UK artist and sound designer Robert Stevenson is the powerhouse behind Ahrdee, and his amazing Sound Effects keep rolling out and moving into our clients' productions around the world. From thumping heartbeats to bleeping heart monitors, and Sci Fi Red Alerts of aliens on board, to noisy Submarine diving bells, Ahrdee's SFX are a must-have for your ER medical dramas or full-throttle action movies.
A synthesised heartbeat at 139 BPM with whooshing Doppler ultrasound-type effect. A simulation of baby's heartbeat in womb: foetal cardiac ultrasound. It could also be used for the sound of the pulse rushing in any artery not just heart. Humans,
A synthesised heartbeat at 53 BPM with whooshing Doppler ultrasound-type effect. The sound could also be used for the sound of the pulse rushing in any artery not just heart. Humans,
A synthesised heartbeat at 87 BPM with whooshing Doppler ultrasound-type effect. The sound could also be used for the sound of the pulse rushing in any artery not just heart. Humans,
A simulation of a thumping human heartbeat accelerating from 65 bpm to 166 bpm in 48 seconds with a simulated medical monitor (EKG) bleep on each beat. Uses samples of real human heartbeat. Humans,
Made using real human heartbeat, 61 bpm, very bassy, loopable, reverbed. Note: can only be heard properly via speakers which can reproduce low frequencies. Humans,
A synthesised, but natural sounding, heartbeat effect accelerating from 73bpm to 200bpm in 65 seconds, with subtle stereo reverberation. NB: this recording can only be heard properly on devices which can reproduce low frequencies. Humans,
A deep synthesised, but natural sounding, heartbeat at approximately 72 BPM, stereo, loopable.
There are very slight variations in the beat frequency to make it sound more natural.
NB: this recording can only be heard properly on devices which can reproduce low frequencies. Humans,
Synthesised robotic heartbeat sounds at different speeds and pitches, (progressively slower and deeper). Designed for one beat sound to be selected from this group then looped at the desired rate. Humans,
A simulation of “ringing in ears” sound (tinnitus). Sometimes used after explosion or other loud sound effect. This sound will only be audible on devices which can reproduce high frequency sound. Humans, Annoyance
A deep synthesised heartbeat, with an alternate beat effect, speeding up from 60BPM to 138BPM in 60 seconds. Note: this recording can only be heard properly via speakers which can reproduce low frequencies. Humans,
A deep synthesised heartbeat, with an alternate beat effect, speeding up from 66BPM to 184BPM in 34 seconds. Note: this recording can only be heard properly via speakers which can reproduce low frequencies. Humans,
A deep synthesised heartbeat, with an alternate beat effect, speeding up from 70BPM to 142BPM in 40 seconds. Note: this recording can only be heard properly via speakers which can reproduce low frequencies. Humans,
A very deep synthesised heartbeat at 57 BPM with an alternate beat effect. Loopable. Note: this recording can only be heard properly via speakers which can reproduce low frequencies. Humans,
Thumping heartbeat effect with hint of rushing blood. Subtly increasing from 63 bpm to 70 bpm in 85 seconds. [ only properly audible on devices which can reproduce deep bass sounds ]. Humans,
