Free Beat Generator
Vanya Lamunyon
When we say royalty-free, we mean it. At SOUNDRAW, real producers create original beats in-house to train our Al model with. We never train our Al with other artists' music or sounds. This ensures everything on the platform is born from our original content, not borrowed.
If the two tones are played through headphones (one frequency in the left ear, another in the right ear) each ear receives a pure tone and no physical interference can occur. Amazingly, the majority of people will still perceive a beating sound which is a purely psychological effect and is known as a "binaural beat".
Use the Binaural Beat Generator below to investigate this effect yourself, and feel free to add your favourite frequency combinations to the comments section. Please note, headphones must be used for the effect to work (you will hear a beat if you use speakers but this is a physical phenomenon as opposed to a psychological one). Please remember the tone generator is currently only compatible with Firefox 4 or later.
Disclaimer: Binaural beats are widely available, simple in concept and published studies (see e.g. Helan Wahbeh, Carlo Calabrese, and Heather Zwickey. The Journal of Alternative and Complementary Medicine. January/February 2007, 13(1): 25-32) have shown that they can reduce levels of anxiety. However, binaural beats are the auditory equivalent of strobe lights and for certain beat frequencies they may affect the behaviour of brainwaves - a process called "entrainment". A well known example of entrainment is the practice of gently rocking a baby to sleep, and many people use entrainment for relaxation/meditation purposes. However, we recommend that you seek professional medical advice before use. You should not use the Binaural Beat Generator if you are under 18, pregnant, prone to seizures or suffer from a mental illness. OnlineToneGenerator.com accepts no liability for any adverse consequences that arise from using the Binaural Beat Generator and by pressing play you are agreeing to accept this disclaimer. If you are unsure or do not agree to this disclaimer, do not press play.
Pure tones played together interfere with each other when they are close in pitch but not identical. When each tone is sent to a different ear, there will not be any physical interaction between the waves, yet your brain still creates an interference inside your head: the so-called binaural beat. In order to create a binaural beat, each ear must receive its dedicated signal. Therefore, binaural beats only work through headphones.
Most binaural beat generators on the Internet use two carriers: one for each ear. We use 10 of them instead, creating the most complex beating patterns ever produced online! We also use the purest sine waves generated from a professional test tone generator, ensuring the clearest and deepest beats.
Zularic Repetitor is an 8HP rhythmic gate generator based on African music theory. A core pattern forms the basis and variation is achieved by offsetting this pattern in time relative to the base. Zularic Reptitor contains 30 mother rhythms from African, Indian, Latin, Funk and Rock roots. Each pattern outputs four parts and allows the offset of three parts relative to the mother rhythm via CV and knob. ZR requires only a beat clock to run, but also includes a measure / reset input to make sure all your parts remain in sync.
It may sound funny, but I thought about changes in the original project for around the past 3 years. The first time, the Binaural Beat Generator owner blew up pair of speakers at the concert, then one pair more at home.
Binaural Beat Generator is just a fancy name for a synthesizer with 2 sine sources (one for each channel) and no VCA, VCF, ADSR, LFO, at least it has an output volume control. As you see, the basic design is fairly simple. More tricky is an oscillator control part, but it is not important right now.
The logic core of my device is based on Arduino Nano, a small, cheap a popular ATMega328 microcontroller board. There are no complex calculations, so its limited processing power suits just fine. The most advanced task is controlling SSD1306 OLED display with SPI interface, but it also takes care of two Analog Devices AD9833 programmable waveform generators and handles encoder/button reading. As the generated signal levels are quite low, around 0,65 Vp-p, I used additional amplification 1,5x (basic opamp non-inverting application) to keep device output at the line consumer level (close to 0.9 Vp-p). Outputs of the amplifier are then high-pass filtered (C1, C2, R5, R6, cutoff around 15 Hz), to remove the DC component and protect against going too low (blown up speakers, remember?).
All components interface (except jog dial) are placed on the PCB, so no panel wiring is needed (yay!). I had a problem with the display, as it is not easy to fix firmly. With the help of my friend, I made a custom holder with a red filter. The combined display module has an exact height of 10 mm, so mode select buttons can be exactly 1,5 mm over the front panel. The Filter is 2,8 mm thick and dims displayed characters quite a lot (the price of deep, red color).
