adjust, you know in 100 m Hurtz increments. there you go. that's fine.
but uh yeah, it's just oh man, it's just really, that's a horrible feature. I Just tiny dot. Why not? Just you know, make it a different color, highlight it red or you know, something like that. I Don't know anything but that silly yellow Dot and we'll play with the frequency just a little bit.
Wi wi wi wi wi wi WI So there you go. I think the you know the optimum spots. maybe you know, 2.2 2.3 Hertz or something like that. and I'll try and edit that waveform to add in an extra pause after that.
So let's go down to edit waveform here: I Haven't tried this before. So uh, cycle period. Ah, here we go. So let's change the uh, let's change the cycle period, shall we? Let's increase.
Increase that to you know, a couple of seconds and let's try that. So how do we save there? we go. Once again, you got to go down to another menu. so let's save it.
Oh, here we go. We're saving it to the internal memory. Let's save it to. how do you jump across oh man trying to use this thing? There we go.
It's obvious browser and we're in the directory thing. We need to go to file there and once again we got a little stupid. Blue Dot this time crazy. Okay, let's save it in.
oh that's very laggy I don't know. There we go. All right Save: I'm going to save it to AB One oh file name. Jeez, do we care.
Let's just call it one. hello I'm pressing. ah, see the enter button over there doesn't work I've got to use the select button. Let's just call it that.
That'll do saving AR Wave data Bang We're in. Okay, so now we should be able to recall this with a let's have a look down here. Select Waveform save stored waveforms. There we go.
and then we can go in here to select the file. Uh, read bang I assume uh. data have been changed. Okay, Beautiful.
Now it should output no. All right, No, that's no good where. Obviously, no, we extended the whole thing. Clearly, that's no good.
And for those who are curious to see the actual waveform, well, we'll single shot capture that and we'll zoom in. and there there is your waveform. It's very. uh, it's very, stepped.
Of course, it's like it's uh, it's like it's not even 8bit. It's very, very coarse. Look at that. Extremely coarse.
What is that? You know? six bits or something? It's uh, it's pretty terrible. Seems like they've just used some, you know, computer crap computer generated voice to generate you know, a a crude uh, wave file and then stick it in there as one of the arbitrary waveforms that didn't even bother like sampling a real human voice in. High Fidelity Which this thing's capable of? What is it? 14 bits? Um, you know, deck in the thing it's capable of. You know, Extremely good voice reproduction and a quick one for those who want to see the hardware uh counter capability. So you switch on the hardware counter. which is weird to have a hardware frequency counter on a Uh on a function. Gen like this. So I've just got my scope probe hooked up to the back um input and let's have a look.
And there we go. Bang. It's um, clearly got a Um. It clearly automatically um selects a reciprocal uh counting function because it gives you the you know, the huge number of decimal places, the huge resolution on low frequencies like that.
So it's doing reciprocal frequency counting. Uh, you? you know, on some older um, well, a lot of older frequency counters. um you. They either didn't have this capability at all or uh, you had to manually select it but it's clearly automatically.
uh, knows that it's a low frequency bang I need to use reciprocal counting So there you go and there's it measuring: a 1 Kilz 1vt uh peak-to Peak sine wave from my Um Agilant 3000 Series uh built-in waveform generator and let me, uh, drop that frequency down a tad actually I completely take that back I think it's absolute uh because this reciprocal I don't think it's using reciprocal counting at all. Um, it seemed to work okay at 50 HZ seem to be doing the business with a bit of noise but I just I'm generating now um, 18. let's say 20 Hertz on my uh Riol uh sorry my Agilant uh waveform Gen 1vt Peak to Peak 20 htz and it's just jumping all over the place and it wouldn't do that if it was a true reciprocal uh frequency counter. and if I drop it lower in if I drop it lower like 12 Hertz it's completely stopped.
It's just completely stopped updating. so obviously there is a lower frequency limit there and and all those digits are just complete. Really, it's not a true I Assume it's not a true reciprocal frequency counter because if it was um, then you know it would be easily able to do you know, 10 HZ or one Herz just as easily as it can do 50 HZ And of course you know it tries to do 20 HZ And bang, It's just. it's just crap.
Have to read the manual. No there you go I flew off the handle I had to go in and change the gate time. So you go into counter here and well you turn on the counter. uh where was it? it was uh gate time here and it didn't automatically adjust the gate time.
So now I'm feeding in my 24 HZ signal and it's uh, it's rock solid so let's uh, turn it down to and it should update. there we go. All right, much much better, much much better. I like it and I checked the manual and yes, it uh goes down to 100 microhertz or something like that.
it's you know it can go measure incredibly low uh frequencies. So yeah, that was all. uh just a red hering. Auto Here we go, let's try auto and the auto function. uh, didn't really work there so I'm not sure what that's doing. got to read the manual again but uh I was able I'm able to measure 100 millerz no problems at all if I've got my uh gate time set slow enough and then the 50 HZ from my finger updating once per second. So there we go. It's a bit better now than the high gate time we were using before.
Siglent's AWGs says "Hello" 😉
I thought it was rip off .
If you are using coloured backgrounds, stay clear of red and green if possible as 1 in 12 men and 1 in 200 women have some type of red/green colour blindness. I can hardly see the green selection background yet can see the yellow dot really easily, so use either a black text on yellow or white for highlighting is better and a blinking cursor UNDER the letter works better.
Rimmer.. It clearly says "Rimmer".
That number format is hard to read, damn! Remove those fricking commas after the decimal point.
Remark, I think
Recently got a 4102 and everything was looking good until I applied AM modulation. It falls flat on its face. Carrier level drops and sideband levels are not correct. Contacted US Rigol customer support and they confirmed that they could duplicate the problem and they would send a "bug report" to Rigol headquarters. Got a reply yesterday, basically telling me it's working properly and as designed even though the output power level obviously falls out of advertised spec under modulation. Basically tough luck buddy, your screwed and there ain't nothing were going to do about it. Last piece of Rigol gear I ever buy. Posted a video of the problem to demonstrate it so no one else gets screwed.
Mike
Did you connect speakers directly to the generator or through an amplifier?
Almost sounded like "Rimmer" to me, smegheads! 😀
it says "winer"
My classmates thought it sounded like MEATBALL MEATBALL MEATBALL.
If that's really saying "Rigol", I don't want to know where that was actually recorded. Sounds more like "remark" or "Wima" to me.. no "g" sound in there.
"Remark"?
where in the O&T manual does it say you can insult the people that let you review their products LOL But I agree, a colored background around the highlighted selection would be an upgrade.
talking about a totally stupid instrument. A good sound card and some basic plug ins can make real magic.
no doubt they are trying
Their equipment is actually quite good, and they are trying quite hard to move up to the higher end.
"Rigol"….. wish they had at least 8-bit audio in China
Every time I see a RIGOL tool I get the impression it's complete BS made to be sold to beginners. Now that little dot – selection thing is so much worse, so annoying.
I pledge I'll never ever buy a RIGOL.
They are cheap and look nice but that's their trick to get your money. You get what you pay for.
That is a "G", not an "M" in the middle of that word; "REMAL" is what I hear, EVERY time, no matter the frequency.
Great video Dave! You are making me want to try a Rigol. That indicator/cursor dot was plenty visible here in 1080p, but then again, my eyes probably don't report to me in 1080p resolution.
It starts to laugh at 5Hz lol.
I like how you get mad at your viewers, in a "GET OFF MY LAWN" kinda way .. lol
Sounded like "rip off" to me.
does it say "remark" ???
I was thinking the exact same thing, and came here specifically to comment that! You beat me to it…