Audio Record


D

Dominique

BeeJ said:
Does Win 7 Pro have an app to record "what you hear" audio?
Recorder seems only to record from the mic.

Is there a free app that does this?
Something easy to use. i.e. not too complicated.
Look at Paul's reply, it is what you are looking for.
 
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C

choro

choro said:
How your "Superb speakers" are connected to the computer?

If they are connected to the soundcard, it seems you are recording from the
soundcard, if they are USB, they have an integrated "soundcard" in the
speakers; in that case, if you want to record from your "real" soundcard,
you must choose it in the audio preferences of Audacity.
The computer's sound card is connected to a powerful Yamaha stereo amp
and my speakers are connected to a Yamaha Amp. Pretty straightforward I
would have thought. Yes, this is an above average set-up capable of near
audiophile sound quality. But then I was a musician in my younger days.
So the quality of sound recordings and sound reproduction is as
important to me as the reproduction of the human species! ;-) --
choro
*****
 
N

Nil

Hey, I've just been doing some MP3-editing with Audacity itself,
and it's pretty good. I'll give it a full try-out next time I have
some full editing to do.
You really shouldn't do that. When you edit an MP3 with Audacity, you
are decompressing the file, then re-compressing it when you save it
again. Every time you do that, the quality drops significantly.

If all you're doing is cut-editing it, mp3DirectCut or similar MP3-
specific editor is a much better choice because it doesn't subject the
file to recompression.
 
E

Ed Cryer

Nil said:
You really shouldn't do that. When you edit an MP3 with Audacity, you
are decompressing the file, then re-compressing it when you save it
again. Every time you do that, the quality drops significantly.

If all you're doing is cut-editing it, mp3DirectCut or similar MP3-
specific editor is a much better choice because it doesn't subject the
file to recompression.
Thanks.
I'll stick with the latter, then.

Ed
 
D

Dominique

choro <[email protected]> écrivait
The computer's sound card is connected to a powerful Yamaha stereo amp
and my speakers are connected to a Yamaha Amp. Pretty straightforward I
would have thought. Yes, this is an above average set-up capable of near
audiophile sound quality. But then I was a musician in my younger days.
So the quality of sound recordings and sound reproduction is as
important to me as the reproduction of the human species! ;-) --
choro
*****
If your Yamaha amp is "consumer" type there must be connectors for a tape
recorder, you can use the TAPE OUT connector and feed the line IN of your
soundcard, you must monitor the recording level in the Windows mixer
because TAPE OUTs are usually at max and are not affected by the master
volume of the amp.

OTOH, if your amp has Digital output (S/PDIF) and your soundcard has
Digital Inputs (unusual with motherboards sound devices), you could use
those because your amp probably has better Analog/Digital converters than
your soundcard and going Digital from the amp would bypass the soundcard
converters.
 
C

choro

choro <[email protected]> écrivait


If your Yamaha amp is "consumer" type there must be connectors for a tape
recorder, you can use the TAPE OUT connector and feed the line IN of your
soundcard, you must monitor the recording level in the Windows mixer
because TAPE OUTs are usually at max and are not affected by the master
volume of the amp.

OTOH, if your amp has Digital output (S/PDIF) and your soundcard has
Digital Inputs (unusual with motherboards sound devices), you could use
those because your amp probably has better Analog/Digital converters than
your soundcard and going Digital from the amp would bypass the soundcard
converters.
Dominique, you certainly sound like you know what you are talking about
and I will certainly have a look into this.
-- choro
********
 
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C

charlie

I agree with you for the Windows sound mapper (which is used by Windows
Recorder.

But if you have many audio devices, (onboard, HDMI, integrated in speakers,
etc), any decent audio application (Audacity is one) should allow you to
choose which device to use for recording and it doesn't have to be the same
than the one choosen in the Windows sound control panel; you might even be
able to use more than one device simultaneously.
I'd agree that what should be isn't always the case. I managed to get
into a major hassle/conflict. (Realtec drivers vs. AMD/ATI drivers.
The motherboard's a bit long in the tooth (DDR2 memory, for example).
Asus used a fairly obscure version of a Realtec sound chip, just to make
matters worse.
As a result, the mixer functionality does not work properly, with either
the AMD/ATI or the Realtec mixer setup not working properly.
The Windows version also might work, if the driver install process did
not muck with the registry entries quite so much. The bit about
OEM's rolling the driver modules into one package for install purposes
really made things much more difficult to deal with.


