Some listening attachments are more appropriate or effective than others. Microphones can make a big difference in quality of sound. They are often the most expensive part of a system. Directional mics might be good for focusing on picking up the speech from a talker. Am omni directional mic picks up sound from various angles and might be helpful during a conference.
Consideration needs to be given to number and placement.
Microphones ideally should not be stretched for more than 3 people to a mic. Programers need to realize when a pro audio sound contractor needs to perform an assessment. Sometimes consumers cannot set up an effective ALS using parts obtained from catalogues for residential use. If a consumer experiences problems with an ALD, troubleshooting is indicated. CART , which stands for computer assisted real-time transcription is a visual display of a speaker's words.