![]() Once paired with your Muse device, you’ll get access to Muse’s Meditation and Sleep Experiences that give you real-time audio feedback about your brain and body. Whether headset errors will be transmitted or not.The free Muse Meditation app works alone or together with all Muse: The Brain Sensing Headband devices. Number of millivolts remaining in the battery. If enabled, it is emitted every 10 seconds. Number of acc samples emitted per second. Set to 1 if accelerometer data is enabled.Īcc_units: string, can be "raw" or "gforce" Number of samples per second for DRL/REF data. Whether DRL and REF data is enabled or not. The eeg_output_frequency is equal to eeg_sample_frequency / eeg_downsample. ![]() Number of input samples per output sample. Layout of the channels emitted, using the 10-20 system. The speed of EEG data being sent from Muse in Hz.Įeg_channel_layout: string, e.g. The base sampling frequency before downsampling and filtering. Which frequency is being filtered, either 50Hz or 60Hz. Set to 1 if the 50Hz or 60Hz filter is enabled. If compression is on, then quantization messages will be emitted. Network protocol compression_enabled: bool, e.g. ![]() See below for a description of each field: An example of the config message payload might look like this: This maps to the Muse protocol buffer file format. The config data is emitted from MuseIO as one big string, formatted like JSON (i.e. muse/elements/experimental/concentration The transitions between high concentration and low concentration are usually abrupt, so the score is currently more of a “yes/no” type score instead of a gradient from 0-1. the range and the variations) haven’t been tuned since it is an experimental release. The concentration score is 1 when your attention is directed at something very particular and with high intensity. Warning: If you tense up your muscles, it can confuse this measure in that this value may go up when you do that. This value goes up when you are focusing on something particular, thinking about something with intensity, concentrating on something, waiting in expectation for something to happen, trying to solve a problem, or working your intellectual mind. This is based on gamma, but with additional processing to make it more reflective of the user’s experience. muse/elements/experimental/concentration f WARNING: This data stream is highly experimental and can change with each release – it may even disappear entirely! This means that when the headband is removed, the session data from any previous user will be cleared. Whenever the headset loses connection with the head (as determined by the DRL/REF contact quality) the estimated distributions are reset. ![]() ![]() The score will start being calculated as soon as the SDK has been started and the headband has established a good connection with the skin. The half-life of the estimated distribution at any given point is around 10 s. This means that eventually old values will not be present anymore in the estimated distribution. However, every time it’s updated, the newest values are weighted to have more importance than the historical values. The estimated distribution is continuously updated as long as the headband is on the head. Linear scoring between 0 and 1 is done for any value between these two percentiles.īe advised that these scores are based on recent history and it will take a few seconds before having a stable distribution to score the power against. This current value is mapped to a score between 0 and 1 using a linear function that returns 0 if the current value is equal to or below the 10th percentile of the distribution of band powers, and returns 1 if it’s equal to or above the 90th percentile. The band session score is computed by comparing the current value of a band power to its history. ![]()
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