DOWNLOAD WINNING PRIOR ART HERE: https://www.unifiedpatents.com/insights/2025/3/17/2000-awarded-for-ingeniospec-eyewear-patent-prior-art Unified is seeking prior art on at least claim 21 of US-11657827-B2. The patent is owned by IngenioSpec LLC. The present invention pertains to a hearing enhancement system that enhances an individual's hearing based on a directional speaker. The patent has been asserted against LG. For more information about the patent: https://portal.unifiedpatents.com/patents/patent/US-11657827-B2 View the Similar Documents (patents + scholarly publications) generated by Google Patents: Patents: https://patents.google.com/?q=(~patent%2fUS11657827B2)&before=filing:20030415 Non-Patent Literature: https://patents.google.com/?q=(~patent%2fUS11657827B2)&before=filing:20030415&patents=false&scholar ** PLEASE READ THE RULES FOR THIS CONTEST BEFORE YOU DECIDE TO PARTICIPATE. ** ** TO QUALIFY FOR CONSIDERATION, A CLAIM CHART IS REQUIRED. ** ** PLEASE USE THE PROVIDED CLAIM CHART AS A TEMPLATE ** ** PRIOR ART THAT HAS BEEN PREVIOUSLY CITED DURING PROSECUTION WILL NOT BE CONSIDERED. **