Jeongho Park jeongho

Audio Optimization Algorithm

How I applied mathematical optimization to solve the audiophile value problem

Note: Pricing as of June 2025

A carefully curated collection of 22 reference tracks for evaluating audio equipment, organized by sonic characteristics and musical genres.

How cascading independent tube buffer components creates superior harmonic complexity

	--# postgresql 12 high availability cookbook ch14: creating a scalable nextval replacement
	--## this example has 2048 shards (schemas) and 2048 unique values per millisecond (seq % 2048)
	--# ref: [Sharding & IDs at Instagram](https://instagram-engineering.com/sharding-ids-at-instagram-1cf5a71e5a5c)

	CREATE SCHEMA shard;
	CREATE SEQUENCE shard.table_id_seq;

	CREATE OR REPLACE FUNCTION shard.next_unique_id(
	shard_id INT
	)

	# haproxy -v
	# HA-Proxy version 2.3.14-83c5b44 2021/09/07 - https://haproxy.org/
	# Status: stable branch - will stop receiving fixes around Q1 2022.
	# Known bugs: http://www.haproxy.org/bugs/bugs-2.3.14.html

	# Self-signed SSL certificate
	# https://gridscale.io/en/community/tutorials/haproxy-ssl/
	# openssl req -nodes -x509 -newkey rsa:2048 -keyout /etc/ssl/private/test.key -out /etc/ssl/private/test.crt -days 3650
	# writing new private key to '/etc/ssl/private/test.key'
	# -----