Shure’s beginner-friendly XLR microphone, the SM4, is a fantastic gateway into the world of home studio musicianship. The 1-inch dual-diaphragm capsule makes every recording sound detailed and ...
SM4 (former name “SMS4”) is a cryptographic standard published by the Office of State Commercial Cryptography Administration (OSCCA) of SCA as an industry cryptographic standard in 2012, and ...
SM3 and SM4 are commercial cryptographic standards issued and regulated by the Chinese Office of State Commercial Cryptography Administration (OSCCA) and targeted for the China market only. Complex ...