随着人工耳蜗（cochlear implant, CI)植入标准的放宽，越来越多保留残余听力的聋患开始使用CI联合助听器（hearing aid, HA）的声电联合刺激（electric-acoustic　stimulation，EAS）模式。已有研究表明EAS刺激模式对CI使用者的言语感知具有积极影响，但对音乐感知的影响尚不明确。因此我们拟对CI＋HA双模式的使用者进行不同刺激情形下的音乐及言语感知表现进行系统评估，从而明确EAS模式对CI使用者音乐感知的作用。同时我们拟对CI使用者的残余听力与听觉言语表现进行重点相关分析，从而探讨残余听力如何影响CI使用者音乐言语感知表现。此外，临床上尚未有标准的HA与CI的调试匹配方案，这可能引起声电信号相互干扰，削弱CI使用者的听觉感知。因此我们拟采用三种不同的频率配置方案探究如何优化声电信号的频率匹配，从而提高CI使用者听觉感知表现。

As cochlear implant (CI) criteria widen, more candidates with usable residual hearing in the contralateral ear are being considered for cochlear implantation. Although studies had showed that electric-asoustic stimulation would benefit the users speech perception performance, it’s not clear that whether EAS would also benefit the Mandarin-speaking users’ music perception. Moreover, how the residual hearing affect the EAS users’ music perception performance is still need to be investigated. Mandarin speech perception tests and musical contour will be tested in three stimulation modes (CI-only, HA-only, and CI+HA) respectively. All subjects’ residual hearing will be collected as well. Multiple comparison of speech and music perception performance will be done across all stimulation modes. The relationship between the residual hearing and the performance would also be analyzed. Note that the bimodal fitting procedure of hearing aids (HAs) and CIs is not well established as standard clinical practice. The frequency-to-electrode allocation is usually based on standard mapping. We will use three different frequency-to-electrode allocations (standard mapping, no overlap, and reduced overlap) to investigate how to maximam the match of incoustic input and CI’s electric input. The music and speech perception performance will be compared across all conditions.