A characteristic of carbon microphones which is measured as noise at lower frequencies than the input signal, has been investigated at length for this paper. This phenomenon affects the transmission of speech in noise and must be taken into account when predicting intelligibility.
https://www.aes.org/e-lib/browse.cfm?elib=1020
Click to purchase paper as a non-member or login as an AES member. If your company or school subscribes to the E-Library then switch to the institutional version. If you are not an AES member and would like to subscribe to the E-Library then Join the AES!
This paper costs $33 for non-members and is free for AES members and E-Library subscribers.
Learn more about the AES E-Library
Start a discussion about this paper!