I bought a 1590BB style aluminum die-cast unpainted enclosure from Tayda Electronics. As I decided to go for a raw look, no additional sanding was needed (I know, great excuse). What is more important, aluminum collects fingerprints perfectly, which adds more rawness. After tough design decisions, using the Inkscape design, I printed the punching template, then punched threw it with a punch. And hammer.
This is my first case drilled with a press drill (Bosch PBD40). It is not ideal, but still a great improvement over the hand drill. The largest opening (for the jog dial) seems tough to cut evenly, but thanks to a clever 3D printed cover, the aesthetic was not so important (still, I prefer round-shaped, than egg-shaped ones).
The next step was careful sanding to leave a clean aluminum layer, to make the job of the chemical easier. I used 2000 grade sanding paper for a crude, rotary metal brush for precise, then isopropyl alcohol (IPA) for the finish. A Double layer of protective tape serves as insurance, aluminum under it will not be touched (still at high brush rotation speed it may be damaged without problem).
Using a small paintbrush I covered the polished and degreased part of the enclosure with NewComer brand, black aluminum oxide (a compound creating a black coating on aluminum). The case became black in a few minutes and my whole flat started to stink with rotten eggs (the magic of chemistry!). I wiped off any excess chemicals with a paper towel.
Back then I was happy, as the result seemed promising- the blackness was dull and deep, with slightly visible discoloration. As it was hard to oxide the internal edges of the holes, I later improved it with a black marker.
I sanded and degreased spots inside the case where spacers supposed to be glued and fixed them with the AutoWeld two-component epoxy resin. The conductive surface of the PCB is covered with a layer of protective lacquer (Kontact Chemie Plastik 70) and screwed to the spacers with nylon screws. Encoder and output Jack are connected using small universal PCBs for extra tidiness.
The bulky USB-C connector was originally a part of PC rear panel motherboard USB expansion, the only cheap way to put my hands on a panel-mounted USB-C socket (look for USB 3.1 Panel Motherboard Expansion Cable). At first, I just wanted to use a USB socket build-in Arduino Nano, but then I would lose some freedom of placement (not to mention the holes would have to be drilled perfectly).
I used the Arduino platform to program the Nano, the code is around 650 lines long. Most of it handles edge cases related to different operation modes, but the conversion from frequency to note symbol (with cent offset) was the most difficult task. The Arduino sketch can be found here.
The website provides free packs of loops for you to build different and varied beats. The packs are composed to sound good together. Each pack is designed to be harmonious in rhythm and tone by respecting a unique tempo and pitch. Hence, every combination of loops that you try will sound good to your ear.
Every pack is complete to make a good hip hop beat. They all necessarily contain a drum kit, melodies, chords, and bass. Moreover, ambient sounds, voices, or FX can be added to a pack. Concerning the drum loops, you will always find at least one of the following drum patterns: kick, snare, hi-hats, but of course, you can also encounter other kinds of percussion instruments as well. So, whether it is instruments like piano, saxophone, 808, bass, or percussion, voices, and FX, you will always find in any of our packs all the kinds of sounds you need to build a full beat.
Right now, you can play with 6 hip hop moods (Chill, Trap, Dark, Gangsta, Sad, Electro). In practical terms, that means you have more than a thousand loops you can have fun with when making your own beats. More will be added in the future to increase your creativity even more.
Fun Fact! Because the packs of sounds are used on a music pad shaped like a vinyl record, you are practically digging vinyl records in our library of sounds, just like the first Hip hop music producers did when they started the beat making practice by playing and scratching vinyls records on turntables.
However, packs with a crown icon are not cleared for commercial use yet. It means that the beats created with these packs of sounds can be shared in any way, as long as it is not for commercial or any kind of monetization purposes. In the latter case, please ask us for an authorization by mail.
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The Bleeding Hearts is a device that starves, bit crushes, splatters, and filters audio sources like no other. Feeding a gate signal to the Bleeding Hearts enables a whole new world of strange and random analog-generated movement. Each position of the 8-step sequencer can bleed into each other and interact with the destruction effect, creating gated and filtered splatters, glitches, and crunches that move to the beat of your patch.
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