Re: [心得] 新手便宜聲霸心得
: → jhs1213: 話說netflix好像把atmos混了一個2聲道音軌(沉浸式音效) 02/04 15:27
https://www.stuff.tv/features/what-is-netflix-spatial-audio-the-immersive-sound-experience-explained/
The tech is powered by Sennheiser’s Ambeo 2-Channel Spatial Audio, which
splits an original mix into two channels of audio that deliver a spatial
experience beyond stereo. AMBEO enhances stereo audio without the need for
surround sound speakers or home equipment, but according to Netflix, its
spatial audio feature is primarily optimised for laptops and tablets. Results
and quality will also vary depending on your home viewing gear, though.
https://help.netflix.com/zh-tw/node/126405
立體聲或 Dolby Atmos
如果您有環繞音響，建議您以 5.1 環繞音效或 Dolby Atmos 觀賞節目與電影。
多數單件式音響都支援 5.1 或 Dolby Atmos，且預設會以這些格式播放。 部分單件式立
體音響會以 Netflix 沉浸式音效播放。 詳情請洽單件式音響製造商。
以立體聲觀賞支援的節目或電影時，沉浸式音效會自動啟用。
大致上是這樣吧! 我也還沒有認真去重新體驗到底有何差別 XDD
--
既然是sennheiser的技術，難道在自家聲霸會有加乘效果?
搞不好直接用 Netflix 沉浸式音效 播放 而非 Dolby Atmos
理論上讓soundbar自己去混成2(2.1)比較強 可以根據自己
裝置的特性跟環境去混，但其實不相信廠商有這麼下功夫
沉浸式音效看新聞最早 怪奇物語 就有試用，或許已經有人
不經意地體驗過
之前沒給獨立標籤，大概有體驗倒也不知道是這個東西
晚上有空我來試試看星際效應UHD、網飛、BD的差別，收到
網飛的email，但還沒去比過
基本上你看到「沉浸式」通常就意味是「物件式」3D音訊
不過你把 Object-based 音源丟給立體聲喇叭...會有多沉浸
他是先混音好的 宣稱比原本兩聲道的混音效果好
網飛的技術可能是安裝在平台後端的插入式處理器/系統
將串流媒體音訊內容即時編碼、空間化處理、解碼成立體聲
以往都是用戶自己使用virtualizer app去轉換環繞音軌
杜比自家的Atmos渲染器也支援從母帶輸出虛擬環繞立體聲
現在等於是網飛用聲海的技術先幫你做這件事
聲海很明顯要賣它的服務 AMBEO可以直接讀取網飛影片母帶
netflix先存成音軌就好，用空間換效能
助聽器DSP都能11毫秒內完成收音轉數位訊號再轉類比聆聽
我想對網飛伺服器來說 要即時進行虛擬環繞運算並非難事
同時會有很多人用為何要每個都即時轉 靜態資料成本低很多
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