hash stringlengths 32 32 | doc_id stringlengths 7 13 | section stringlengths 3 121 | content stringlengths 0 2.2M |
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9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.3.5 oa_sample_offset | The oa_sample_offset element indicates the sample_offset value. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.3.6 num_obj_info_blocks | The num_obj_info_blocks element indicates the number of present object_info_block elements for each object. num_obj_info_blocks can be 0 unless the current codec frame is an I-frame. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.3.7 block_offset_factor | The block_offset_factor element is available for each object_info_block and indicates a timing offset in audio samples for each corresponding object_info_block. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.3.8 ramp_duration | The ramp_duration bitstream element indicates the ramp_duration value, which is a helper variable indicating a transition time value in audio samples. The ramp_duration value has a range of [0; 2 047]. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.3.9 ramp_duration_code | The ramp_duration_code element indicates the ramp_duration value. This bitstream element codes the most common ramp_duration values and enables an option for alternative ramp_duration signalling. The possible values for ramp_duration_code are shown in Table 129. Table 129: ramp_duration_code ramp_duration_code Descript... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.3.10 b_use_ramp_table | The b_use_ramp_table flag indicates whether the ramp_duration value is indicated by the ramp_duration_table element or by the ramp_duration element according to Table 130. Table 130: b_use_ramp_table b_use_ramp_table Description 0 ramp_duration in audio samples is indicated by ramp_duration. 1 ramp_duration in audio sa... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.3.11 ramp_duration_table | The ramp_duration_table element indicates the ramp_duration value as shown in Table 131. ETSI ETSI TS 103 190-2 V1.1.1 (2015-09) 158 Table 131: ramp_duration_table ramp_duration_table ramp_duration in audio samples 0 32 1 64 2 128 3 256 4 320 5 480 6 1 000 7 1 001 8 1 024 9 1 600 10 1 601 11 1 602 12 1 920 13 2 000 14 ... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4 oamd_dyndata_single | |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.1 Introduction | The oamd_dyndata_single element contains object properties for objects of a single substream. The order of the objects corresponds to the presence of object essences in the according substream. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.2 b_ducking_disabled | The b_ducking_disabled flag indicates whether the automatic ducking is disabled for the according object. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.3 object_sound_category | The object_sound_category element defines the object sound category according to Table 132. Table 132: object_sound_category object_sound_category Sound category 0 Not Indicated 1 Dialogue other Reserved |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.4 n_alt_data_sets | The n_alt_data_sets element indicates the number of alternative properties sets. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.5 b_keep | The b_keep flag indicates whether the values of the last object property update are still valid. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.6 b_common_data | The b_common_data flag indicates whether the alternative properties set has common parameters for all present objects. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.7 b_alt_gain | The b_alt_gain flag indicates whether the alt_gain element is present in the bitstream. If the alt_gain element is not present, the gain data contained in the object_basic_info element shall be used. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.8 alt_gain | The alt_gain element indicates the alternative gain value, to be used as object_gain, as shown in Table 133. ETSI ETSI TS 103 190-2 V1.1.1 (2015-09) 159 Table 133: alt_gain alt_gain object_gain [dB] 0-62 14 −alt_gain 63 −∞ |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.9 b_alt_position | The b_alt_position flag indicates whether the alternative properties set contains position data. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.10 alt_pos3D_X | The alt_pos3D_X element indicates the X-axis position data in the alternative properties set. The value of the X-axis position is given by: object_position_X = alt_pos3D_X/62 NOTE: Clause 6.3.9.8.4.1 describes room anchored position data. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.11 alt_pos3D_Y | The alt_pos3D_Y element indicates the Y-axis position data in the alternative properties set. The value of the Y-axis position is given by: object_position_Y = alt_pos3D_Y/62 NOTE: Clause 6.3.9.8.4.1 describes room anchored position data. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.12 alt_pos3D_Z_sign | The alt_pos3D_z_sign element indicates the sign of the Z-axis position data in the alternative properties set. If the alt_pos3D_z_sign is set to 1, the sign of coordinate Z is +1, otherwise the sign is -1. NOTE: Clause 6.3.9.8.4.1 describes room anchored position data. