NOBLE AUDIO's first complete wireless earphone "Falcon" has been a hot topic in crowdfunding, and has a reputation as a well -known completely wireless earphone even after its general release.
Falcon2
その後継機種「Falcon2」をエミライが発表した。発売は10月30日、価格はオープンプライスで、店頭での販売価格は1万3900円（税別）前後になる見込み。
エミライでは「高品質と使いやすさはさらに進化する」というテーマを掲げているが、人気機種の待望の後継機としてFalcon2はどのように進化したのだろうか。本稿では新規に採用された完全ワイヤレスのためのキー技術を中心にその進化を見ていくことにする。
1. Adoption of new SoC
スペースの限られた完全ワイヤレスにおいてSoCは製品設計の要となる電子機器だ。Falcon2ではクアルコム社の最新のSoCである「QCC3040」を採用している。これによって次の二つの要素技術の使用が新たに可能となった。
1-1 Improves connection with TrueWireless Mirroring
In a complete wireless configuration of the left and right left and right, the connection was a problem, such as the sound of the left and right units."TrueWireless Mirroring" is a technology that solves it by left and right independent transmission.
Qualcom has previously had a left and right independent transmission method called "TrueWireless Stereo Plus", but the TrueWireless Stereo Plus method is limited because the sender's smartphone requires its own support, especially on Apple's iPhone.The big problem was that I couldn't do it.
TRUEWIRESSS Mirroing mechanism and QCC3040 block diagram
TrueWireless Mirroring has no restrictions on the compatible models by adopting a simple and non -A2DP profile restriction that the left and right units share the same Bluetooth address.The point that the left and right independent transmission is possible on the iPhone is a major progress.Android, which has a lot of OS fragmentation (division), will be effective in response to old models.
It is presumed that this has the same method as the Iroha McSync, which is said to have been customized and adopted in Sony's WF-1000XM3.For reference, if you read the Iroha patent (U. S. Patent 9,794,393 "Bluetooth Audio Packet Sharing Method"), the connection information (Link Inforcation) has been established with the first device (Link Information) to the other side when there are multiple Bluetooth devices.I say.In other words, at this point, the Bluetooth address is shared on the left and right.This method will become a trend in the future because the smartphone side is unnecessary.
Also, in Quarcom's TrueWireless Mirroring, as the name of the mirroring, the right and right units are appropriate in a timely manner to prevent the battery from reduction.
さらにFalcon2では新たにQCC3040の特性に合わせてアンテナ周りの設計をさらに見直して接続安定性を向上させた「High precision Connect Technology 2」も採用されている。これも含めてトータルでの接続性の向上が図られてるわけだ。