Experiments proves that the theoretics tallies with reality, the data transmission is reliable and the voice transmission quality is better.

实验表明，该方法理论与实际相符，数据传输可靠，语音质量良好。

youdao

Any significant form of delay, whether delay of all samples or one sample relative to the other, can significantly degrade the quality of the voice signal recreated at the far end of the transmission.

任何重大延误形式，不论所有样品或延误样品相对于其它一、可以大大降低质量的声音信号重现尽头传送。

youdao

The incoming 3g could not only support the existing mobile operations, but also broad band video operations high quality voice packet data transmission and real time video communication.

呼之欲出的第三代(3 G)移动通信不仅能提供现有的各种移动电话业务，还能提供高速率的宽带视频业务，支持高质量的话音、分组数据业务以及实时的视频传输。

youdao

In October the company launched its global area network (GAN), which offers a mobile integrated services digital network (ISDN), ideal for video conferencing, image transfer and high-quality voice transmission.

FORBES: Down To Earth