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FL Studio:
System Settings
3rd party ASIO
driver:
ASIO4ALL
System Settings - Audio (ASIO4ALL)
The FL Studio installation includes a
3rd party ASIO driver ASIO4ALL.
There are two
advantages:
-
Speed: ASIO
drivers (in general) allow lower CPU overhead and lower buffer
settings than
the standard Windows ('Primary Sound Driver', WDM Driver).
If your audio interface has a native ASIO driver then we
recommend you use that.
-
Multiple
audio devices: Unique
to ASIO4ALL, you can select inputs and outputs from separate
soundcards/audio-devices, something that is not possible
with standard ASIO drivers. This feature allows you to use a USB
microphone input
and your regular soundcard output at the same time (see
point 7 below).
NOTE: ASIO4ALL
is a generic ASIO driver that works with most soundcards, your
experience may be different, including long periods of silence
and head-scratching. If ASIO4ALL doesn't produce any sound we
recommend that you work through all the steps below including
the Troubleshooting section.
Using the ASIO4ALL Advanced Settings
This section explains how to use the
ASIO4ALL settings.
-
Press F10 on
your PC keyboard and select the Audio settings by clicking
on the speaker icon. Alternatively choose Audio
settings from
the Options
Menu.
-
Select ASIO4ALL
v2 as shown
below.
To open the ASIO4ALL
settings -
Click on the 'Show ASIO panel' (shown above). The screenshot
below shows ASIO4ALL in 'simple mode'. The 'spanner' button,
on the lower-right, changes between 'simple' and 'advanced'
modes.
ASIO Buffer
Size - As
shown above, the ASIO4ALL window allows you to adjust the ASIO
Buffer Size (Buffer
length) settings to fine-tune Buffer
underrun issues.
You can adjust the buffer length for each selected device
(in this case the Creative SB X-Fi is selected, highlighted
dark-blue). It is a good idea to set all devices you plan to
use to the same Buffer Size.Select each device by
clicking on the name so it becomes highlighted and then
change the Buffer Size slider. The Buffer Size is displayed
in samples, to convert from samples to milliseconds (ms)
divide the Buffer length in samples by 44.1 (if your
soundcard is using 44100 Hz) or 48 (if it is at 48,000 Hz).
In this case, the soundcard is set to 44100 Hz so the Buffer
length of 448 samples = 10 ms (approximately).
WDM
Device List -
The screenshot also shows 2 devices in the WDM
Device List (Creative
SB X-Fi and Plantronics Headset). The devices that appear in
your list will probably be different and are those audio
devices that have soundcard drivers correctly installed and
registered with the Windows operating system. If your sound
is working correctly under Windows, there should be at least
one device listed (something with Realtek or AC97 in
the title are common for motherboard-based soundcards). If
nothing is showing in this list, re-install the soundcard
drivers for your PC, reboot and look here again.
Advanced
settings -
Make sure you are in Advanced mode as shown below. Click the
Spanner (lower-right) to change between 'Simple' and
'Advanced' modes.
Active devices -
Only active devices (and their active Inputs/Outputs) can be
used by FL Studio, i.e show in the Mixer
IN and OUT menus. This
is the step that is required to use a USB microphone with
your soundcard. To
activate a device click
the button in front of the device name, the blue button &
arrow will light to indicate the device is active. You
must also
ensure that the device's Inputs (In:) and Outputs (Out:) are
also activated. Click on any [+] squares in front of the
device to expand the list of Inputs and Outputs and click on
the activate buttons. NOTE: activating
a device at the highest level does not necessarily mean its
inputs and outputs are activated. For example, in the
screenshot above the Plantronics
Headset Output
is not activated and so won't be available in FL Studio.
Latency
compensation In/Out -
sliders. Leave these at the default settings. The ASIO4ALL
driver reports to FL Studio the latency it adds to the audio
stream, and this is taken into account by the program where
appropriate. However, if you have measured the input/output
latency of your soundcard using a loop-back cable, and know
what you are doing, then set the 'Latency compensation'
sliders according to your measured results.
