NEPTUNE
NEPTUNE
Transform your Apple EarPods & AirPods (1st & 2nd Gen) into a World-Class Listening Device
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Overview
- NEPTUNE is a corrective audio signal processing software designed specifically to linearize both the frequency and group delay response of Apple EarPods.
- At the core of NEPTUNE is its custom-developed convolution engine, which is equipped with several highly optimized FIR correction filters and a highly realistic crossfeed algorithm to simulate free-field speaker listening.
- With emphasis on sound quality and performance, all NEPTUNE FIR filters have be fine-tuned for both pre-ringing and latency reduction.
- NEPTUNE is easy to use: simply wear your EarPods, then load the plug-in at the end of your master chain.
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Use Cases
- Mixing & Mastering: NEPTUNE processing is designed to simulate a near-perfect studio listening environment. Work with confidence knowing that whatever you are hearing is an accurate reflection of your source audio.
- Real-Time Recording: With Zero Latency Mode, you can hear your take as it happens in full resolution, allowing you to make informed spontaneous adjustments of your recording equipment or technique.
- Casual Listening: NEPTUNE is designed to deliver sound as artists, producers and engineers intended it to be heard. Uncover all of the subtle sonic details that may have previously been obfuscated.
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Frequency Response Without Neptune (45Hz - 20kHz)
Max: +21.1dB, Min: -10dB, Avg: +5.1dB
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Frequency Response With Neptune (45Hz - 20kHz)
Max: +3.5dB, Min: -5dB, Avg: -.9dB
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Group Delay Response Without Neptune (45Hz - 20kHz)
Max: +3.44ms, Min: -130μs, Avg: +685μs
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Group Delay Response With Neptune (45Hz - 20kHz)
Max: +692μs, Min: -16μs, Avg: +18μs
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Without Crossfeed
Without crossfeed processing (which applies to all headphone users without a software like Neptune or Crossfire), headphone listening, and specifically the stereo field, sounds unnatural. This often leads to a hyper-localized soundstage and exaggerated stereo separation.
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Crossfeed Explained
Crossfeed distinguishes speaker from headphone listening. In headphones, each ear receives its respective stereo channel directly. With speakers, low and mid-frequency sounds from both channels leak into both ears with a slight delay, known as the Inter-Aural Time Difference (ITD).
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Perceptual Differences
When crossfeed processing is applied, headphone listening sounds more natural and comparable to speaker listening. Specifically, low and mid-frequency sounds with stereo information will not give the impression of strict separation between the two audio channels.
Hear the Difference
Experience the power of Neptune firsthand by wearing your Apple EarPods or AirPods (1st & 2nd Gen) and listening to the examples below.
Key Features
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- Frequency Response Correction
- Group Delay Response Correction
- Realistic Crossfeed Emulation
- Linear Phase Mode
- Zero Latency Mode
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- 3.5mm to 1/8in Adapter Compensation Mode
- Input/Output Clipping Indicators
- Input/Output Gain Sliders
- FIR Filters Optimized for Pre/Post-Ringing Reduction
- Optimized for Low CPU Usage