An expert's breakdown of the DR60

The Panasonic RR-DR60, a digital voice recorder originally designed for dictation, has garnered significant attention within the paranormal field. Its transition from a utilitarian office tool to a highly sought-after piece of equipment  in the paranormal field warrants a closer examination of its perceived utility and the phenomena associated with its use.

 


The Panasonic DR60

The Panasonic RR-DR60, when it was in production, offered a straightforward digital audio recording solution. Originally intended for dictation by academics and professionals, it began to attract paranormal enthusiasts because of it's Voice Activated System (VAS) which would record when it heard audio, but stop recording when it heard silence. This made it significantly easier for paranormal investigators to look for EVPs - or electronic voice phonomena - which refer to unexplained sounds and voices in recordings that some attribute to the paranormal. 

The DR60 was discontinued in the 90s as audio recording technology improved. Since then, it has become widely popularized due to a combination of its use on mainstream paranormal TV shows, and for whisper-like sound anomalies that it tends to capture, which many believe could be paranormal in nature. Unfortunately, due to it's popularity and scarcity, these devices fetch thousands of dollars on online marketplaces, making them an extremely expensive peice of equipment to add to your paranormal kit that is out of reach for most.

 

Theories for the observed anomalies

Many have put forward their own theories for the mysterious sound anomalies that have contributed to the DR60's popularity (see resources below), though none have been able to definitively conclude on the cause.

At GhostTube, we are not only a team of seasoned paranormal investigators, but also skilled software and sound engineers spanning years of experience in creating tools intended to capture and process audio. Based on our extensive experience and experiments with the RR-DR60 device, we've compiled our own list of theories that could explain the phenomena: 

  1. Inadequate shielding from external interference such as electro-magnetic fields, radio waves etc resulting in audio anomalies.
  2. Broad frequency response of the DR60's microphone and internal circuitry that could capture or amplify sound at frequencies at the edge of human hearing.
  3. The Voice Activated System (VAS) - A feature designed to cut in when it hears audio while cutting out moments of silence, possibly concatenating subtle sounds that had been captured together that sometimes sound like voices.
  4. Memory and/or low battery issues causing malfunction, resulting in memory being incorrectly overwritten with misplaced audio.
  5. A predictive sound compression algorithm that relied on a codebook of modelled speech patterns to more efficiently process audio, with inaccurate predictions possibly resulting in anomalous sounds.
  6. Auditory pareidolia - a common bias that can be introduced into any paranormal experiment where by the brain perceives meaningful patterns in randomness, made more likely by the device's poor audio quality.

 

Caveats when using the DR60 on an investigation

While many in the paranormal community dismisses the RR-DR60, it's worth noting that many of the theories surrounding its anomalous audio bear striking resemblances to other investigative techniques that are widely accepted. Consider, for instance, the common hypothesis that electromagnetic fields (EMF) represent residual paranormal energy, driving the use of EMF meters in investigations. If investigators are open to exploring the potential influence of EMF on environmental readings, it logically follows that investigating the RR-DR60's susceptibility to similar external interference would be a parallel line of inquiry. However, it's crucial to acknowledge that the paranormal itself, and by extension these theories concerning the RR-DR60, remain largely theoretical and unproven.

As with all tools and experimental approaches in paranormal investigation, a healthy dose of skepticism is paramount. No single device has been scientifically validated as enabling direct communication with alleged entities or definitively proving their existence. Therefore, the RR-DR60, like any other piece of equipment, should be approached as an experimental tool for exploring theoretical possibilities, rather than a definitive means of communication or detection. These inherent limitations and the need for rigorous, critical evaluation apply universally to all equipment used in the paranormal field, not exclusively to the RR-DR60.

 


The GhostTube DR60 Emulator

GhostTube EVP provides a fully functional emulation of the discontinued DR60 voice recorder. Our emulation attempts to closely matches the sample rate, bit depth, audio boosting features and voice activated system (VAS) of the famed DR60, so now you can try it in your investigations risk-free without spending thousands of dollars online. We've even leveraged the magnetometer sensor in your device to modulate sounds from external magnetic interference to aid in testing some of the theories for the DR60's strange sound anomalies.

We encourage users to use and enjoy the GhostTube EVP DR60 emulator on their investigations. But as always, we remind investigators to consider how their tools work when interpreting results, understand the underlying theories behind each experiment they conduct, and the limitations of these experiments. Use responsibly, and never rely on any perceived sounds as fact, instructions, requests or to make any important life decisions.

 

Download GhostTube EVP


Useful resources

Bäckström, T et al. (n.d.) Code-excited linear prediction (CELP)
https://speechprocessingbook.aalto.fi/Transmission/Code-excited_linear_prediction_CELP.html

Costalla, J. (2022) Hearing Ghosts? EVP and the DR60 
https://johncostella.com/ghosts/

Panasonic, (n.d.) Panasonic RR-DR60 Operating Instructions, accessed via: 
https://www.manualslib.com/manual/304890/Panasonic-Rr-Dr60.html

Panasonic, (1998) Panasonic RR-DR60 Service Manual, accessed via:
https://www.scribd.com/document/797804935/Panasonic-RR-DR60-Service-Manual



Back to blog