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https://www.jianshu.com/p/054d85d6684e
Market & review 市场和评论
Canalys 对 2021 年第三季度个人音频市场的统计数据 - link 全球TWS耳机仅增长1.3%,其他品类下降,整体个人音频市场下降1.2%.
New products and features 新产品和功能
Jabra推出全新Jabra Elite 4 Active真無線運動耳機 - link(海外)IP57,入耳式設計,使用6mm單元,支持ANC。留意其支持Spotify Tap播放(Play your favorite songs and playlists)。 Jabra released new Elite 4 active TWS earphones - link Product webpage link
JBL 推出三款同一定价$150USD,不同取向的耳机:棒状Live Pro 2,豆状Live Free 2,运动款Reflect Aero - Link(海外)Live pro 2 official press release - link
JBL released serval new products in its gaming headphone range, including one TWS earphone with USB dongle which can be stored in charging case - Link. From the press release, it seems that it is still using standard compatible Bluetooth technology, but with dongle, it is possible to include non-compatible modifications.
小米发布真无线降噪耳机 3 ,整体性能与前不久发布的全能旗舰小米真无线降噪耳机 3 Pro 相差无几,而只是少了空间音频功能 - link1 link2
JBL 推出 2022 年款行動喇叭 - link (海外) JBL updated their portable speaker line: with Pulse 5 LED light speaker and BoomBox3 party speaker. - press release link
Sony发布了后置无线环绕喇叭SA-RS5,自带电池,可以和sony中阶soundbar组合提供360 spatial sound mapping技术 - link(海外) Sony product link
Panasonic released a new flagship LZ2000 OLED TV with upgrade sound feature: A front firing speaker array (an integrated soundbar) with upward firing and side firing speakers. Furthermore, users can adjust relative loudness in the different parts of the room with “pinpoint”, “area”, and “spot” modes. - link.
BTW, I did not find new sound features from Samsung, LG and SONY TV announcement in CES.
Noveto released its first sound product N1 with a desktop soundbar look - link. Product web link. It has two ultra-sonic arrays to generate a very narrow sound beam. The non-linear sub-harmonic components is in human hearing frequency range, and it is using 3D camera to detect the human ear position, so it can accurately beam the sound to both ears without cross-feed - in this sense, it is a binaural sound reproduction device.
华为和金康SERES赛力斯联合的AITO问界M5系列汽车,集成了华为Harmony OS智能座舱,包括HUAWEI SOUND音箱系统 - link
Some consumer products integrated sound feature: a mirror with smart speaker (link), and a smart bath tub with voice control (link)
Audio technology 音频技术
What’s Hi-Fi interview with Apple acoustic VP on AirPods 3 and Bluetooth - Link
In this article, burrowing earphone means inserting earphone. Geaves point out that 1. the adaptive EQ is used to compensate the response difference caused by individual fitting (which is borrowed technology from adaptive ANC). 2. Apple have an internal target response based on statistic, but also the critical listener’s subjective evaluation refines the sound signature, and involves pro audio sound engineers (especially for spatial audio) . 3. The HRTF currently used by spatial biaural renderer is a generalized/optimized one data set. The virtual speaker’s position changed with different source device. 4. There are data bandwidth conflict for the audio and for the motion sensor ( related to headtracking latency). The current Bluetooth bandwidth is not enough for lossless audio.
CEVA upgrades the Bluebud platform for headphones - link
xMEMS announces Montara Pro MEMS drivers with integrated DynamicVent - link
聆通科技 - OTC助听器/辅听耳机经验分享:算法的要点与难点 link
A new LE audio book “Introducing Bluetooth LE Audio” is just published by Nick Hunn in Amazon - link