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.4.13 alt_pos3D_Z | The alt_pos3D_Z element indicates the Z-axis position data in the alternative properties set. The value of the Z-axis position is given by: object_position_Z = sign × alt_pos3D_Z/15 NOTE: Clause 6.3.9.8.4.1 describes room anchored position data. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.5 oamd_dyndata_multi | The oamd_dyndata_multi element contains object properties for the objects in the corresponding substream group. The order of the objects in oamd_dyndata_multi corresponds to the order of all object essences present over all audio substreams of the according substream group in the order of bitstream presence. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.6 obj_info_block | |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.6.1 Introduction | An obj_info_block contains one update of properties for an object. Two tables of properties may be present in obj_info_block: • Basic Information (present in obj_basic_info); • Rendering Information (present in obj_render_info). NOTE: How to handle the updates in terms of timing is indicated via oamd_timing_data descri... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.6.2 b_object_not_active | The b_object_not_active flag indicates whether the object essence of the corresponding object contains silence. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.6.3 object_basic_info_status | The object_basic_info_status is a helper variable that indicates whether object_basic_info is present, whether default values shall be used, or whether the value from the previous obj_info_block shall be reused. The possible values for object_basic_info_status are shown in Table 134. Table 134: object_basic_info_status... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.6.4 b_basic_info_reuse | The b_basic_info_reuse flag indicates whether properties shall be reused from the obj_basic_info of the previous obj_info_block. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.6.5 object_render_info_status | The object_render_info_status is a helper variable that indicates whether object_render_info is present, or default values shall be used for the according properties, or the values shall be determined from the previous obj_info_block, or if only some fields shall be reused from the previous obj_info_block. The possible... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.6.6 b_render_info_reuse | The b_render_info_reuse flag indicates whether object properties shall be reused from the obj_render_info of the previous obj_info_block. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.6.7 b_render_info_partial_reuse | The b_render_info_partial_reuse flag indicates whether some object properties shall be reused from the obj_render_info of the previous obj_info_block. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.6.8 b_add_table_data | The b_add_table_data flag indicates whether additional reserved data is present. ETSI ETSI TS 103 190-2 V1.1.1 (2015-09) 161 |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.6.9 add_table_data_size_minus1 | The add_table_data_size_minus1 element indicates the size of add_table_data field minus 1. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.6.10 add_table_data | The add_table_data is a field reserved for future extensions of obj_info_block. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.7 obj_basic_info | |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.7.1 Introduction | The obj_basic_info field contains high level information about each object, such as its gain value. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.7.2 b_default_basic_info_md | The b_default_basic_info_md flag indicates whether the object's basic info metadata shall be set to default values: • object_gain defaults to 0 dB • object_priority defaults to 1 NOTE: These default values differ from the default values for object_gain and object_priority defined in Table 134, where object_basic_info_s... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.7.3 basic_info_md | The basic_info_md element is coded using a variable length prefix code as defined in Table 136 and indicates the basic info metadata coding. Table 136: basic_info_md basic_info_md Description 0b0 non-default gain, default priority 0b10 non-default gain, non-default priority 0b11 default gain, non-default priority |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.7.4 object_gain_code | The object_gain_code element is coded using a variable length prefix code as defined in Table 137 and indicates the non-default value for the object gain. Table 137: object_gain_code object_gain_code object_gain [dB] 0b0 specified by object_gain_value 0b10 −∞ 0b11 set to gain of previous object |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.7.5 object_gain_value | The object_gain_value indicates the value for the object gain as shown in Table 138. Table 138: object_gain_value object_gain_value object_gain [dB] 0...14 15 −object_gain_value 15...63 14 −object_gain_value ETSI ETSI TS 103 190-2 V1.1.1 (2015-09) 162 |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.7.6 object_priority_code | The object_priority_code bitstream element indicates the object_priority of an object which is in the range [0, 1]. The higher the object_priority value, the more important that object is. The value of object_priority is given by: object_priority = object_priority_code/31 |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8 obj_render_info | |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.1 Introduction | The obj_render_info contains multiple object properties, i.e. the position properties. