Differences

This shows you the differences between two versions of the page.

--- camera_help_cc [2020/12/24 06:41] – Walter Schulz
+++ camera_help_cc [2021/01/10 20:48] – Walter Schulz
@@ Line 31: / Line 31: @@
 > Special task: HDR section! If you have experience with HDR workflow, preferable with Open-Source tools (but not restricted to), any input would be appreciated!\\
 >And what is the difference between Luma and Luma Fast?
-====== Audio ======
-> Complete (18.02.2019). No pics for plugs, etc. here, because it's in-camera help and drawings for soldering doesn't help that much in this respect, IMO.
-> And if Audio screen isn't visible this help text won't be able to tell users why. That's one reason I opted for this screen to be visible at all times.
-Manual audio controls.\\ If you do not see this screen check these conditions:
-  * 50D: Nope, no way to make it happen! 50D doesn't support audio recording.
-  * Your cam may have restricted audio menu after loading module MLV_SND.mo:\\ 1100D, 650D, 6D, 700D, EOS M, 100D, 70D, EOS M2, 1200D\\ The only menu option you will see with MLV_SND active:\\ - MLV Sound
-The options available differ a lot depending on your camera type.\\ Please check [[https://builds.magiclantern.fm/features.html#Audio|feature matrix]]
-===== Analog Gain =====
-Gain applied to both inputs in the analog domain. Default is on and 23 dB.
-//Values://
-**0**-32 **dB** (values: 0, 10, 17-32 in 3 dB steps)
-Analog does a great job of boosting the signal while retaining a low noise
-floor and hence, [[http://www.magiclantern.fm/forum/index.php?topic=8549.0|dynamic range.]] If you use an
-external preamp, set this parameter as low as possible otherwise, set it
-as high as possible without [[http://www.magiclantern.fm/forum/index.php?topic=11063.0|clipping]] (audio meters
-should be green).
-===== Digital Gain =====
-In-camera digital gain. Default is 0, 0, OFF
-//Submenu options://
-==== Left Digital Gain ====
-to 36 dB
-==== Right Digital Gain ====
-to 36 dB
-==== AGC ====
-**OFF**/ON
-Applying digital gain in-camera is not recommended as any non-zero value reduces
-audio quality and you can achieve the same effect with more control in
-post, but it can serve as an evaluative tool on set. You can apply
-digital gain in 6dB increments to the left and right channel
-independently. AGC is auto mode and is applied only in digital domain.
-It overrides digital gains, but you can still adjust analog gain.
-===== Input source =====
-Mic configurations.
-//Values://
-**Internal mic** your camera's internal mic(s)
-**L:int R:ext**
-**External stereo**
-**L:int R:balanced** (internal mic on Left, external mic on Right from both external pins as balanced audio)
-**Auto int/ext** camera detects if a mic is plugged in. Int is dual mono, ext is stereo.
-Balanced audio allows for very long cable runs without interference. Usually
-balanced mics have three pin XLR connectors and it is very easy to put
-together an XLR to Canon mic input cable. Balanced allows us to use such
-pro mics with our little Canons and this is a very welcome surprise for
-audio guys. You can feed an [[http://www.magiclantern.fm/forum/index.php?topic=1944.0|external audio source]] into the
-camera giving you the option of using higher quality mics, although this
-is not [[http://www.magiclantern.fm/forum/index.php?topic=8836.0|straight forward.]]
-===== Wind Filter =====
-Digital high-pass filter.
-//Values://
-**On or Off**
-Canon's audio controls have no effect, they are completely overriden by ML and
-the wind filter has been known to mute external mics, so if you're
-having that problem on an earlier build turn it off. [[http://www.magiclantern.fm/forum/index.php?topic=4234.msg27693#msg27693|To use or not?]]
-Also see [[http://www.akm.com/akm/en/file/datasheet/AK4646EN.pdf|AK4646 datasheet p.34.]]
-===== Mic Power =====
-Power for mics.
-//Values://
-**ON** input impedance is 2 kOhm.
-**OFF** input impedance is 30 kOhm.
-Required for internal mic and certain types of external mics, but it reduces
-input impedance. This setting is always ON when input source is either
-internal mic or L:int R:ext. See[[http://www.akm.com/akm/en/file/datasheet/AK4646EN.pdf| AK4646 datasheet p.31.]] and the Mic
-power control thread. [[http://www.magiclantern.fm/forum/index.php?topic=2666.0|Results of audio tests with ML and Canon 550D, T2i.]]
-===== Headphone Mon. =====
-Audio monitoring with headphones, using the A/V cable.
-//Values://
-**On or Off**
-To use audio monitoring, you need a special cable: your Canon A/V cable
-with a RCA - 3.5mm jack adapter a dedicated cable from Sescom or you may
-solder it yourself (you will have to cut your A/V cable). Mobile phone
-cables will not work; even if the connector looks similar, it's not
-identical. You must use the original cable which came with your camera.
-For details, see Audio monitoring HOWTO on Vimeo group. Disable this
-setting if you are using a SD monitor. This feature is not available on
-D/T3i.
-Tip: Before cuting/soldering or ordering a monitoring cable check [[https://builds.magiclantern.fm/features.html#Audio|feature matrix]] if this feature is available for your cam at all.
-===== Headphone volume =====
-Digital output gain for audio monitoring.
-//Values://
-**0-6 dB** in 2 dB increments.
-It does not have any effect on the internal camera speaker. For best
-results, you should a pair of low impedance headphones, for example
-Audio Technica ATH-M50 (38 ohms). With high-impedance headphones, you
-may have to use a headphone amplifier like FiiO E5.
-===== Audio Meters =====
-Display the input audio level.
-//Values://
-From -40dB to 0dB, meters become yellow at -12 dB and red at -3 dB. Audio meters are only displayed in movie mode.
-===== Speaker Volume =====
-In-camera speaker.
-//Values://
-**1 to 5**
-===== Beep, test tones =====
-Customize camera sounds.
-//Submenu options://
-==== Enable Beeps ====
-ML uses beep tones for several events. Turn them off if you have to go silent.
-==== Tone Waveform ====
-Sine tones of lower frequency might be not audible on the internal speaker. Use square. Always check with Test beep sound.
-==== Tone Frequency ====
-Default is 1 kHz. Range from 55 Hz (A1) to 12 kHz. Human ears are considered to be most sensitive between 2 and 5 kHz.
-==== Play test tone ====
-==== Test beep sound ====
-===== MLV Sound ======
-Only available when the [[#mlv_sndmo|MLV_SND]] module is loaded and active. See
-[[#modules|Modules]]
-//Submenu options://
-==== Sampling rate ====
-- 48kHz the basic quality of your audio, the higher the better.
-==== Trace output ====
-ON or OFF
-When MLV Sound is ON, a separate WAV file is generated at the framerate
-determined by your FPS setting in Canon Menu. When FPS Override is used,
-only the framerate of raw video is affected, the WAV file will remain
-either 24fps or 30fps depending on the FPS setting in canon menu. It is
-not possible to playback mlv sound in-camera.