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Zynthian UI User Guide - V5 (view source)
Revision as of 01:18, 22 December 2023
, 01:18, 22 December 2023→The Status Area
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−|style="padding:10px"|<span style="color:#8080FF">'''m'''</span>
−|style="padding:10px;width: 200px;|'''MIDI-IN'''
−|style="padding:10px"|It's shown when MIDI messages are received. Underscore indicates system message such as MIDI clock.
====The Peak Meter====
−The Audio Peak meter is shown by default. The meter covers the range -50dBFS to 0dBFS, i.e. maximum permissible level at full scale (far right) down to 50dB below (far left):
−* The green segment covers the range -50dBFS to -10dBFS.
−* The yellow segment covers the range -10dBFS to -3dBFS.
−* The red segment covers the range -3dBFS to 0dBFS.
−There are independent meters for left and right channels which monitor the system output, i.e. the mix of audio that feeds the Zynthian output. Level decays with a logarithmic rule, taking one second to decay to -200dBFS so will decay to -50dBFS (the displayed range) in about quarter of a second. Peaks are displayed instantly, i.e. the attack of the meter is immediate (*). The peak hold bar remains for two seconds or until a higher peak is reached.
−(*) Meter is updated 5 times per second so there can be 200 ms delay in peak being displayed.
−Alternately, the "CPU-load" bar can be enabled from webconf, replacing the Audio Peak meter. The CPU-load bar shows the CPU usage as calculated by the Jack Audio Server:
− This is a running average of the time it takes to execute a full process cycle for all clients as a percentage of the real time available per cycle determined by the buffer size and sample rate.
On the top-right corner is an area where some useful information is displayed in real time:
On the top-right corner is an area where some useful information is displayed in real time:
−* '''Audio peak-meter''' or '''CPU load-bar''': horizontal bars indicating peak audio level or CPU load (configured in webconf)
+* '''Digital audio Peak Meter (DPM)''': horizontal bars indicating digital audio level and peaks
−* '''Status Icons''': indication of various states
+* '''Status Icons''': indication of various zynthian states
+Let's see the details:
+====Digital audio Peak Meter (DPM)====
+The DPM covers the range -50dBFS to 0dBFS, i.e. maximum permissible level at full scale (far right) down to 50dB below (far left):
+* The green segment covers the range -50dBFS to -10dBFS.
+* The yellow segment covers the range -10dBFS to -3dBFS.
+* The red segment covers the range -3dBFS to 0dBFS.
+There are independent meters for left and right channels which monitor the system output, i.e. the mix of audio that feeds the Zynthian output. Level decays with a logarithmic rule, taking one second to decay to -200dBFS so will decay to -50dBFS (the displayed range) in about quarter of a second. Peaks are displayed instantly, i.e. the attack of the meter is immediate (*). The peak hold bar remains for two seconds or until a higher peak is reached.
+(*) Meter is updated 5 times per second so there can be 200 ms delay in peak being displayed.
+====The Status Icons====
{| class="wikitable"
{| class="wikitable"
−!colspan="3"|Status Icons Legend
+!colspan="3"|1st row: Health & Load
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|-
−|style="padding:10px"|<span style="color:#FF0000">[[file:Zynthian_health_heart.png]]</span>
+|style="padding:10px"|<span style="color:#00FF00">{{#fas:heart}}</span>
|style="padding:10px;width: 200px;|'''Cpu Load'''
|style="padding:10px;width: 200px;|'''Cpu Load'''
|style="padding:10px"|Heart, indicating CPU load. It displays as green when under 50%, yellow when load is over 50% and red over 75%.
|style="padding:10px"|Heart, indicating CPU load. It displays as green when under 50%, yellow when load is over 50% and red over 75%.
−|-
|-
|style="padding:10px"|<span style="color:#FF0000">{{#fas:exclamation-triangle}}</span>
|style="padding:10px"|<span style="color:#FF0000">{{#fas:exclamation-triangle}}</span>
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|style="padding:10px"|'''Over-temperature'''
|style="padding:10px"|'''Over-temperature'''
|style="padding:10px"|Zynthian is working in a degraded state, with the CPU frequency capped to 600-800 MHz, trying to stabilize the system and avoid a system crash. You shouldn't see that icon and if you do so, you should improve heat dissipation (using a heat sink, etc.)
|style="padding:10px"|Zynthian is working in a degraded state, with the CPU frequency capped to 600-800 MHz, trying to stabilize the system and avoid a system crash. You shouldn't see that icon and if you do so, you should improve heat dissipation (using a heat sink, etc.)
+|-
+!colspan="3"|2nd row: MIDI activity & Playing/Recording
+|-
+|style="padding:10px"|<span style="color:#8080FF">'''m'''</span>
+|style="padding:10px;width: 200px;|'''MIDI-IN'''
+|style="padding:10px"|It's shown when MIDI messages are received. Underscore indicates system message such as MIDI clock.
|-
|-
|style="padding:10px"|<span style="color:#b00000">{{#fas:circle}}</span>
|style="padding:10px"|<span style="color:#b00000">{{#fas:circle}}</span>
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|-
|-
|style="padding:10px"|<span style="color:#ff9000">{{#fas:circle}}</span>
|style="padding:10px"|<span style="color:#ff9000">{{#fas:circle}}</span>
−|style="padding:10px"|'''Recording Sequencer'''
+|style="padding:10px"|'''Recording Pattern'''
−|style="padding:10px"|Sequencer is being recorded.
+|style="padding:10px"|A sequencer's pattern is being recorded.
|-
|-
|style="padding:10px"|<span style="color:#ff9000">{{#fas:play}}</span>
|style="padding:10px"|<span style="color:#ff9000">{{#fas:play}}</span>
−|style="padding:10px"|'''Playing Sequencer'''
+|style="padding:10px"|'''Playing Sequence'''
−|style="padding:10px"|Sequencer track is being played.
+|style="padding:10px"|A sequence or pattern is being played.
|}
|}
−==The Zynthian UI Workflow==
==The Zynthian UI Workflow==