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.2 obj_render_info_mask | The obj_render_info_mask is a bitmask, which describes which properties are present in the corresponding object_render_info. Each bit, when set to 1, indicates the presence of properties of a specific group as specified in Table 139. If the bit is set to 0, the properties of the corresponding group are not present and ... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.3 b_diff_pos_coding | The b_diff_pos_coding flag indicates whether the position properties are differential coded by diff_pos3D_X, diff_pos3D_Y and diff_pos3D_Z. The difference is relative to the position transmitted in the previous obj_info_block. Values are coded as signed integers (2's complement). |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.4 Room anchored position | 6.3.9.8.4.1 Introduction The object position consists of x, y and z coordinates which are derived from pos3D_X, pos3D_Y, pos3D_Z_sign and pos3D_Z, or diff_pos3D_X, diff_pos3D_Y and diff_pos3D_Z if the position value is coded differentially. The coordinates are defined in relation to a normalized room. The room consists... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.5 b_grouped_zone_defaults | The b_grouped_zone_defaults flag indicates whether the properties of the zone group shall be set to default values. Otherwise, group_zone_mask and zone_mask are present in the bitstream. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.6 group_zone_mask | The group_zone_mask is a bitmask used for assignment of properties of the zone group as shown in Table 140. Table 140: group_zone_mask group_zone_mask Description 0b001 zone_mask is present 0b010 b_enable_elevation is 0 0b100 b_object_snap is 1 |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.7 zone_mask | Zones are subsets of speakers as specified in clause A.4.The zone_mask is a code that indicates constraints to include or exclude zones for the rendering process. The assignment of zone_mask values to zone constraints is shown in Table 141. Table 141: zone_mask zone_mask Zone Constraints 0 No Constraints 1 Back zone di... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.8 b_enable_elevation | The b_enable_elevation flag is implicitly signalled via group_zone_mask and indicates whether rendering to height (top) speakers is enabled. By default b_enable_elevation should be 1. ETSI ETSI TS 103 190-2 V1.1.1 (2015-09) 165 |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.9 b_object_snap | The b_object_snap flag is implicitly signalled via group_zone_mask and indicates whether the artistic intent is to avoid changing the object timbre by distributing its energy over multiple loudspeakers. By default b_object_snap should be 0. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.10 b_grouped_other_defaults | The b_grouped_other_defaults flag indicates whether properties of the other properties group shall be set to default values. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.11 group_other_mask | The group_other_mask is a bitmask which indicates which properties of the other properties group are present in the bitstream as shown in Table 142. Table 142: group_other_mask group_other_mask Description 0b0001 Object width properties present 0b0010 object_screen_factor and object_depth_factor element present 0b0100 ... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.12 object_width_mode | The object_width_mode element is one bit which indicates the mode of the object spreading according to Table 143. Increasing the object width may increase the number of speakers used to playback a particular object. Table 143: object_width_mode object_width_mode Description 0 1-dimensional object spreading (radial) 1 3... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.13 object_width_code | The object_width_code element indicates the radial object_width. The value is given by: object_width = object_width_code/31 |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.14 object_width_X_code | The object_width_X_code element indicates object_width_X, the X-axis value of the 3D object width. The value is given by: object_width_X = object_width_X_code/31 |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.15 object_width_Y_code | The object_width_Y_code element indicates object_width_Y, the Y-axis value of the 3D object width. The value is given by: object_width_Y = object_width_Y_code/31 |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.16 object_width_Z_code | The object_width_Z_code element indicates object_width_Z, the Z-axis value of the 3D object width. The value is given by: object_width_Z = object_width_Z_code/31 ETSI ETSI TS 103 190-2 V1.1.1 (2015-09) 166 |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.17 object_screen_factor_code | The object_screen_factor_code element indicates the scaling factor object_screen_factor, applied to the X and Z dimensions for objects which pan across the screen. The value is given by: object_screen_factor = object_screen_factor_code + 1 /8 If the object_screen_factor_code element is not present, the object_screen_f... