具有动态范围控制中有效增益编码之音讯编码器装置及音讯解码器装置;AUDIO ENCODER DEVICE AND AN AUDIO DECODER DEVICE HAVING EFFICIENT GAIN CODING IN DYNAMIC RANGE CONTROL

摘要

本发明提供一种音讯编码器装置，其包含：一音讯编码器，其经组配以用于自包含连续音讯讯框之一音讯信号产生一经编码音讯位元串流；一动态范围控制编码器，其经组配以用于自对应于该音讯信号且包含连续动态范围控制讯框之一动态范围控制序列产生一经编码动态范围控制位元串流，其中该等动态范围控制讯框中之每一动态范围控制讯框包含一或多个节点，其中该一或多个节点中之每一节点包含用于该音讯信号之增益资讯及指示该增益资讯所对应之时间点的时间资讯；其中该动态范围控制编码器经组配成使得对于该等动态范围控制讯框中之每一动态范围控制讯框，该经编码动态范围控制位元串流包含一对应位元串流部分；其中该动态范围控制编码器经组配以用于执行一移位程序，其中将该等动态范围控制讯框中之一个参考动态范围控制讯框的该等节点中之一或多个节点选择为经移位节点，其中将该一个参考动态范围控制讯框之该一或多个经移位节点中之每一者的一位元表示嵌入于对应于该一个参考动态范围控制讯框之后的该动态范围控制讯框之该位元串流部分中，其中将该等动态范围控制讯框中之该一个参考动态范围控制讯框的该等节点中之每一剩余节点的一位元表示嵌入至对应于该一个参考动态范围控制讯框之该位元串流部分中。; a dynamic range control encoder configured for producing an encoded dynamic range control bitstream from an dynamic range control sequence corresponding to the audio signal and comprising consecutive dynamic range control frames, wherein each dynamic range control frame of the dynamic range control frames comprises one or more nodes, wherein each node of the one or more nodes comprises gain information for the audio signal and time information indicating to which point in time the gain information corresponds; wherein the dynamic range control encoder is configured in such way that the encoded dynamic range control bitstream comprises for each dynamic range control frame of the dynamic range control frames a corresponding bitstream portion; wherein the dynamic range control encoder is configured for executing a shift procedure, wherein one or more nodes of the nodes of one reference dynamic range control frame of the dynamic range control frames are selected as shifted nodes, wherein a bit representation of each of the one or more shifted nodes of the one reference dynamic range control frame is embedded in the bitstream portion corresponding to the dynamic range control frame subsequent to the one reference dynamic range control frame, wherein a bit representation of each remaining node of the nodes of the one reference dynamic range control frame of the dynamic range control frames is embedded into the bitstream portion corresponding to the one reference dynamic range control frame.