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Seamless playback and switching for wireless communications devices

專利號(hào)
US11659466B2
公開日期
2023-05-23
申請(qǐng)人
Cypress Semiconductor Corporation(US CA San Jose)
發(fā)明人
Krishna Kishore Avadhanam; Ashish Kumar Malot; Robert Zopf
IPC分類
H04W36/30; H04W36/00
技術(shù)領(lǐng)域
sink,may,wi,fi,wireless,be,bluetooth,connection,device,discussed
地域: CA CA San Jose

摘要

Systems, methods, and devices seamlessly playback data files using one or more wireless connections. Methods include establishing a first wireless connection between a source device and a sink device, the first wireless connection using a first transmission protocol and transmitting audio data via the first wireless connection. Methods further include determining a switch should be initiated based on one or more signal quality metrics, the one or more signal quality metrics representing, at least in part, an estimate of a quality of the first wireless connection. Methods also include switching to a second wireless connection between the source device and the sink device, the second wireless connection using a second transmission protocol, and the second wireless connection using data packets encapsulated for transmission in accordance with the second transmission protocol.

說明書

As will be discussed in greater detail below wireless communications devices may be configured as source devices and sink devices in which data is transmitted from a source device to a sink device. In one example, a source device may be a music streamer that is configured to store and play digital music files, such as mp3s, WAV files, AAC files, FLAC files, or any other suitable digital format. In various embodiments, such digital music files may be streamed over a wireless connection to, for example, a wireless headset which may be a sink device. Accordingly, in this example, the streamer establishes a wireless connection with the wireless headset, and transmits data packets to the wireless headset.

As will also be discussed in greater detail below, the wireless headset and the streamer may both be capable of Bluetooth and Wi-Fi communication. Moreover, the user of the wireless headset may be moving. Accordingly, a distance between the streamer and the wireless headset may be variable. In such a situation, the Bluetooth connection may be better to use in some situations, and the Wi-Fi connection may be better to use in other situations. More specifically, if the user is within range, the Bluetooth connection may provide lower power consumption. If the user is farther away, the user may be out of range of the Bluetooth connection, and the Wi-Fi connection may provide higher signal quality. As will be discussed in greater detail below, embodiments disclosed herein are configured to dynamically identify and switch to a particular wireless connection to compensate for such changes in distance and position of source and sink devices, and ensure that overall signal quality and power consumption during streaming of such audio files is improved.

權(quán)利要求

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