View Issue Details

IDProjectCategoryView StatusLast Update
0018570MMW 5Codecspublic2021-11-24 19:15
Reportermichal Assigned To 
PriorityurgentSeverityminorReproducibilityalways
Status closedResolutionfixed 
Product Version5.0.2 
Target Version5.0.2Fixed in Version5.0.2 
Summary0018570: Audio is distorted for some loud IEEE float WAV files
DescriptionUser sent us WAV files with loud sound in PCM IEEE float format, which are played distorted in MM, but not in other apps. After conversion to other formats (in external application), including standard PCM with 24 bit integer, it plays correctly.
Additional InformationTicket 3175
TagsNo tags attached.
Fixed in build2522

Activities

michal

2021-11-22 18:51

developer   ~0066032

Fixed in build 2522. The files violated IEEE PCM standard, contained samples outside range <-1, 1>, added clipping in such cases.

peke

2021-11-24 19:14

developer   ~0066097

Last edited: 2021-11-24 19:15

Verified 2522

Tested on up to 64Bit floating point precision.

Testing cases https://en.wikipedia.org/wiki/Audio_bit_depth#Quantization and files are saved from fe of these apps https://en.wikipedia.org/wiki/Audio_bit_depth#Applications