EQ Magazine - November 2008 - (Page 36) KEY ISSUES • Freeze or bounce tracks that have effects, or temporarily disable any plugins. You might also render or freeze other MIDI tracks to audio tracks, then disable their soft synths. Archive and temporarily delete tracks you don’t need to hear while overdubbing. • Set up a bus with reverb or echo set to 100 percent wet or 100 percent mix. Use aux sends in tracks to create reverb/echo, instead of using a reverb plug-in in each track. • Right-click My Computer > Properties > Advanced > Performance > Settings > Advanced > Processor scheduling > select Background Services. This setting allocates more processor time to background activities, such as streaming audio and ASIO drivers. • Use one hard drive for the operating system and programs, and another hard drive for audio files and samples. WHAT CAUSES LATENCY? It’s all about the time it takes to process this signal flow: • A key press generates a MIDI note-on message at the MIDI Out connector. • That note-on message enters your audio/MIDI interface, which converts it to a USB, FireWire, or PCI signal. • In your computer, the interface driver (a small program) lets your DAW software communicate with the interface. • The MIDI signal triggers the soft synth. • The audio from the soft synth—and all the other tracks—goes into a buffer (a small chunk of memory that holds the audio signal before playing it). • The digital audio from the soft synth gets converted back to analog audio in the audio/MIDI interface. • That analog audio goes to your monitor speakers. You hear the soft synth note that you played. Now, the total delay between key press and note sounding is the sum of these latencies: • MIDI-note generation: about 1ms per note in a chord. • Driver: about 4ms to 6ms, depending on the driver. • Output buffer: whatever you set it to—say, 1ms to 25ms. • D/A conversion: about 1ms. So, if you set the buffer to 3ms, the total round-trip latency when you play a MIDI soft synth is about 9ms. That’s not bad, considering that 9ms is just noticeable to many people according to CEntrance. You can measure your round-trip latency with the Centrance Latency tester (www.centrance.com). 36 EQ NOVEMBER 2008 www.eqmag.com http://www.centrance.com http://www.microtechgefell.com http://www.microtechgefell.com http://www.microtechgefell.com http://www.eqmag.com
Table of Contents Feed for the Digital Edition of EQ Magazine - November 2008 EQ Magazine - November 2008 Contents Talk Box Sounding Board Punch In Brian Wilson Guitar Trax Bass Management Key Issues Drum Heads Vocal Cords Mix Bus Cheat Sheet Sony Acid 6 Abelton Live 7 Controller World New Controllers Analysis Room with a Vu EQ Magazine - November 2008 EQ Magazine - November 2008 - EQ Magazine - November 2008 (Page Cover1) EQ Magazine - November 2008 - EQ Magazine - November 2008 (Page Cover2) EQ Magazine - November 2008 - EQ Magazine - November 2008 (Page 1) EQ Magazine - November 2008 - Contents (Page 2) EQ Magazine - November 2008 - Contents (Page 3) EQ Magazine - November 2008 - Talk Box (Page 4) EQ Magazine - November 2008 - Talk Box (Page Blowin1) EQ Magazine - November 2008 - Talk Box (Page Blowin2) EQ Magazine - November 2008 - Talk Box (Page 5) EQ Magazine - November 2008 - Sounding Board (Page 6) EQ Magazine - November 2008 - Sounding Board (Page 7) EQ Magazine - November 2008 - Punch In (Page 8) EQ Magazine - November 2008 - Punch In (Page 9) EQ Magazine - November 2008 - Punch In (Page 10) EQ Magazine - November 2008 - Punch In (Page 11) EQ Magazine - November 2008 - Punch In (Page 12) EQ Magazine - November 2008 - Punch In (Page 13) EQ Magazine - November 