Head-wearable apparatus to generate binaural audio

A pair of eyeglasses comprising:

• a frame to carry a pair of lenses;
• a camera coupled to the frame, wherein a camera lens of the camera faces in a forward direction;
• a first stem coupled to a first side of the frame and to a first microphone housing that encases a first front microphone and a first rear microphone that generate acoustic signals, respectively,
• the first microphone housing includes a first front port that faces in a downward direction and a first rear port that faces in a backwards direction,
• a second stem coupled to a second side of the frame and to a second microphone housing that encases a second front microphone and a second rear microphone that generate acoustic signals, respectively,
• the second microphone housing includes a second front port that faces in the downward direction and a second rear port that faces in the backwards direction;
• and
• a binaural audio processor that includes
• a beamformer to generate
• a first beamformer signal based on the acoustic signals from the first front microphone and the first rear microphone, and
• a second beamformer signal based on the acoustic signals from the second front microphone and the second rear microphone, and
• a storage device to store the first beamformer signal and the second beamformer signal as a two-channel file.

A method of generating binaural audio content using a head-wearable apparatus comprising:

• generating acoustic signals by a first front microphone and a first rear microphone, respectively, wherein the first front microphone and the first rear microphone are encased in a first microphone housing that is coupled to a first stem of the head-wearable apparatus;
• generating acoustic signals by a second front microphone and a second rear microphone, respectively, wherein the second front microphone and the second rear microphone are encased in a second microphone housing that is coupled to a second stem of the head-wearable apparatus, wherein the first stem and the second stem are coupled to opposite sides of a frame of the head-wearable apparatus;
• decoding, by a first audio codec, the acoustic signals from the first front microphone and the first rear microphone to generate a first decoded acoustic signal, wherein the first decoded acoustic signal is a pulse code modulation (PCM) signal based on the acoustic signals from the first front microphone and the first rear microphone;
• decoding, by a second audio codec, the acoustic signals from the second front microphone and the second rear microphone to generate a second decoded acoustic signal, wherein the second decoded acoustic signal is a PCM signal based on the acoustic signals from the second front microphone and the second rear microphone;
• processing, by a time-division multiplexer (TDM), the first decoded acoustic signal and the second decoded acoustic signal to generate a TDM-processed signal, wherein the TDM-processed signal includes the first decoded acoustic signal and the second decoded acoustic signal;
• beamforming the TDM-processed signal by a beamformer, wherein beamforming the TDM-processed signal includes
• beamforming the first decoded signal to generate a first beamformer signal, and
• beamforming the second decoded signal to generate a second beamformer signal;
• and
• storing by a storage device the first beamformer signal and the second beamformer signal as a two-channel file.