US 12,439,205 B2
Directional sound recording and playback
Eric Jay Alexander, Orem, UT (US)
Filed by Eric Jay Alexander, Orem, UT (US)
Filed on Dec. 7, 2023, as Appl. No. 18/532,959.
Application 18/532,959 is a division of application No. 17/724,420, filed on Apr. 19, 2022, granted, now 11,863,949.
Application 17/724,420 is a continuation of application No. 16/267,143, filed on Feb. 4, 2019, granted, now 11,310,597, issued on Apr. 19, 2022.
Prior Publication US 2024/0107232 A1, Mar. 28, 2024
Int. Cl. H04R 3/04 (2006.01); H04R 5/027 (2006.01); H04R 5/033 (2006.01); H04R 5/04 (2006.01); H04S 3/00 (2006.01); H04S 7/00 (2006.01)
CPC H04R 3/04 (2013.01) [H04R 5/027 (2013.01); H04R 5/033 (2013.01); H04R 5/04 (2013.01); H04S 3/004 (2013.01); H04S 7/307 (2013.01); H04R 2420/07 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A headphone system for playback of recorded sound with enhanced perception of sound localization by a user of the headphone system, comprising:
a right earpiece comprising:
a right main speaker located in a first area of the right earpiece; and
a right localization speaker located in a second area of the right earpiece; and
a left earpiece comprising:
a left main speaker located in a first area of the left earpiece; and
a left localization speaker located in a second area of the left earpiece, wherein:
the headphone system is configured to receive multiple types of input including:
a two-channel input comprising a right channel input and a left channel input; and
a four-channel input;
the headphone system is configured to distinguish between the two-channel input and the four-channel input; and
when the headphone system receives the two-channel input, the headphone system converts the two-channel input into a simulated four-channel input comprising:
a first input comprising the right channel input;
a second input comprising a modified version of the right channel input;
a third input comprising the left channel input; and
a fourth input comprising a modified version of the left channel input
delivers the first input to the right main speaker;
delivers the second input to the left localization speaker;
delivers the third input to the left main speaker; and
delivers the fourth input to the right localization speaker.