Encoder for encoding audio content into an encoded data stream, comprising: an encoding stage configured to encode the audio content in units of audio frames; and a fragment provider configured to provide the audio content to the encoding stage in units of temporal fragments of a fragment grid by providing, for a currently provided temporal fragment, a portion of the audio content to the encoding stage which includes the currently provided temporal fragment, wherein the encoder is configured to encode each temporal fragment into an encoded representation of the respective temporal fragment in units of audio frames, and the fragment provider is configured to provide the audio content to the encoding stage such that the audio frames are aligned to the respective temporal fragment such that for each temporal fragment a beginning of a first audio frame and a beginning of the respective temporal fragment coincide, and wherein the encoded representations of the temporal fragments are comprised by the encoded data stream, and a temporal length of the temporal fragments is a non-integer multiple of a temporal length of the audio frames, wherein the encoder is configured to signal within the encoded data stream a truncation information for identifying a portion of a trailing audio frame of the audio frames in units of which the temporal fragments are encoded, which exceeds a trailing end of the temporal fragments and temporally overlaps with a immediately succeeding temporal fragment of the fragment grid, wherein the truncation information comprises a frame length value indicating the temporal length of the audio frames and a fragment length value indicating the temporal length of the temporal fragments and/or a truncation length value indicating a temporal length of a portion of a trailing audio frame of the audio frames in units of which the temporal fragments are encoded, which exceeds a trailing end of the temporal fragments and temporally overlaps with a immediately succeeding temporal fragment, or the difference between the temporal length of the portion of the trailing audio frame and the temporal length of the trailing audio frame. an encoding stage configured to encode the audio content in units of audio frames; and a fragment provider configured to provide the audio content to the encoding stage in units of temporal fragments of a fragment grid by providing, for a currently provided temporal fragment, a portion of the audio content to the encoding stage which includes the currently provided temporal fragment, wherein the encoder is configured to encode each temporal fragment into an encoded representation of the respective temporal fragment in units of audio frames, and the fragment provider is configured to provide the audio content to the encoding stage such that the audio frames are aligned to the respective temporal fragment such that for each temporal fragment a beginning of a first audio frame and a beginning of the respective temporal fragment coincide, and wherein the encoded representations of the temporal fragments are comprised by the encoded data stream, and a temporal length of the temporal fragments is a non-integer multiple of a temporal length of the audio frames, wherein the encoder is configured to signal within the encoded data stream a truncation information for identifying a portion of a trailing audio frame of the audio frames in units of which the temporal fragments are encoded, which exceeds a trailing end of the temporal fragments and temporally overlaps with a immediately succeeding temporal fragment of the fragment grid, wherein the truncation information comprises a frame length value indicating the temporal length of the audio frames and a fragment length value indicating the temporal length of the temporal fragments and/or a truncation length value indicating a temporal length of a portion of a trailing audio frame of the audio frames in units of which the temporal fragments are encoded, which exceeds a trailing end of the temporal fragments and temporally overlaps with a immediately succeeding temporal fragment, or the difference between the temporal length of the portion of the trailing audio frame and the temporal length of the trailing audio frame.