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.18 object_depth_factor | The amount of X- and Z-position scaling varies linearly with the Y-position so that if sounds are panned off-screen they can use the full width and height of the room. The object_depth_factor indicates the rate at which the scaling converges when the object approaches the screen. The value specifies the exponent to be ... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.19 b_obj_at_infinity | The b_obj_at_infinity flag indicates whether the object_distance_factor is infinity. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.20 object_distance_factor_code | The object_distance_factor_code bitstream element indicates the object_distance_factor, which defines how far outside of the room the corresponding object is. The values of object_distance_factor are specified in Table 145. Table 145: object_distance_factor object_distance_factor_code object_distance_factor 0 1,1 1 1,3... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.21 object_div_mode | The object_div_mode element indicates the signalling of the object_divergence according to Table 146. ETSI ETSI TS 103 190-2 V1.1.1 (2015-09) 167 Table 146: object_div_mode object_div_mode Description 0b00 Normal left/right divergence is used with a value given by object_div_table. 0b01 object_divergence value (and typ... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.22 object_div_table | The object_div_table element indicates the object_divergence (div) according to Table 147. An object at position (x,y,z) and div > 0 is equivalent to two virtual objects at positions − , , and + , , with half the energy each. Table 147: object_div_table object_div_table object_divergence 0b00 0,5007... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.9.8.23 object_div_code | The object_div_code indicates the object_divergence (div) according to Table 148. An object at position (x,y,z) and div > 0 is equivalent to two virtual objects at positions − , , and + , , with half the energy each. ETSI ETSI TS 103 190-2 V1.1.1 (2015-09) 168 Table 148: object_div_code object_div_c... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10 Presentation data | |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.1 loud_corr - Loudness correction | |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.1.1 b_obj_loud_corr | This flag indicates whether loudness correction data for objects is present. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.1.2 b_corr_for_immersive_out | This flag indicates whether loudness correction data for immersive output channel configurations is present. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.1.3 b_loro_loud_comp | This flag indicates whether LoRo downmix loudness correction data is present. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.1.4 b_ltrt_loud_comp | This flag indicates whether LtRt downmix loudness correction data is present. ETSI ETSI TS 103 190-2 V1.1.1 (2015-09) 169 |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.1.5 b_loud_comp | This flag indicates whether a loudness correction value follows in the bitstream. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.1.6 loud_corr_OUT_CH_CONF | This field indicates a loudness correction factor for a specific output channel configuration OUT_CH_CONF. OUT_CH_CONF ∈ {5_X, 5_X_2, 5_X_4, 7_X, 7_X_2, 7_X_4, 9_X_4, core_loro, core_ltrt, core_5_X, core_5_X_2}. loud_corr_gain_OUT_CH_CONF = 15 − loud_corr_OUT_CH_CONF /2dB A value of 31 is reserved, and if present i... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.2 custom_dmx_data - Custom downmix data | |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.2.1 bs_ch_config | The helper variable bs_ch_config, calculated as specified within clause 6.2.9.2, indicates the bitstream channel configuration relevant for custom downmix processing according to Table 149. Table 149: bs_ch_config bs_ch_config Description 0 5/4/4 or 4/4/4 1 3/4/4 or 2/4/4 2 3/2/4 or 2/4/4 3 5/4/2 or 4/4/2 4 3/4/2 or 2/... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.2.2 b_cdmx_data_present | This flag indicates whether custom downmix data is present. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.2.3 n_cdmx_configs_minus1 | The n_cdmx_configs_minus1 element indicates the number of custom downmix configurations present in the bitstream minus 1. To get the number of custom downmix configurations, a value of 1 needs to be added to n_cdmx_configs_minus1. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.2.4 out_ch_config[dc] | The out_ch_config element indicates the output channel configuration for the downmix configuration dc according to Table 150. Table 150: out_ch_config out_ch_config Description 0 3/2/0 1 3/2/2 2 3/2/4 3 3/4/0 4 3/4/2 5, 6, 7 unused |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.2.5 b_stereo_dmx_coeff | This flag indicates whether stereo downmix coefficients are present. