Core Viewpoint - Sony has officially announced the gradual cessation of all Blu-ray recorder shipments, marking its complete exit from the home Blu-ray recorder hardware market and symbolizing the end of the "play + record" Blu-ray hardware ecosystem [1][2]. Group 1: Sony's Announcement and Market Impact - Sony's decision affects Blu-ray recorders with recording capabilities, including recent models like the BDZ-ZW1900 and BDZ-FBT4200 [2]. - Standard Blu-ray players and ultra HD Blu-ray players are not currently announced for discontinuation, allowing consumers who only wish to play purchased movie discs to still have options available [3]. Group 2: Historical Context of Blu-ray Technology - Blu-ray technology was introduced in 2002 by Sony in collaboration with Philips and Panasonic, utilizing a 405nm wavelength blue-violet laser, allowing a single disc capacity of 25GB, five times that of DVDs [4]. - The first consumer Blu-ray recorder, the BDZ-S77, was launched in 2003 at a high price of 450,000 yen (approximately 20,000-30,000 RMB), making it unaffordable for average households [4]. - A significant turning point occurred when Sony integrated a Blu-ray drive into the PlayStation 3, which greatly popularized Blu-ray hardware [6]. Group 3: Competition and Market Evolution - The format war between Blu-ray and HD-DVD, which lasted over seven years, ended in 2008 when key movie studios and retailers sided with Blu-ray, leading to HD-DVD's withdrawal from the market [8]. - Following this victory, Blu-ray became the sole high-definition disc standard, and Blu-ray recorders gained popularity, especially in Japan, where recording and archiving TV programs became a mainstream culture [9]. Group 4: Decline of Blu-ray Recorders - The rise of streaming services like Netflix and Disney+ has shifted consumer habits from purchasing physical discs to on-demand viewing, leading to a significant decline in Blu-ray recorder sales [11]. - Major companies like Panasonic and LG have already exited the Blu-ray recorder market, with Sony also halting production of recording Blu-ray discs by February 2025 [12]. - Despite the convenience of streaming, Blu-ray discs still offer superior picture quality, particularly for high-end formats like "dual-layer Dolby Vision," which is not fully supported by most streaming services [13].