Handheld electronic device

A mobile phone comprising:

• a housing defining a microphone port and a speaker port along a side surface of the housing and a receiver port along a front surface of the housing;
• a display positioned within the housing;
• and
• an internal module positioned within the housing and comprising:
• a microphone operably coupled to the microphone port by a first passage;
• a pressure sensor operably coupled to the microphone port by a second passage;
• and
• an acoustic mesh positioned at an end of the second passage and configured to reduce acoustic interference between the first passage and the second passage.

An electronic device comprising:

• a housing comprising:
• a housing member defining a set of side surfaces of the electronic device, the housing member defining an audio port in a side surface of the set of side surfaces;
• and
• a front cover defining a front surface of the electronic device;
• a display positioned below the front cover;
• and
• an internal module positioned within the housing below the display and comprising:
• a microphone configured to detect an audio input at the audio port via a first passage;
• a pressure sensor configured to measure an external pressure at the audio port via a second passage;
• and
• a baffle separating the first passage from the second passage.