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.3 Custom downmix parameter | |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.3.1 gain_f1_code | The gain_f1_code element indicates a gain_f1 value according to Table 151. ETSI ETSI TS 103 190-2 V1.1.1 (2015-09) 170 Table 151: gain_f1_code gain_f1_code gain_f1 [dB] 0 3,0 1 1,5 2 0 3 -1,5 4 -3,0 5 -4,5 6 -6,0 7 -∞ |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.3.2 gain_f2_code, gain_b_code, gain_t1_code and gain_t2[abcdef]_code | The gain_f2_code, gain_b_code, gain_t1_code, gain_t2a_code, gain_t2b_code, gain_t2c_code, gain_t2d_code, gain_t2e_code or gain_t2f_code elements indicate a corresponding gain_f2, gain_b, gain_t1, gain_t2a, gain_t2b, gain_t2c, gain_t2d, gain_t2e or gain_t2f value according to Table 152. Table 152: gain_f2_code, gain_b_c... |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.3.3 b_put_screen_to_c | This flag indicates whether the Lscr and Rscr signals are mixed into the centre channel C. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.3.4 b_top_front_to_front | This flag indicates whether the Tfl and Tfr signals are mixed into the front channels L and R. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.3.5 b_top_front_to_side | This flag indicates whether the Tfl and Tfr signals are mixed into the side channels Ls and Rs. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.3.6 b_top_back_to_front | This flag indicates whether the Tbl and Tbr signals are mixed into the front channels L and R. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.3.7 b_top_back_to_side | This flag indicates whether the Tbl and Tbr signals are mixed into the side channels Ls and Rs. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.3.8 b_top_to_front | This flag indicates whether the Tl and Tr signals are mixed into the front channels L and R. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.3.9 b_top_to_side | This flag indicates whether the Tl and Tr signals are mixed into the side channels Ls and Rs. |
9cc71134e4c63574779a8d3d5ef00858 | 103 190-2 | 6.3.10.3.10 Default custom downmix parameter | In case that a custom downmix parameter is not transmitted for a certain out_ch_config, the default value for this custom downmix parameter shall be used as specified in Table 153. ETSI ETSI TS 103 190-2 V1.1.1 (2015-09) 171 Table 153: Default custom downmix parameter Custom downmix parameter Default value b_put_screen... |
79462c15429e4b02e874d57a1faa88a5 | 103 190-1 | 1 Scope | The present document specifies a coded presentation of audio information and specifies the decoding process. The coded presentation specified herein is suitable for use in digital audio transmission and storage applications. The coded presentation may convey full bandwidth audio signals, along with a low-frequency enha... |
79462c15429e4b02e874d57a1faa88a5 | 103 190-1 | 2 References | |
79462c15429e4b02e874d57a1faa88a5 | 103 190-1 | 2.1 Normative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. Referenced documents which a... |
79462c15429e4b02e874d57a1faa88a5 | 103 190-1 | 2.2 Informative references | References are either specific (identified by date of publication and/or edition number or version number) or non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies. NOTE: While any hyperlinks i... |
79462c15429e4b02e874d57a1faa88a5 | 103 190-1 | 3.1 Terms | For the purposes of the present document, the following terms apply: 3rd Generation Partnership Project: collaboration of telecommunications standard development organizations that produces reports and specifications for defining cellular telecommunications network technologies AC-4: audio coding system that enables hi... |
79462c15429e4b02e874d57a1faa88a5 | 103 190-1 | 3.2 Symbols | For the purposes of the present document, the following symbols apply: X* complex conjugate of value X if X is a scalar; and conjugate transpose if X is a vector ⌈x⌉ round x towards plus infinity ⌊x⌋ round x towards minus infinity |
79462c15429e4b02e874d57a1faa88a5 | 103 190-1 | 3.3 Abbreviations | For the purposes of the present document, the following abbreviations apply: 3GPP 3rd Generation Partnership Project A-CPL Advanced Coupling A-SPX Advanced Spectral eXtension ABR Average Bit Rate ASF Audio Spectral Front end CBR Constant Bit Rate CDF Cumulative Distribution Function CRC Cyclic Redundancy Check dBFS dec... |
79462c15429e4b02e874d57a1faa88a5 | 103 190-1 | 3.4 Conventions | Unless otherwise stated, the following convention regarding the notation is used: • Constants are indicated by uppercase italic, e.g. NOISE_FLOOR_OFFSET. • Tables are indicated as TABLE[idx]. • Functions are indicated as func(x). • Variables are indicated by italic, e.g. variable. ETSI ETSI TS 103 190-1 V1.4.1 (2025-07... |
79462c15429e4b02e874d57a1faa88a5 | 103 190-1 | 4 Bitstream syntax | |
79462c15429e4b02e874d57a1faa88a5 | 103 190-1 | 4.1 Semantics of syntax specification | The following pseudocode within syntax boxes describes the order of arrival of information within the bitstream. This pseudocode is roughly based on C language syntax, but simplified for ease of reading. For bitstream elements that are larger than one bit, the order of the bits in the serial bitstream is either most-si... |
79462c15429e4b02e874d57a1faa88a5 | 103 190-1 | 4.2 Syntax specification |
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