Use
hardware Buffer -
Can reduce Buffer
underruns. Whether or not it helps
will depend on the design of your soundcard's design and
drivers.
Always
resample 44.1 kHz <-> 48 kHz -
This option fixes a no
sound issue
on SigmaTel
C-Major Audio devices.
If everything else seems to be correct on your soundcard
settings and you are not hearing anything you can give this
option a try.
Force
WDM Driver to 16-Bit -
This option fixes a no
sound issue
on SoundMax
Digital Audio devices.
If everything else seems to be correct on your soundcard
settings and you are not hearing anything you can give this
option a try.
When you
are done, close the ASIO4ALL options with the [X] window
control in the top-right corner.
Troubleshooting
There is a video
tutorial on the  ASIO4ALL
driver setup that
discusses the common problems.
-
Make sure you are
using the
latest version of ASIO4ALL, install it and try again.
The latest
ASIO4ALL driver will be available
here. Don't be afraid to
try the latest Beta (if there is one).
-
 Unavailable -
If any of the inputs/outputs of the devices in the 'WDM
Device List' have a RED
X through
them, it means they are probably being used by another audio
application. For example, programs such as 'MSN Messenger',
'Skype', media players etc. can tie up inputs/outputs so,
close FL Studio, close any program that may use your
soundcard and re-open FL Studio and the ASIO4ALL options.
-
Nothing
shows - If
your soundcard or its IN/OUTputs
don't show in advanced mode, try downloading the latest
driver for your soundcard. This happens when the driver for
your soundcard hasn't registered itself correctly with
Windows.
-
No sound -
If other applications are not audible or taking over the
soundcard see 'Auto close device' on the Audio
Settings. Otherwise, if you get no sound at all check the
following:
-
Select all Outputs -
In 'Advanced view' expand your Soundcard Inputs/Outputs
and ensure
all Outputs are active. In the example above, the
Creative SB X-Fi has its main analog output selected
('Out: 8x 44.1 1-192kHz, 32Bits') but the 'SPDIF' Output
and 'Plantronics Head' set Output ('Out: 2x 6 4-48 kHz,
16 bits') are both deselected and so would not be
available in the Mixer.
-
Output Errors? -
Make sure the Outputs are not showing Unavailable or Beyond
logic as
described elsewhere in this section.
-
Master Mixer track Output -
Make sure the correct ASIO
Output is selected in the Master OUT of the Master Mixer track.
Try all Output menu options if you are not sure.
-
Switches -
Try the 4 possible combinations of the 'Always
resample 44.1 kHz <-> 48 kHz' and 'Force WDM
Driver to 16-Bit' switches (Off/Off, On/Off, Off/On,
On/On).
-
Any
sound? -
If there is still no sound, make sure you can hear sound
from other Windows programs. If not then your problem
isn't related to ASIO4ALL (try re-installing your
soundcard drivers).
-
Crackling noises without the underrun count increasing -
Check the following:
-
Switches -
Try the 4 possible combinations of the 'Always
resample 44.1 kHz <-> 48 kHz' and 'Force WDM
Driver to 16-Bit' switches (Off/Off, On/Off, Off/On,
On/On).
-
Hardware buffer switch -
Try On/Off.
-
Buffer lengths -
Each device in the 'WDM Device List' can have a unique ASIO
Buffer Size setting.
Make sure all devices have the same buffer setting (the
blue square indicates the setting of the non-selected
device).
-
Plugins misbehaving -
Crackling can also be caused by plugins
behaving badly.
-
 Beyond
Logic -
Similar to 'unavailable', if the control panel of your card
provides the option to lock the sample rate deselect it, a
known cause of 'Beyond Logic' errors. Also try closing and
re-opening the control panel, unplugging/re-inserting USB
audio devices and/or reinstalling the Windows (WDM) driver
for the soundcard.
-
Check the ASIO4ALL
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