2008 - Punch In (Page 14) EQ Magazine - November 2008 - Punch In (Page 15) EQ Magazine - November 2008 - Brian Wilson (Page 16) EQ Magazine - November 2008 - Brian Wilson (Page 17) EQ Magazine - November 2008 - Brian Wilson (Page 18) EQ Magazine - November 2008 - Brian Wilson (Page 19) EQ Magazine - November 2008 - Brian Wilson (Page 20) EQ Magazine - November 2008 - Brian Wilson (Page 21) EQ Magazine - November 2008 - Brian Wilson (Page 22) EQ Magazine - November 2008 - Brian Wilson (Page 23) EQ Magazine - November 2008 - Brian Wilson (Page 24) EQ Magazine - November 2008 - Brian Wilson (Page 25) EQ Magazine - November 2008 - Brian Wilson (Page 26) EQ Magazine - November 2008 - Brian Wilson (Page 27) EQ Magazine - November 2008 - Guitar Trax (Page 28) EQ Magazine - November 2008 - Guitar Trax (Page 29) EQ Magazine - November 2008 - Bass Management (Page 30) EQ Magazine - November 2008 - Bass Management (Page 31) EQ Magazine - November 2008 - Bass Management (Page 32) EQ Magazine - November 2008 - Bass Management (Page 33) EQ Magazine - November 2008 - Key Issues (Page 34) EQ Magazine - November 2008 - Key Issues (Page 35) EQ Magazine - November 2008 - Key Issues (Page 36) EQ Magazine - November 2008 - Key Issues (Page 37) EQ Magazine - November 2008 - Drum Heads (Page 38) EQ Magazine - November 2008 - Drum Heads (Page 39) EQ Magazine - November 2008 - Drum Heads (Page 40) EQ Magazine - November 2008 - Drum Heads (Page 41) EQ Magazine - November 2008 - Vocal Cords (Page 42) EQ Magazine - November 2008 - Vocal Cords (Page 43) EQ Magazine - November 2008 - Vocal Cords (Page 44) EQ Magazine - November 2008 - Vocal Cords (Page 45) EQ Magazine - November 2008 - Mix Bus (Page 46) EQ Magazine - November 2008 - Mix Bus (Page 47) EQ Magazine - November 2008 - Mix Bus (Page 48) EQ Magazine - November 2008 - Mix Bus (Page 49) EQ Magazine - November 2008 - Mix Bus (Page 50) EQ Magazine - November 2008 - Mix Bus (Page 51) EQ Magazine - November 2008 - Cheat Sheet (Page 52) EQ Magazine - November 2008 - Cheat Sheet (Page 53) EQ Magazine - November 2008 - Sony Acid 6 (Page 54) EQ Magazine - November 2008 - Sony Acid 6 (Page 55) EQ Magazine - November 2008 - Abelton Live 7 (Page 56) EQ Magazine - November 2008 - Abelton Live 7 (Page 57) EQ Magazine - November 2008 - New Controllers (Page 58) EQ Magazine - November 2008 - New Controllers (Page 59) EQ Magazine - November 2008 - New Controllers (Page 60) EQ Magazine - November 2008 - New Controllers (Page 61) EQ Magazine - November 2008 - New Controllers (Page 62) EQ Magazine - November 2008 - New Controllers (Page 63) EQ Magazine - November 2008 - New Controllers (Page 64) EQ Magazine - November 2008 - New Controllers (Page 65) EQ Magazine - November 2008 - New Controllers (Page 66) EQ Magazine - November 2008 - New Controllers (Page 67) EQ Magazine - November 2008 - New Controllers (Page 68) EQ Magazine - November 2008 - New Controllers (Page 69) EQ Magazine - November 2008 - New Controllers (Page 70) EQ Magazine - November 2008 - New Controllers (Page 71) EQ Magazine - November 2008 - Analysis (Page 72) EQ Magazine - November 2008 - Analysis (Page 73) EQ Magazine - November 2008 - Analysis (Page 74) EQ Magazine - November 2008 - Analysis (Page 75) EQ Magazine - November 2008 - Analysis (Page 76) EQ Magazine - November 2008 - Analysis (Page 77) EQ Magazine - November 2008 - Analysis (Page 78) EQ Magazine - November 2008 - Analysis (Page 79) EQ Magazine - November 2008 - Room with a Vu (Page 80) EQ Magazine - November 2008 - Room with a Vu (Page Cover3) EQ Magazine - November 2008 - Room with a Vu (Page Cover4)
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