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Simulated DECREASE signal to noise ratio in the decoded digital audio signals depending on the coefficient of single-bit errors in wireless links

机译:根据无线链路中单比特错误的系数,在解码的数字音频信号中模拟DECREASE信噪比

摘要

1. A method of providing a sound quality indicator received digital broadcast, comprising the steps of: receiving a digital broadcast digital radio (210), determining the quality of the received digital broadcast based on the received signal level indicator, and a bit error rate of coded digital broadcast received; audio message decoding from the received digital radio; inalozhenie at least one of said first and second audio indicator on the voice message for generating a composite audio signal, said first audible indicator is superimposed in response to a received signal strength indicator is below a predetermined threshold, and said second audible indicator is superimposed in response to said the coded bit error rate exceeding the second predetermined threshold, wherein said first audible indicator of other Cf. eniyu with said second audio indikatorom.2. A method according to claim 1 wherein the blending step comprises the imposition of said audible indicator only if said received signal exceeds a third predetermined porog.3. The method of claim 1, wherein the level of the received signal indicator is below said first threshold in said digital receiver and said first audible indicator is applied to the audio in the second digital post radiopriemnike.4. A method according to claim 1, further includes selectively disabling audio indicator depending on the user input signal in the decree
机译:1.一种提供接收到的数字广播的声音质量指示符的方法,包括以下步骤:接收数字广播的数字无线电(210),基于接收到的信号电平指示符确定接收到的数字广播的质量以及误码率收到的编码数字广播的数量;来自接收到的数字无线电的音频消息解码;至少在语音消息中至少所述第一和第二音频指示符中的一个用于生成复合音频信号,所述第一可听指示符响应于接收信号强度指示符低于预定阈值而被叠加,并且所述第二可听指示符被叠加在响应于所述编码误码率超过第二预定阈值,其中所述第一可听指示符为其他Cf。 eniyu和第二个音频indikatorom.2。 2.根据权利要求1所述的方法,其中,所述混合步骤包括仅在所述接收信号超过第三预定功率时才施加所述可听指示符。 2.根据权利要求1所述的方法,其中,在所述数字接收机中,所接收的信号指示符的电平低于所述第一阈值,并且将所述第一可听指示符应用于第二数字后无线电priemnike.4中的音频。 2.根据权利要求1所述的方法,还包括:根据所述命令中的用户输入信号来选择性地禁用音频指示符。

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