特殊:Badtitle/NS100:UbuntuStudio/QuickTips:修订间差异
小无编辑摘要 |
小无编辑摘要 |
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{{Languages|UbuntuHelp:UbuntuStudio/QuickTips}} | {{Languages|UbuntuHelp:UbuntuStudio/QuickTips}} | ||
"Quick Tips" is a place to share information on how to improve low-latency performance of UbuntuStudio and particularly JACK. Please report the steps you took to achieve your configuration, along with performance metrics: Your sampling rate, buffers/periods setting, and an estimate frequency of XRUNS. | "Quick Tips" is a place to share information on how to improve low-latency performance of UbuntuStudio and particularly JACK. Please report the steps you took to achieve your configuration, along with performance metrics: Your sampling rate, buffers/periods setting, and an estimate frequency of XRUNS. | ||
-- | -- | ||
e.g. Added line "module foo" to /etc/foo/foo.conf and entered "/etc/init.d/foo restart" to reload foo. Achieved six hours of performance at 96kHz/3/128 with XRUNS only happening when starting applications. | e.g. Added line "module foo" to /etc/foo/foo.conf and entered "/etc/init.d/foo restart" to reload foo. Achieved six hours of performance at 96kHz/3/128 with XRUNS only happening when starting applications. | ||
-- | -- | ||
Setting and controling JACK is easy using '''JACK Control''' (''qjackctl''). For running JACK with ''Real-time Full-Duplex'' capabilities using Audio Card ''Intel Corporation (ICH6 Family) High Definition Audio Controller'', with ''ALSA ALC880 Analog Playback/Capture'', set JACK preferences on Setup.../Settings tab (''qjackctl'') to: | Setting and controling JACK is easy using '''JACK Control''' (''qjackctl''). For running JACK with ''Real-time Full-Duplex'' capabilities using Audio Card ''Intel Corporation (ICH6 Family) High Definition Audio Controller'', with ''ALSA ALC880 Analog Playback/Capture'', set JACK preferences on Setup.../Settings tab (''qjackctl'') to: | ||
* check Realtime, with prioity: 0 | * check Realtime, with prioity: 0 |
2007年11月30日 (五) 21:56的版本
文章出处: |
{{#if: | {{{2}}} | https://help.ubuntu.com/community/UbuntuStudio/QuickTips }} |
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{{#ifeq:UbuntuHelp:UbuntuStudio/QuickTips|:UbuntuStudio/QuickTips|请不要直接编辑翻译本页,本页将定期与来源同步。}} |
{{#ifexist: :UbuntuStudio/QuickTips/zh | | {{#ifexist: UbuntuStudio/QuickTips/zh | | {{#ifeq: {{#titleparts:UbuntuStudio/QuickTips|1|-1|}} | zh | | }} }} }} {{#ifeq: {{#titleparts:UbuntuStudio/QuickTips|1|-1|}} | zh | | }}
"Quick Tips" is a place to share information on how to improve low-latency performance of UbuntuStudio and particularly JACK. Please report the steps you took to achieve your configuration, along with performance metrics: Your sampling rate, buffers/periods setting, and an estimate frequency of XRUNS. -- e.g. Added line "module foo" to /etc/foo/foo.conf and entered "/etc/init.d/foo restart" to reload foo. Achieved six hours of performance at 96kHz/3/128 with XRUNS only happening when starting applications. -- Setting and controling JACK is easy using JACK Control (qjackctl). For running JACK with Real-time Full-Duplex capabilities using Audio Card Intel Corporation (ICH6 Family) High Definition Audio Controller, with ALSA ALC880 Analog Playback/Capture, set JACK preferences on Setup.../Settings tab (qjackctl) to:
- check Realtime, with prioity: 0
- check Force 16-bit
- Frames/Period: 128 (lower this for reduce latency)
- Sample Rate: 44100
- Periods/Buffer: 3
- Audio: Duplex (default)
- Driver: alsa (default)
- and leave the others to default.
Using linux-lowlatency package is recommended for better performance. This setting will achieve, 44.1kHz/3/128. The number of XRUNS was not counted.