It is possible with a lot of hassle, to get the realtec drivers and
mixer to work, if the AMD drivers and mixer are disabled. This obviously
kills the HDMI output from the video card.

What I eventually decided to do involves using a much newer desktop
running Win 8 and a more conventional realtec sound chip. The newer
system also used speaker outputs for audio, not the HDMI video card outputs.

Audacity is also involved on both, and is used to modify special purpose
sound clips. Those are then used to simulate sounds from
Engines and other sound effects on electric motor powered models.

Sadly, this is actually a secondary issue. The primary one involves
cramming the sound card, it's speakers, and power source into RC Model
Aircraft. Space, CG, and weight are the main issues, followed by
locating the speakers such that the sound is projected properly.
If that isn't enough, any aircraft structural mods must preserve
strength, without significant additional weight.
 
D

Dominique

charlie <[email protected]> écrivait @fx14.iad:
I'd agree that what should be isn't always the case. I managed to get
into a major hassle/conflict. (Realtec drivers vs. AMD/ATI drivers.
The motherboard's a bit long in the tooth (DDR2 memory, for example).
Asus used a fairly obscure version of a Realtec sound chip, just to make
matters worse.
As a result, the mixer functionality does not work properly, with either
the AMD/ATI or the Realtec mixer setup not working properly.
The Windows version also might work, if the driver install process did
not muck with the registry entries quite so much. The bit about
OEM's rolling the driver modules into one package for install purposes
really made things much more difficult to deal with.
Have you tried to install the Realtek App and drivers from the Realtek or
Asus site? Same with AMD or the graphic card manufacturer?
It is possible with a lot of hassle, to get the realtec drivers and
mixer to work, if the AMD drivers and mixer are disabled. This obviously
kills the HDMI output from the video card.
The way I understand the Windows way (Speaker in system tray), only one
audio device can be used at the same time as Windows sounds output, but
any of them can be choosen by default; Recording and Playback can use
different devices.

From inside your audio software, you might (should?) be able to access
all your audio devices at the same time if you're not using "Windows
Sound Mapper"
What I eventually decided to do involves using a much newer desktop
running Win 8 and a more conventional realtec sound chip. The newer
system also used speaker outputs for audio, not the HDMI video card outputs.

Audacity is also involved on both, and is used to modify special purpose
sound clips. Those are then used to simulate sounds from
Engines and other sound effects on electric motor powered models.

Sadly, this is actually a secondary issue. The primary one involves
cramming the sound card, it's speakers, and power source into RC Model
Aircraft. Space, CG, and weight are the main issues, followed by
locating the speakers such that the sound is projected properly.
If that isn't enough, any aircraft structural mods must preserve
strength, without significant additional weight.
I don't have any idea for this one... :)

How big is this aircraft? ... Just curious!
 
R

Rob

charlie <[email protected]> écrivait @fx14.iad:



Have you tried to install the Realtek App and drivers from the Realtek or
Asus site? Same with AMD or the graphic card manufacturer?

The way I understand the Windows way (Speaker in system tray), only one
audio device can be used at the same time as Windows sounds output, but
any of them can be choosen by default; Recording and Playback can use
different devices.

From inside your audio software, you might (should?) be able to access
all your audio devices at the same time if you're not using "Windows
Sound Mapper"
I don't have any idea for this one... :)

How big is this aircraft? ... Just curious!
Sounds like a job for the Raspberry Pi rather than anything PC-
based to me.
 
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C

charlie

Sounds like a job for the Raspberry Pi rather than anything PC-
based to me.
The PC is used only to modify/create the sound files, load them onto an
SD card, and to set certain options and behavior of the sound card.

The sound board is small enough to use in any but "Park Flyer" models.
Speakers can be a size & weight issue. Currently I'm planning to use
1.8" speakers that are quite lightweight. The power needed is ~5vdc at
well under 1A for the logic side, and 12-24 vdc at up to about 30W
on the audio amp side. Both are available from already on model power.
Propulsion 24vdc, 5ah battery, and 5vdc via a battery eliminator.

The next issue has to do with model structure, CG, and modifications
needed to mount the speakers in locations that don't cause problems with
the other criteria.
The wing tip to wing tip distance is around 60", and the total weight
of the model is just above 10 lbs without the sound system.
Power weight works out to be quite good, since the electric motor
static power is about 1630W, or about 1.5 to 1 power/weight
Max current to the ESC is in the ~70A range.
 

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