Search results
Results from the WOW.Com Content Network
Each Holter system has hardware (called monitor or recorder) for recording the signal, and software for review and analysis of the record. There may be a "patient button" on the front that the patient can press at specific instants such as feeling/being sick, going to bed, taking pills, marking an event of symptoms which is then documented in the symptoms diary, etc.; this records a mark that ...
Astronaut Clayton Anderson trains for Expedition 14 Holter operations with instructor Ashley Weaver at the Johnson Space Center in Houston. The Human Research Facility Holter Monitor (Holter) is a battery-powered, noninvasive electrocardiogram (ECG) device that accurately measures the heart rate of crew members over an extended period of time (up to 24 or 48 hours).
There are many different types of cardiac monitors. In personal use, the Holter monitor is an external monitor which uses wires with patches that attach to the skin to continuously measure and record heart activity for 1–2 days. [5] An Event Recorder can be worn on the body for up to 30 days. [6]
[12] A line of Pressure zone microphones (PZM) was introduced by Crown in 1980, [2] culminating in the PZM-30 series in 1990. [17] Other microphones introduced by Crown included the PCC-160 directional boundary microphone in 1986, the tiny GLM series and the patented Differoid CM310 in 1987. The SASS stereo microphone was patented in 1989.
Digital audio recorders are fundamentally high bit-rate data recorders storing PCM encoded audio data. The main advantage of any digital recording medium is that of consistent, flat frequency response, high dynamic range audio reproduction compared to analog tape recorders, which is why some of the first uses of digital audio recording were for ...
Modern accessories used in the field include, but are not limited to: windscreens (foam, fur, hair, parabolic reflector), shock mounts, microphone cables, digital audio recorders and so on. [1] Field recording is typically recorded in the same channel format as the desired result, for instance, stereo recording equipment will yield a stereo ...
Freddie Mac reports an average 6.72% for a 30-year fixed-rate mortgage, up 12 basis points from last week's average 6.60%, according to its weekly Prime Mortgage Market Survey of nationwide ...
The H4 is shorter than a pencil Field recording with H4 on a simple tripod H2 and H4 with 10 eurocents for scale. The H4 Handy Recorder is a handheld digital audio recorder from Zoom, featuring built-in condenser microphones in an X-Y stereo pattern, [1] priced from around US$280 depending upon memory capacity as of 2011.