I didn't say it was better. I said the microphone in the video camera
works fine. What I did say was that I use a headset mike with my
ThinkPad, because that is definitely better, as the built in mike picks
up noise from the computer. As I mentioned, I frequently use video
chat, most recently this morning and for my purposes, the camera mike
works fine. If I were in a noisy location, then I'd use a headset. On
the other hand some people seem to go overboard and seem to be
pretending to be a broadcaster, with a mike hanging down from a boom, etc..
BTW, my background is in telecom, going back 50 years and am well aware
of the requirements for intelligible voice. That has generally been
about 300 Hz to 3 KHz and toll quality calls were handled over 64 Kb/s
digital channels. These days, however, one of two things happen to
voice. Either it gets compressed, when not needed or the quality is
improved almost to being "Hi-Fi" with newer CODECs. Take a look at cell
phones. The first phones were analog with audio comparable to toll
quality. Then 2G came along and compression was used to fit multiple
channels in the spectrum occupied by an analog call. More recently,
with 4G and 5G, there is so much bandwidth available that CODECs are
going the other way, providing much better than toll quality calls.
Also, consumer quality gear is more than adequate to carry voice from
just about anything. Bottom line, I don't know why you're making such
requirements, when they shouldn't make much different. For example, you
don't hear impedance. Impedance is selected to ensure maximum power
transfer by matching source and load. That's it. Sensitivity might be
something, but since everything has a volume control these days, not so
much. A more likely issue would be distortion, which can make it hard
to hear, even with a loud signal. Here you want to avoid cheap. Same
with frequency response. If you meet the toll quality needs, then it
should be OK.
BTW, going way back in my career, I used to do the network tests on the
CBC radio feed into Northern Ontario transmitter sites. I'd measure
things like frequency response, levels, harmonic distortion, background
noise and more. It'd record the data on a chart and plot the curves,
etc., to be sent into the CBC. Back then, if you were a CBC listener in
Northern Ontario, you could hear the tests going out over the network at
1PM Thursdays and I'd be there taking the measurements.
On 2022-10-11 12:04, Karen Lewellen wrote:
certainly on an extra mic. Having been a radio producer for more than
30 years, I have no idea where this person's claim that the computer
mic was better came from, but I ended up broadsided by the change.
Something I seek to avoid by finding a replacement for the airbox mic
I got to use previously.
I am thankful learning that USB will be a firm no however.
Karen
On Mon, 10 Oct 2022, James Knott via talk wrote:
On 2022-10-10 22:04, Karen Lewellen wrote:
As I shared in one post, normally I do not do zoom meetings using zoom
software and a computer at all.
this setting though requires both.
so, its either a headset, or a stand alone microphone, which given
that
indeed would need a converter would be more costly.
I use video chat frequently and rely on the microphone in the video
camera, which sits on top of my monitor and don't use headphones at
all. However, I do have a Logitech headset with mike, which also
works well. I use that on the rare occasion when I'm doing a video
chat with my ThinkPad. I have used Zoom, Jitsi, Skype, Meets and
Teams. No problem with any of them. Many people use separate
microphones too.
As mentioned by me and others, USB connections are digital and you
simply don't worry about things like impedance with them.
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