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Recording and Post-Production Methodologies

Purist "Single Pair" Recordings
Lucid uses a single pair of matched microphones strategically placed to capture the sound of the performers with the right balance of 'ambience' from the hall.  Traditionally, the ORTF arrangement (mics spaced at the width of the human head, and angled 110 degrees apart) is used, as it provides excellent results on both headphones and loudspeakers.  An AEA SMP-17 microphone positioner is used to ensure proper alignment for the best sound.
 
Surround Sound
Soundfield ST-250 Surround Sound B-Format MicrophoneLucid has one of the incredible Soundfield ST-250 "B Format" surround sound microphones that allows us to capture sound from all directions onto 4 separate tracks.  The 4 recorded tracks from the B-format microphone are run through special software during post-production that allows us to create numerous 'virtual' microphones from this single B-format set of tracks.  For example, we can create any of the following mic types: Omni, Cardioid, Hyper Cardiod, Figure of 8, or any other pattern in-between.  We can aim the directional 'virtual' mics in any direction in three dimensions, front to back, left to right, and up to down.  We can create special microphone sets, such as an XY set of Cardioids or Figure 8's.  We can create sets of mics optimized for Dolby Digital surround sound.  Or we can create an XY set pointing back into the audience for hall ambience, for applause, or to pick up an antiphonal organ rank or choir.  The possibilities are endless, and the decisions don't have to be made until after the recording.  
 
B-Plus
Often the best recordings are those that capture the sound of the artists with the purist "Single Pair" of ORTF microphones, while capturing the 'surround' ambience of the hall with the B-Format Soundfield microphone.  These 6 channel recordings of "B-Format PLUS Single Pair" are known as B-Plus Format
Multi-Track
Sometimes the 'purist' recording techniques don't provide the best results due to the nature of performing group or the performance hall.  The group might be amplified, or might be performing in a dead space.  The sound of the hall may not be all that good.  In these cases, it is often best to fall back to 'multi-track' recording, where each instrument and/or group of voices is mic'd separately.  This allows greater flexibility in post-production to adjust the relative level of all of the different parts.  However, it also results in a very 'dry' recording, which is usually not all that pleasing without additional processing.  Therefore, artificial 'sweetening' in the form of digital reverb and eq are usually needed to achieve the best sound.  Lucid has a variety of quality reverbs available, including the excellent "Pristine Space" convolutional reverb that allows creation of reverbs that are incredibly realistic sounding.

Lucid utilizes all of these methodologies, depending upon the nature of the recording and the desired results.  We prefer the B-Plus methodology in most cases, as it provides the excellent imaging and ability to accurately capture the performance in the live space using the "Single Pair", while also allowing the full capture of the acoustics of the space in 3 dimensions using the "B Format" microphone.  In addition, B-Plus recordings allow a lot of flexibility in post-production to get the right balance of direct and ambient sound into the final recording.  

 

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Last modified: January 07, 2012