X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fmetering-in-ardour.html;h=51dcdded078c3426f31bcb21acf03e28f2778d5d;hb=a61fbacdfcb7a76fe425fada61f49fc85751e47a;hp=8dbe8c25e9fb7a17533252ed01083fe12f97a746;hpb=7a4c28bd8605e90876ebee619de364ab7001e405;p=ardour-manual diff --git a/include/metering-in-ardour.html b/include/metering-in-ardour.html index 8dbe8c2..51dcdde 100644 --- a/include/metering-in-ardour.html +++ b/include/metering-in-ardour.html @@ -8,7 +8,7 @@ at a single meter.
- Yet, if you want to work in or with the broadcast industry, it is + Yet, in order to work in or with the broadcast industry, it is usually unavoidable to use meters.
@@ -19,7 +19,7 @@
Digital peak-meter | +A Digital Peak Meter displays the absolute maximum signal of the raw audio PCM signal (for a given time). It is commonly used when tracking to make sure the recorded audio never clips. To that end, DPMs are always calibrated to 0 Edit > Preferences > GUI. + chosen in Edit > Preferences > Metering. - + |
---|---|
RMS meters | +An RMS-type meter
is an averaging meter that looks at the energy in the signal. It
provides a general indication of loudness as perceived by humans. Ardour
- features three RMS meters, all of which offer additonal peak indication.
+ features three RMS meters, all of which offer additional peak indication.
|
IEC PPMs | +IEC-type
PPMs are a mix between DPMs and
RMS meters, created mainly for the purpose of
interoperability. Many national and institutional varieties exist (
- Their specification is very exact, and consquently, there are no + Their specification is very exact, and consequently, there are no customizable parameters. - + |
VU meters | +VU meters are the dinosaurs (1939) amongst the meters. They react very slowly, averaging out peaks. Their specification is very strict (300ms rise-time, 1–1.5% overshoot, flat frequency response). Ardour's VU meter adheres to that spec, but for visual consistency it is displayed as a bar-graph rather than needle-style (more below). - - + |
- Meters are available in various places in ardour: + Meters are available in various places in Ardour:
The type of meter and the metering point (the place in the signal chain where the meter taps the signal) are configurable in the context menu of each meter. - Depending on the Edit > Preferences > GUI > Mixer - Strip settings, the metering point is also accessible via a button in - each Mixer strip. + Depending on the Edit > Preferences > Mixer settings, + the metering point is also accessible via a button in each Mixer strip.
- +Regardless of meter type and standard the meter display will highlight red if the signal on the given channel exceeds the configured peak threshold.
- Left on the peak-indicator button resets the
+ Left clicking on the peak-indicator button resets the
peak-hold indicator of a single channel.
- Left resets a whole group, and
- Left resets all meters.
+ Left clicking resets a whole group, and
+ Left clicking resets all meters.
- The figure on the left shows all available meter-types in Ardour 3.4 when fed with a + The figure on the left shows all available meter-types in Ardour when fed with a -18 dBFS 1 kHz sine wave.
- - -- Due to layout concerns and consistent look&feel all meters available in + Due to layout concerns and consistent look and feel all meters available in Ardour itself are bar-graph type meters. Corresponding needle-style meters—which take up more visual screen space—are available as LV2 plugins (see image on the right): meters.lv2.
-