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AAERT- DCR
Digital Court Reporting
| Question | Answer |
|---|---|
| What device is used to change an analog audio signal into a digital audio signal? | Analog to digital converter, also commonly called an ADC |
| The two most important factors in the quality of the new digital audio are the? | Sample rate and the bit depth |
| What are the two most commonly used sample rates for recording digital audio? | 44.1 kHz and 48 kHz |
| What are the two most common bit depths for recording digital audio? | 16 bits and 24 bits |
| For the purpose of digital reporting, AAERT recommends that you select between what two types of microphones? | Dynamic and condenser microphones |
| Dynamic microphones are also known as? | Moving coil microphones |
| What type of microphone requires an external power source, either via batter or phantom power? | Condenser Microphone |
| This type of microphone consists of a front plate (diaphragm), back plate, and a 48 volt power source. The front and back plate together create a capacitor. | Condenser Microphone |
| Why does the AAERT suggest NOT to power a condenser microphone via a battery? | If the battery dies mid-proceeding, you would need to interrupt the proceeding to change out the battery. |
| Regardless of whether you are using a dynamic or condenser microphone, the microphone that you use will have a defined pick-up pattern. What are the two most commonly used pickup patterns for digital court reporting? | Cardioid (or unidirectional) and omnidirectional. |
| This pick-up pattern also known as unidirectional is named after the Greek word kardioeidḗs meaning heart shaped, and for good reason? | Cardioid |
| This pick-up pattern is beneficial for capturing a single voice located in front of a microphone while rejecting additional ambient room sound from behind the microphone and lower sensitivity to the sides. | Cardioid |
| This pickup pattern picks up sound equally from all directions | Omnidirectional |
| How many mics do you place on a 4 foot or smaller round table? | 2 |
| How many mics do you place on a 4 foot or larger round table? | 3 |
| How many mics do you place on a 4 foot or smaller square table? | 3 |
| How many mics do you place on a 4 foot or larger square table? | 3 |
| How many mics do you place on a rectangular table? | 3 |
| In order to ensure a good quality recording, the minimum number of channels recommended for court proceedings is? | 4 |
| What is the preferred 4 channel distribution? | 1-Judge 2A-Witness 2B-Clerk 3-Defendant's counsel 4-Plaintiff's counsel |
| Using the preferred AAERT mic set up in court what would be the best channel to use for the jury? | Channel 2 because no witness/s will be on the stand at that time. |
| What is the logical assignment for a sidebar microphone. | 1-Judge |
| If counsel give their opening and/or closing statements to the jury from a position directly in front of the jury box, a floor-stand microphone works well, assigned to the same channel as the podium microphone. What channel should this be? | 3 or 4 |
| What are two methods for testing a microphone? | speak into the microphone and identify it ("Testing judge's microphone 1"), and lightly scrape the windscreen with your fingernail. This second test is commonly called a "scratch test." |
| What should you recite during a line check while checking your first microphone, to help ensure you can properly identify what proceeding the audio file is for? | The date |
| What should your first annotation for the day be in a log? | The testing of the recording equipment. |
| When the proceedings are moving along so fast that you simply cannot "do it all," what are the three most important things you must notate to ensure proper transcription? | 1. Speaker Identification 2. The notes 3. Timestamping |
| Where do you write down spellings of key words, such as names and other proper nouns, addresses, unusual phrases, and technical jargon? | The notes section |
| When estimating transcript pages, a common rule of thumb is that one hour of recordings generates about? | 40 pages of 25-line text. |
| What is the formula to estimate how many pages of transcript a recording will produce? | Total length of audio in minutes, not counting recesses and other off-the-record time, divided by 60, then multiplied by 40. |
| How many transcript pages if Your annotations show a start time at 01:38:12 and an end time at 05:35:06, a total of 3 hours, 23 minutes and 30 seconds. (Ignore the seconds!) | 135 transcript pages- That adds to 203 minutes, which divided by 60 gives 3.38 hours, which times 40 equals about 135 transcript pages. If any off the record discussions or recesses were taken, deduct it from the total minutes. |
| How should you mic an easel? | Conversations at an easel will most likely occur between counsel/ witness. Treat the easel as a secondary podium location, and assign it to that channel. |
| What is sample rate? | The number of times per-second the ADC takes a "snapshot" of the voltage of an analog audio signal. Higher sample rates will produce smooth, clear audio. Lower sample rates will lose fidelity in treble frequencies. |
| What term refers to the speed at which data is transferred in a digital audio file? | Bit rate |
| What is the preferred polar pattern for all applications? | Cardioid |
| What type of microphone should be used as an emergency backup for odd locations, such as a doctor's office, deponant's home, or in any location with an unexpected number of participants? | Omnidirectional |
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